author | weijun |
Wed, 06 Dec 2017 21:17:19 +0800 | |
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parent 48910 | 67cdc215ed70 |
child 49904 | cadca99d52e7 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 1996, 2018, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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||
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/* |
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* (C) Copyright Taligent, Inc. 1996, 1997 - All Rights Reserved |
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* (C) Copyright IBM Corp. 1996 - 1998 - All Rights Reserved |
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* |
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* The original version of this source code and documentation |
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* is copyrighted and owned by Taligent, Inc., a wholly-owned |
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* subsidiary of IBM. These materials are provided under terms |
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* of a License Agreement between Taligent and Sun. This technology |
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* is protected by multiple US and International patents. |
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* |
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* This notice and attribution to Taligent may not be removed. |
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* Taligent is a registered trademark of Taligent, Inc. |
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* |
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*/ |
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package java.util; |
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import java.io.IOException; |
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import java.io.ObjectInputStream; |
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import java.io.ObjectOutputStream; |
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import java.io.ObjectStreamField; |
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import java.io.Serializable; |
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import java.text.MessageFormat; |
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import java.util.concurrent.ConcurrentHashMap; |
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import java.util.spi.LocaleNameProvider; |
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import java.util.stream.Collectors; |
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import sun.security.action.GetPropertyAction; |
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import sun.util.locale.BaseLocale; |
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import sun.util.locale.InternalLocaleBuilder; |
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import sun.util.locale.LanguageTag; |
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import sun.util.locale.LocaleExtensions; |
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import sun.util.locale.LocaleMatcher; |
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import sun.util.locale.LocaleObjectCache; |
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import sun.util.locale.LocaleSyntaxException; |
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import sun.util.locale.LocaleUtils; |
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import sun.util.locale.ParseStatus; |
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import sun.util.locale.provider.LocaleProviderAdapter; |
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import sun.util.locale.provider.LocaleResources; |
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import sun.util.locale.provider.LocaleServiceProviderPool; |
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import sun.util.locale.provider.TimeZoneNameUtility; |
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/** |
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* A <code>Locale</code> object represents a specific geographical, political, |
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* or cultural region. An operation that requires a <code>Locale</code> to perform |
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* its task is called <em>locale-sensitive</em> and uses the <code>Locale</code> |
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* to tailor information for the user. For example, displaying a number |
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* is a locale-sensitive operation— the number should be formatted |
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* according to the customs and conventions of the user's native country, |
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* region, or culture. |
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* |
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* <p> The {@code Locale} class implements IETF BCP 47 which is composed of |
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* <a href="http://tools.ietf.org/html/rfc4647">RFC 4647 "Matching of Language |
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* Tags"</a> and <a href="http://tools.ietf.org/html/rfc5646">RFC 5646 "Tags |
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* for Identifying Languages"</a> with support for the LDML (UTS#35, "Unicode |
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* Locale Data Markup Language") BCP 47-compatible extensions for locale data |
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* exchange. |
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* |
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* <p> A <code>Locale</code> object logically consists of the fields |
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* described below. |
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* |
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* <dl> |
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* <dt><a id="def_language"><b>language</b></a></dt> |
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* |
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* <dd>ISO 639 alpha-2 or alpha-3 language code, or registered |
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* language subtags up to 8 alpha letters (for future enhancements). |
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* When a language has both an alpha-2 code and an alpha-3 code, the |
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* alpha-2 code must be used. You can find a full list of valid |
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* language codes in the IANA Language Subtag Registry (search for |
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* "Type: language"). The language field is case insensitive, but |
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* <code>Locale</code> always canonicalizes to lower case.</dd> |
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* |
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* <dd>Well-formed language values have the form |
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* <code>[a-zA-Z]{2,8}</code>. Note that this is not the full |
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* BCP47 language production, since it excludes extlang. They are |
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* not needed since modern three-letter language codes replace |
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* them.</dd> |
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* |
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* <dd>Example: "en" (English), "ja" (Japanese), "kok" (Konkani)</dd> |
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* |
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* <dt><a id="def_script"><b>script</b></a></dt> |
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* |
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* <dd>ISO 15924 alpha-4 script code. You can find a full list of |
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* valid script codes in the IANA Language Subtag Registry (search |
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* for "Type: script"). The script field is case insensitive, but |
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* <code>Locale</code> always canonicalizes to title case (the first |
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* letter is upper case and the rest of the letters are lower |
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* case).</dd> |
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* |
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* <dd>Well-formed script values have the form |
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* <code>[a-zA-Z]{4}</code></dd> |
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* |
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* <dd>Example: "Latn" (Latin), "Cyrl" (Cyrillic)</dd> |
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* |
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* <dt><a id="def_region"><b>country (region)</b></a></dt> |
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* |
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* <dd>ISO 3166 alpha-2 country code or UN M.49 numeric-3 area code. |
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* You can find a full list of valid country and region codes in the |
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* IANA Language Subtag Registry (search for "Type: region"). The |
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* country (region) field is case insensitive, but |
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* <code>Locale</code> always canonicalizes to upper case.</dd> |
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* |
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* <dd>Well-formed country/region values have |
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* the form <code>[a-zA-Z]{2} | [0-9]{3}</code></dd> |
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* |
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* <dd>Example: "US" (United States), "FR" (France), "029" |
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* (Caribbean)</dd> |
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* |
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* <dt><a id="def_variant"><b>variant</b></a></dt> |
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* |
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* <dd>Any arbitrary value used to indicate a variation of a |
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* <code>Locale</code>. Where there are two or more variant values |
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* each indicating its own semantics, these values should be ordered |
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* by importance, with most important first, separated by |
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* underscore('_'). The variant field is case sensitive.</dd> |
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* |
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* <dd>Note: IETF BCP 47 places syntactic restrictions on variant |
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* subtags. Also BCP 47 subtags are strictly used to indicate |
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* additional variations that define a language or its dialects that |
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* are not covered by any combinations of language, script and |
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* region subtags. You can find a full list of valid variant codes |
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* in the IANA Language Subtag Registry (search for "Type: variant"). |
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* |
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* <p>However, the variant field in <code>Locale</code> has |
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* historically been used for any kind of variation, not just |
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* language variations. For example, some supported variants |
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* available in Java SE Runtime Environments indicate alternative |
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* cultural behaviors such as calendar type or number script. In |
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* BCP 47 this kind of information, which does not identify the |
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* language, is supported by extension subtags or private use |
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* subtags.</dd> |
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* |
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* <dd>Well-formed variant values have the form <code>SUBTAG |
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* (('_'|'-') SUBTAG)*</code> where <code>SUBTAG = |
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* [0-9][0-9a-zA-Z]{3} | [0-9a-zA-Z]{5,8}</code>. (Note: BCP 47 only |
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* uses hyphen ('-') as a delimiter, this is more lenient).</dd> |
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* |
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* <dd>Example: "polyton" (Polytonic Greek), "POSIX"</dd> |
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* |
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* <dt><a id="def_extensions"><b>extensions</b></a></dt> |
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* |
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* <dd>A map from single character keys to string values, indicating |
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* extensions apart from language identification. The extensions in |
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* <code>Locale</code> implement the semantics and syntax of BCP 47 |
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* extension subtags and private use subtags. The extensions are |
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* case insensitive, but <code>Locale</code> canonicalizes all |
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* extension keys and values to lower case. Note that extensions |
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* cannot have empty values.</dd> |
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* |
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* <dd>Well-formed keys are single characters from the set |
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* <code>[0-9a-zA-Z]</code>. Well-formed values have the form |
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* <code>SUBTAG ('-' SUBTAG)*</code> where for the key 'x' |
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* <code>SUBTAG = [0-9a-zA-Z]{1,8}</code> and for other keys |
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* <code>SUBTAG = [0-9a-zA-Z]{2,8}</code> (that is, 'x' allows |
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* single-character subtags).</dd> |
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* |
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* <dd>Example: key="u"/value="ca-japanese" (Japanese Calendar), |
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* key="x"/value="java-1-7"</dd> |
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* </dl> |
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* |
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* <b>Note:</b> Although BCP 47 requires field values to be registered |
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* in the IANA Language Subtag Registry, the <code>Locale</code> class |
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* does not provide any validation features. The <code>Builder</code> |
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* only checks if an individual field satisfies the syntactic |
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* requirement (is well-formed), but does not validate the value |
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* itself. See {@link Builder} for details. |
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* |
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* <h3><a id="def_locale_extension">Unicode locale/language extension</a></h3> |
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* |
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* <p>UTS#35, "Unicode Locale Data Markup Language" defines optional |
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* attributes and keywords to override or refine the default behavior |
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* associated with a locale. A keyword is represented by a pair of |
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* key and type. For example, "nu-thai" indicates that Thai local |
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* digits (value:"thai") should be used for formatting numbers |
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* (key:"nu"). |
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* |
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* <p>The keywords are mapped to a BCP 47 extension value using the |
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* extension key 'u' ({@link #UNICODE_LOCALE_EXTENSION}). The above |
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* example, "nu-thai", becomes the extension "u-nu-thai". |
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* |
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* <p>Thus, when a <code>Locale</code> object contains Unicode locale |
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* attributes and keywords, |
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* <code>getExtension(UNICODE_LOCALE_EXTENSION)</code> will return a |
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* String representing this information, for example, "nu-thai". The |
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* <code>Locale</code> class also provides {@link |
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* #getUnicodeLocaleAttributes}, {@link #getUnicodeLocaleKeys}, and |
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* {@link #getUnicodeLocaleType} which allow you to access Unicode |
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* locale attributes and key/type pairs directly. When represented as |
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* a string, the Unicode Locale Extension lists attributes |
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* alphabetically, followed by key/type sequences with keys listed |
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* alphabetically (the order of subtags comprising a key's type is |
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* fixed when the type is defined) |
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* |
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* <p>A well-formed locale key has the form |
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* <code>[0-9a-zA-Z]{2}</code>. A well-formed locale type has the |
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* form <code>"" | [0-9a-zA-Z]{3,8} ('-' [0-9a-zA-Z]{3,8})*</code> (it |
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* can be empty, or a series of subtags 3-8 alphanums in length). A |
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* well-formed locale attribute has the form |
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* <code>[0-9a-zA-Z]{3,8}</code> (it is a single subtag with the same |
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* form as a locale type subtag). |
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* |
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* <p>The Unicode locale extension specifies optional behavior in |
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* locale-sensitive services. Although the LDML specification defines |
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* various keys and values, actual locale-sensitive service |
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* implementations in a Java Runtime Environment might not support any |
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* particular Unicode locale attributes or key/type pairs. |
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* |
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* <h4>Creating a Locale</h4> |
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* |
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* <p>There are several different ways to create a <code>Locale</code> |
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* object. |
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* |
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* <h5>Builder</h5> |
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* |
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* <p>Using {@link Builder} you can construct a <code>Locale</code> object |
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* that conforms to BCP 47 syntax. |
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* |
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* <h5>Constructors</h5> |
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* |
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* <p>The <code>Locale</code> class provides three constructors: |
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* <blockquote> |
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* <pre> |
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* {@link #Locale(String language)} |
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* {@link #Locale(String language, String country)} |
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* {@link #Locale(String language, String country, String variant)} |
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* </pre> |
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* </blockquote> |
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* These constructors allow you to create a <code>Locale</code> object |
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* with language, country and variant, but you cannot specify |
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* script or extensions. |
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* |
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* <h5>Factory Methods</h5> |
2 | 258 |
* |
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* <p>The method {@link #forLanguageTag} creates a <code>Locale</code> |
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* object for a well-formed BCP 47 language tag. |
|
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* |
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* <h5>Locale Constants</h5> |
2 | 263 |
* |
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* <p>The <code>Locale</code> class provides a number of convenient constants |
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* that you can use to create <code>Locale</code> objects for commonly used |
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* locales. For example, the following creates a <code>Locale</code> object |
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* for the United States: |
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* <blockquote> |
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* <pre> |
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* Locale.US |
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* </pre> |
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* </blockquote> |
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* |
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* <h4><a id="LocaleMatching">Locale Matching</a></h4> |
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* |
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* <p>If an application or a system is internationalized and provides localized |
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* resources for multiple locales, it sometimes needs to find one or more |
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* locales (or language tags) which meet each user's specific preferences. Note |
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* that a term "language tag" is used interchangeably with "locale" in this |
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* locale matching documentation. |
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* |
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* <p>In order to do matching a user's preferred locales to a set of language |
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* tags, <a href="http://tools.ietf.org/html/rfc4647">RFC 4647 Matching of |
|
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* Language Tags</a> defines two mechanisms: filtering and lookup. |
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* <em>Filtering</em> is used to get all matching locales, whereas |
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* <em>lookup</em> is to choose the best matching locale. |
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* Matching is done case-insensitively. These matching mechanisms are described |
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* in the following sections. |
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* |
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* <p>A user's preference is called a <em>Language Priority List</em> and is |
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* expressed as a list of language ranges. There are syntactically two types of |
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* language ranges: basic and extended. See |
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* {@link Locale.LanguageRange Locale.LanguageRange} for details. |
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* |
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* <h5>Filtering</h5> |
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* |
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* <p>The filtering operation returns all matching language tags. It is defined |
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* in RFC 4647 as follows: |
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* "In filtering, each language range represents the least specific language |
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* tag (that is, the language tag with fewest number of subtags) that is an |
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* acceptable match. All of the language tags in the matching set of tags will |
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* have an equal or greater number of subtags than the language range. Every |
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* non-wildcard subtag in the language range will appear in every one of the |
|
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* matching language tags." |
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* |
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* <p>There are two types of filtering: filtering for basic language ranges |
|
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* (called "basic filtering") and filtering for extended language ranges |
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* (called "extended filtering"). They may return different results by what |
|
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* kind of language ranges are included in the given Language Priority List. |
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310 |
* {@link Locale.FilteringMode} is a parameter to specify how filtering should |
|
311 |
* be done. |
|
312 |
* |
|
313 |
* <h5>Lookup</h5> |
|
314 |
* |
|
315 |
* <p>The lookup operation returns the best matching language tags. It is |
|
316 |
* defined in RFC 4647 as follows: |
|
317 |
* "By contrast with filtering, each language range represents the most |
|
318 |
* specific tag that is an acceptable match. The first matching tag found, |
|
319 |
* according to the user's priority, is considered the closest match and is the |
|
320 |
* item returned." |
|
321 |
* |
|
322 |
* <p>For example, if a Language Priority List consists of two language ranges, |
|
323 |
* {@code "zh-Hant-TW"} and {@code "en-US"}, in prioritized order, lookup |
|
324 |
* method progressively searches the language tags below in order to find the |
|
325 |
* best matching language tag. |
|
326 |
* <blockquote> |
|
327 |
* <pre> |
|
328 |
* 1. zh-Hant-TW |
|
329 |
* 2. zh-Hant |
|
330 |
* 3. zh |
|
331 |
* 4. en-US |
|
332 |
* 5. en |
|
333 |
* </pre> |
|
334 |
* </blockquote> |
|
335 |
* If there is a language tag which matches completely to a language range |
|
336 |
* above, the language tag is returned. |
|
337 |
* |
|
338 |
* <p>{@code "*"} is the special language range, and it is ignored in lookup. |
|
339 |
* |
|
340 |
* <p>If multiple language tags match as a result of the subtag {@code '*'} |
|
341 |
* included in a language range, the first matching language tag returned by |
|
342 |
* an {@link Iterator} over a {@link Collection} of language tags is treated as |
|
343 |
* the best matching one. |
|
344 |
* |
|
6501 | 345 |
* <h4>Use of Locale</h4> |
346 |
* |
|
347 |
* <p>Once you've created a <code>Locale</code> you can query it for information |
|
348 |
* about itself. Use <code>getCountry</code> to get the country (or region) |
|
349 |
* code and <code>getLanguage</code> to get the language code. |
|
350 |
* You can use <code>getDisplayCountry</code> to get the |
|
2 | 351 |
* name of the country suitable for displaying to the user. Similarly, |
352 |
* you can use <code>getDisplayLanguage</code> to get the name of |
|
353 |
* the language suitable for displaying to the user. Interestingly, |
|
354 |
* the <code>getDisplayXXX</code> methods are themselves locale-sensitive |
|
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* and have two versions: one that uses the default |
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|
356 |
* {@link Locale.Category#DISPLAY DISPLAY} locale and one |
2 | 357 |
* that uses the locale specified as an argument. |
358 |
* |
|
6501 | 359 |
* <p>The Java Platform provides a number of classes that perform locale-sensitive |
2 | 360 |
* operations. For example, the <code>NumberFormat</code> class formats |
6501 | 361 |
* numbers, currency, and percentages in a locale-sensitive manner. Classes |
362 |
* such as <code>NumberFormat</code> have several convenience methods |
|
2 | 363 |
* for creating a default object of that type. For example, the |
364 |
* <code>NumberFormat</code> class provides these three convenience methods |
|
365 |
* for creating a default <code>NumberFormat</code> object: |
|
366 |
* <blockquote> |
|
367 |
* <pre> |
|
6501 | 368 |
* NumberFormat.getInstance() |
369 |
* NumberFormat.getCurrencyInstance() |
|
370 |
* NumberFormat.getPercentInstance() |
|
2 | 371 |
* </pre> |
372 |
* </blockquote> |
|
6501 | 373 |
* Each of these methods has two variants; one with an explicit locale |
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* and one without; the latter uses the default |
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|
375 |
* {@link Locale.Category#FORMAT FORMAT} locale: |
2 | 376 |
* <blockquote> |
377 |
* <pre> |
|
6501 | 378 |
* NumberFormat.getInstance(myLocale) |
379 |
* NumberFormat.getCurrencyInstance(myLocale) |
|
380 |
* NumberFormat.getPercentInstance(myLocale) |
|
2 | 381 |
* </pre> |
382 |
* </blockquote> |
|
383 |
* A <code>Locale</code> is the mechanism for identifying the kind of object |
|
384 |
* (<code>NumberFormat</code>) that you would like to get. The locale is |
|
385 |
* <STRONG>just</STRONG> a mechanism for identifying objects, |
|
386 |
* <STRONG>not</STRONG> a container for the objects themselves. |
|
387 |
* |
|
6501 | 388 |
* <h4>Compatibility</h4> |
389 |
* |
|
390 |
* <p>In order to maintain compatibility with existing usage, Locale's |
|
391 |
* constructors retain their behavior prior to the Java Runtime |
|
392 |
* Environment version 1.7. The same is largely true for the |
|
393 |
* <code>toString</code> method. Thus Locale objects can continue to |
|
394 |
* be used as they were. In particular, clients who parse the output |
|
395 |
* of toString into language, country, and variant fields can continue |
|
396 |
* to do so (although this is strongly discouraged), although the |
|
397 |
* variant field will have additional information in it if script or |
|
398 |
* extensions are present. |
|
399 |
* |
|
400 |
* <p>In addition, BCP 47 imposes syntax restrictions that are not |
|
401 |
* imposed by Locale's constructors. This means that conversions |
|
402 |
* between some Locales and BCP 47 language tags cannot be made without |
|
403 |
* losing information. Thus <code>toLanguageTag</code> cannot |
|
404 |
* represent the state of locales whose language, country, or variant |
|
405 |
* do not conform to BCP 47. |
|
406 |
* |
|
407 |
* <p>Because of these issues, it is recommended that clients migrate |
|
408 |
* away from constructing non-conforming locales and use the |
|
409 |
* <code>forLanguageTag</code> and <code>Locale.Builder</code> APIs instead. |
|
410 |
* Clients desiring a string representation of the complete locale can |
|
411 |
* then always rely on <code>toLanguageTag</code> for this purpose. |
|
412 |
* |
|
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|
413 |
* <h5><a id="special_cases_constructor">Special cases</a></h5> |
6501 | 414 |
* |
415 |
* <p>For compatibility reasons, two |
|
416 |
* non-conforming locales are treated as special cases. These are |
|
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|
417 |
* <b>{@code ja_JP_JP}</b> and <b>{@code th_TH_TH}</b>. These are ill-formed |
6501 | 418 |
* in BCP 47 since the variants are too short. To ease migration to BCP 47, |
419 |
* these are treated specially during construction. These two cases (and only |
|
420 |
* these) cause a constructor to generate an extension, all other values behave |
|
421 |
* exactly as they did prior to Java 7. |
|
422 |
* |
|
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|
423 |
* <p>Java has used {@code ja_JP_JP} to represent Japanese as used in |
6501 | 424 |
* Japan together with the Japanese Imperial calendar. This is now |
425 |
* representable using a Unicode locale extension, by specifying the |
|
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|
426 |
* Unicode locale key {@code ca} (for "calendar") and type |
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|
427 |
* {@code japanese}. When the Locale constructor is called with the |
6501 | 428 |
* arguments "ja", "JP", "JP", the extension "u-ca-japanese" is |
429 |
* automatically added. |
|
430 |
* |
|
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|
431 |
* <p>Java has used {@code th_TH_TH} to represent Thai as used in |
6501 | 432 |
* Thailand together with Thai digits. This is also now representable using |
433 |
* a Unicode locale extension, by specifying the Unicode locale key |
|
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|
434 |
* {@code nu} (for "number") and value {@code thai}. When the Locale |
6501 | 435 |
* constructor is called with the arguments "th", "TH", "TH", the |
436 |
* extension "u-nu-thai" is automatically added. |
|
437 |
* |
|
438 |
* <h5>Serialization</h5> |
|
439 |
* |
|
440 |
* <p>During serialization, writeObject writes all fields to the output |
|
441 |
* stream, including extensions. |
|
442 |
* |
|
443 |
* <p>During deserialization, readResolve adds extensions as described |
|
444 |
* in <a href="#special_cases_constructor">Special Cases</a>, only |
|
445 |
* for the two cases th_TH_TH and ja_JP_JP. |
|
446 |
* |
|
447 |
* <h5>Legacy language codes</h5> |
|
448 |
* |
|
449 |
* <p>Locale's constructor has always converted three language codes to |
|
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|
450 |
* their earlier, obsoleted forms: {@code he} maps to {@code iw}, |
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|
451 |
* {@code yi} maps to {@code ji}, and {@code id} maps to |
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|
452 |
* {@code in}. This continues to be the case, in order to not break |
6501 | 453 |
* backwards compatibility. |
454 |
* |
|
455 |
* <p>The APIs added in 1.7 map between the old and new language codes, |
|
456 |
* maintaining the old codes internal to Locale (so that |
|
457 |
* <code>getLanguage</code> and <code>toString</code> reflect the old |
|
458 |
* code), but using the new codes in the BCP 47 language tag APIs (so |
|
459 |
* that <code>toLanguageTag</code> reflects the new one). This |
|
460 |
* preserves the equivalence between Locales no matter which code or |
|
461 |
* API is used to construct them. Java's default resource bundle |
|
462 |
* lookup mechanism also implements this mapping, so that resources |
|
463 |
* can be named using either convention, see {@link ResourceBundle.Control}. |
|
464 |
* |
|
465 |
* <h5>Three-letter language/country(region) codes</h5> |
|
466 |
* |
|
467 |
* <p>The Locale constructors have always specified that the language |
|
468 |
* and the country param be two characters in length, although in |
|
469 |
* practice they have accepted any length. The specification has now |
|
470 |
* been relaxed to allow language codes of two to eight characters and |
|
471 |
* country (region) codes of two to three characters, and in |
|
472 |
* particular, three-letter language codes and three-digit region |
|
473 |
* codes as specified in the IANA Language Subtag Registry. For |
|
474 |
* compatibility, the implementation still does not impose a length |
|
475 |
* constraint. |
|
476 |
* |
|
477 |
* @see Builder |
|
478 |
* @see ResourceBundle |
|
479 |
* @see java.text.Format |
|
480 |
* @see java.text.NumberFormat |
|
481 |
* @see java.text.Collator |
|
482 |
* @author Mark Davis |
|
483 |
* @since 1.1 |
|
2 | 484 |
*/ |
485 |
public final class Locale implements Cloneable, Serializable { |
|
486 |
||
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|
487 |
private static final Cache LOCALECACHE = new Cache(); |
2 | 488 |
|
489 |
/** Useful constant for language. |
|
490 |
*/ |
|
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|
491 |
public static final Locale ENGLISH = createConstant("en", ""); |
6501 | 492 |
|
493 |
/** Useful constant for language. |
|
494 |
*/ |
|
32649
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|
495 |
public static final Locale FRENCH = createConstant("fr", ""); |
2 | 496 |
|
497 |
/** Useful constant for language. |
|
498 |
*/ |
|
32649
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diff
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|
499 |
public static final Locale GERMAN = createConstant("de", ""); |
2 | 500 |
|
501 |
/** Useful constant for language. |
|
502 |
*/ |
|
32649
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diff
changeset
|
503 |
public static final Locale ITALIAN = createConstant("it", ""); |
2 | 504 |
|
505 |
/** Useful constant for language. |
|
506 |
*/ |
|
32649
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diff
changeset
|
507 |
public static final Locale JAPANESE = createConstant("ja", ""); |
6501 | 508 |
|
509 |
/** Useful constant for language. |
|
510 |
*/ |
|
32649
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diff
changeset
|
511 |
public static final Locale KOREAN = createConstant("ko", ""); |
2 | 512 |
|
513 |
/** Useful constant for language. |
|
514 |
*/ |
|
32649
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diff
changeset
|
515 |
public static final Locale CHINESE = createConstant("zh", ""); |
2 | 516 |
|
6501 | 517 |
/** Useful constant for language. |
2 | 518 |
*/ |
32649
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diff
changeset
|
519 |
public static final Locale SIMPLIFIED_CHINESE = createConstant("zh", "CN"); |
6501 | 520 |
|
521 |
/** Useful constant for language. |
|
522 |
*/ |
|
32649
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diff
changeset
|
523 |
public static final Locale TRADITIONAL_CHINESE = createConstant("zh", "TW"); |
2 | 524 |
|
525 |
/** Useful constant for country. |
|
526 |
*/ |
|
32649
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diff
changeset
|
527 |
public static final Locale FRANCE = createConstant("fr", "FR"); |
6501 | 528 |
|
529 |
/** Useful constant for country. |
|
530 |
*/ |
|
32649
2ee9017c7597
8136583: Core libraries should use blessed modifier order
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diff
changeset
|
531 |
public static final Locale GERMANY = createConstant("de", "DE"); |
2 | 532 |
|
533 |
/** Useful constant for country. |
|
534 |
*/ |
|
32649
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8136583: Core libraries should use blessed modifier order
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diff
changeset
|
535 |
public static final Locale ITALY = createConstant("it", "IT"); |
2 | 536 |
|
537 |
/** Useful constant for country. |
|
538 |
*/ |
|
32649
2ee9017c7597
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martin
parents:
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changeset
|
539 |
public static final Locale JAPAN = createConstant("ja", "JP"); |
2 | 540 |
|
541 |
/** Useful constant for country. |
|
542 |
*/ |
|
32649
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martin
parents:
32108
diff
changeset
|
543 |
public static final Locale KOREA = createConstant("ko", "KR"); |
2 | 544 |
|
545 |
/** Useful constant for country. |
|
546 |
*/ |
|
32649
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martin
parents:
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diff
changeset
|
547 |
public static final Locale CHINA = SIMPLIFIED_CHINESE; |
2 | 548 |
|
549 |
/** Useful constant for country. |
|
550 |
*/ |
|
32649
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martin
parents:
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diff
changeset
|
551 |
public static final Locale PRC = SIMPLIFIED_CHINESE; |
2 | 552 |
|
553 |
/** Useful constant for country. |
|
554 |
*/ |
|
32649
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martin
parents:
32108
diff
changeset
|
555 |
public static final Locale TAIWAN = TRADITIONAL_CHINESE; |
2 | 556 |
|
557 |
/** Useful constant for country. |
|
558 |
*/ |
|
32649
2ee9017c7597
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martin
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diff
changeset
|
559 |
public static final Locale UK = createConstant("en", "GB"); |
2 | 560 |
|
561 |
/** Useful constant for country. |
|
562 |
*/ |
|
32649
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8136583: Core libraries should use blessed modifier order
martin
parents:
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diff
changeset
|
563 |
public static final Locale US = createConstant("en", "US"); |
2 | 564 |
|
565 |
/** Useful constant for country. |
|
566 |
*/ |
|
32649
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martin
parents:
32108
diff
changeset
|
567 |
public static final Locale CANADA = createConstant("en", "CA"); |
2 | 568 |
|
569 |
/** Useful constant for country. |
|
570 |
*/ |
|
32649
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martin
parents:
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diff
changeset
|
571 |
public static final Locale CANADA_FRENCH = createConstant("fr", "CA"); |
2 | 572 |
|
573 |
/** |
|
574 |
* Useful constant for the root locale. The root locale is the locale whose |
|
575 |
* language, country, and variant are empty ("") strings. This is regarded |
|
576 |
* as the base locale of all locales, and is used as the language/country |
|
577 |
* neutral locale for the locale sensitive operations. |
|
578 |
* |
|
579 |
* @since 1.6 |
|
580 |
*/ |
|
32649
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changeset
|
581 |
public static final Locale ROOT = createConstant("", ""); |
6501 | 582 |
|
583 |
/** |
|
584 |
* The key for the private use extension ('x'). |
|
585 |
* |
|
586 |
* @see #getExtension(char) |
|
587 |
* @see Builder#setExtension(char, String) |
|
588 |
* @since 1.7 |
|
589 |
*/ |
|
32649
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changeset
|
590 |
public static final char PRIVATE_USE_EXTENSION = 'x'; |
6501 | 591 |
|
592 |
/** |
|
593 |
* The key for Unicode locale extension ('u'). |
|
594 |
* |
|
595 |
* @see #getExtension(char) |
|
596 |
* @see Builder#setExtension(char, String) |
|
597 |
* @since 1.7 |
|
598 |
*/ |
|
32649
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|
599 |
public static final char UNICODE_LOCALE_EXTENSION = 'u'; |
2 | 600 |
|
601 |
/** serialization ID |
|
602 |
*/ |
|
603 |
static final long serialVersionUID = 9149081749638150636L; |
|
604 |
||
605 |
/** |
|
42438
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8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
rgoel
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diff
changeset
|
606 |
* Enum for specifying the type defined in ISO 3166. This enum is used to |
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
rgoel
parents:
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diff
changeset
|
607 |
* retrieve the two-letter ISO3166-1 alpha-2, three-letter ISO3166-1 |
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
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parents:
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changeset
|
608 |
* alpha-3, four-letter ISO3166-3 country codes. |
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
rgoel
parents:
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diff
changeset
|
609 |
* |
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
rgoel
parents:
41222
diff
changeset
|
610 |
* @see #getISOCountries(Locale.IsoCountryCode) |
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
rgoel
parents:
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diff
changeset
|
611 |
* @since 9 |
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
rgoel
parents:
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diff
changeset
|
612 |
*/ |
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
rgoel
parents:
41222
diff
changeset
|
613 |
public static enum IsoCountryCode { |
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
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|
614 |
/** |
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8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
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diff
changeset
|
615 |
* PART1_ALPHA2 is used to represent the ISO3166-1 alpha-2 two letter |
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
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parents:
41222
diff
changeset
|
616 |
* country codes. |
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
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parents:
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diff
changeset
|
617 |
*/ |
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
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parents:
41222
diff
changeset
|
618 |
PART1_ALPHA2 { |
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
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diff
changeset
|
619 |
@Override |
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
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diff
changeset
|
620 |
Set<String> createCountryCodeSet() { |
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
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diff
changeset
|
621 |
return Set.of(Locale.getISOCountries()); |
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
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diff
changeset
|
622 |
} |
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
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diff
changeset
|
623 |
}, |
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
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parents:
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diff
changeset
|
624 |
|
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
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parents:
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diff
changeset
|
625 |
/** |
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
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diff
changeset
|
626 |
* |
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
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diff
changeset
|
627 |
* PART1_ALPHA3 is used to represent the ISO3166-1 alpha-3 three letter |
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
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parents:
41222
diff
changeset
|
628 |
* country codes. |
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
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parents:
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diff
changeset
|
629 |
*/ |
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
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diff
changeset
|
630 |
PART1_ALPHA3 { |
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
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diff
changeset
|
631 |
@Override |
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
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|
632 |
Set<String> createCountryCodeSet() { |
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
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diff
changeset
|
633 |
return LocaleISOData.computeISO3166_1Alpha3Countries(); |
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
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diff
changeset
|
634 |
} |
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8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
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parents:
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diff
changeset
|
635 |
}, |
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
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parents:
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diff
changeset
|
636 |
|
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
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diff
changeset
|
637 |
/** |
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
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diff
changeset
|
638 |
* PART3 is used to represent the ISO3166-3 four letter country codes. |
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
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parents:
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diff
changeset
|
639 |
*/ |
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8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
rgoel
parents:
41222
diff
changeset
|
640 |
PART3 { |
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
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diff
changeset
|
641 |
@Override |
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
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diff
changeset
|
642 |
Set<String> createCountryCodeSet() { |
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
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diff
changeset
|
643 |
return Set.of(LocaleISOData.ISO3166_3); |
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
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diff
changeset
|
644 |
} |
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
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diff
changeset
|
645 |
}; |
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
rgoel
parents:
41222
diff
changeset
|
646 |
|
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
rgoel
parents:
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diff
changeset
|
647 |
/** |
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
rgoel
parents:
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diff
changeset
|
648 |
* Concrete implementation of this method attempts to compute value |
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
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parents:
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diff
changeset
|
649 |
* for iso3166CodesMap for each IsoCountryCode type key. |
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
rgoel
parents:
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diff
changeset
|
650 |
*/ |
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
rgoel
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|
651 |
abstract Set<String> createCountryCodeSet(); |
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
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diff
changeset
|
652 |
|
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
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parents:
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diff
changeset
|
653 |
/** |
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
rgoel
parents:
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diff
changeset
|
654 |
* Map to hold country codes for each ISO3166 part. |
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
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parents:
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diff
changeset
|
655 |
*/ |
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
rgoel
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diff
changeset
|
656 |
private static Map<IsoCountryCode, Set<String>> iso3166CodesMap = new ConcurrentHashMap<>(); |
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
rgoel
parents:
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diff
changeset
|
657 |
|
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
rgoel
parents:
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diff
changeset
|
658 |
/** |
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
rgoel
parents:
41222
diff
changeset
|
659 |
* This method is called from Locale class to retrieve country code set |
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
rgoel
parents:
41222
diff
changeset
|
660 |
* for getISOCountries(type) |
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
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parents:
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diff
changeset
|
661 |
*/ |
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
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parents:
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diff
changeset
|
662 |
static Set<String> retrieveISOCountryCodes(IsoCountryCode type) { |
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
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parents:
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changeset
|
663 |
return iso3166CodesMap.computeIfAbsent(type, IsoCountryCode::createCountryCodeSet); |
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
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parents:
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diff
changeset
|
664 |
} |
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
rgoel
parents:
41222
diff
changeset
|
665 |
} |
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
rgoel
parents:
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diff
changeset
|
666 |
|
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
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parents:
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changeset
|
667 |
/** |
2 | 668 |
* Display types for retrieving localized names from the name providers. |
669 |
*/ |
|
48251
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
670 |
private static final int DISPLAY_LANGUAGE = 0; |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
671 |
private static final int DISPLAY_COUNTRY = 1; |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
672 |
private static final int DISPLAY_VARIANT = 2; |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
673 |
private static final int DISPLAY_SCRIPT = 3; |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
674 |
private static final int DISPLAY_UEXT_KEY = 4; |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
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parents:
47471
diff
changeset
|
675 |
private static final int DISPLAY_UEXT_TYPE = 5; |
6501 | 676 |
|
677 |
/** |
|
678 |
* Private constructor used by getInstance method |
|
679 |
*/ |
|
680 |
private Locale(BaseLocale baseLocale, LocaleExtensions extensions) { |
|
9224 | 681 |
this.baseLocale = baseLocale; |
682 |
this.localeExtensions = extensions; |
|
6501 | 683 |
} |
2 | 684 |
|
685 |
/** |
|
6501 | 686 |
* Construct a locale from language, country and variant. |
687 |
* This constructor normalizes the language value to lowercase and |
|
688 |
* the country value to uppercase. |
|
689 |
* <p> |
|
690 |
* <b>Note:</b> |
|
691 |
* <ul> |
|
692 |
* <li>ISO 639 is not a stable standard; some of the language codes it defines |
|
693 |
* (specifically "iw", "ji", and "in") have changed. This constructor accepts both the |
|
694 |
* old codes ("iw", "ji", and "in") and the new codes ("he", "yi", and "id"), but all other |
|
2 | 695 |
* API on Locale will return only the OLD codes. |
6501 | 696 |
* <li>For backward compatibility reasons, this constructor does not make |
697 |
* any syntactic checks on the input. |
|
698 |
* <li>The two cases ("ja", "JP", "JP") and ("th", "TH", "TH") are handled specially, |
|
699 |
* see <a href="#special_cases_constructor">Special Cases</a> for more information. |
|
700 |
* </ul> |
|
701 |
* |
|
702 |
* @param language An ISO 639 alpha-2 or alpha-3 language code, or a language subtag |
|
703 |
* up to 8 characters in length. See the <code>Locale</code> class description about |
|
704 |
* valid language values. |
|
705 |
* @param country An ISO 3166 alpha-2 country code or a UN M.49 numeric-3 area code. |
|
706 |
* See the <code>Locale</code> class description about valid country values. |
|
707 |
* @param variant Any arbitrary value used to indicate a variation of a <code>Locale</code>. |
|
708 |
* See the <code>Locale</code> class description for the details. |
|
2 | 709 |
* @exception NullPointerException thrown if any argument is null. |
710 |
*/ |
|
711 |
public Locale(String language, String country, String variant) { |
|
6655
b4130d85e450
6986612: pit jdk7 b112: java.util.Locale getDisplayVariant() sqe test getDisplayVariantTests.java fails
naoto
parents:
6501
diff
changeset
|
712 |
if (language== null || country == null || variant == null) { |
b4130d85e450
6986612: pit jdk7 b112: java.util.Locale getDisplayVariant() sqe test getDisplayVariantTests.java fails
naoto
parents:
6501
diff
changeset
|
713 |
throw new NullPointerException(); |
b4130d85e450
6986612: pit jdk7 b112: java.util.Locale getDisplayVariant() sqe test getDisplayVariantTests.java fails
naoto
parents:
6501
diff
changeset
|
714 |
} |
9224 | 715 |
baseLocale = BaseLocale.getInstance(convertOldISOCodes(language), "", country, variant); |
716 |
localeExtensions = getCompatibilityExtensions(language, "", country, variant); |
|
2 | 717 |
} |
718 |
||
719 |
/** |
|
6501 | 720 |
* Construct a locale from language and country. |
721 |
* This constructor normalizes the language value to lowercase and |
|
722 |
* the country value to uppercase. |
|
723 |
* <p> |
|
724 |
* <b>Note:</b> |
|
725 |
* <ul> |
|
726 |
* <li>ISO 639 is not a stable standard; some of the language codes it defines |
|
727 |
* (specifically "iw", "ji", and "in") have changed. This constructor accepts both the |
|
728 |
* old codes ("iw", "ji", and "in") and the new codes ("he", "yi", and "id"), but all other |
|
2 | 729 |
* API on Locale will return only the OLD codes. |
6501 | 730 |
* <li>For backward compatibility reasons, this constructor does not make |
731 |
* any syntactic checks on the input. |
|
732 |
* </ul> |
|
733 |
* |
|
734 |
* @param language An ISO 639 alpha-2 or alpha-3 language code, or a language subtag |
|
735 |
* up to 8 characters in length. See the <code>Locale</code> class description about |
|
736 |
* valid language values. |
|
737 |
* @param country An ISO 3166 alpha-2 country code or a UN M.49 numeric-3 area code. |
|
738 |
* See the <code>Locale</code> class description about valid country values. |
|
2 | 739 |
* @exception NullPointerException thrown if either argument is null. |
740 |
*/ |
|
741 |
public Locale(String language, String country) { |
|
742 |
this(language, country, ""); |
|
743 |
} |
|
744 |
||
745 |
/** |
|
746 |
* Construct a locale from a language code. |
|
6501 | 747 |
* This constructor normalizes the language value to lowercase. |
748 |
* <p> |
|
749 |
* <b>Note:</b> |
|
750 |
* <ul> |
|
751 |
* <li>ISO 639 is not a stable standard; some of the language codes it defines |
|
752 |
* (specifically "iw", "ji", and "in") have changed. This constructor accepts both the |
|
753 |
* old codes ("iw", "ji", and "in") and the new codes ("he", "yi", and "id"), but all other |
|
2 | 754 |
* API on Locale will return only the OLD codes. |
6501 | 755 |
* <li>For backward compatibility reasons, this constructor does not make |
756 |
* any syntactic checks on the input. |
|
757 |
* </ul> |
|
758 |
* |
|
759 |
* @param language An ISO 639 alpha-2 or alpha-3 language code, or a language subtag |
|
760 |
* up to 8 characters in length. See the <code>Locale</code> class description about |
|
761 |
* valid language values. |
|
2 | 762 |
* @exception NullPointerException thrown if argument is null. |
763 |
* @since 1.4 |
|
764 |
*/ |
|
765 |
public Locale(String language) { |
|
766 |
this(language, "", ""); |
|
767 |
} |
|
768 |
||
769 |
/** |
|
9224 | 770 |
* This method must be called only for creating the Locale.* |
771 |
* constants due to making shortcuts. |
|
772 |
*/ |
|
773 |
private static Locale createConstant(String lang, String country) { |
|
774 |
BaseLocale base = BaseLocale.createInstance(lang, country); |
|
775 |
return getInstance(base, null); |
|
776 |
} |
|
777 |
||
778 |
/** |
|
2 | 779 |
* Returns a <code>Locale</code> constructed from the given |
780 |
* <code>language</code>, <code>country</code> and |
|
781 |
* <code>variant</code>. If the same <code>Locale</code> instance |
|
782 |
* is available in the cache, then that instance is |
|
783 |
* returned. Otherwise, a new <code>Locale</code> instance is |
|
784 |
* created and cached. |
|
785 |
* |
|
6501 | 786 |
* @param language lowercase 2 to 8 language code. |
30655 | 787 |
* @param country uppercase two-letter ISO-3166 code and numeric-3 UN M.49 area code. |
2 | 788 |
* @param variant vendor and browser specific code. See class description. |
789 |
* @return the <code>Locale</code> instance requested |
|
790 |
* @exception NullPointerException if any argument is null. |
|
791 |
*/ |
|
792 |
static Locale getInstance(String language, String country, String variant) { |
|
9224 | 793 |
return getInstance(language, "", country, variant, null); |
6501 | 794 |
} |
795 |
||
796 |
static Locale getInstance(String language, String script, String country, |
|
797 |
String variant, LocaleExtensions extensions) { |
|
798 |
if (language== null || script == null || country == null || variant == null) { |
|
2 | 799 |
throw new NullPointerException(); |
800 |
} |
|
801 |
||
6501 | 802 |
if (extensions == null) { |
803 |
extensions = getCompatibilityExtensions(language, script, country, variant); |
|
804 |
} |
|
805 |
||
806 |
BaseLocale baseloc = BaseLocale.getInstance(language, script, country, variant); |
|
807 |
return getInstance(baseloc, extensions); |
|
808 |
} |
|
809 |
||
810 |
static Locale getInstance(BaseLocale baseloc, LocaleExtensions extensions) { |
|
48763 | 811 |
if (extensions == null) { |
812 |
return LOCALECACHE.get(baseloc); |
|
813 |
} else { |
|
814 |
LocaleKey key = new LocaleKey(baseloc, extensions); |
|
815 |
return LOCALECACHE.get(key); |
|
816 |
} |
|
6501 | 817 |
} |
818 |
||
48763 | 819 |
private static class Cache extends LocaleObjectCache<Object, Locale> { |
9224 | 820 |
private Cache() { |
6501 | 821 |
} |
9224 | 822 |
|
823 |
@Override |
|
48763 | 824 |
protected Locale createObject(Object key) { |
825 |
if (key instanceof BaseLocale) { |
|
826 |
return new Locale((BaseLocale)key, null); |
|
827 |
} else { |
|
828 |
LocaleKey lk = (LocaleKey)key; |
|
829 |
return new Locale(lk.base, lk.exts); |
|
830 |
} |
|
6501 | 831 |
} |
832 |
} |
|
833 |
||
9224 | 834 |
private static final class LocaleKey { |
835 |
private final BaseLocale base; |
|
836 |
private final LocaleExtensions exts; |
|
837 |
private final int hash; |
|
6501 | 838 |
|
839 |
private LocaleKey(BaseLocale baseLocale, LocaleExtensions extensions) { |
|
9224 | 840 |
base = baseLocale; |
841 |
exts = extensions; |
|
842 |
||
843 |
// Calculate the hash value here because it's always used. |
|
844 |
int h = base.hashCode(); |
|
845 |
if (exts != null) { |
|
846 |
h ^= exts.hashCode(); |
|
847 |
} |
|
848 |
hash = h; |
|
6501 | 849 |
} |
850 |
||
9224 | 851 |
@Override |
6501 | 852 |
public boolean equals(Object obj) { |
853 |
if (this == obj) { |
|
854 |
return true; |
|
2 | 855 |
} |
6501 | 856 |
if (!(obj instanceof LocaleKey)) { |
857 |
return false; |
|
858 |
} |
|
859 |
LocaleKey other = (LocaleKey)obj; |
|
9224 | 860 |
if (hash != other.hash || !base.equals(other.base)) { |
861 |
return false; |
|
862 |
} |
|
863 |
if (exts == null) { |
|
864 |
return other.exts == null; |
|
865 |
} |
|
866 |
return exts.equals(other.exts); |
|
2 | 867 |
} |
6501 | 868 |
|
9224 | 869 |
@Override |
6501 | 870 |
public int hashCode() { |
9224 | 871 |
return hash; |
6501 | 872 |
} |
2 | 873 |
} |
874 |
||
875 |
/** |
|
876 |
* Gets the current value of the default locale for this instance |
|
877 |
* of the Java Virtual Machine. |
|
878 |
* <p> |
|
879 |
* The Java Virtual Machine sets the default locale during startup |
|
880 |
* based on the host environment. It is used by many locale-sensitive |
|
881 |
* methods if no locale is explicitly specified. |
|
882 |
* It can be changed using the |
|
883 |
* {@link #setDefault(java.util.Locale) setDefault} method. |
|
884 |
* |
|
885 |
* @return the default locale for this instance of the Java Virtual Machine |
|
886 |
*/ |
|
887 |
public static Locale getDefault() { |
|
888 |
// do not synchronize this method - see 4071298 |
|
6489
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naoto
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5506
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|
889 |
return defaultLocale; |
9e7015635425
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5506
diff
changeset
|
890 |
} |
9e7015635425
4700857: RFE: separating user locale and user interface locale
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parents:
5506
diff
changeset
|
891 |
|
9e7015635425
4700857: RFE: separating user locale and user interface locale
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5506
diff
changeset
|
892 |
/** |
9e7015635425
4700857: RFE: separating user locale and user interface locale
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parents:
5506
diff
changeset
|
893 |
* Gets the current value of the default locale for the specified Category |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
894 |
* for this instance of the Java Virtual Machine. |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
895 |
* <p> |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
896 |
* The Java Virtual Machine sets the default locale during startup based |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
897 |
* on the host environment. It is used by many locale-sensitive methods |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
898 |
* if no locale is explicitly specified. It can be changed using the |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
899 |
* setDefault(Locale.Category, Locale) method. |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
900 |
* |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
901 |
* @param category - the specified category to get the default locale |
32769
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8133651: replace some <tt> tags (obsolete in html5) in core-libs docs
avstepan
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|
902 |
* @throws NullPointerException if category is null |
6489
9e7015635425
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naoto
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diff
changeset
|
903 |
* @return the default locale for the specified Category for this instance |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
904 |
* of the Java Virtual Machine |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
905 |
* @see #setDefault(Locale.Category, Locale) |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
906 |
* @since 1.7 |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
907 |
*/ |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
908 |
public static Locale getDefault(Locale.Category category) { |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
909 |
// do not synchronize this method - see 4071298 |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
910 |
switch (category) { |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
911 |
case DISPLAY: |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
912 |
if (defaultDisplayLocale == null) { |
11282 | 913 |
synchronized(Locale.class) { |
914 |
if (defaultDisplayLocale == null) { |
|
915 |
defaultDisplayLocale = initDefault(category); |
|
916 |
} |
|
917 |
} |
|
6489
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
918 |
} |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
919 |
return defaultDisplayLocale; |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
920 |
case FORMAT: |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
921 |
if (defaultFormatLocale == null) { |
11282 | 922 |
synchronized(Locale.class) { |
923 |
if (defaultFormatLocale == null) { |
|
924 |
defaultFormatLocale = initDefault(category); |
|
925 |
} |
|
926 |
} |
|
6489
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
927 |
} |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
928 |
return defaultFormatLocale; |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
929 |
default: |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
930 |
assert false: "Unknown Category"; |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
931 |
} |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
932 |
return getDefault(); |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
933 |
} |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
934 |
|
11282 | 935 |
private static Locale initDefault() { |
7017 | 936 |
String language, region, script, country, variant; |
37781
71ed5645f17c
8155775: Re-examine naming of privileged methods to access System properties
redestad
parents:
37593
diff
changeset
|
937 |
Properties props = GetPropertyAction.privilegedGetProperties(); |
37593
824750ada3d6
8154231: Simplify access to System properties from JDK code
redestad
parents:
34963
diff
changeset
|
938 |
language = props.getProperty("user.language", "en"); |
6489
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
939 |
// for compatibility, check for old user.region property |
37593
824750ada3d6
8154231: Simplify access to System properties from JDK code
redestad
parents:
34963
diff
changeset
|
940 |
region = props.getProperty("user.region"); |
6489
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
941 |
if (region != null) { |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
942 |
// region can be of form country, country_variant, or _variant |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
943 |
int i = region.indexOf('_'); |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
944 |
if (i >= 0) { |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
945 |
country = region.substring(0, i); |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
946 |
variant = region.substring(i + 1); |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
947 |
} else { |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
948 |
country = region; |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
949 |
variant = ""; |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
950 |
} |
7017 | 951 |
script = ""; |
6489
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
952 |
} else { |
37593
824750ada3d6
8154231: Simplify access to System properties from JDK code
redestad
parents:
34963
diff
changeset
|
953 |
script = props.getProperty("user.script", ""); |
824750ada3d6
8154231: Simplify access to System properties from JDK code
redestad
parents:
34963
diff
changeset
|
954 |
country = props.getProperty("user.country", ""); |
824750ada3d6
8154231: Simplify access to System properties from JDK code
redestad
parents:
34963
diff
changeset
|
955 |
variant = props.getProperty("user.variant", ""); |
6489
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
956 |
} |
11282 | 957 |
|
48251
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
958 |
return getInstance(language, script, country, variant, |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
959 |
getDefaultExtensions(props.getProperty("user.extensions", "")) |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
960 |
.orElse(null)); |
6489
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
961 |
} |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
962 |
|
11282 | 963 |
private static Locale initDefault(Locale.Category category) { |
37781
71ed5645f17c
8155775: Re-examine naming of privileged methods to access System properties
redestad
parents:
37593
diff
changeset
|
964 |
Properties props = GetPropertyAction.privilegedGetProperties(); |
48251
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
965 |
|
11282 | 966 |
return getInstance( |
37593
824750ada3d6
8154231: Simplify access to System properties from JDK code
redestad
parents:
34963
diff
changeset
|
967 |
props.getProperty(category.languageKey, |
824750ada3d6
8154231: Simplify access to System properties from JDK code
redestad
parents:
34963
diff
changeset
|
968 |
defaultLocale.getLanguage()), |
824750ada3d6
8154231: Simplify access to System properties from JDK code
redestad
parents:
34963
diff
changeset
|
969 |
props.getProperty(category.scriptKey, |
824750ada3d6
8154231: Simplify access to System properties from JDK code
redestad
parents:
34963
diff
changeset
|
970 |
defaultLocale.getScript()), |
824750ada3d6
8154231: Simplify access to System properties from JDK code
redestad
parents:
34963
diff
changeset
|
971 |
props.getProperty(category.countryKey, |
824750ada3d6
8154231: Simplify access to System properties from JDK code
redestad
parents:
34963
diff
changeset
|
972 |
defaultLocale.getCountry()), |
824750ada3d6
8154231: Simplify access to System properties from JDK code
redestad
parents:
34963
diff
changeset
|
973 |
props.getProperty(category.variantKey, |
824750ada3d6
8154231: Simplify access to System properties from JDK code
redestad
parents:
34963
diff
changeset
|
974 |
defaultLocale.getVariant()), |
48251
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
975 |
getDefaultExtensions(props.getProperty(category.extensionsKey, "")) |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
976 |
.orElse(defaultLocale.getLocaleExtensions())); |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
977 |
} |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
978 |
|
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
979 |
private static Optional<LocaleExtensions> getDefaultExtensions(String extensionsProp) { |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
980 |
LocaleExtensions exts = null; |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
981 |
|
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
982 |
try { |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
983 |
exts = new InternalLocaleBuilder() |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
984 |
.setExtensions(extensionsProp) |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
985 |
.getLocaleExtensions(); |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
986 |
} catch (LocaleSyntaxException e) { |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
987 |
// just ignore this incorrect property |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
988 |
} |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
989 |
|
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
990 |
return Optional.ofNullable(exts); |
2 | 991 |
} |
992 |
||
993 |
/** |
|
994 |
* Sets the default locale for this instance of the Java Virtual Machine. |
|
995 |
* This does not affect the host locale. |
|
996 |
* <p> |
|
997 |
* If there is a security manager, its <code>checkPermission</code> |
|
998 |
* method is called with a <code>PropertyPermission("user.language", "write")</code> |
|
999 |
* permission before the default locale is changed. |
|
1000 |
* <p> |
|
1001 |
* The Java Virtual Machine sets the default locale during startup |
|
1002 |
* based on the host environment. It is used by many locale-sensitive |
|
1003 |
* methods if no locale is explicitly specified. |
|
1004 |
* <p> |
|
1005 |
* Since changing the default locale may affect many different areas |
|
1006 |
* of functionality, this method should only be used if the caller |
|
1007 |
* is prepared to reinitialize locale-sensitive code running |
|
1008 |
* within the same Java Virtual Machine. |
|
6489
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
1009 |
* <p> |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
1010 |
* By setting the default locale with this method, all of the default |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
1011 |
* locales for each Category are also set to the specified default locale. |
2 | 1012 |
* |
1013 |
* @throws SecurityException |
|
1014 |
* if a security manager exists and its |
|
1015 |
* <code>checkPermission</code> method doesn't allow the operation. |
|
1016 |
* @throws NullPointerException if <code>newLocale</code> is null |
|
1017 |
* @param newLocale the new default locale |
|
1018 |
* @see SecurityManager#checkPermission |
|
1019 |
* @see java.util.PropertyPermission |
|
1020 |
*/ |
|
1021 |
public static synchronized void setDefault(Locale newLocale) { |
|
6489
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
1022 |
setDefault(Category.DISPLAY, newLocale); |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
1023 |
setDefault(Category.FORMAT, newLocale); |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
1024 |
defaultLocale = newLocale; |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
1025 |
} |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
1026 |
|
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
1027 |
/** |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
1028 |
* Sets the default locale for the specified Category for this instance |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
1029 |
* of the Java Virtual Machine. This does not affect the host locale. |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
1030 |
* <p> |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
1031 |
* If there is a security manager, its checkPermission method is called |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
1032 |
* with a PropertyPermission("user.language", "write") permission before |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
1033 |
* the default locale is changed. |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
1034 |
* <p> |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
1035 |
* The Java Virtual Machine sets the default locale during startup based |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
1036 |
* on the host environment. It is used by many locale-sensitive methods |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
1037 |
* if no locale is explicitly specified. |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
1038 |
* <p> |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
1039 |
* Since changing the default locale may affect many different areas of |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
1040 |
* functionality, this method should only be used if the caller is |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
1041 |
* prepared to reinitialize locale-sensitive code running within the |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
1042 |
* same Java Virtual Machine. |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
1043 |
* |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
1044 |
* @param category - the specified category to set the default locale |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
1045 |
* @param newLocale - the new default locale |
32769
c9520bbd6754
8133651: replace some <tt> tags (obsolete in html5) in core-libs docs
avstepan
parents:
32649
diff
changeset
|
1046 |
* @throws SecurityException if a security manager exists and its |
6489
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
1047 |
* checkPermission method doesn't allow the operation. |
32769
c9520bbd6754
8133651: replace some <tt> tags (obsolete in html5) in core-libs docs
avstepan
parents:
32649
diff
changeset
|
1048 |
* @throws NullPointerException if category and/or newLocale is null |
7508 | 1049 |
* @see SecurityManager#checkPermission(java.security.Permission) |
6489
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
1050 |
* @see PropertyPermission |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
1051 |
* @see #getDefault(Locale.Category) |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
1052 |
* @since 1.7 |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
1053 |
*/ |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
1054 |
public static synchronized void setDefault(Locale.Category category, |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
1055 |
Locale newLocale) { |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
1056 |
if (category == null) |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
1057 |
throw new NullPointerException("Category cannot be NULL"); |
2 | 1058 |
if (newLocale == null) |
1059 |
throw new NullPointerException("Can't set default locale to NULL"); |
|
1060 |
||
1061 |
SecurityManager sm = System.getSecurityManager(); |
|
1062 |
if (sm != null) sm.checkPermission(new PropertyPermission |
|
1063 |
("user.language", "write")); |
|
6489
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
1064 |
switch (category) { |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
1065 |
case DISPLAY: |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
1066 |
defaultDisplayLocale = newLocale; |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
1067 |
break; |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
1068 |
case FORMAT: |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
1069 |
defaultFormatLocale = newLocale; |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
1070 |
break; |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
1071 |
default: |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
1072 |
assert false: "Unknown Category"; |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
1073 |
} |
2 | 1074 |
} |
1075 |
||
1076 |
/** |
|
1077 |
* Returns an array of all installed locales. |
|
1078 |
* The returned array represents the union of locales supported |
|
1079 |
* by the Java runtime environment and by installed |
|
1080 |
* {@link java.util.spi.LocaleServiceProvider LocaleServiceProvider} |
|
1081 |
* implementations. It must contain at least a <code>Locale</code> |
|
1082 |
* instance equal to {@link java.util.Locale#US Locale.US}. |
|
1083 |
* |
|
1084 |
* @return An array of installed locales. |
|
1085 |
*/ |
|
1086 |
public static Locale[] getAvailableLocales() { |
|
1087 |
return LocaleServiceProviderPool.getAllAvailableLocales(); |
|
1088 |
} |
|
1089 |
||
1090 |
/** |
|
1091 |
* Returns a list of all 2-letter country codes defined in ISO 3166. |
|
1092 |
* Can be used to create Locales. |
|
42438
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
rgoel
parents:
41222
diff
changeset
|
1093 |
* This method is equivalent to {@link #getISOCountries(Locale.IsoCountryCode type)} |
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
rgoel
parents:
41222
diff
changeset
|
1094 |
* with {@code type} {@link IsoCountryCode#PART1_ALPHA2}. |
6501 | 1095 |
* <p> |
1096 |
* <b>Note:</b> The <code>Locale</code> class also supports other codes for |
|
1097 |
* country (region), such as 3-letter numeric UN M.49 area codes. |
|
1098 |
* Therefore, the list returned by this method does not contain ALL valid |
|
1099 |
* codes that can be used to create Locales. |
|
42438
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
rgoel
parents:
41222
diff
changeset
|
1100 |
* <p> |
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
rgoel
parents:
41222
diff
changeset
|
1101 |
* Note that this method does not return obsolete 2-letter country codes. |
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
rgoel
parents:
41222
diff
changeset
|
1102 |
* ISO3166-3 codes which designate country codes for those obsolete codes, |
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
rgoel
parents:
41222
diff
changeset
|
1103 |
* can be retrieved from {@link #getISOCountries(Locale.IsoCountryCode type)} with |
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
rgoel
parents:
41222
diff
changeset
|
1104 |
* {@code type} {@link IsoCountryCode#PART3}. |
18829
ec84f0c313b0
8020409: Clean up doclint problems in java.util package, part 1
bpb
parents:
16010
diff
changeset
|
1105 |
* @return An array of ISO 3166 two-letter country codes. |
2 | 1106 |
*/ |
1107 |
public static String[] getISOCountries() { |
|
1108 |
if (isoCountries == null) { |
|
1109 |
isoCountries = getISO2Table(LocaleISOData.isoCountryTable); |
|
1110 |
} |
|
1111 |
String[] result = new String[isoCountries.length]; |
|
1112 |
System.arraycopy(isoCountries, 0, result, 0, isoCountries.length); |
|
1113 |
return result; |
|
1114 |
} |
|
1115 |
||
1116 |
/** |
|
42438
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
rgoel
parents:
41222
diff
changeset
|
1117 |
* Returns a {@code Set} of ISO3166 country codes for the specified type. |
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
rgoel
parents:
41222
diff
changeset
|
1118 |
* |
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
rgoel
parents:
41222
diff
changeset
|
1119 |
* @param type {@link Locale.IsoCountryCode} specified ISO code type. |
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
rgoel
parents:
41222
diff
changeset
|
1120 |
* @see java.util.Locale.IsoCountryCode |
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
rgoel
parents:
41222
diff
changeset
|
1121 |
* @throws NullPointerException if type is null |
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
rgoel
parents:
41222
diff
changeset
|
1122 |
* @return a {@code Set} of ISO country codes for the specified type. |
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
rgoel
parents:
41222
diff
changeset
|
1123 |
* @since 9 |
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
rgoel
parents:
41222
diff
changeset
|
1124 |
*/ |
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
rgoel
parents:
41222
diff
changeset
|
1125 |
public static Set<String> getISOCountries(IsoCountryCode type) { |
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
rgoel
parents:
41222
diff
changeset
|
1126 |
Objects.requireNonNull(type); |
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
rgoel
parents:
41222
diff
changeset
|
1127 |
return IsoCountryCode.retrieveISOCountryCodes(type); |
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
rgoel
parents:
41222
diff
changeset
|
1128 |
} |
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
rgoel
parents:
41222
diff
changeset
|
1129 |
|
34eaac353f05
8071929: Locale.getISOCountries() has inconsistent behaviour for "AN", "BU" and "CS" country codes.
rgoel
parents:
41222
diff
changeset
|
1130 |
/** |
2 | 1131 |
* Returns a list of all 2-letter language codes defined in ISO 639. |
1132 |
* Can be used to create Locales. |
|
6501 | 1133 |
* <p> |
1134 |
* <b>Note:</b> |
|
1135 |
* <ul> |
|
1136 |
* <li>ISO 639 is not a stable standard— some languages' codes have changed. |
|
2 | 1137 |
* The list this function returns includes both the new and the old codes for the |
6501 | 1138 |
* languages whose codes have changed. |
1139 |
* <li>The <code>Locale</code> class also supports language codes up to |
|
1140 |
* 8 characters in length. Therefore, the list returned by this method does |
|
1141 |
* not contain ALL valid codes that can be used to create Locales. |
|
1142 |
* </ul> |
|
18829
ec84f0c313b0
8020409: Clean up doclint problems in java.util package, part 1
bpb
parents:
16010
diff
changeset
|
1143 |
* |
41222 | 1144 |
* @return An array of ISO 639 two-letter language codes. |
2 | 1145 |
*/ |
1146 |
public static String[] getISOLanguages() { |
|
1147 |
if (isoLanguages == null) { |
|
1148 |
isoLanguages = getISO2Table(LocaleISOData.isoLanguageTable); |
|
1149 |
} |
|
1150 |
String[] result = new String[isoLanguages.length]; |
|
1151 |
System.arraycopy(isoLanguages, 0, result, 0, isoLanguages.length); |
|
1152 |
return result; |
|
1153 |
} |
|
1154 |
||
13583 | 1155 |
private static String[] getISO2Table(String table) { |
2 | 1156 |
int len = table.length() / 5; |
1157 |
String[] isoTable = new String[len]; |
|
1158 |
for (int i = 0, j = 0; i < len; i++, j += 5) { |
|
1159 |
isoTable[i] = table.substring(j, j + 2); |
|
1160 |
} |
|
1161 |
return isoTable; |
|
1162 |
} |
|
1163 |
||
1164 |
/** |
|
6501 | 1165 |
* Returns the language code of this Locale. |
1166 |
* |
|
1167 |
* <p><b>Note:</b> ISO 639 is not a stable standard— some languages' codes have changed. |
|
2 | 1168 |
* Locale's constructor recognizes both the new and the old codes for the languages |
1169 |
* whose codes have changed, but this function always returns the old code. If you |
|
6501 | 1170 |
* want to check for a specific language whose code has changed, don't do |
1171 |
* <pre> |
|
1172 |
* if (locale.getLanguage().equals("he")) // BAD! |
|
2 | 1173 |
* ... |
6501 | 1174 |
* </pre> |
1175 |
* Instead, do |
|
1176 |
* <pre> |
|
1177 |
* if (locale.getLanguage().equals(new Locale("he").getLanguage())) |
|
1178 |
* ... |
|
1179 |
* </pre> |
|
1180 |
* @return The language code, or the empty string if none is defined. |
|
2 | 1181 |
* @see #getDisplayLanguage |
1182 |
*/ |
|
1183 |
public String getLanguage() { |
|
9224 | 1184 |
return baseLocale.getLanguage(); |
2 | 1185 |
} |
1186 |
||
1187 |
/** |
|
6501 | 1188 |
* Returns the script for this locale, which should |
1189 |
* either be the empty string or an ISO 15924 4-letter script |
|
1190 |
* code. The first letter is uppercase and the rest are |
|
1191 |
* lowercase, for example, 'Latn', 'Cyrl'. |
|
1192 |
* |
|
1193 |
* @return The script code, or the empty string if none is defined. |
|
1194 |
* @see #getDisplayScript |
|
1195 |
* @since 1.7 |
|
1196 |
*/ |
|
1197 |
public String getScript() { |
|
9224 | 1198 |
return baseLocale.getScript(); |
6501 | 1199 |
} |
1200 |
||
1201 |
/** |
|
1202 |
* Returns the country/region code for this locale, which should |
|
1203 |
* either be the empty string, an uppercase ISO 3166 2-letter code, |
|
1204 |
* or a UN M.49 3-digit code. |
|
1205 |
* |
|
1206 |
* @return The country/region code, or the empty string if none is defined. |
|
2 | 1207 |
* @see #getDisplayCountry |
1208 |
*/ |
|
1209 |
public String getCountry() { |
|
9224 | 1210 |
return baseLocale.getRegion(); |
2 | 1211 |
} |
1212 |
||
1213 |
/** |
|
1214 |
* Returns the variant code for this locale. |
|
6501 | 1215 |
* |
1216 |
* @return The variant code, or the empty string if none is defined. |
|
2 | 1217 |
* @see #getDisplayVariant |
1218 |
*/ |
|
1219 |
public String getVariant() { |
|
9224 | 1220 |
return baseLocale.getVariant(); |
6501 | 1221 |
} |
1222 |
||
1223 |
/** |
|
13583 | 1224 |
* Returns {@code true} if this {@code Locale} has any <a href="#def_extensions"> |
1225 |
* extensions</a>. |
|
1226 |
* |
|
1227 |
* @return {@code true} if this {@code Locale} has any extensions |
|
1228 |
* @since 1.8 |
|
1229 |
*/ |
|
1230 |
public boolean hasExtensions() { |
|
1231 |
return localeExtensions != null; |
|
1232 |
} |
|
1233 |
||
1234 |
/** |
|
1235 |
* Returns a copy of this {@code Locale} with no <a href="#def_extensions"> |
|
1236 |
* extensions</a>. If this {@code Locale} has no extensions, this {@code Locale} |
|
1237 |
* is returned. |
|
1238 |
* |
|
1239 |
* @return a copy of this {@code Locale} with no extensions, or {@code this} |
|
1240 |
* if {@code this} has no extensions |
|
1241 |
* @since 1.8 |
|
1242 |
*/ |
|
1243 |
public Locale stripExtensions() { |
|
1244 |
return hasExtensions() ? Locale.getInstance(baseLocale, null) : this; |
|
1245 |
} |
|
1246 |
||
1247 |
/** |
|
6501 | 1248 |
* Returns the extension (or private use) value associated with |
1249 |
* the specified key, or null if there is no extension |
|
1250 |
* associated with the key. To be well-formed, the key must be one |
|
1251 |
* of <code>[0-9A-Za-z]</code>. Keys are case-insensitive, so |
|
1252 |
* for example 'z' and 'Z' represent the same extension. |
|
1253 |
* |
|
1254 |
* @param key the extension key |
|
1255 |
* @return The extension, or null if this locale defines no |
|
1256 |
* extension for the specified key. |
|
1257 |
* @throws IllegalArgumentException if key is not well-formed |
|
1258 |
* @see #PRIVATE_USE_EXTENSION |
|
1259 |
* @see #UNICODE_LOCALE_EXTENSION |
|
1260 |
* @since 1.7 |
|
1261 |
*/ |
|
1262 |
public String getExtension(char key) { |
|
1263 |
if (!LocaleExtensions.isValidKey(key)) { |
|
1264 |
throw new IllegalArgumentException("Ill-formed extension key: " + key); |
|
1265 |
} |
|
13583 | 1266 |
return hasExtensions() ? localeExtensions.getExtensionValue(key) : null; |
6501 | 1267 |
} |
1268 |
||
1269 |
/** |
|
1270 |
* Returns the set of extension keys associated with this locale, or the |
|
1271 |
* empty set if it has no extensions. The returned set is unmodifiable. |
|
1272 |
* The keys will all be lower-case. |
|
1273 |
* |
|
1274 |
* @return The set of extension keys, or the empty set if this locale has |
|
1275 |
* no extensions. |
|
1276 |
* @since 1.7 |
|
1277 |
*/ |
|
1278 |
public Set<Character> getExtensionKeys() { |
|
13583 | 1279 |
if (!hasExtensions()) { |
9224 | 1280 |
return Collections.emptySet(); |
1281 |
} |
|
1282 |
return localeExtensions.getKeys(); |
|
6501 | 1283 |
} |
1284 |
||
1285 |
/** |
|
1286 |
* Returns the set of unicode locale attributes associated with |
|
1287 |
* this locale, or the empty set if it has no attributes. The |
|
1288 |
* returned set is unmodifiable. |
|
1289 |
* |
|
1290 |
* @return The set of attributes. |
|
1291 |
* @since 1.7 |
|
1292 |
*/ |
|
1293 |
public Set<String> getUnicodeLocaleAttributes() { |
|
13583 | 1294 |
if (!hasExtensions()) { |
9224 | 1295 |
return Collections.emptySet(); |
1296 |
} |
|
1297 |
return localeExtensions.getUnicodeLocaleAttributes(); |
|
6501 | 1298 |
} |
1299 |
||
1300 |
/** |
|
1301 |
* Returns the Unicode locale type associated with the specified Unicode locale key |
|
1302 |
* for this locale. Returns the empty string for keys that are defined with no type. |
|
1303 |
* Returns null if the key is not defined. Keys are case-insensitive. The key must |
|
1304 |
* be two alphanumeric characters ([0-9a-zA-Z]), or an IllegalArgumentException is |
|
1305 |
* thrown. |
|
1306 |
* |
|
1307 |
* @param key the Unicode locale key |
|
1308 |
* @return The Unicode locale type associated with the key, or null if the |
|
1309 |
* locale does not define the key. |
|
1310 |
* @throws IllegalArgumentException if the key is not well-formed |
|
1311 |
* @throws NullPointerException if <code>key</code> is null |
|
1312 |
* @since 1.7 |
|
1313 |
*/ |
|
1314 |
public String getUnicodeLocaleType(String key) { |
|
13583 | 1315 |
if (!isUnicodeExtensionKey(key)) { |
6501 | 1316 |
throw new IllegalArgumentException("Ill-formed Unicode locale key: " + key); |
1317 |
} |
|
13583 | 1318 |
return hasExtensions() ? localeExtensions.getUnicodeLocaleType(key) : null; |
6501 | 1319 |
} |
1320 |
||
1321 |
/** |
|
1322 |
* Returns the set of Unicode locale keys defined by this locale, or the empty set if |
|
1323 |
* this locale has none. The returned set is immutable. Keys are all lower case. |
|
1324 |
* |
|
1325 |
* @return The set of Unicode locale keys, or the empty set if this locale has |
|
1326 |
* no Unicode locale keywords. |
|
1327 |
* @since 1.7 |
|
1328 |
*/ |
|
1329 |
public Set<String> getUnicodeLocaleKeys() { |
|
9224 | 1330 |
if (localeExtensions == null) { |
1331 |
return Collections.emptySet(); |
|
1332 |
} |
|
1333 |
return localeExtensions.getUnicodeLocaleKeys(); |
|
2 | 1334 |
} |
1335 |
||
1336 |
/** |
|
6501 | 1337 |
* Package locale method returning the Locale's BaseLocale, |
1338 |
* used by ResourceBundle |
|
1339 |
* @return base locale of this Locale |
|
1340 |
*/ |
|
1341 |
BaseLocale getBaseLocale() { |
|
9224 | 1342 |
return baseLocale; |
6501 | 1343 |
} |
1344 |
||
1345 |
/** |
|
9224 | 1346 |
* Package private method returning the Locale's LocaleExtensions, |
1347 |
* used by ResourceBundle. |
|
30655 | 1348 |
* @return locale extensions of this Locale, |
9224 | 1349 |
* or {@code null} if no extensions are defined |
6501 | 1350 |
*/ |
1351 |
LocaleExtensions getLocaleExtensions() { |
|
9224 | 1352 |
return localeExtensions; |
6501 | 1353 |
} |
1354 |
||
1355 |
/** |
|
1356 |
* Returns a string representation of this <code>Locale</code> |
|
1357 |
* object, consisting of language, country, variant, script, |
|
1358 |
* and extensions as below: |
|
21334 | 1359 |
* <blockquote> |
34532 | 1360 |
* language + "_" + country + "_" + (variant + "_#" | "#") + script + "_" + extensions |
6501 | 1361 |
* </blockquote> |
1362 |
* |
|
1363 |
* Language is always lower case, country is always upper case, script is always title |
|
1364 |
* case, and extensions are always lower case. Extensions and private use subtags |
|
1365 |
* will be in canonical order as explained in {@link #toLanguageTag}. |
|
1366 |
* |
|
1367 |
* <p>When the locale has neither script nor extensions, the result is the same as in |
|
1368 |
* Java 6 and prior. |
|
1369 |
* |
|
1370 |
* <p>If both the language and country fields are missing, this function will return |
|
1371 |
* the empty string, even if the variant, script, or extensions field is present (you |
|
1372 |
* can't have a locale with just a variant, the variant must accompany a well-formed |
|
1373 |
* language or country code). |
|
1374 |
* |
|
1375 |
* <p>If script or extensions are present and variant is missing, no underscore is |
|
1376 |
* added before the "#". |
|
1377 |
* |
|
1378 |
* <p>This behavior is designed to support debugging and to be compatible with |
|
1379 |
* previous uses of <code>toString</code> that expected language, country, and variant |
|
1380 |
* fields only. To represent a Locale as a String for interchange purposes, use |
|
1381 |
* {@link #toLanguageTag}. |
|
1382 |
* |
|
18829
ec84f0c313b0
8020409: Clean up doclint problems in java.util package, part 1
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16010
diff
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|
1383 |
* <p>Examples: <ul> |
32108
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|
1384 |
* <li>{@code en}</li> |
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|
1385 |
* <li>{@code de_DE}</li> |
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changeset
|
1386 |
* <li>{@code _GB}</li> |
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diff
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|
1387 |
* <li>{@code en_US_WIN}</li> |
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changeset
|
1388 |
* <li>{@code de__POSIX}</li> |
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30655
diff
changeset
|
1389 |
* <li>{@code zh_CN_#Hans}</li> |
34532 | 1390 |
* <li>{@code zh_TW_#Hant_x-java}</li> |
32108
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diff
changeset
|
1391 |
* <li>{@code th_TH_TH_#u-nu-thai}</li></ul> |
6501 | 1392 |
* |
1393 |
* @return A string representation of the Locale, for debugging. |
|
2 | 1394 |
* @see #getDisplayName |
6501 | 1395 |
* @see #toLanguageTag |
2 | 1396 |
*/ |
9224 | 1397 |
@Override |
2 | 1398 |
public final String toString() { |
9224 | 1399 |
boolean l = (baseLocale.getLanguage().length() != 0); |
1400 |
boolean s = (baseLocale.getScript().length() != 0); |
|
1401 |
boolean r = (baseLocale.getRegion().length() != 0); |
|
1402 |
boolean v = (baseLocale.getVariant().length() != 0); |
|
1403 |
boolean e = (localeExtensions != null && localeExtensions.getID().length() != 0); |
|
6501 | 1404 |
|
9224 | 1405 |
StringBuilder result = new StringBuilder(baseLocale.getLanguage()); |
8780
c88e159a3e5c
7023613: (lc) Incorrect string returned by Locale.toString() with non-empty script field
naoto
parents:
8149
diff
changeset
|
1406 |
if (r || (l && (v || s || e))) { |
6501 | 1407 |
result.append('_') |
9224 | 1408 |
.append(baseLocale.getRegion()); // This may just append '_' |
6501 | 1409 |
} |
1410 |
if (v && (l || r)) { |
|
1411 |
result.append('_') |
|
9224 | 1412 |
.append(baseLocale.getVariant()); |
2 | 1413 |
} |
6501 | 1414 |
|
1415 |
if (s && (l || r)) { |
|
1416 |
result.append("_#") |
|
9224 | 1417 |
.append(baseLocale.getScript()); |
2 | 1418 |
} |
6501 | 1419 |
|
1420 |
if (e && (l || r)) { |
|
1421 |
result.append('_'); |
|
1422 |
if (!s) { |
|
1423 |
result.append('#'); |
|
1424 |
} |
|
9224 | 1425 |
result.append(localeExtensions.getID()); |
6501 | 1426 |
} |
1427 |
||
2 | 1428 |
return result.toString(); |
1429 |
} |
|
1430 |
||
1431 |
/** |
|
6501 | 1432 |
* Returns a well-formed IETF BCP 47 language tag representing |
1433 |
* this locale. |
|
1434 |
* |
|
1435 |
* <p>If this <code>Locale</code> has a language, country, or |
|
1436 |
* variant that does not satisfy the IETF BCP 47 language tag |
|
1437 |
* syntax requirements, this method handles these fields as |
|
1438 |
* described below: |
|
1439 |
* |
|
1440 |
* <p><b>Language:</b> If language is empty, or not <a |
|
1441 |
* href="#def_language" >well-formed</a> (for example "a" or |
|
1442 |
* "e2"), it will be emitted as "und" (Undetermined). |
|
1443 |
* |
|
1444 |
* <p><b>Country:</b> If country is not <a |
|
1445 |
* href="#def_region">well-formed</a> (for example "12" or "USA"), |
|
1446 |
* it will be omitted. |
|
1447 |
* |
|
1448 |
* <p><b>Variant:</b> If variant <b>is</b> <a |
|
1449 |
* href="#def_variant">well-formed</a>, each sub-segment |
|
1450 |
* (delimited by '-' or '_') is emitted as a subtag. Otherwise: |
|
1451 |
* <ul> |
|
1452 |
* |
|
1453 |
* <li>if all sub-segments match <code>[0-9a-zA-Z]{1,8}</code> |
|
1454 |
* (for example "WIN" or "Oracle_JDK_Standard_Edition"), the first |
|
1455 |
* ill-formed sub-segment and all following will be appended to |
|
1456 |
* the private use subtag. The first appended subtag will be |
|
1457 |
* "lvariant", followed by the sub-segments in order, separated by |
|
1458 |
* hyphen. For example, "x-lvariant-WIN", |
|
1459 |
* "Oracle-x-lvariant-JDK-Standard-Edition". |
|
1460 |
* |
|
1461 |
* <li>if any sub-segment does not match |
|
1462 |
* <code>[0-9a-zA-Z]{1,8}</code>, the variant will be truncated |
|
1463 |
* and the problematic sub-segment and all following sub-segments |
|
1464 |
* will be omitted. If the remainder is non-empty, it will be |
|
1465 |
* emitted as a private use subtag as above (even if the remainder |
|
1466 |
* turns out to be well-formed). For example, |
|
1467 |
* "Solaris_isjustthecoolestthing" is emitted as |
|
1468 |
* "x-lvariant-Solaris", not as "solaris".</li></ul> |
|
1469 |
* |
|
7508 | 1470 |
* <p><b>Special Conversions:</b> Java supports some old locale |
1471 |
* representations, including deprecated ISO language codes, |
|
1472 |
* for compatibility. This method performs the following |
|
1473 |
* conversions: |
|
1474 |
* <ul> |
|
6501 | 1475 |
* |
7508 | 1476 |
* <li>Deprecated ISO language codes "iw", "ji", and "in" are |
1477 |
* converted to "he", "yi", and "id", respectively. |
|
6501 | 1478 |
* |
1479 |
* <li>A locale with language "no", country "NO", and variant |
|
7508 | 1480 |
* "NY", representing Norwegian Nynorsk (Norway), is converted |
1481 |
* to a language tag "nn-NO".</li></ul> |
|
6501 | 1482 |
* |
1483 |
* <p><b>Note:</b> Although the language tag created by this |
|
1484 |
* method is well-formed (satisfies the syntax requirements |
|
1485 |
* defined by the IETF BCP 47 specification), it is not |
|
1486 |
* necessarily a valid BCP 47 language tag. For example, |
|
1487 |
* <pre> |
|
1488 |
* new Locale("xx", "YY").toLanguageTag();</pre> |
|
1489 |
* |
|
1490 |
* will return "xx-YY", but the language subtag "xx" and the |
|
1491 |
* region subtag "YY" are invalid because they are not registered |
|
1492 |
* in the IANA Language Subtag Registry. |
|
1493 |
* |
|
1494 |
* @return a BCP47 language tag representing the locale |
|
1495 |
* @see #forLanguageTag(String) |
|
1496 |
* @since 1.7 |
|
1497 |
*/ |
|
1498 |
public String toLanguageTag() { |
|
13583 | 1499 |
if (languageTag != null) { |
1500 |
return languageTag; |
|
1501 |
} |
|
1502 |
||
9224 | 1503 |
LanguageTag tag = LanguageTag.parseLocale(baseLocale, localeExtensions); |
6501 | 1504 |
StringBuilder buf = new StringBuilder(); |
1505 |
||
1506 |
String subtag = tag.getLanguage(); |
|
8149
768769e3cddd
7015500: Locale.toLanguageTag() uses "und" as lang subtag for private use only Locale
naoto
parents:
7783
diff
changeset
|
1507 |
if (subtag.length() > 0) { |
768769e3cddd
7015500: Locale.toLanguageTag() uses "und" as lang subtag for private use only Locale
naoto
parents:
7783
diff
changeset
|
1508 |
buf.append(LanguageTag.canonicalizeLanguage(subtag)); |
768769e3cddd
7015500: Locale.toLanguageTag() uses "und" as lang subtag for private use only Locale
naoto
parents:
7783
diff
changeset
|
1509 |
} |
6501 | 1510 |
|
1511 |
subtag = tag.getScript(); |
|
1512 |
if (subtag.length() > 0) { |
|
1513 |
buf.append(LanguageTag.SEP); |
|
1514 |
buf.append(LanguageTag.canonicalizeScript(subtag)); |
|
1515 |
} |
|
1516 |
||
1517 |
subtag = tag.getRegion(); |
|
1518 |
if (subtag.length() > 0) { |
|
1519 |
buf.append(LanguageTag.SEP); |
|
1520 |
buf.append(LanguageTag.canonicalizeRegion(subtag)); |
|
1521 |
} |
|
1522 |
||
1523 |
List<String>subtags = tag.getVariants(); |
|
1524 |
for (String s : subtags) { |
|
1525 |
buf.append(LanguageTag.SEP); |
|
1526 |
// preserve casing |
|
1527 |
buf.append(s); |
|
1528 |
} |
|
1529 |
||
1530 |
subtags = tag.getExtensions(); |
|
1531 |
for (String s : subtags) { |
|
1532 |
buf.append(LanguageTag.SEP); |
|
1533 |
buf.append(LanguageTag.canonicalizeExtension(s)); |
|
1534 |
} |
|
1535 |
||
1536 |
subtag = tag.getPrivateuse(); |
|
1537 |
if (subtag.length() > 0) { |
|
8149
768769e3cddd
7015500: Locale.toLanguageTag() uses "und" as lang subtag for private use only Locale
naoto
parents:
7783
diff
changeset
|
1538 |
if (buf.length() > 0) { |
768769e3cddd
7015500: Locale.toLanguageTag() uses "und" as lang subtag for private use only Locale
naoto
parents:
7783
diff
changeset
|
1539 |
buf.append(LanguageTag.SEP); |
768769e3cddd
7015500: Locale.toLanguageTag() uses "und" as lang subtag for private use only Locale
naoto
parents:
7783
diff
changeset
|
1540 |
} |
768769e3cddd
7015500: Locale.toLanguageTag() uses "und" as lang subtag for private use only Locale
naoto
parents:
7783
diff
changeset
|
1541 |
buf.append(LanguageTag.PRIVATEUSE).append(LanguageTag.SEP); |
6501 | 1542 |
// preserve casing |
1543 |
buf.append(subtag); |
|
1544 |
} |
|
1545 |
||
13583 | 1546 |
String langTag = buf.toString(); |
1547 |
synchronized (this) { |
|
1548 |
if (languageTag == null) { |
|
1549 |
languageTag = langTag; |
|
1550 |
} |
|
1551 |
} |
|
1552 |
return languageTag; |
|
6501 | 1553 |
} |
1554 |
||
1555 |
/** |
|
1556 |
* Returns a locale for the specified IETF BCP 47 language tag string. |
|
1557 |
* |
|
1558 |
* <p>If the specified language tag contains any ill-formed subtags, |
|
1559 |
* the first such subtag and all following subtags are ignored. Compare |
|
1560 |
* to {@link Locale.Builder#setLanguageTag} which throws an exception |
|
1561 |
* in this case. |
|
1562 |
* |
|
1563 |
* <p>The following <b>conversions</b> are performed:<ul> |
|
1564 |
* |
|
1565 |
* <li>The language code "und" is mapped to language "". |
|
1566 |
* |
|
1567 |
* <li>The language codes "he", "yi", and "id" are mapped to "iw", |
|
1568 |
* "ji", and "in" respectively. (This is the same canonicalization |
|
1569 |
* that's done in Locale's constructors.) |
|
1570 |
* |
|
1571 |
* <li>The portion of a private use subtag prefixed by "lvariant", |
|
1572 |
* if any, is removed and appended to the variant field in the |
|
1573 |
* result locale (without case normalization). If it is then |
|
1574 |
* empty, the private use subtag is discarded: |
|
1575 |
* |
|
1576 |
* <pre> |
|
1577 |
* Locale loc; |
|
7508 | 1578 |
* loc = Locale.forLanguageTag("en-US-x-lvariant-POSIX"); |
6501 | 1579 |
* loc.getVariant(); // returns "POSIX" |
1580 |
* loc.getExtension('x'); // returns null |
|
1581 |
* |
|
1582 |
* loc = Locale.forLanguageTag("de-POSIX-x-URP-lvariant-Abc-Def"); |
|
1583 |
* loc.getVariant(); // returns "POSIX_Abc_Def" |
|
1584 |
* loc.getExtension('x'); // returns "urp" |
|
1585 |
* </pre> |
|
1586 |
* |
|
1587 |
* <li>When the languageTag argument contains an extlang subtag, |
|
1588 |
* the first such subtag is used as the language, and the primary |
|
1589 |
* language subtag and other extlang subtags are ignored: |
|
1590 |
* |
|
1591 |
* <pre> |
|
1592 |
* Locale.forLanguageTag("ar-aao").getLanguage(); // returns "aao" |
|
1593 |
* Locale.forLanguageTag("en-abc-def-us").toString(); // returns "abc_US" |
|
1594 |
* </pre> |
|
1595 |
* |
|
1596 |
* <li>Case is normalized except for variant tags, which are left |
|
1597 |
* unchanged. Language is normalized to lower case, script to |
|
1598 |
* title case, country to upper case, and extensions to lower |
|
1599 |
* case. |
|
1600 |
* |
|
1601 |
* <li>If, after processing, the locale would exactly match either |
|
1602 |
* ja_JP_JP or th_TH_TH with no extensions, the appropriate |
|
1603 |
* extensions are added as though the constructor had been called: |
|
1604 |
* |
|
1605 |
* <pre> |
|
7508 | 1606 |
* Locale.forLanguageTag("ja-JP-x-lvariant-JP").toLanguageTag(); |
1607 |
* // returns "ja-JP-u-ca-japanese-x-lvariant-JP" |
|
1608 |
* Locale.forLanguageTag("th-TH-x-lvariant-TH").toLanguageTag(); |
|
1609 |
* // returns "th-TH-u-nu-thai-x-lvariant-TH" |
|
14014 | 1610 |
* </pre></ul> |
6501 | 1611 |
* |
1612 |
* <p>This implements the 'Language-Tag' production of BCP47, and |
|
1613 |
* so supports grandfathered (regular and irregular) as well as |
|
1614 |
* private use language tags. Stand alone private use tags are |
|
1615 |
* represented as empty language and extension 'x-whatever', |
|
1616 |
* and grandfathered tags are converted to their canonical replacements |
|
1617 |
* where they exist. |
|
1618 |
* |
|
1619 |
* <p>Grandfathered tags with canonical replacements are as follows: |
|
1620 |
* |
|
45124
144479e89cdb
8179592: Update tables in java.base to be HTML 5-friendly.
jjg
parents:
44846
diff
changeset
|
1621 |
* <table class="striped"> |
144479e89cdb
8179592: Update tables in java.base to be HTML 5-friendly.
jjg
parents:
44846
diff
changeset
|
1622 |
* <caption style="display:none">Grandfathered tags with canonical replacements</caption> |
144479e89cdb
8179592: Update tables in java.base to be HTML 5-friendly.
jjg
parents:
44846
diff
changeset
|
1623 |
* <thead style="text-align:center"> |
45881
aaec0fbe17ae
8184208: update class="striped" tables for accessibility
jjg
parents:
45838
diff
changeset
|
1624 |
* <tr><th scope="col" style="padding: 0 2px">grandfathered tag</th><th scope="col" style="padding: 0 2px">modern replacement</th></tr> |
45124
144479e89cdb
8179592: Update tables in java.base to be HTML 5-friendly.
jjg
parents:
44846
diff
changeset
|
1625 |
* </thead> |
44846
b3f9f5bf40b2
8179367: update use of align, valign attributes in java.base to use style attribute
jjg
parents:
44844
diff
changeset
|
1626 |
* <tbody style="text-align:center"> |
45881
aaec0fbe17ae
8184208: update class="striped" tables for accessibility
jjg
parents:
45838
diff
changeset
|
1627 |
* <tr><th scope="row">art-lojban</th><td>jbo</td></tr> |
aaec0fbe17ae
8184208: update class="striped" tables for accessibility
jjg
parents:
45838
diff
changeset
|
1628 |
* <tr><th scope="row">i-ami</th><td>ami</td></tr> |
aaec0fbe17ae
8184208: update class="striped" tables for accessibility
jjg
parents:
45838
diff
changeset
|
1629 |
* <tr><th scope="row">i-bnn</th><td>bnn</td></tr> |
aaec0fbe17ae
8184208: update class="striped" tables for accessibility
jjg
parents:
45838
diff
changeset
|
1630 |
* <tr><th scope="row">i-hak</th><td>hak</td></tr> |
aaec0fbe17ae
8184208: update class="striped" tables for accessibility
jjg
parents:
45838
diff
changeset
|
1631 |
* <tr><th scope="row">i-klingon</th><td>tlh</td></tr> |
aaec0fbe17ae
8184208: update class="striped" tables for accessibility
jjg
parents:
45838
diff
changeset
|
1632 |
* <tr><th scope="row">i-lux</th><td>lb</td></tr> |
aaec0fbe17ae
8184208: update class="striped" tables for accessibility
jjg
parents:
45838
diff
changeset
|
1633 |
* <tr><th scope="row">i-navajo</th><td>nv</td></tr> |
aaec0fbe17ae
8184208: update class="striped" tables for accessibility
jjg
parents:
45838
diff
changeset
|
1634 |
* <tr><th scope="row">i-pwn</th><td>pwn</td></tr> |
aaec0fbe17ae
8184208: update class="striped" tables for accessibility
jjg
parents:
45838
diff
changeset
|
1635 |
* <tr><th scope="row">i-tao</th><td>tao</td></tr> |
aaec0fbe17ae
8184208: update class="striped" tables for accessibility
jjg
parents:
45838
diff
changeset
|
1636 |
* <tr><th scope="row">i-tay</th><td>tay</td></tr> |
aaec0fbe17ae
8184208: update class="striped" tables for accessibility
jjg
parents:
45838
diff
changeset
|
1637 |
* <tr><th scope="row">i-tsu</th><td>tsu</td></tr> |
aaec0fbe17ae
8184208: update class="striped" tables for accessibility
jjg
parents:
45838
diff
changeset
|
1638 |
* <tr><th scope="row">no-bok</th><td>nb</td></tr> |
aaec0fbe17ae
8184208: update class="striped" tables for accessibility
jjg
parents:
45838
diff
changeset
|
1639 |
* <tr><th scope="row">no-nyn</th><td>nn</td></tr> |
aaec0fbe17ae
8184208: update class="striped" tables for accessibility
jjg
parents:
45838
diff
changeset
|
1640 |
* <tr><th scope="row">sgn-BE-FR</th><td>sfb</td></tr> |
aaec0fbe17ae
8184208: update class="striped" tables for accessibility
jjg
parents:
45838
diff
changeset
|
1641 |
* <tr><th scope="row">sgn-BE-NL</th><td>vgt</td></tr> |
aaec0fbe17ae
8184208: update class="striped" tables for accessibility
jjg
parents:
45838
diff
changeset
|
1642 |
* <tr><th scope="row">sgn-CH-DE</th><td>sgg</td></tr> |
aaec0fbe17ae
8184208: update class="striped" tables for accessibility
jjg
parents:
45838
diff
changeset
|
1643 |
* <tr><th scope="row">zh-guoyu</th><td>cmn</td></tr> |
aaec0fbe17ae
8184208: update class="striped" tables for accessibility
jjg
parents:
45838
diff
changeset
|
1644 |
* <tr><th scope="row">zh-hakka</th><td>hak</td></tr> |
aaec0fbe17ae
8184208: update class="striped" tables for accessibility
jjg
parents:
45838
diff
changeset
|
1645 |
* <tr><th scope="row">zh-min-nan</th><td>nan</td></tr> |
aaec0fbe17ae
8184208: update class="striped" tables for accessibility
jjg
parents:
45838
diff
changeset
|
1646 |
* <tr><th scope="row">zh-xiang</th><td>hsn</td></tr> |
6501 | 1647 |
* </tbody> |
1648 |
* </table> |
|
1649 |
* |
|
1650 |
* <p>Grandfathered tags with no modern replacement will be |
|
1651 |
* converted as follows: |
|
1652 |
* |
|
45124
144479e89cdb
8179592: Update tables in java.base to be HTML 5-friendly.
jjg
parents:
44846
diff
changeset
|
1653 |
* <table class="striped"> |
144479e89cdb
8179592: Update tables in java.base to be HTML 5-friendly.
jjg
parents:
44846
diff
changeset
|
1654 |
* <caption style="display:none">Grandfathered tags with no modern replacement</caption> |
144479e89cdb
8179592: Update tables in java.base to be HTML 5-friendly.
jjg
parents:
44846
diff
changeset
|
1655 |
* <thead style="text-align:center"> |
45881
aaec0fbe17ae
8184208: update class="striped" tables for accessibility
jjg
parents:
45838
diff
changeset
|
1656 |
* <tr><th scope="col" style="padding: 0 2px">grandfathered tag</th><th scope="col" style="padding: 0 2px">converts to</th></tr> |
45124
144479e89cdb
8179592: Update tables in java.base to be HTML 5-friendly.
jjg
parents:
44846
diff
changeset
|
1657 |
* </thead> |
44846
b3f9f5bf40b2
8179367: update use of align, valign attributes in java.base to use style attribute
jjg
parents:
44844
diff
changeset
|
1658 |
* <tbody style="text-align:center"> |
45881
aaec0fbe17ae
8184208: update class="striped" tables for accessibility
jjg
parents:
45838
diff
changeset
|
1659 |
* <tr><th scope="row">cel-gaulish</th><td>xtg-x-cel-gaulish</td></tr> |
aaec0fbe17ae
8184208: update class="striped" tables for accessibility
jjg
parents:
45838
diff
changeset
|
1660 |
* <tr><th scope="row">en-GB-oed</th><td>en-GB-x-oed</td></tr> |
aaec0fbe17ae
8184208: update class="striped" tables for accessibility
jjg
parents:
45838
diff
changeset
|
1661 |
* <tr><th scope="row">i-default</th><td>en-x-i-default</td></tr> |
aaec0fbe17ae
8184208: update class="striped" tables for accessibility
jjg
parents:
45838
diff
changeset
|
1662 |
* <tr><th scope="row">i-enochian</th><td>und-x-i-enochian</td></tr> |
aaec0fbe17ae
8184208: update class="striped" tables for accessibility
jjg
parents:
45838
diff
changeset
|
1663 |
* <tr><th scope="row">i-mingo</th><td>see-x-i-mingo</td></tr> |
aaec0fbe17ae
8184208: update class="striped" tables for accessibility
jjg
parents:
45838
diff
changeset
|
1664 |
* <tr><th scope="row">zh-min</th><td>nan-x-zh-min</td></tr> |
6501 | 1665 |
* </tbody> |
1666 |
* </table> |
|
1667 |
* |
|
1668 |
* <p>For a list of all grandfathered tags, see the |
|
1669 |
* IANA Language Subtag Registry (search for "Type: grandfathered"). |
|
1670 |
* |
|
1671 |
* <p><b>Note</b>: there is no guarantee that <code>toLanguageTag</code> |
|
1672 |
* and <code>forLanguageTag</code> will round-trip. |
|
1673 |
* |
|
1674 |
* @param languageTag the language tag |
|
1675 |
* @return The locale that best represents the language tag. |
|
1676 |
* @throws NullPointerException if <code>languageTag</code> is <code>null</code> |
|
1677 |
* @see #toLanguageTag() |
|
1678 |
* @see java.util.Locale.Builder#setLanguageTag(String) |
|
1679 |
* @since 1.7 |
|
1680 |
*/ |
|
1681 |
public static Locale forLanguageTag(String languageTag) { |
|
1682 |
LanguageTag tag = LanguageTag.parse(languageTag, null); |
|
1683 |
InternalLocaleBuilder bldr = new InternalLocaleBuilder(); |
|
1684 |
bldr.setLanguageTag(tag); |
|
7513
7091fccbc86d
7002320: Locale.forLanguageTag()/toLanguageTag() not working properly with ja_JP_JP locale
naoto
parents:
7508
diff
changeset
|
1685 |
BaseLocale base = bldr.getBaseLocale(); |
7091fccbc86d
7002320: Locale.forLanguageTag()/toLanguageTag() not working properly with ja_JP_JP locale
naoto
parents:
7508
diff
changeset
|
1686 |
LocaleExtensions exts = bldr.getLocaleExtensions(); |
9224 | 1687 |
if (exts == null && base.getVariant().length() > 0) { |
1688 |
exts = getCompatibilityExtensions(base.getLanguage(), base.getScript(), |
|
1689 |
base.getRegion(), base.getVariant()); |
|
7513
7091fccbc86d
7002320: Locale.forLanguageTag()/toLanguageTag() not working properly with ja_JP_JP locale
naoto
parents:
7508
diff
changeset
|
1690 |
} |
7091fccbc86d
7002320: Locale.forLanguageTag()/toLanguageTag() not working properly with ja_JP_JP locale
naoto
parents:
7508
diff
changeset
|
1691 |
return getInstance(base, exts); |
6501 | 1692 |
} |
1693 |
||
1694 |
/** |
|
1695 |
* Returns a three-letter abbreviation of this locale's language. |
|
1696 |
* If the language matches an ISO 639-1 two-letter code, the |
|
1697 |
* corresponding ISO 639-2/T three-letter lowercase code is |
|
1698 |
* returned. The ISO 639-2 language codes can be found on-line, |
|
1699 |
* see "Codes for the Representation of Names of Languages Part 2: |
|
1700 |
* Alpha-3 Code". If the locale specifies a three-letter |
|
1701 |
* language, the language is returned as is. If the locale does |
|
1702 |
* not specify a language the empty string is returned. |
|
1703 |
* |
|
1704 |
* @return A three-letter abbreviation of this locale's language. |
|
1705 |
* @exception MissingResourceException Throws MissingResourceException if |
|
2 | 1706 |
* three-letter language abbreviation is not available for this locale. |
1707 |
*/ |
|
1708 |
public String getISO3Language() throws MissingResourceException { |
|
9224 | 1709 |
String lang = baseLocale.getLanguage(); |
7783
8eb31199b5ed
4940539: Constructor of java.util.Locale should handle ISO 639-2 Language Codes
naoto
parents:
7513
diff
changeset
|
1710 |
if (lang.length() == 3) { |
8eb31199b5ed
4940539: Constructor of java.util.Locale should handle ISO 639-2 Language Codes
naoto
parents:
7513
diff
changeset
|
1711 |
return lang; |
8eb31199b5ed
4940539: Constructor of java.util.Locale should handle ISO 639-2 Language Codes
naoto
parents:
7513
diff
changeset
|
1712 |
} |
8eb31199b5ed
4940539: Constructor of java.util.Locale should handle ISO 639-2 Language Codes
naoto
parents:
7513
diff
changeset
|
1713 |
|
8eb31199b5ed
4940539: Constructor of java.util.Locale should handle ISO 639-2 Language Codes
naoto
parents:
7513
diff
changeset
|
1714 |
String language3 = getISO3Code(lang, LocaleISOData.isoLanguageTable); |
2 | 1715 |
if (language3 == null) { |
1716 |
throw new MissingResourceException("Couldn't find 3-letter language code for " |
|
7783
8eb31199b5ed
4940539: Constructor of java.util.Locale should handle ISO 639-2 Language Codes
naoto
parents:
7513
diff
changeset
|
1717 |
+ lang, "FormatData_" + toString(), "ShortLanguage"); |
2 | 1718 |
} |
1719 |
return language3; |
|
1720 |
} |
|
1721 |
||
1722 |
/** |
|
6501 | 1723 |
* Returns a three-letter abbreviation for this locale's country. |
1724 |
* If the country matches an ISO 3166-1 alpha-2 code, the |
|
1725 |
* corresponding ISO 3166-1 alpha-3 uppercase code is returned. |
|
1726 |
* If the locale doesn't specify a country, this will be the empty |
|
1727 |
* string. |
|
1728 |
* |
|
1729 |
* <p>The ISO 3166-1 codes can be found on-line. |
|
1730 |
* |
|
1731 |
* @return A three-letter abbreviation of this locale's country. |
|
2 | 1732 |
* @exception MissingResourceException Throws MissingResourceException if the |
1733 |
* three-letter country abbreviation is not available for this locale. |
|
1734 |
*/ |
|
1735 |
public String getISO3Country() throws MissingResourceException { |
|
9224 | 1736 |
String country3 = getISO3Code(baseLocale.getRegion(), LocaleISOData.isoCountryTable); |
2 | 1737 |
if (country3 == null) { |
1738 |
throw new MissingResourceException("Couldn't find 3-letter country code for " |
|
9224 | 1739 |
+ baseLocale.getRegion(), "FormatData_" + toString(), "ShortCountry"); |
2 | 1740 |
} |
1741 |
return country3; |
|
1742 |
} |
|
1743 |
||
13583 | 1744 |
private static String getISO3Code(String iso2Code, String table) { |
2 | 1745 |
int codeLength = iso2Code.length(); |
1746 |
if (codeLength == 0) { |
|
1747 |
return ""; |
|
1748 |
} |
|
1749 |
||
1750 |
int tableLength = table.length(); |
|
1751 |
int index = tableLength; |
|
1752 |
if (codeLength == 2) { |
|
1753 |
char c1 = iso2Code.charAt(0); |
|
1754 |
char c2 = iso2Code.charAt(1); |
|
1755 |
for (index = 0; index < tableLength; index += 5) { |
|
1756 |
if (table.charAt(index) == c1 |
|
1757 |
&& table.charAt(index + 1) == c2) { |
|
1758 |
break; |
|
1759 |
} |
|
1760 |
} |
|
1761 |
} |
|
1762 |
return index < tableLength ? table.substring(index + 2, index + 5) : null; |
|
1763 |
} |
|
1764 |
||
1765 |
/** |
|
1766 |
* Returns a name for the locale's language that is appropriate for display to the |
|
1767 |
* user. |
|
16010
2727163b5df5
7092447: Clarify the default locale used in each locale sensitive operation
naoto
parents:
15260
diff
changeset
|
1768 |
* If possible, the name returned will be localized for the default |
2727163b5df5
7092447: Clarify the default locale used in each locale sensitive operation
naoto
parents:
15260
diff
changeset
|
1769 |
* {@link Locale.Category#DISPLAY DISPLAY} locale. |
2727163b5df5
7092447: Clarify the default locale used in each locale sensitive operation
naoto
parents:
15260
diff
changeset
|
1770 |
* For example, if the locale is fr_FR and the default |
2727163b5df5
7092447: Clarify the default locale used in each locale sensitive operation
naoto
parents:
15260
diff
changeset
|
1771 |
* {@link Locale.Category#DISPLAY DISPLAY} locale |
2 | 1772 |
* is en_US, getDisplayLanguage() will return "French"; if the locale is en_US and |
16010
2727163b5df5
7092447: Clarify the default locale used in each locale sensitive operation
naoto
parents:
15260
diff
changeset
|
1773 |
* the default {@link Locale.Category#DISPLAY DISPLAY} locale is fr_FR, |
2727163b5df5
7092447: Clarify the default locale used in each locale sensitive operation
naoto
parents:
15260
diff
changeset
|
1774 |
* getDisplayLanguage() will return "anglais". |
2727163b5df5
7092447: Clarify the default locale used in each locale sensitive operation
naoto
parents:
15260
diff
changeset
|
1775 |
* If the name returned cannot be localized for the default |
2727163b5df5
7092447: Clarify the default locale used in each locale sensitive operation
naoto
parents:
15260
diff
changeset
|
1776 |
* {@link Locale.Category#DISPLAY DISPLAY} locale, |
2 | 1777 |
* (say, we don't have a Japanese name for Croatian), |
1778 |
* this function falls back on the English name, and uses the ISO code as a last-resort |
|
1779 |
* value. If the locale doesn't specify a language, this function returns the empty string. |
|
18829
ec84f0c313b0
8020409: Clean up doclint problems in java.util package, part 1
bpb
parents:
16010
diff
changeset
|
1780 |
* |
ec84f0c313b0
8020409: Clean up doclint problems in java.util package, part 1
bpb
parents:
16010
diff
changeset
|
1781 |
* @return The name of the display language. |
2 | 1782 |
*/ |
1783 |
public final String getDisplayLanguage() { |
|
6489
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
1784 |
return getDisplayLanguage(getDefault(Category.DISPLAY)); |
2 | 1785 |
} |
1786 |
||
1787 |
/** |
|
1788 |
* Returns a name for the locale's language that is appropriate for display to the |
|
1789 |
* user. |
|
1790 |
* If possible, the name returned will be localized according to inLocale. |
|
1791 |
* For example, if the locale is fr_FR and inLocale |
|
1792 |
* is en_US, getDisplayLanguage() will return "French"; if the locale is en_US and |
|
1793 |
* inLocale is fr_FR, getDisplayLanguage() will return "anglais". |
|
1794 |
* If the name returned cannot be localized according to inLocale, |
|
1795 |
* (say, we don't have a Japanese name for Croatian), |
|
1796 |
* this function falls back on the English name, and finally |
|
1797 |
* on the ISO code as a last-resort value. If the locale doesn't specify a language, |
|
1798 |
* this function returns the empty string. |
|
1799 |
* |
|
18829
ec84f0c313b0
8020409: Clean up doclint problems in java.util package, part 1
bpb
parents:
16010
diff
changeset
|
1800 |
* @param inLocale The locale for which to retrieve the display language. |
ec84f0c313b0
8020409: Clean up doclint problems in java.util package, part 1
bpb
parents:
16010
diff
changeset
|
1801 |
* @return The name of the display language appropriate to the given locale. |
2 | 1802 |
* @exception NullPointerException if <code>inLocale</code> is <code>null</code> |
1803 |
*/ |
|
1804 |
public String getDisplayLanguage(Locale inLocale) { |
|
48251
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
1805 |
return getDisplayString(baseLocale.getLanguage(), null, inLocale, DISPLAY_LANGUAGE); |
6501 | 1806 |
} |
1807 |
||
1808 |
/** |
|
28059
e576535359cc
8067377: My hobby: caning, then then canning, the the can-can
martin
parents:
26219
diff
changeset
|
1809 |
* Returns a name for the locale's script that is appropriate for display to |
16010
2727163b5df5
7092447: Clarify the default locale used in each locale sensitive operation
naoto
parents:
15260
diff
changeset
|
1810 |
* the user. If possible, the name will be localized for the default |
2727163b5df5
7092447: Clarify the default locale used in each locale sensitive operation
naoto
parents:
15260
diff
changeset
|
1811 |
* {@link Locale.Category#DISPLAY DISPLAY} locale. Returns |
6501 | 1812 |
* the empty string if this locale doesn't specify a script code. |
1813 |
* |
|
16010
2727163b5df5
7092447: Clarify the default locale used in each locale sensitive operation
naoto
parents:
15260
diff
changeset
|
1814 |
* @return the display name of the script code for the current default |
2727163b5df5
7092447: Clarify the default locale used in each locale sensitive operation
naoto
parents:
15260
diff
changeset
|
1815 |
* {@link Locale.Category#DISPLAY DISPLAY} locale |
6501 | 1816 |
* @since 1.7 |
1817 |
*/ |
|
1818 |
public String getDisplayScript() { |
|
10339
80d9f4bc094b
7079486: Locale.getDisplayScript() (no args) does not honor default DISPLAY locale
naoto
parents:
9232
diff
changeset
|
1819 |
return getDisplayScript(getDefault(Category.DISPLAY)); |
6501 | 1820 |
} |
1821 |
||
1822 |
/** |
|
1823 |
* Returns a name for the locale's script that is appropriate |
|
1824 |
* for display to the user. If possible, the name will be |
|
1825 |
* localized for the given locale. Returns the empty string if |
|
1826 |
* this locale doesn't specify a script code. |
|
1827 |
* |
|
18829
ec84f0c313b0
8020409: Clean up doclint problems in java.util package, part 1
bpb
parents:
16010
diff
changeset
|
1828 |
* @param inLocale The locale for which to retrieve the display script. |
16010
2727163b5df5
7092447: Clarify the default locale used in each locale sensitive operation
naoto
parents:
15260
diff
changeset
|
1829 |
* @return the display name of the script code for the current default |
2727163b5df5
7092447: Clarify the default locale used in each locale sensitive operation
naoto
parents:
15260
diff
changeset
|
1830 |
* {@link Locale.Category#DISPLAY DISPLAY} locale |
6501 | 1831 |
* @throws NullPointerException if <code>inLocale</code> is <code>null</code> |
1832 |
* @since 1.7 |
|
1833 |
*/ |
|
1834 |
public String getDisplayScript(Locale inLocale) { |
|
48251
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
1835 |
return getDisplayString(baseLocale.getScript(), null, inLocale, DISPLAY_SCRIPT); |
2 | 1836 |
} |
1837 |
||
1838 |
/** |
|
1839 |
* Returns a name for the locale's country that is appropriate for display to the |
|
1840 |
* user. |
|
16010
2727163b5df5
7092447: Clarify the default locale used in each locale sensitive operation
naoto
parents:
15260
diff
changeset
|
1841 |
* If possible, the name returned will be localized for the default |
2727163b5df5
7092447: Clarify the default locale used in each locale sensitive operation
naoto
parents:
15260
diff
changeset
|
1842 |
* {@link Locale.Category#DISPLAY DISPLAY} locale. |
2727163b5df5
7092447: Clarify the default locale used in each locale sensitive operation
naoto
parents:
15260
diff
changeset
|
1843 |
* For example, if the locale is fr_FR and the default |
2727163b5df5
7092447: Clarify the default locale used in each locale sensitive operation
naoto
parents:
15260
diff
changeset
|
1844 |
* {@link Locale.Category#DISPLAY DISPLAY} locale |
2 | 1845 |
* is en_US, getDisplayCountry() will return "France"; if the locale is en_US and |
16010
2727163b5df5
7092447: Clarify the default locale used in each locale sensitive operation
naoto
parents:
15260
diff
changeset
|
1846 |
* the default {@link Locale.Category#DISPLAY DISPLAY} locale is fr_FR, |
2727163b5df5
7092447: Clarify the default locale used in each locale sensitive operation
naoto
parents:
15260
diff
changeset
|
1847 |
* getDisplayCountry() will return "Etats-Unis". |
2727163b5df5
7092447: Clarify the default locale used in each locale sensitive operation
naoto
parents:
15260
diff
changeset
|
1848 |
* If the name returned cannot be localized for the default |
2727163b5df5
7092447: Clarify the default locale used in each locale sensitive operation
naoto
parents:
15260
diff
changeset
|
1849 |
* {@link Locale.Category#DISPLAY DISPLAY} locale, |
2 | 1850 |
* (say, we don't have a Japanese name for Croatia), |
1851 |
* this function falls back on the English name, and uses the ISO code as a last-resort |
|
1852 |
* value. If the locale doesn't specify a country, this function returns the empty string. |
|
18829
ec84f0c313b0
8020409: Clean up doclint problems in java.util package, part 1
bpb
parents:
16010
diff
changeset
|
1853 |
* |
ec84f0c313b0
8020409: Clean up doclint problems in java.util package, part 1
bpb
parents:
16010
diff
changeset
|
1854 |
* @return The name of the country appropriate to the locale. |
2 | 1855 |
*/ |
1856 |
public final String getDisplayCountry() { |
|
6489
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
1857 |
return getDisplayCountry(getDefault(Category.DISPLAY)); |
2 | 1858 |
} |
1859 |
||
1860 |
/** |
|
1861 |
* Returns a name for the locale's country that is appropriate for display to the |
|
1862 |
* user. |
|
1863 |
* If possible, the name returned will be localized according to inLocale. |
|
1864 |
* For example, if the locale is fr_FR and inLocale |
|
1865 |
* is en_US, getDisplayCountry() will return "France"; if the locale is en_US and |
|
1866 |
* inLocale is fr_FR, getDisplayCountry() will return "Etats-Unis". |
|
1867 |
* If the name returned cannot be localized according to inLocale. |
|
1868 |
* (say, we don't have a Japanese name for Croatia), |
|
1869 |
* this function falls back on the English name, and finally |
|
1870 |
* on the ISO code as a last-resort value. If the locale doesn't specify a country, |
|
1871 |
* this function returns the empty string. |
|
1872 |
* |
|
18829
ec84f0c313b0
8020409: Clean up doclint problems in java.util package, part 1
bpb
parents:
16010
diff
changeset
|
1873 |
* @param inLocale The locale for which to retrieve the display country. |
ec84f0c313b0
8020409: Clean up doclint problems in java.util package, part 1
bpb
parents:
16010
diff
changeset
|
1874 |
* @return The name of the country appropriate to the given locale. |
2 | 1875 |
* @exception NullPointerException if <code>inLocale</code> is <code>null</code> |
1876 |
*/ |
|
1877 |
public String getDisplayCountry(Locale inLocale) { |
|
48251
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
1878 |
return getDisplayString(baseLocale.getRegion(), null, inLocale, DISPLAY_COUNTRY); |
2 | 1879 |
} |
1880 |
||
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1881 |
private String getDisplayString(String code, String cat, Locale inLocale, int type) { |
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|
1882 |
Objects.requireNonNull(inLocale); |
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|
1883 |
Objects.requireNonNull(code); |
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|
1884 |
|
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|
1885 |
if (code.isEmpty()) { |
2 | 1886 |
return ""; |
1887 |
} |
|
1888 |
||
13583 | 1889 |
LocaleServiceProviderPool pool = |
1890 |
LocaleServiceProviderPool.getPool(LocaleNameProvider.class); |
|
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|
1891 |
String rbKey = (type == DISPLAY_VARIANT ? "%%"+code : code); |
13583 | 1892 |
String result = pool.getLocalizedObject( |
1893 |
LocaleNameGetter.INSTANCE, |
|
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|
1894 |
inLocale, rbKey, type, code, cat); |
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|
1895 |
return result != null ? result : code; |
2 | 1896 |
} |
1897 |
||
1898 |
/** |
|
1899 |
* Returns a name for the locale's variant code that is appropriate for display to the |
|
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|
1900 |
* user. If possible, the name will be localized for the default |
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|
1901 |
* {@link Locale.Category#DISPLAY DISPLAY} locale. If the locale |
2 | 1902 |
* doesn't specify a variant code, this function returns the empty string. |
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|
1903 |
* |
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1904 |
* @return The name of the display variant code appropriate to the locale. |
2 | 1905 |
*/ |
1906 |
public final String getDisplayVariant() { |
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|
1907 |
return getDisplayVariant(getDefault(Category.DISPLAY)); |
2 | 1908 |
} |
1909 |
||
1910 |
/** |
|
1911 |
* Returns a name for the locale's variant code that is appropriate for display to the |
|
1912 |
* user. If possible, the name will be localized for inLocale. If the locale |
|
1913 |
* doesn't specify a variant code, this function returns the empty string. |
|
1914 |
* |
|
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|
1915 |
* @param inLocale The locale for which to retrieve the display variant code. |
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|
1916 |
* @return The name of the display variant code appropriate to the given locale. |
2 | 1917 |
* @exception NullPointerException if <code>inLocale</code> is <code>null</code> |
1918 |
*/ |
|
1919 |
public String getDisplayVariant(Locale inLocale) { |
|
9224 | 1920 |
if (baseLocale.getVariant().length() == 0) |
2 | 1921 |
return ""; |
1922 |
||
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|
1923 |
LocaleResources lr = LocaleProviderAdapter |
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|
1924 |
.getResourceBundleBased() |
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|
1925 |
.getLocaleResources(inLocale); |
2 | 1926 |
|
15260 | 1927 |
String names[] = getDisplayVariantArray(inLocale); |
2 | 1928 |
|
1929 |
// Get the localized patterns for formatting a list, and use |
|
1930 |
// them to format the list. |
|
15260 | 1931 |
return formatList(names, |
1932 |
lr.getLocaleName("ListCompositionPattern")); |
|
2 | 1933 |
} |
1934 |
||
1935 |
/** |
|
1936 |
* Returns a name for the locale that is appropriate for display to the |
|
6501 | 1937 |
* user. This will be the values returned by getDisplayLanguage(), |
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|
1938 |
* getDisplayScript(), getDisplayCountry(), getDisplayVariant() and |
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|
1939 |
* optional <a href="./Locale.html#def_locale_extension">Unicode extensions</a> |
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|
1940 |
* assembled into a single string. The non-empty values are used in order, with |
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|
1941 |
* the second and subsequent names in parentheses. For example: |
6501 | 1942 |
* <blockquote> |
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|
1943 |
* language (script, country, variant(, extension)*)<br> |
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|
1944 |
* language (country(, extension)*)<br> |
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|
1945 |
* language (variant(, extension)*)<br> |
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|
1946 |
* script (country(, extension)*)<br> |
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|
1947 |
* country (extension)*<br> |
6501 | 1948 |
* </blockquote> |
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|
1949 |
* depending on which fields are specified in the locale. The field |
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|
1950 |
* separator in the above parentheses, denoted as a comma character, may |
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|
1951 |
* be localized depending on the locale. If the language, script, country, |
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|
1952 |
* and variant fields are all empty, this function returns the empty string. |
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|
1953 |
* |
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1954 |
* @return The name of the locale appropriate to display. |
2 | 1955 |
*/ |
1956 |
public final String getDisplayName() { |
|
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|
1957 |
return getDisplayName(getDefault(Category.DISPLAY)); |
2 | 1958 |
} |
1959 |
||
1960 |
/** |
|
6501 | 1961 |
* Returns a name for the locale that is appropriate for display |
1962 |
* to the user. This will be the values returned by |
|
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|
1963 |
* getDisplayLanguage(), getDisplayScript(),getDisplayCountry() |
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|
1964 |
* getDisplayVariant(), and optional <a href="./Locale.html#def_locale_extension"> |
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|
1965 |
* Unicode extensions</a> assembled into a single string. The non-empty |
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|
1966 |
* values are used in order, with the second and subsequent names in |
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|
1967 |
* parentheses. For example: |
6501 | 1968 |
* <blockquote> |
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|
1969 |
* language (script, country, variant(, extension)*)<br> |
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|
1970 |
* language (country(, extension)*)<br> |
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|
1971 |
* language (variant(, extension)*)<br> |
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|
1972 |
* script (country(, extension)*)<br> |
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|
1973 |
* country (extension)*<br> |
6501 | 1974 |
* </blockquote> |
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|
1975 |
* depending on which fields are specified in the locale. The field |
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|
1976 |
* separator in the above parentheses, denoted as a comma character, may |
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|
1977 |
* be localized depending on the locale. If the language, script, country, |
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|
1978 |
* and variant fields are all empty, this function returns the empty string. |
2 | 1979 |
* |
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|
1980 |
* @param inLocale The locale for which to retrieve the display name. |
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|
1981 |
* @return The name of the locale appropriate to display. |
6501 | 1982 |
* @throws NullPointerException if <code>inLocale</code> is <code>null</code> |
2 | 1983 |
*/ |
1984 |
public String getDisplayName(Locale inLocale) { |
|
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|
1985 |
LocaleResources lr = LocaleProviderAdapter |
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|
1986 |
.getResourceBundleBased() |
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|
1987 |
.getLocaleResources(inLocale); |
2 | 1988 |
|
1989 |
String languageName = getDisplayLanguage(inLocale); |
|
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|
1990 |
String scriptName = getDisplayScript(inLocale); |
2 | 1991 |
String countryName = getDisplayCountry(inLocale); |
15260 | 1992 |
String[] variantNames = getDisplayVariantArray(inLocale); |
2 | 1993 |
|
1994 |
// Get the localized patterns for formatting a display name. |
|
15260 | 1995 |
String displayNamePattern = lr.getLocaleName("DisplayNamePattern"); |
1996 |
String listCompositionPattern = lr.getLocaleName("ListCompositionPattern"); |
|
2 | 1997 |
|
1998 |
// The display name consists of a main name, followed by qualifiers. |
|
1999 |
// Typically, the format is "MainName (Qualifier, Qualifier)" but this |
|
2000 |
// depends on what pattern is stored in the display locale. |
|
2001 |
String mainName = null; |
|
2002 |
String[] qualifierNames = null; |
|
2003 |
||
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|
2004 |
// The main name is the language, or if there is no language, the script, |
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|
2005 |
// then if no script, the country. If there is no language/script/country |
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|
2006 |
// (an anomalous situation) then the display name is simply the variant's |
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|
2007 |
// display name. |
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|
2008 |
if (languageName.length() == 0 && scriptName.length() == 0 && countryName.length() == 0) { |
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|
2009 |
if (variantNames.length == 0) { |
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|
2010 |
return ""; |
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|
2011 |
} else { |
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|
2012 |
return formatList(variantNames, listCompositionPattern); |
2 | 2013 |
} |
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|
2014 |
} |
9224 | 2015 |
ArrayList<String> names = new ArrayList<>(4); |
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|
2016 |
if (languageName.length() != 0) { |
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|
2017 |
names.add(languageName); |
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|
2018 |
} |
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|
2019 |
if (scriptName.length() != 0) { |
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|
2020 |
names.add(scriptName); |
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|
2021 |
} |
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changeset
|
2022 |
if (countryName.length() != 0) { |
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|
2023 |
names.add(countryName); |
2 | 2024 |
} |
6843
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changeset
|
2025 |
if (variantNames.length != 0) { |
13583 | 2026 |
names.addAll(Arrays.asList(variantNames)); |
2 | 2027 |
} |
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|
2028 |
|
48251
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|
2029 |
// add Unicode extensions |
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|
2030 |
if (localeExtensions != null) { |
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changeset
|
2031 |
localeExtensions.getUnicodeLocaleAttributes().stream() |
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|
2032 |
.map(key -> getDisplayString(key, null, inLocale, DISPLAY_UEXT_KEY)) |
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|
2033 |
.forEach(names::add); |
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changeset
|
2034 |
localeExtensions.getUnicodeLocaleKeys().stream() |
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parents:
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changeset
|
2035 |
.map(key -> getDisplayKeyTypeExtensionString(key, lr, inLocale)) |
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changeset
|
2036 |
.forEach(names::add); |
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|
2037 |
} |
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|
2038 |
|
6843
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|
2039 |
// The first one in the main name |
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|
2040 |
mainName = names.get(0); |
6ab7e78c51eb
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|
2041 |
|
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|
2042 |
// Others are qualifiers |
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|
2043 |
int numNames = names.size(); |
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|
2044 |
qualifierNames = (numNames > 1) ? |
6ab7e78c51eb
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changeset
|
2045 |
names.subList(1, numNames).toArray(new String[numNames - 1]) : new String[0]; |
2 | 2046 |
|
2047 |
// Create an array whose first element is the number of remaining |
|
2048 |
// elements. This serves as a selector into a ChoiceFormat pattern from |
|
2049 |
// the resource. The second and third elements are the main name and |
|
2050 |
// the qualifier; if there are no qualifiers, the third element is |
|
2051 |
// unused by the format pattern. |
|
2052 |
Object[] displayNames = { |
|
25522
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|
2053 |
qualifierNames.length != 0 ? 2 : 1, |
2 | 2054 |
mainName, |
2055 |
// We could also just call formatList() and have it handle the empty |
|
2056 |
// list case, but this is more efficient, and we want it to be |
|
2057 |
// efficient since all the language-only locales will not have any |
|
2058 |
// qualifiers. |
|
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|
2059 |
qualifierNames.length != 0 ? formatList(qualifierNames, listCompositionPattern) : null |
2 | 2060 |
}; |
2061 |
||
2062 |
if (displayNamePattern != null) { |
|
2063 |
return new MessageFormat(displayNamePattern).format(displayNames); |
|
2064 |
} |
|
2065 |
else { |
|
2066 |
// If we cannot get the message format pattern, then we use a simple |
|
2067 |
// hard-coded pattern. This should not occur in practice unless the |
|
2068 |
// installation is missing some core files (FormatData etc.). |
|
2069 |
StringBuilder result = new StringBuilder(); |
|
2070 |
result.append((String)displayNames[1]); |
|
2071 |
if (displayNames.length > 2) { |
|
2072 |
result.append(" ("); |
|
2073 |
result.append((String)displayNames[2]); |
|
2074 |
result.append(')'); |
|
2075 |
} |
|
2076 |
return result.toString(); |
|
2077 |
} |
|
2078 |
} |
|
2079 |
||
2080 |
/** |
|
6501 | 2081 |
* Overrides Cloneable. |
2 | 2082 |
*/ |
13583 | 2083 |
@Override |
2 | 2084 |
public Object clone() |
2085 |
{ |
|
2086 |
try { |
|
2087 |
Locale that = (Locale)super.clone(); |
|
2088 |
return that; |
|
2089 |
} catch (CloneNotSupportedException e) { |
|
10419
12c063b39232
7084245: Update usages of InternalError to use exception chaining
sherman
parents:
10339
diff
changeset
|
2090 |
throw new InternalError(e); |
2 | 2091 |
} |
2092 |
} |
|
2093 |
||
2094 |
/** |
|
2095 |
* Override hashCode. |
|
2096 |
* Since Locales are often used in hashtables, caches the value |
|
2097 |
* for speed. |
|
2098 |
*/ |
|
9224 | 2099 |
@Override |
2 | 2100 |
public int hashCode() { |
2101 |
int hc = hashCodeValue; |
|
2102 |
if (hc == 0) { |
|
9224 | 2103 |
hc = baseLocale.hashCode(); |
2104 |
if (localeExtensions != null) { |
|
2105 |
hc ^= localeExtensions.hashCode(); |
|
2106 |
} |
|
2 | 2107 |
hashCodeValue = hc; |
2108 |
} |
|
2109 |
return hc; |
|
2110 |
} |
|
2111 |
||
2112 |
// Overrides |
|
2113 |
||
2114 |
/** |
|
2115 |
* Returns true if this Locale is equal to another object. A Locale is |
|
6501 | 2116 |
* deemed equal to another Locale with identical language, script, country, |
2117 |
* variant and extensions, and unequal to all other objects. |
|
2 | 2118 |
* |
2119 |
* @return true if this Locale is equal to the specified object. |
|
2120 |
*/ |
|
9224 | 2121 |
@Override |
2 | 2122 |
public boolean equals(Object obj) { |
2123 |
if (this == obj) // quick check |
|
2124 |
return true; |
|
2125 |
if (!(obj instanceof Locale)) |
|
2126 |
return false; |
|
9224 | 2127 |
BaseLocale otherBase = ((Locale)obj).baseLocale; |
2128 |
if (!baseLocale.equals(otherBase)) { |
|
2129 |
return false; |
|
2130 |
} |
|
2131 |
if (localeExtensions == null) { |
|
2132 |
return ((Locale)obj).localeExtensions == null; |
|
2133 |
} |
|
2134 |
return localeExtensions.equals(((Locale)obj).localeExtensions); |
|
2 | 2135 |
} |
2136 |
||
2137 |
// ================= privates ===================================== |
|
2138 |
||
9224 | 2139 |
private transient BaseLocale baseLocale; |
2140 |
private transient LocaleExtensions localeExtensions; |
|
2 | 2141 |
|
2142 |
/** |
|
6501 | 2143 |
* Calculated hashcode |
2 | 2144 |
*/ |
34774
03b4e6dc367b
8145680: Remove unnecessary explicit initialization of volatile variables in java.base
redestad
parents:
34532
diff
changeset
|
2145 |
private transient volatile int hashCodeValue; |
2 | 2146 |
|
32649
2ee9017c7597
8136583: Core libraries should use blessed modifier order
martin
parents:
32108
diff
changeset
|
2147 |
private static volatile Locale defaultLocale = initDefault(); |
34774
03b4e6dc367b
8145680: Remove unnecessary explicit initialization of volatile variables in java.base
redestad
parents:
34532
diff
changeset
|
2148 |
private static volatile Locale defaultDisplayLocale; |
03b4e6dc367b
8145680: Remove unnecessary explicit initialization of volatile variables in java.base
redestad
parents:
34532
diff
changeset
|
2149 |
private static volatile Locale defaultFormatLocale; |
2 | 2150 |
|
13583 | 2151 |
private transient volatile String languageTag; |
2152 |
||
2 | 2153 |
/** |
2154 |
* Return an array of the display names of the variant. |
|
2155 |
* @param bundle the ResourceBundle to use to get the display names |
|
2156 |
* @return an array of display names, possible of zero length. |
|
2157 |
*/ |
|
15260 | 2158 |
private String[] getDisplayVariantArray(Locale inLocale) { |
2 | 2159 |
// Split the variant name into tokens separated by '_'. |
9224 | 2160 |
StringTokenizer tokenizer = new StringTokenizer(baseLocale.getVariant(), "_"); |
2 | 2161 |
String[] names = new String[tokenizer.countTokens()]; |
2162 |
||
2163 |
// For each variant token, lookup the display name. If |
|
2164 |
// not found, use the variant name itself. |
|
2165 |
for (int i=0; i<names.length; ++i) { |
|
48251
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
2166 |
names[i] = getDisplayString(tokenizer.nextToken(), null, |
2 | 2167 |
inLocale, DISPLAY_VARIANT); |
2168 |
} |
|
2169 |
||
2170 |
return names; |
|
2171 |
} |
|
2172 |
||
48251
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
2173 |
private String getDisplayKeyTypeExtensionString(String key, LocaleResources lr, Locale inLocale) { |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
2174 |
String type = localeExtensions.getUnicodeLocaleType(key); |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
2175 |
String ret = getDisplayString(type, key, inLocale, DISPLAY_UEXT_TYPE); |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
2176 |
|
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
2177 |
if (ret == null || ret.equals(type)) { |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
2178 |
// no localization for this type. try combining key/type separately |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
2179 |
String displayType = type; |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
2180 |
switch (key) { |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
2181 |
case "cu": |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
2182 |
displayType = lr.getCurrencyName(type.toLowerCase(Locale.ROOT)); |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
2183 |
break; |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
2184 |
case "rg": |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
2185 |
if (type != null && |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
2186 |
// UN M.49 code should not be allowed here |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
2187 |
type.matches("^[a-zA-Z]{2}[zZ]{4}$")) { |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
2188 |
displayType = lr.getLocaleName(type.substring(0, 2).toUpperCase(Locale.ROOT)); |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
2189 |
} |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
2190 |
break; |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
2191 |
case "tz": |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
2192 |
displayType = TimeZoneNameUtility.retrieveGenericDisplayName( |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
2193 |
TimeZoneNameUtility.convertLDMLShortID(type).orElse(type), |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
2194 |
TimeZone.LONG, inLocale); |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
2195 |
break; |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
2196 |
} |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
2197 |
ret = MessageFormat.format(lr.getLocaleName("ListKeyTypePattern"), |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
2198 |
getDisplayString(key, null, inLocale, DISPLAY_UEXT_KEY), |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
2199 |
Optional.ofNullable(displayType).orElse(type)); |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
2200 |
} |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
2201 |
|
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
2202 |
return ret; |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
2203 |
} |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
2204 |
|
2 | 2205 |
/** |
2206 |
* Format a list using given pattern strings. |
|
2207 |
* If either of the patterns is null, then a the list is |
|
2208 |
* formatted by concatenation with the delimiter ','. |
|
2209 |
* @param stringList the list of strings to be formatted. |
|
2210 |
* and formatting them into a list. |
|
48251
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
2211 |
* @param pattern should take 2 arguments for reduction |
2 | 2212 |
* @return a string representing the list. |
2213 |
*/ |
|
48251
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
2214 |
private static String formatList(String[] stringList, String pattern) { |
2 | 2215 |
// If we have no list patterns, compose the list in a simple, |
2216 |
// non-localized way. |
|
48251
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
2217 |
if (pattern == null) { |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
2218 |
return Arrays.stream(stringList).collect(Collectors.joining(",")); |
2 | 2219 |
} |
2220 |
||
48251
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
2221 |
switch (stringList.length) { |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
2222 |
case 0: |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
2223 |
return ""; |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
2224 |
case 1: |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
2225 |
return stringList[0]; |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
2226 |
default: |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
2227 |
return Arrays.stream(stringList).reduce("", |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
2228 |
(s1, s2) -> { |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
2229 |
if (s1.equals("")) { |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
2230 |
return s2; |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
2231 |
} |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
2232 |
if (s2.equals("")) { |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
2233 |
return s1; |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
2234 |
} |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
2235 |
return MessageFormat.format(pattern, s1, s2); |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
2236 |
}); |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
2237 |
} |
2 | 2238 |
} |
2239 |
||
13583 | 2240 |
// Duplicate of sun.util.locale.UnicodeLocaleExtension.isKey in order to |
2241 |
// avoid its class loading. |
|
2242 |
private static boolean isUnicodeExtensionKey(String s) { |
|
2243 |
// 2alphanum |
|
2244 |
return (s.length() == 2) && LocaleUtils.isAlphaNumericString(s); |
|
2245 |
} |
|
2246 |
||
2 | 2247 |
/** |
6501 | 2248 |
* @serialField language String |
2249 |
* language subtag in lower case. (See <a href="java/util/Locale.html#getLanguage()">getLanguage()</a>) |
|
2250 |
* @serialField country String |
|
2251 |
* country subtag in upper case. (See <a href="java/util/Locale.html#getCountry()">getCountry()</a>) |
|
2252 |
* @serialField variant String |
|
2253 |
* variant subtags separated by LOWLINE characters. (See <a href="java/util/Locale.html#getVariant()">getVariant()</a>) |
|
2254 |
* @serialField hashcode int |
|
6840
51af1a50aec6
6991013: Serialized form for java.util.Locale contains typos
naoto
parents:
6655
diff
changeset
|
2255 |
* deprecated, for forward compatibility only |
6501 | 2256 |
* @serialField script String |
2257 |
* script subtag in title case (See <a href="java/util/Locale.html#getScript()">getScript()</a>) |
|
2258 |
* @serialField extensions String |
|
2259 |
* canonical representation of extensions, that is, |
|
2260 |
* BCP47 extensions in alphabetical order followed by |
|
2261 |
* BCP47 private use subtags, all in lower case letters |
|
2262 |
* separated by HYPHEN-MINUS characters. |
|
2263 |
* (See <a href="java/util/Locale.html#getExtensionKeys()">getExtensionKeys()</a>, |
|
2264 |
* <a href="java/util/Locale.html#getExtension(char)">getExtension(char)</a>) |
|
2265 |
*/ |
|
2266 |
private static final ObjectStreamField[] serialPersistentFields = { |
|
2267 |
new ObjectStreamField("language", String.class), |
|
2268 |
new ObjectStreamField("country", String.class), |
|
2269 |
new ObjectStreamField("variant", String.class), |
|
2270 |
new ObjectStreamField("hashcode", int.class), |
|
2271 |
new ObjectStreamField("script", String.class), |
|
2272 |
new ObjectStreamField("extensions", String.class), |
|
2273 |
}; |
|
2274 |
||
2275 |
/** |
|
2276 |
* Serializes this <code>Locale</code> to the specified <code>ObjectOutputStream</code>. |
|
2277 |
* @param out the <code>ObjectOutputStream</code> to write |
|
2278 |
* @throws IOException |
|
2279 |
* @since 1.7 |
|
2280 |
*/ |
|
2281 |
private void writeObject(ObjectOutputStream out) throws IOException { |
|
2282 |
ObjectOutputStream.PutField fields = out.putFields(); |
|
9224 | 2283 |
fields.put("language", baseLocale.getLanguage()); |
2284 |
fields.put("script", baseLocale.getScript()); |
|
2285 |
fields.put("country", baseLocale.getRegion()); |
|
2286 |
fields.put("variant", baseLocale.getVariant()); |
|
2287 |
fields.put("extensions", localeExtensions == null ? "" : localeExtensions.getID()); |
|
6501 | 2288 |
fields.put("hashcode", -1); // place holder just for backward support |
2289 |
out.writeFields(); |
|
2290 |
} |
|
2291 |
||
2292 |
/** |
|
6840
51af1a50aec6
6991013: Serialized form for java.util.Locale contains typos
naoto
parents:
6655
diff
changeset
|
2293 |
* Deserializes this <code>Locale</code>. |
6501 | 2294 |
* @param in the <code>ObjectInputStream</code> to read |
2295 |
* @throws IOException |
|
2296 |
* @throws ClassNotFoundException |
|
14014 | 2297 |
* @throws IllformedLocaleException |
6501 | 2298 |
* @since 1.7 |
2299 |
*/ |
|
2300 |
private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException { |
|
2301 |
ObjectInputStream.GetField fields = in.readFields(); |
|
2302 |
String language = (String)fields.get("language", ""); |
|
2303 |
String script = (String)fields.get("script", ""); |
|
2304 |
String country = (String)fields.get("country", ""); |
|
2305 |
String variant = (String)fields.get("variant", ""); |
|
2306 |
String extStr = (String)fields.get("extensions", ""); |
|
9224 | 2307 |
baseLocale = BaseLocale.getInstance(convertOldISOCodes(language), script, country, variant); |
2308 |
if (extStr.length() > 0) { |
|
2309 |
try { |
|
2310 |
InternalLocaleBuilder bldr = new InternalLocaleBuilder(); |
|
2311 |
bldr.setExtensions(extStr); |
|
2312 |
localeExtensions = bldr.getLocaleExtensions(); |
|
2313 |
} catch (LocaleSyntaxException e) { |
|
2314 |
throw new IllformedLocaleException(e.getMessage()); |
|
2315 |
} |
|
2316 |
} else { |
|
2317 |
localeExtensions = null; |
|
6501 | 2318 |
} |
2319 |
} |
|
2320 |
||
2321 |
/** |
|
2322 |
* Returns a cached <code>Locale</code> instance equivalent to |
|
2323 |
* the deserialized <code>Locale</code>. When serialized |
|
2324 |
* language, country and variant fields read from the object data stream |
|
2325 |
* are exactly "ja", "JP", "JP" or "th", "TH", "TH" and script/extensions |
|
2326 |
* fields are empty, this method supplies <code>UNICODE_LOCALE_EXTENSION</code> |
|
2327 |
* "ca"/"japanese" (calendar type is "japanese") or "nu"/"thai" (number script |
|
21334 | 2328 |
* type is "thai"). See <a href="Locale.html#special_cases_constructor">Special Cases</a> |
6501 | 2329 |
* for more information. |
2330 |
* |
|
2331 |
* @return an instance of <code>Locale</code> equivalent to |
|
2332 |
* the deserialized <code>Locale</code>. |
|
2333 |
* @throws java.io.ObjectStreamException |
|
2 | 2334 |
*/ |
2335 |
private Object readResolve() throws java.io.ObjectStreamException { |
|
9224 | 2336 |
return getInstance(baseLocale.getLanguage(), baseLocale.getScript(), |
2337 |
baseLocale.getRegion(), baseLocale.getVariant(), localeExtensions); |
|
2 | 2338 |
} |
2339 |
||
34774
03b4e6dc367b
8145680: Remove unnecessary explicit initialization of volatile variables in java.base
redestad
parents:
34532
diff
changeset
|
2340 |
private static volatile String[] isoLanguages; |
2 | 2341 |
|
34774
03b4e6dc367b
8145680: Remove unnecessary explicit initialization of volatile variables in java.base
redestad
parents:
34532
diff
changeset
|
2342 |
private static volatile String[] isoCountries; |
2 | 2343 |
|
6501 | 2344 |
private static String convertOldISOCodes(String language) { |
2 | 2345 |
// we accept both the old and the new ISO codes for the languages whose ISO |
2346 |
// codes have changed, but we always store the OLD code, for backward compatibility |
|
9224 | 2347 |
language = LocaleUtils.toLowerString(language).intern(); |
2 | 2348 |
if (language == "he") { |
2349 |
return "iw"; |
|
2350 |
} else if (language == "yi") { |
|
2351 |
return "ji"; |
|
2352 |
} else if (language == "id") { |
|
2353 |
return "in"; |
|
2354 |
} else { |
|
2355 |
return language; |
|
2356 |
} |
|
2357 |
} |
|
2358 |
||
9224 | 2359 |
private static LocaleExtensions getCompatibilityExtensions(String language, |
2360 |
String script, |
|
2361 |
String country, |
|
2362 |
String variant) { |
|
2363 |
LocaleExtensions extensions = null; |
|
6501 | 2364 |
// Special cases for backward compatibility support |
9224 | 2365 |
if (LocaleUtils.caseIgnoreMatch(language, "ja") |
6501 | 2366 |
&& script.length() == 0 |
9224 | 2367 |
&& LocaleUtils.caseIgnoreMatch(country, "jp") |
2368 |
&& "JP".equals(variant)) { |
|
6501 | 2369 |
// ja_JP_JP -> u-ca-japanese (calendar = japanese) |
2370 |
extensions = LocaleExtensions.CALENDAR_JAPANESE; |
|
9224 | 2371 |
} else if (LocaleUtils.caseIgnoreMatch(language, "th") |
6501 | 2372 |
&& script.length() == 0 |
9224 | 2373 |
&& LocaleUtils.caseIgnoreMatch(country, "th") |
2374 |
&& "TH".equals(variant)) { |
|
6501 | 2375 |
// th_TH_TH -> u-nu-thai (numbersystem = thai) |
2376 |
extensions = LocaleExtensions.NUMBER_THAI; |
|
2377 |
} |
|
2378 |
return extensions; |
|
2379 |
} |
|
2380 |
||
2 | 2381 |
/** |
2382 |
* Obtains a localized locale names from a LocaleNameProvider |
|
2383 |
* implementation. |
|
2384 |
*/ |
|
2385 |
private static class LocaleNameGetter |
|
2386 |
implements LocaleServiceProviderPool.LocalizedObjectGetter<LocaleNameProvider, String> { |
|
2387 |
private static final LocaleNameGetter INSTANCE = new LocaleNameGetter(); |
|
2388 |
||
13583 | 2389 |
@Override |
2 | 2390 |
public String getObject(LocaleNameProvider localeNameProvider, |
2391 |
Locale locale, |
|
2392 |
String key, |
|
2393 |
Object... params) { |
|
48251
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
2394 |
assert params.length == 3; |
2 | 2395 |
int type = (Integer)params[0]; |
2396 |
String code = (String)params[1]; |
|
48251
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
2397 |
String cat = (String)params[2]; |
2 | 2398 |
|
2399 |
switch(type) { |
|
2400 |
case DISPLAY_LANGUAGE: |
|
2401 |
return localeNameProvider.getDisplayLanguage(code, locale); |
|
2402 |
case DISPLAY_COUNTRY: |
|
2403 |
return localeNameProvider.getDisplayCountry(code, locale); |
|
2404 |
case DISPLAY_VARIANT: |
|
2405 |
return localeNameProvider.getDisplayVariant(code, locale); |
|
6501 | 2406 |
case DISPLAY_SCRIPT: |
2407 |
return localeNameProvider.getDisplayScript(code, locale); |
|
48251
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
2408 |
case DISPLAY_UEXT_KEY: |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
2409 |
return localeNameProvider.getDisplayUnicodeExtensionKey(code, locale); |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
2410 |
case DISPLAY_UEXT_TYPE: |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
2411 |
return localeNameProvider.getDisplayUnicodeExtensionType(code, cat, locale); |
2 | 2412 |
default: |
2413 |
assert false; // shouldn't happen |
|
2414 |
} |
|
2415 |
||
2416 |
return null; |
|
2417 |
} |
|
2418 |
} |
|
6489
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
2419 |
|
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
2420 |
/** |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
2421 |
* Enum for locale categories. These locale categories are used to get/set |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
2422 |
* the default locale for the specific functionality represented by the |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
2423 |
* category. |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
2424 |
* |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
2425 |
* @see #getDefault(Locale.Category) |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
2426 |
* @see #setDefault(Locale.Category, Locale) |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
2427 |
* @since 1.7 |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
2428 |
*/ |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
2429 |
public enum Category { |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
2430 |
|
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
2431 |
/** |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
2432 |
* Category used to represent the default locale for |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
2433 |
* displaying user interfaces. |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
2434 |
*/ |
7017 | 2435 |
DISPLAY("user.language.display", |
2436 |
"user.script.display", |
|
2437 |
"user.country.display", |
|
48251
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
2438 |
"user.variant.display", |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
2439 |
"user.extensions.display"), |
6489
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
2440 |
|
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
2441 |
/** |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
2442 |
* Category used to represent the default locale for |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
2443 |
* formatting dates, numbers, and/or currencies. |
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
2444 |
*/ |
7017 | 2445 |
FORMAT("user.language.format", |
2446 |
"user.script.format", |
|
2447 |
"user.country.format", |
|
48251
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
2448 |
"user.variant.format", |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
2449 |
"user.extensions.format"); |
7017 | 2450 |
|
48251
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
2451 |
Category(String languageKey, String scriptKey, String countryKey, |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
2452 |
String variantKey, String extensionsKey) { |
7017 | 2453 |
this.languageKey = languageKey; |
2454 |
this.scriptKey = scriptKey; |
|
2455 |
this.countryKey = countryKey; |
|
2456 |
this.variantKey = variantKey; |
|
48251
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
2457 |
this.extensionsKey = extensionsKey; |
7017 | 2458 |
} |
2459 |
||
2460 |
final String languageKey; |
|
2461 |
final String scriptKey; |
|
2462 |
final String countryKey; |
|
2463 |
final String variantKey; |
|
48251
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47471
diff
changeset
|
2464 |
final String extensionsKey; |
6489
9e7015635425
4700857: RFE: separating user locale and user interface locale
naoto
parents:
5506
diff
changeset
|
2465 |
} |
6501 | 2466 |
|
2467 |
/** |
|
2468 |
* <code>Builder</code> is used to build instances of <code>Locale</code> |
|
2469 |
* from values configured by the setters. Unlike the <code>Locale</code> |
|
2470 |
* constructors, the <code>Builder</code> checks if a value configured by a |
|
2471 |
* setter satisfies the syntax requirements defined by the <code>Locale</code> |
|
2472 |
* class. A <code>Locale</code> object created by a <code>Builder</code> is |
|
2473 |
* well-formed and can be transformed to a well-formed IETF BCP 47 language tag |
|
2474 |
* without losing information. |
|
2475 |
* |
|
2476 |
* <p><b>Note:</b> The <code>Locale</code> class does not provide any |
|
2477 |
* syntactic restrictions on variant, while BCP 47 requires each variant |
|
2478 |
* subtag to be 5 to 8 alphanumerics or a single numeric followed by 3 |
|
2479 |
* alphanumerics. The method <code>setVariant</code> throws |
|
2480 |
* <code>IllformedLocaleException</code> for a variant that does not satisfy |
|
2481 |
* this restriction. If it is necessary to support such a variant, use a |
|
2482 |
* Locale constructor. However, keep in mind that a <code>Locale</code> |
|
2483 |
* object created this way might lose the variant information when |
|
2484 |
* transformed to a BCP 47 language tag. |
|
2485 |
* |
|
2486 |
* <p>The following example shows how to create a <code>Locale</code> object |
|
2487 |
* with the <code>Builder</code>. |
|
2488 |
* <blockquote> |
|
2489 |
* <pre> |
|
2490 |
* Locale aLocale = new Builder().setLanguage("sr").setScript("Latn").setRegion("RS").build(); |
|
2491 |
* </pre> |
|
2492 |
* </blockquote> |
|
2493 |
* |
|
2494 |
* <p>Builders can be reused; <code>clear()</code> resets all |
|
2495 |
* fields to their default values. |
|
2496 |
* |
|
2497 |
* @see Locale#forLanguageTag |
|
2498 |
* @since 1.7 |
|
2499 |
*/ |
|
2500 |
public static final class Builder { |
|
9224 | 2501 |
private final InternalLocaleBuilder localeBuilder; |
6501 | 2502 |
|
2503 |
/** |
|
2504 |
* Constructs an empty Builder. The default value of all |
|
2505 |
* fields, extensions, and private use information is the |
|
2506 |
* empty string. |
|
2507 |
*/ |
|
2508 |
public Builder() { |
|
9224 | 2509 |
localeBuilder = new InternalLocaleBuilder(); |
6501 | 2510 |
} |
2511 |
||
2512 |
/** |
|
2513 |
* Resets the <code>Builder</code> to match the provided |
|
2514 |
* <code>locale</code>. Existing state is discarded. |
|
2515 |
* |
|
2516 |
* <p>All fields of the locale must be well-formed, see {@link Locale}. |
|
2517 |
* |
|
2518 |
* <p>Locales with any ill-formed fields cause |
|
2519 |
* <code>IllformedLocaleException</code> to be thrown, except for the |
|
2520 |
* following three cases which are accepted for compatibility |
|
2521 |
* reasons:<ul> |
|
2522 |
* <li>Locale("ja", "JP", "JP") is treated as "ja-JP-u-ca-japanese" |
|
2523 |
* <li>Locale("th", "TH", "TH") is treated as "th-TH-u-nu-thai" |
|
2524 |
* <li>Locale("no", "NO", "NY") is treated as "nn-NO"</ul> |
|
2525 |
* |
|
2526 |
* @param locale the locale |
|
2527 |
* @return This builder. |
|
2528 |
* @throws IllformedLocaleException if <code>locale</code> has |
|
2529 |
* any ill-formed fields. |
|
2530 |
* @throws NullPointerException if <code>locale</code> is null. |
|
2531 |
*/ |
|
2532 |
public Builder setLocale(Locale locale) { |
|
2533 |
try { |
|
9224 | 2534 |
localeBuilder.setLocale(locale.baseLocale, locale.localeExtensions); |
6501 | 2535 |
} catch (LocaleSyntaxException e) { |
2536 |
throw new IllformedLocaleException(e.getMessage(), e.getErrorIndex()); |
|
2537 |
} |
|
2538 |
return this; |
|
2539 |
} |
|
2540 |
||
2541 |
/** |
|
2542 |
* Resets the Builder to match the provided IETF BCP 47 |
|
2543 |
* language tag. Discards the existing state. Null and the |
|
2544 |
* empty string cause the builder to be reset, like {@link |
|
2545 |
* #clear}. Grandfathered tags (see {@link |
|
2546 |
* Locale#forLanguageTag}) are converted to their canonical |
|
2547 |
* form before being processed. Otherwise, the language tag |
|
2548 |
* must be well-formed (see {@link Locale}) or an exception is |
|
2549 |
* thrown (unlike <code>Locale.forLanguageTag</code>, which |
|
2550 |
* just discards ill-formed and following portions of the |
|
2551 |
* tag). |
|
2552 |
* |
|
2553 |
* @param languageTag the language tag |
|
2554 |
* @return This builder. |
|
2555 |
* @throws IllformedLocaleException if <code>languageTag</code> is ill-formed |
|
2556 |
* @see Locale#forLanguageTag(String) |
|
2557 |
*/ |
|
2558 |
public Builder setLanguageTag(String languageTag) { |
|
2559 |
ParseStatus sts = new ParseStatus(); |
|
2560 |
LanguageTag tag = LanguageTag.parse(languageTag, sts); |
|
2561 |
if (sts.isError()) { |
|
2562 |
throw new IllformedLocaleException(sts.getErrorMessage(), sts.getErrorIndex()); |
|
2563 |
} |
|
9224 | 2564 |
localeBuilder.setLanguageTag(tag); |
6501 | 2565 |
return this; |
2566 |
} |
|
2567 |
||
2568 |
/** |
|
2569 |
* Sets the language. If <code>language</code> is the empty string or |
|
2570 |
* null, the language in this <code>Builder</code> is removed. Otherwise, |
|
2571 |
* the language must be <a href="./Locale.html#def_language">well-formed</a> |
|
2572 |
* or an exception is thrown. |
|
2573 |
* |
|
2574 |
* <p>The typical language value is a two or three-letter language |
|
2575 |
* code as defined in ISO639. |
|
2576 |
* |
|
2577 |
* @param language the language |
|
2578 |
* @return This builder. |
|
2579 |
* @throws IllformedLocaleException if <code>language</code> is ill-formed |
|
2580 |
*/ |
|
2581 |
public Builder setLanguage(String language) { |
|
2582 |
try { |
|
9224 | 2583 |
localeBuilder.setLanguage(language); |
6501 | 2584 |
} catch (LocaleSyntaxException e) { |
2585 |
throw new IllformedLocaleException(e.getMessage(), e.getErrorIndex()); |
|
2586 |
} |
|
2587 |
return this; |
|
2588 |
} |
|
2589 |
||
2590 |
/** |
|
2591 |
* Sets the script. If <code>script</code> is null or the empty string, |
|
2592 |
* the script in this <code>Builder</code> is removed. |
|
2593 |
* Otherwise, the script must be <a href="./Locale.html#def_script">well-formed</a> or an |
|
2594 |
* exception is thrown. |
|
2595 |
* |
|
2596 |
* <p>The typical script value is a four-letter script code as defined by ISO 15924. |
|
2597 |
* |
|
2598 |
* @param script the script |
|
2599 |
* @return This builder. |
|
2600 |
* @throws IllformedLocaleException if <code>script</code> is ill-formed |
|
2601 |
*/ |
|
2602 |
public Builder setScript(String script) { |
|
2603 |
try { |
|
9224 | 2604 |
localeBuilder.setScript(script); |
6501 | 2605 |
} catch (LocaleSyntaxException e) { |
2606 |
throw new IllformedLocaleException(e.getMessage(), e.getErrorIndex()); |
|
2607 |
} |
|
2608 |
return this; |
|
2609 |
} |
|
2610 |
||
2611 |
/** |
|
2612 |
* Sets the region. If region is null or the empty string, the region |
|
2613 |
* in this <code>Builder</code> is removed. Otherwise, |
|
2614 |
* the region must be <a href="./Locale.html#def_region">well-formed</a> or an |
|
2615 |
* exception is thrown. |
|
2616 |
* |
|
2617 |
* <p>The typical region value is a two-letter ISO 3166 code or a |
|
2618 |
* three-digit UN M.49 area code. |
|
2619 |
* |
|
2620 |
* <p>The country value in the <code>Locale</code> created by the |
|
2621 |
* <code>Builder</code> is always normalized to upper case. |
|
2622 |
* |
|
2623 |
* @param region the region |
|
2624 |
* @return This builder. |
|
2625 |
* @throws IllformedLocaleException if <code>region</code> is ill-formed |
|
2626 |
*/ |
|
2627 |
public Builder setRegion(String region) { |
|
2628 |
try { |
|
9224 | 2629 |
localeBuilder.setRegion(region); |
6501 | 2630 |
} catch (LocaleSyntaxException e) { |
2631 |
throw new IllformedLocaleException(e.getMessage(), e.getErrorIndex()); |
|
2632 |
} |
|
2633 |
return this; |
|
2634 |
} |
|
2635 |
||
2636 |
/** |
|
2637 |
* Sets the variant. If variant is null or the empty string, the |
|
2638 |
* variant in this <code>Builder</code> is removed. Otherwise, it |
|
2639 |
* must consist of one or more <a href="./Locale.html#def_variant">well-formed</a> |
|
2640 |
* subtags, or an exception is thrown. |
|
2641 |
* |
|
2642 |
* <p><b>Note:</b> This method checks if <code>variant</code> |
|
2643 |
* satisfies the IETF BCP 47 variant subtag's syntax requirements, |
|
2644 |
* and normalizes the value to lowercase letters. However, |
|
2645 |
* the <code>Locale</code> class does not impose any syntactic |
|
2646 |
* restriction on variant, and the variant value in |
|
2647 |
* <code>Locale</code> is case sensitive. To set such a variant, |
|
2648 |
* use a Locale constructor. |
|
2649 |
* |
|
2650 |
* @param variant the variant |
|
2651 |
* @return This builder. |
|
2652 |
* @throws IllformedLocaleException if <code>variant</code> is ill-formed |
|
2653 |
*/ |
|
2654 |
public Builder setVariant(String variant) { |
|
2655 |
try { |
|
9224 | 2656 |
localeBuilder.setVariant(variant); |
6501 | 2657 |
} catch (LocaleSyntaxException e) { |
2658 |
throw new IllformedLocaleException(e.getMessage(), e.getErrorIndex()); |
|
2659 |
} |
|
2660 |
return this; |
|
2661 |
} |
|
2662 |
||
2663 |
/** |
|
2664 |
* Sets the extension for the given key. If the value is null or the |
|
2665 |
* empty string, the extension is removed. Otherwise, the extension |
|
2666 |
* must be <a href="./Locale.html#def_extensions">well-formed</a> or an exception |
|
2667 |
* is thrown. |
|
2668 |
* |
|
2669 |
* <p><b>Note:</b> The key {@link Locale#UNICODE_LOCALE_EXTENSION |
|
2670 |
* UNICODE_LOCALE_EXTENSION} ('u') is used for the Unicode locale extension. |
|
2671 |
* Setting a value for this key replaces any existing Unicode locale key/type |
|
2672 |
* pairs with those defined in the extension. |
|
2673 |
* |
|
2674 |
* <p><b>Note:</b> The key {@link Locale#PRIVATE_USE_EXTENSION |
|
2675 |
* PRIVATE_USE_EXTENSION} ('x') is used for the private use code. To be |
|
2676 |
* well-formed, the value for this key needs only to have subtags of one to |
|
2677 |
* eight alphanumeric characters, not two to eight as in the general case. |
|
2678 |
* |
|
2679 |
* @param key the extension key |
|
2680 |
* @param value the extension value |
|
2681 |
* @return This builder. |
|
2682 |
* @throws IllformedLocaleException if <code>key</code> is illegal |
|
2683 |
* or <code>value</code> is ill-formed |
|
2684 |
* @see #setUnicodeLocaleKeyword(String, String) |
|
2685 |
*/ |
|
2686 |
public Builder setExtension(char key, String value) { |
|
2687 |
try { |
|
9224 | 2688 |
localeBuilder.setExtension(key, value); |
6501 | 2689 |
} catch (LocaleSyntaxException e) { |
2690 |
throw new IllformedLocaleException(e.getMessage(), e.getErrorIndex()); |
|
2691 |
} |
|
2692 |
return this; |
|
2693 |
} |
|
2694 |
||
2695 |
/** |
|
2696 |
* Sets the Unicode locale keyword type for the given key. If the type |
|
2697 |
* is null, the Unicode keyword is removed. Otherwise, the key must be |
|
2698 |
* non-null and both key and type must be <a |
|
2699 |
* href="./Locale.html#def_locale_extension">well-formed</a> or an exception |
|
2700 |
* is thrown. |
|
2701 |
* |
|
2702 |
* <p>Keys and types are converted to lower case. |
|
2703 |
* |
|
2704 |
* <p><b>Note</b>:Setting the 'u' extension via {@link #setExtension} |
|
2705 |
* replaces all Unicode locale keywords with those defined in the |
|
2706 |
* extension. |
|
2707 |
* |
|
2708 |
* @param key the Unicode locale key |
|
2709 |
* @param type the Unicode locale type |
|
2710 |
* @return This builder. |
|
2711 |
* @throws IllformedLocaleException if <code>key</code> or <code>type</code> |
|
2712 |
* is ill-formed |
|
2713 |
* @throws NullPointerException if <code>key</code> is null |
|
2714 |
* @see #setExtension(char, String) |
|
2715 |
*/ |
|
2716 |
public Builder setUnicodeLocaleKeyword(String key, String type) { |
|
2717 |
try { |
|
9224 | 2718 |
localeBuilder.setUnicodeLocaleKeyword(key, type); |
6501 | 2719 |
} catch (LocaleSyntaxException e) { |
2720 |
throw new IllformedLocaleException(e.getMessage(), e.getErrorIndex()); |
|
2721 |
} |
|
2722 |
return this; |
|
2723 |
} |
|
2724 |
||
2725 |
/** |
|
2726 |
* Adds a unicode locale attribute, if not already present, otherwise |
|
2727 |
* has no effect. The attribute must not be null and must be <a |
|
2728 |
* href="./Locale.html#def_locale_extension">well-formed</a> or an exception |
|
2729 |
* is thrown. |
|
2730 |
* |
|
2731 |
* @param attribute the attribute |
|
2732 |
* @return This builder. |
|
2733 |
* @throws NullPointerException if <code>attribute</code> is null |
|
2734 |
* @throws IllformedLocaleException if <code>attribute</code> is ill-formed |
|
2735 |
* @see #setExtension(char, String) |
|
2736 |
*/ |
|
2737 |
public Builder addUnicodeLocaleAttribute(String attribute) { |
|
2738 |
try { |
|
9224 | 2739 |
localeBuilder.addUnicodeLocaleAttribute(attribute); |
6501 | 2740 |
} catch (LocaleSyntaxException e) { |
2741 |
throw new IllformedLocaleException(e.getMessage(), e.getErrorIndex()); |
|
2742 |
} |
|
2743 |
return this; |
|
2744 |
} |
|
2745 |
||
2746 |
/** |
|
2747 |
* Removes a unicode locale attribute, if present, otherwise has no |
|
2748 |
* effect. The attribute must not be null and must be <a |
|
2749 |
* href="./Locale.html#def_locale_extension">well-formed</a> or an exception |
|
2750 |
* is thrown. |
|
2751 |
* |
|
30655 | 2752 |
* <p>Attribute comparison for removal is case-insensitive. |
6501 | 2753 |
* |
2754 |
* @param attribute the attribute |
|
2755 |
* @return This builder. |
|
2756 |
* @throws NullPointerException if <code>attribute</code> is null |
|
2757 |
* @throws IllformedLocaleException if <code>attribute</code> is ill-formed |
|
2758 |
* @see #setExtension(char, String) |
|
2759 |
*/ |
|
2760 |
public Builder removeUnicodeLocaleAttribute(String attribute) { |
|
45377
13a0c766d059
8176853: Locale.Builder.removeUnicodeLocaleAttribute(null) should throw NullPointerException
naoto
parents:
45124
diff
changeset
|
2761 |
Objects.requireNonNull(attribute); |
6501 | 2762 |
try { |
9224 | 2763 |
localeBuilder.removeUnicodeLocaleAttribute(attribute); |
6501 | 2764 |
} catch (LocaleSyntaxException e) { |
2765 |
throw new IllformedLocaleException(e.getMessage(), e.getErrorIndex()); |
|
2766 |
} |
|
2767 |
return this; |
|
2768 |
} |
|
2769 |
||
2770 |
/** |
|
2771 |
* Resets the builder to its initial, empty state. |
|
2772 |
* |
|
2773 |
* @return This builder. |
|
2774 |
*/ |
|
2775 |
public Builder clear() { |
|
9224 | 2776 |
localeBuilder.clear(); |
6501 | 2777 |
return this; |
2778 |
} |
|
2779 |
||
2780 |
/** |
|
2781 |
* Resets the extensions to their initial, empty state. |
|
2782 |
* Language, script, region and variant are unchanged. |
|
2783 |
* |
|
2784 |
* @return This builder. |
|
2785 |
* @see #setExtension(char, String) |
|
2786 |
*/ |
|
2787 |
public Builder clearExtensions() { |
|
9224 | 2788 |
localeBuilder.clearExtensions(); |
6501 | 2789 |
return this; |
2790 |
} |
|
2791 |
||
2792 |
/** |
|
2793 |
* Returns an instance of <code>Locale</code> created from the fields set |
|
2794 |
* on this builder. |
|
2795 |
* |
|
2796 |
* <p>This applies the conversions listed in {@link Locale#forLanguageTag} |
|
2797 |
* when constructing a Locale. (Grandfathered tags are handled in |
|
2798 |
* {@link #setLanguageTag}.) |
|
2799 |
* |
|
2800 |
* @return A Locale. |
|
2801 |
*/ |
|
2802 |
public Locale build() { |
|
9224 | 2803 |
BaseLocale baseloc = localeBuilder.getBaseLocale(); |
2804 |
LocaleExtensions extensions = localeBuilder.getLocaleExtensions(); |
|
2805 |
if (extensions == null && baseloc.getVariant().length() > 0) { |
|
7513
7091fccbc86d
7002320: Locale.forLanguageTag()/toLanguageTag() not working properly with ja_JP_JP locale
naoto
parents:
7508
diff
changeset
|
2806 |
extensions = getCompatibilityExtensions(baseloc.getLanguage(), baseloc.getScript(), |
7091fccbc86d
7002320: Locale.forLanguageTag()/toLanguageTag() not working properly with ja_JP_JP locale
naoto
parents:
7508
diff
changeset
|
2807 |
baseloc.getRegion(), baseloc.getVariant()); |
7091fccbc86d
7002320: Locale.forLanguageTag()/toLanguageTag() not working properly with ja_JP_JP locale
naoto
parents:
7508
diff
changeset
|
2808 |
} |
6501 | 2809 |
return Locale.getInstance(baseloc, extensions); |
2810 |
} |
|
2811 |
} |
|
14009 | 2812 |
|
2813 |
/** |
|
2814 |
* This enum provides constants to select a filtering mode for locale |
|
2815 |
* matching. Refer to <a href="http://tools.ietf.org/html/rfc4647">RFC 4647 |
|
2816 |
* Matching of Language Tags</a> for details. |
|
2817 |
* |
|
2818 |
* <p>As an example, think of two Language Priority Lists each of which |
|
2819 |
* includes only one language range and a set of following language tags: |
|
2820 |
* |
|
2821 |
* <pre> |
|
2822 |
* de (German) |
|
2823 |
* de-DE (German, Germany) |
|
2824 |
* de-Deva (German, in Devanagari script) |
|
2825 |
* de-Deva-DE (German, in Devanagari script, Germany) |
|
2826 |
* de-DE-1996 (German, Germany, orthography of 1996) |
|
2827 |
* de-Latn-DE (German, in Latin script, Germany) |
|
2828 |
* de-Latn-DE-1996 (German, in Latin script, Germany, orthography of 1996) |
|
2829 |
* </pre> |
|
2830 |
* |
|
2831 |
* The filtering method will behave as follows: |
|
2832 |
* |
|
45124
144479e89cdb
8179592: Update tables in java.base to be HTML 5-friendly.
jjg
parents:
44846
diff
changeset
|
2833 |
* <table class="striped"> |
144479e89cdb
8179592: Update tables in java.base to be HTML 5-friendly.
jjg
parents:
44846
diff
changeset
|
2834 |
* <caption>Filtering method behavior</caption> |
144479e89cdb
8179592: Update tables in java.base to be HTML 5-friendly.
jjg
parents:
44846
diff
changeset
|
2835 |
* <thead> |
14009 | 2836 |
* <tr> |
45881
aaec0fbe17ae
8184208: update class="striped" tables for accessibility
jjg
parents:
45838
diff
changeset
|
2837 |
* <th scope="col">Filtering Mode</th> |
aaec0fbe17ae
8184208: update class="striped" tables for accessibility
jjg
parents:
45838
diff
changeset
|
2838 |
* <th scope="col">Language Priority List: {@code "de-DE"}</th> |
aaec0fbe17ae
8184208: update class="striped" tables for accessibility
jjg
parents:
45838
diff
changeset
|
2839 |
* <th scope="col">Language Priority List: {@code "de-*-DE"}</th> |
14009 | 2840 |
* </tr> |
45124
144479e89cdb
8179592: Update tables in java.base to be HTML 5-friendly.
jjg
parents:
44846
diff
changeset
|
2841 |
* </thead> |
144479e89cdb
8179592: Update tables in java.base to be HTML 5-friendly.
jjg
parents:
44846
diff
changeset
|
2842 |
* <tbody> |
14009 | 2843 |
* <tr> |
45881
aaec0fbe17ae
8184208: update class="striped" tables for accessibility
jjg
parents:
45838
diff
changeset
|
2844 |
* <th scope="row" style="vertical-align:top"> |
14009 | 2845 |
* {@link FilteringMode#AUTOSELECT_FILTERING AUTOSELECT_FILTERING} |
45881
aaec0fbe17ae
8184208: update class="striped" tables for accessibility
jjg
parents:
45838
diff
changeset
|
2846 |
* </th> |
44846
b3f9f5bf40b2
8179367: update use of align, valign attributes in java.base to use style attribute
jjg
parents:
44844
diff
changeset
|
2847 |
* <td style="vertical-align:top"> |
14009 | 2848 |
* Performs <em>basic</em> filtering and returns {@code "de-DE"} and |
2849 |
* {@code "de-DE-1996"}. |
|
2850 |
* </td> |
|
44846
b3f9f5bf40b2
8179367: update use of align, valign attributes in java.base to use style attribute
jjg
parents:
44844
diff
changeset
|
2851 |
* <td style="vertical-align:top"> |
14009 | 2852 |
* Performs <em>extended</em> filtering and returns {@code "de-DE"}, |
2853 |
* {@code "de-Deva-DE"}, {@code "de-DE-1996"}, {@code "de-Latn-DE"}, and |
|
2854 |
* {@code "de-Latn-DE-1996"}. |
|
2855 |
* </td> |
|
2856 |
* </tr> |
|
2857 |
* <tr> |
|
45881
aaec0fbe17ae
8184208: update class="striped" tables for accessibility
jjg
parents:
45838
diff
changeset
|
2858 |
* <th scope="row" style="vertical-align:top"> |
14009 | 2859 |
* {@link FilteringMode#EXTENDED_FILTERING EXTENDED_FILTERING} |
45881
aaec0fbe17ae
8184208: update class="striped" tables for accessibility
jjg
parents:
45838
diff
changeset
|
2860 |
* </th> |
44846
b3f9f5bf40b2
8179367: update use of align, valign attributes in java.base to use style attribute
jjg
parents:
44844
diff
changeset
|
2861 |
* <td style="vertical-align:top"> |
14009 | 2862 |
* Performs <em>extended</em> filtering and returns {@code "de-DE"}, |
2863 |
* {@code "de-Deva-DE"}, {@code "de-DE-1996"}, {@code "de-Latn-DE"}, and |
|
2864 |
* {@code "de-Latn-DE-1996"}. |
|
2865 |
* </td> |
|
44846
b3f9f5bf40b2
8179367: update use of align, valign attributes in java.base to use style attribute
jjg
parents:
44844
diff
changeset
|
2866 |
* <td style="vertical-align:top">Same as above.</td> |
14009 | 2867 |
* </tr> |
2868 |
* <tr> |
|
45881
aaec0fbe17ae
8184208: update class="striped" tables for accessibility
jjg
parents:
45838
diff
changeset
|
2869 |
* <th scope="row" style="vertical-align:top"> |
14009 | 2870 |
* {@link FilteringMode#IGNORE_EXTENDED_RANGES IGNORE_EXTENDED_RANGES} |
45881
aaec0fbe17ae
8184208: update class="striped" tables for accessibility
jjg
parents:
45838
diff
changeset
|
2871 |
* </th> |
44846
b3f9f5bf40b2
8179367: update use of align, valign attributes in java.base to use style attribute
jjg
parents:
44844
diff
changeset
|
2872 |
* <td style="vertical-align:top"> |
14009 | 2873 |
* Performs <em>basic</em> filtering and returns {@code "de-DE"} and |
2874 |
* {@code "de-DE-1996"}. |
|
2875 |
* </td> |
|
44846
b3f9f5bf40b2
8179367: update use of align, valign attributes in java.base to use style attribute
jjg
parents:
44844
diff
changeset
|
2876 |
* <td style="vertical-align:top"> |
14009 | 2877 |
* Performs <em>basic</em> filtering and returns {@code null} because |
2878 |
* nothing matches. |
|
2879 |
* </td> |
|
2880 |
* </tr> |
|
2881 |
* <tr> |
|
45881
aaec0fbe17ae
8184208: update class="striped" tables for accessibility
jjg
parents:
45838
diff
changeset
|
2882 |
* <th scope="row" style="vertical-align:top"> |
14009 | 2883 |
* {@link FilteringMode#MAP_EXTENDED_RANGES MAP_EXTENDED_RANGES} |
45881
aaec0fbe17ae
8184208: update class="striped" tables for accessibility
jjg
parents:
45838
diff
changeset
|
2884 |
* </th> |
44846
b3f9f5bf40b2
8179367: update use of align, valign attributes in java.base to use style attribute
jjg
parents:
44844
diff
changeset
|
2885 |
* <td style="vertical-align:top">Same as above.</td> |
b3f9f5bf40b2
8179367: update use of align, valign attributes in java.base to use style attribute
jjg
parents:
44844
diff
changeset
|
2886 |
* <td style="vertical-align:top"> |
14009 | 2887 |
* Performs <em>basic</em> filtering and returns {@code "de-DE"} and |
2888 |
* {@code "de-DE-1996"} because {@code "de-*-DE"} is mapped to |
|
2889 |
* {@code "de-DE"}. |
|
2890 |
* </td> |
|
2891 |
* </tr> |
|
2892 |
* <tr> |
|
45881
aaec0fbe17ae
8184208: update class="striped" tables for accessibility
jjg
parents:
45838
diff
changeset
|
2893 |
* <th scope="row" style="vertical-align:top"> |
14009 | 2894 |
* {@link FilteringMode#REJECT_EXTENDED_RANGES REJECT_EXTENDED_RANGES} |
45881
aaec0fbe17ae
8184208: update class="striped" tables for accessibility
jjg
parents:
45838
diff
changeset
|
2895 |
* </th> |
44846
b3f9f5bf40b2
8179367: update use of align, valign attributes in java.base to use style attribute
jjg
parents:
44844
diff
changeset
|
2896 |
* <td style="vertical-align:top">Same as above.</td> |
b3f9f5bf40b2
8179367: update use of align, valign attributes in java.base to use style attribute
jjg
parents:
44844
diff
changeset
|
2897 |
* <td style="vertical-align:top"> |
14009 | 2898 |
* Throws {@link IllegalArgumentException} because {@code "de-*-DE"} is |
2899 |
* not a valid basic language range. |
|
2900 |
* </td> |
|
2901 |
* </tr> |
|
45124
144479e89cdb
8179592: Update tables in java.base to be HTML 5-friendly.
jjg
parents:
44846
diff
changeset
|
2902 |
* </tbody> |
14009 | 2903 |
* </table> |
2904 |
* |
|
2905 |
* @see #filter(List, Collection, FilteringMode) |
|
2906 |
* @see #filterTags(List, Collection, FilteringMode) |
|
2907 |
* |
|
2908 |
* @since 1.8 |
|
2909 |
*/ |
|
2910 |
public static enum FilteringMode { |
|
2911 |
/** |
|
2912 |
* Specifies automatic filtering mode based on the given Language |
|
2913 |
* Priority List consisting of language ranges. If all of the ranges |
|
2914 |
* are basic, basic filtering is selected. Otherwise, extended |
|
2915 |
* filtering is selected. |
|
2916 |
*/ |
|
2917 |
AUTOSELECT_FILTERING, |
|
2918 |
||
2919 |
/** |
|
2920 |
* Specifies extended filtering. |
|
2921 |
*/ |
|
2922 |
EXTENDED_FILTERING, |
|
2923 |
||
2924 |
/** |
|
2925 |
* Specifies basic filtering: Note that any extended language ranges |
|
2926 |
* included in the given Language Priority List are ignored. |
|
2927 |
*/ |
|
2928 |
IGNORE_EXTENDED_RANGES, |
|
2929 |
||
2930 |
/** |
|
2931 |
* Specifies basic filtering: If any extended language ranges are |
|
2932 |
* included in the given Language Priority List, they are mapped to the |
|
2933 |
* basic language range. Specifically, a language range starting with a |
|
2934 |
* subtag {@code "*"} is treated as a language range {@code "*"}. For |
|
2935 |
* example, {@code "*-US"} is treated as {@code "*"}. If {@code "*"} is |
|
2936 |
* not the first subtag, {@code "*"} and extra {@code "-"} are removed. |
|
2937 |
* For example, {@code "ja-*-JP"} is mapped to {@code "ja-JP"}. |
|
2938 |
*/ |
|
2939 |
MAP_EXTENDED_RANGES, |
|
2940 |
||
2941 |
/** |
|
2942 |
* Specifies basic filtering: If any extended language ranges are |
|
2943 |
* included in the given Language Priority List, the list is rejected |
|
2944 |
* and the filtering method throws {@link IllegalArgumentException}. |
|
2945 |
*/ |
|
2946 |
REJECT_EXTENDED_RANGES |
|
2947 |
}; |
|
2948 |
||
2949 |
/** |
|
2950 |
* This class expresses a <em>Language Range</em> defined in |
|
2951 |
* <a href="http://tools.ietf.org/html/rfc4647">RFC 4647 Matching of |
|
2952 |
* Language Tags</a>. A language range is an identifier which is used to |
|
2953 |
* select language tag(s) meeting specific requirements by using the |
|
2954 |
* mechanisms described in <a href="Locale.html#LocaleMatching">Locale |
|
2955 |
* Matching</a>. A list which represents a user's preferences and consists |
|
2956 |
* of language ranges is called a <em>Language Priority List</em>. |
|
2957 |
* |
|
2958 |
* <p>There are two types of language ranges: basic and extended. In RFC |
|
2959 |
* 4647, the syntax of language ranges is expressed in |
|
2960 |
* <a href="http://tools.ietf.org/html/rfc4234">ABNF</a> as follows: |
|
2961 |
* <blockquote> |
|
2962 |
* <pre> |
|
2963 |
* basic-language-range = (1*8ALPHA *("-" 1*8alphanum)) / "*" |
|
2964 |
* extended-language-range = (1*8ALPHA / "*") |
|
2965 |
* *("-" (1*8alphanum / "*")) |
|
2966 |
* alphanum = ALPHA / DIGIT |
|
2967 |
* </pre> |
|
2968 |
* </blockquote> |
|
2969 |
* For example, {@code "en"} (English), {@code "ja-JP"} (Japanese, Japan), |
|
2970 |
* {@code "*"} (special language range which matches any language tag) are |
|
2971 |
* basic language ranges, whereas {@code "*-CH"} (any languages, |
|
2972 |
* Switzerland), {@code "es-*"} (Spanish, any regions), and |
|
2973 |
* {@code "zh-Hant-*"} (Traditional Chinese, any regions) are extended |
|
2974 |
* language ranges. |
|
2975 |
* |
|
2976 |
* @see #filter |
|
2977 |
* @see #filterTags |
|
2978 |
* @see #lookup |
|
2979 |
* @see #lookupTag |
|
2980 |
* |
|
2981 |
* @since 1.8 |
|
2982 |
*/ |
|
2983 |
public static final class LanguageRange { |
|
2984 |
||
2985 |
/** |
|
2986 |
* A constant holding the maximum value of weight, 1.0, which indicates |
|
2987 |
* that the language range is a good fit for the user. |
|
2988 |
*/ |
|
2989 |
public static final double MAX_WEIGHT = 1.0; |
|
2990 |
||
2991 |
/** |
|
2992 |
* A constant holding the minimum value of weight, 0.0, which indicates |
|
2993 |
* that the language range is not a good fit for the user. |
|
2994 |
*/ |
|
2995 |
public static final double MIN_WEIGHT = 0.0; |
|
2996 |
||
2997 |
private final String range; |
|
2998 |
private final double weight; |
|
2999 |
||
34774
03b4e6dc367b
8145680: Remove unnecessary explicit initialization of volatile variables in java.base
redestad
parents:
34532
diff
changeset
|
3000 |
private volatile int hash; |
14009 | 3001 |
|
3002 |
/** |
|
3003 |
* Constructs a {@code LanguageRange} using the given {@code range}. |
|
3004 |
* Note that no validation is done against the IANA Language Subtag |
|
3005 |
* Registry at time of construction. |
|
3006 |
* |
|
3007 |
* <p>This is equivalent to {@code LanguageRange(range, MAX_WEIGHT)}. |
|
3008 |
* |
|
3009 |
* @param range a language range |
|
3010 |
* @throws NullPointerException if the given {@code range} is |
|
3011 |
* {@code null} |
|
38860
3d557a5713eb
8047780: [Doc] Locale.LanguageRange() throws an undocumented IAE when range is ill-formed.
nishjain
parents:
38739
diff
changeset
|
3012 |
* @throws IllegalArgumentException if the given {@code range} does not |
3d557a5713eb
8047780: [Doc] Locale.LanguageRange() throws an undocumented IAE when range is ill-formed.
nishjain
parents:
38739
diff
changeset
|
3013 |
* comply with the syntax of the language range mentioned in RFC 4647 |
14009 | 3014 |
*/ |
3015 |
public LanguageRange(String range) { |
|
3016 |
this(range, MAX_WEIGHT); |
|
3017 |
} |
|
3018 |
||
3019 |
/** |
|
3020 |
* Constructs a {@code LanguageRange} using the given {@code range} and |
|
3021 |
* {@code weight}. Note that no validation is done against the IANA |
|
3022 |
* Language Subtag Registry at time of construction. |
|
3023 |
* |
|
3024 |
* @param range a language range |
|
3025 |
* @param weight a weight value between {@code MIN_WEIGHT} and |
|
3026 |
* {@code MAX_WEIGHT} |
|
3027 |
* @throws NullPointerException if the given {@code range} is |
|
3028 |
* {@code null} |
|
38860
3d557a5713eb
8047780: [Doc] Locale.LanguageRange() throws an undocumented IAE when range is ill-formed.
nishjain
parents:
38739
diff
changeset
|
3029 |
* @throws IllegalArgumentException if the given {@code range} does not |
3d557a5713eb
8047780: [Doc] Locale.LanguageRange() throws an undocumented IAE when range is ill-formed.
nishjain
parents:
38739
diff
changeset
|
3030 |
* comply with the syntax of the language range mentioned in RFC 4647 |
3d557a5713eb
8047780: [Doc] Locale.LanguageRange() throws an undocumented IAE when range is ill-formed.
nishjain
parents:
38739
diff
changeset
|
3031 |
* or if the given {@code weight} is less than {@code MIN_WEIGHT} |
3d557a5713eb
8047780: [Doc] Locale.LanguageRange() throws an undocumented IAE when range is ill-formed.
nishjain
parents:
38739
diff
changeset
|
3032 |
* or greater than {@code MAX_WEIGHT} |
14009 | 3033 |
*/ |
3034 |
public LanguageRange(String range, double weight) { |
|
3035 |
if (range == null) { |
|
3036 |
throw new NullPointerException(); |
|
3037 |
} |
|
3038 |
if (weight < MIN_WEIGHT || weight > MAX_WEIGHT) { |
|
3039 |
throw new IllegalArgumentException("weight=" + weight); |
|
3040 |
} |
|
3041 |
||
39053
668c400a8dd1
8159420: The LanguageRange.parse() method is throwing IllegalArgumentException in Turkish Locale
nishjain
parents:
38860
diff
changeset
|
3042 |
range = range.toLowerCase(Locale.ROOT); |
14009 | 3043 |
|
3044 |
// Do syntax check. |
|
3045 |
boolean isIllFormed = false; |
|
3046 |
String[] subtags = range.split("-"); |
|
3047 |
if (isSubtagIllFormed(subtags[0], true) |
|
3048 |
|| range.endsWith("-")) { |
|
3049 |
isIllFormed = true; |
|
3050 |
} else { |
|
3051 |
for (int i = 1; i < subtags.length; i++) { |
|
3052 |
if (isSubtagIllFormed(subtags[i], false)) { |
|
3053 |
isIllFormed = true; |
|
24267
094b5d3c7159
8042360: Subtag syntax check is incomplete in Locale.LanguageRange
peytoia
parents:
24196
diff
changeset
|
3054 |
break; |
14009 | 3055 |
} |
3056 |
} |
|
3057 |
} |
|
3058 |
if (isIllFormed) { |
|
3059 |
throw new IllegalArgumentException("range=" + range); |
|
3060 |
} |
|
3061 |
||
3062 |
this.range = range; |
|
3063 |
this.weight = weight; |
|
3064 |
} |
|
3065 |
||
3066 |
private static boolean isSubtagIllFormed(String subtag, |
|
3067 |
boolean isFirstSubtag) { |
|
3068 |
if (subtag.equals("") || subtag.length() > 8) { |
|
3069 |
return true; |
|
3070 |
} else if (subtag.equals("*")) { |
|
3071 |
return false; |
|
3072 |
} |
|
3073 |
char[] charArray = subtag.toCharArray(); |
|
3074 |
if (isFirstSubtag) { // ALPHA |
|
3075 |
for (char c : charArray) { |
|
3076 |
if (c < 'a' || c > 'z') { |
|
3077 |
return true; |
|
3078 |
} |
|
3079 |
} |
|
3080 |
} else { // ALPHA / DIGIT |
|
3081 |
for (char c : charArray) { |
|
3082 |
if (c < '0' || (c > '9' && c < 'a') || c > 'z') { |
|
3083 |
return true; |
|
3084 |
} |
|
3085 |
} |
|
3086 |
} |
|
3087 |
return false; |
|
3088 |
} |
|
3089 |
||
3090 |
/** |
|
3091 |
* Returns the language range of this {@code LanguageRange}. |
|
3092 |
* |
|
3093 |
* @return the language range. |
|
3094 |
*/ |
|
3095 |
public String getRange() { |
|
3096 |
return range; |
|
3097 |
} |
|
3098 |
||
3099 |
/** |
|
3100 |
* Returns the weight of this {@code LanguageRange}. |
|
3101 |
* |
|
3102 |
* @return the weight value. |
|
3103 |
*/ |
|
3104 |
public double getWeight() { |
|
3105 |
return weight; |
|
3106 |
} |
|
3107 |
||
3108 |
/** |
|
3109 |
* Parses the given {@code ranges} to generate a Language Priority List. |
|
3110 |
* |
|
3111 |
* <p>This method performs a syntactic check for each language range in |
|
3112 |
* the given {@code ranges} but doesn't do validation using the IANA |
|
3113 |
* Language Subtag Registry. |
|
3114 |
* |
|
3115 |
* <p>The {@code ranges} to be given can take one of the following |
|
3116 |
* forms: |
|
3117 |
* |
|
3118 |
* <pre> |
|
3119 |
* "Accept-Language: ja,en;q=0.4" (weighted list with Accept-Language prefix) |
|
3120 |
* "ja,en;q=0.4" (weighted list) |
|
3121 |
* "ja,en" (prioritized list) |
|
3122 |
* </pre> |
|
3123 |
* |
|
3124 |
* In a weighted list, each language range is given a weight value. |
|
3125 |
* The weight value is identical to the "quality value" in |
|
3126 |
* <a href="http://tools.ietf.org/html/rfc2616">RFC 2616</a>, and it |
|
3127 |
* expresses how much the user prefers the language. A weight value is |
|
3128 |
* specified after a corresponding language range followed by |
|
3129 |
* {@code ";q="}, and the default weight value is {@code MAX_WEIGHT} |
|
3130 |
* when it is omitted. |
|
3131 |
* |
|
3132 |
* <p>Unlike a weighted list, language ranges in a prioritized list |
|
3133 |
* are sorted in the descending order based on its priority. The first |
|
3134 |
* language range has the highest priority and meets the user's |
|
3135 |
* preference most. |
|
3136 |
* |
|
3137 |
* <p>In either case, language ranges are sorted in descending order in |
|
3138 |
* the Language Priority List based on priority or weight. If a |
|
3139 |
* language range appears in the given {@code ranges} more than once, |
|
3140 |
* only the first one is included on the Language Priority List. |
|
3141 |
* |
|
3142 |
* <p>The returned list consists of language ranges from the given |
|
3143 |
* {@code ranges} and their equivalents found in the IANA Language |
|
3144 |
* Subtag Registry. For example, if the given {@code ranges} is |
|
3145 |
* {@code "Accept-Language: iw,en-us;q=0.7,en;q=0.3"}, the elements in |
|
3146 |
* the list to be returned are: |
|
3147 |
* |
|
3148 |
* <pre> |
|
3149 |
* <b>Range</b> <b>Weight</b> |
|
3150 |
* "iw" (older tag for Hebrew) 1.0 |
|
3151 |
* "he" (new preferred code for Hebrew) 1.0 |
|
3152 |
* "en-us" (English, United States) 0.7 |
|
3153 |
* "en" (English) 0.3 |
|
3154 |
* </pre> |
|
3155 |
* |
|
3156 |
* Two language ranges, {@code "iw"} and {@code "he"}, have the same |
|
3157 |
* highest priority in the list. By adding {@code "he"} to the user's |
|
3158 |
* Language Priority List, locale-matching method can find Hebrew as a |
|
3159 |
* matching locale (or language tag) even if the application or system |
|
3160 |
* offers only {@code "he"} as a supported locale (or language tag). |
|
3161 |
* |
|
3162 |
* @param ranges a list of comma-separated language ranges or a list of |
|
3163 |
* language ranges in the form of the "Accept-Language" header |
|
3164 |
* defined in <a href="http://tools.ietf.org/html/rfc2616">RFC |
|
3165 |
* 2616</a> |
|
3166 |
* @return a Language Priority List consisting of language ranges |
|
3167 |
* included in the given {@code ranges} and their equivalent |
|
3168 |
* language ranges if available. The list is modifiable. |
|
3169 |
* @throws NullPointerException if {@code ranges} is null |
|
3170 |
* @throws IllegalArgumentException if a language range or a weight |
|
3171 |
* found in the given {@code ranges} is ill-formed |
|
3172 |
*/ |
|
3173 |
public static List<LanguageRange> parse(String ranges) { |
|
3174 |
return LocaleMatcher.parse(ranges); |
|
3175 |
} |
|
3176 |
||
3177 |
/** |
|
3178 |
* Parses the given {@code ranges} to generate a Language Priority |
|
3179 |
* List, and then customizes the list using the given {@code map}. |
|
3180 |
* This method is equivalent to |
|
3181 |
* {@code mapEquivalents(parse(ranges), map)}. |
|
3182 |
* |
|
3183 |
* @param ranges a list of comma-separated language ranges or a list |
|
3184 |
* of language ranges in the form of the "Accept-Language" header |
|
3185 |
* defined in <a href="http://tools.ietf.org/html/rfc2616">RFC |
|
3186 |
* 2616</a> |
|
3187 |
* @param map a map containing information to customize language ranges |
|
3188 |
* @return a Language Priority List with customization. The list is |
|
23937
e6bd52c03bc0
8035726: A sentence is truncated in the API doc for j.u.Locale.LanguageRange.parse(String, Map).
peytoia
parents:
23010
diff
changeset
|
3189 |
* modifiable. |
14009 | 3190 |
* @throws NullPointerException if {@code ranges} is null |
3191 |
* @throws IllegalArgumentException if a language range or a weight |
|
3192 |
* found in the given {@code ranges} is ill-formed |
|
3193 |
* @see #parse(String) |
|
3194 |
* @see #mapEquivalents |
|
3195 |
*/ |
|
3196 |
public static List<LanguageRange> parse(String ranges, |
|
3197 |
Map<String, List<String>> map) { |
|
3198 |
return mapEquivalents(parse(ranges), map); |
|
3199 |
} |
|
3200 |
||
3201 |
/** |
|
3202 |
* Generates a new customized Language Priority List using the given |
|
3203 |
* {@code priorityList} and {@code map}. If the given {@code map} is |
|
3204 |
* empty, this method returns a copy of the given {@code priorityList}. |
|
3205 |
* |
|
3206 |
* <p>In the map, a key represents a language range whereas a value is |
|
3207 |
* a list of equivalents of it. {@code '*'} cannot be used in the map. |
|
3208 |
* Each equivalent language range has the same weight value as its |
|
3209 |
* original language range. |
|
3210 |
* |
|
3211 |
* <pre> |
|
3212 |
* An example of map: |
|
3213 |
* <b>Key</b> <b>Value</b> |
|
3214 |
* "zh" (Chinese) "zh", |
|
3215 |
* "zh-Hans"(Simplified Chinese) |
|
3216 |
* "zh-HK" (Chinese, Hong Kong) "zh-HK" |
|
3217 |
* "zh-TW" (Chinese, Taiwan) "zh-TW" |
|
3218 |
* </pre> |
|
3219 |
* |
|
3220 |
* The customization is performed after modification using the IANA |
|
3221 |
* Language Subtag Registry. |
|
3222 |
* |
|
3223 |
* <p>For example, if a user's Language Priority List consists of five |
|
3224 |
* language ranges ({@code "zh"}, {@code "zh-CN"}, {@code "en"}, |
|
3225 |
* {@code "zh-TW"}, and {@code "zh-HK"}), the newly generated Language |
|
3226 |
* Priority List which is customized using the above map example will |
|
3227 |
* consists of {@code "zh"}, {@code "zh-Hans"}, {@code "zh-CN"}, |
|
3228 |
* {@code "zh-Hans-CN"}, {@code "en"}, {@code "zh-TW"}, and |
|
3229 |
* {@code "zh-HK"}. |
|
3230 |
* |
|
3231 |
* <p>{@code "zh-HK"} and {@code "zh-TW"} aren't converted to |
|
3232 |
* {@code "zh-Hans-HK"} nor {@code "zh-Hans-TW"} even if they are |
|
3233 |
* included in the Language Priority List. In this example, mapping |
|
3234 |
* is used to clearly distinguish Simplified Chinese and Traditional |
|
3235 |
* Chinese. |
|
3236 |
* |
|
3237 |
* <p>If the {@code "zh"}-to-{@code "zh"} mapping isn't included in the |
|
3238 |
* map, a simple replacement will be performed and the customized list |
|
3239 |
* won't include {@code "zh"} and {@code "zh-CN"}. |
|
3240 |
* |
|
3241 |
* @param priorityList user's Language Priority List |
|
3242 |
* @param map a map containing information to customize language ranges |
|
3243 |
* @return a new Language Priority List with customization. The list is |
|
3244 |
* modifiable. |
|
3245 |
* @throws NullPointerException if {@code priorityList} is {@code null} |
|
3246 |
* @see #parse(String, Map) |
|
3247 |
*/ |
|
3248 |
public static List<LanguageRange> mapEquivalents( |
|
3249 |
List<LanguageRange>priorityList, |
|
3250 |
Map<String, List<String>> map) { |
|
3251 |
return LocaleMatcher.mapEquivalents(priorityList, map); |
|
3252 |
} |
|
3253 |
||
3254 |
/** |
|
3255 |
* Returns a hash code value for the object. |
|
3256 |
* |
|
3257 |
* @return a hash code value for this object. |
|
3258 |
*/ |
|
3259 |
@Override |
|
3260 |
public int hashCode() { |
|
34774
03b4e6dc367b
8145680: Remove unnecessary explicit initialization of volatile variables in java.base
redestad
parents:
34532
diff
changeset
|
3261 |
int h = hash; |
03b4e6dc367b
8145680: Remove unnecessary explicit initialization of volatile variables in java.base
redestad
parents:
34532
diff
changeset
|
3262 |
if (h == 0) { |
03b4e6dc367b
8145680: Remove unnecessary explicit initialization of volatile variables in java.base
redestad
parents:
34532
diff
changeset
|
3263 |
h = 17; |
03b4e6dc367b
8145680: Remove unnecessary explicit initialization of volatile variables in java.base
redestad
parents:
34532
diff
changeset
|
3264 |
h = 37*h + range.hashCode(); |
14009 | 3265 |
long bitsWeight = Double.doubleToLongBits(weight); |
34774
03b4e6dc367b
8145680: Remove unnecessary explicit initialization of volatile variables in java.base
redestad
parents:
34532
diff
changeset
|
3266 |
h = 37*h + (int)(bitsWeight ^ (bitsWeight >>> 32)); |
03b4e6dc367b
8145680: Remove unnecessary explicit initialization of volatile variables in java.base
redestad
parents:
34532
diff
changeset
|
3267 |
if (h != 0) { |
03b4e6dc367b
8145680: Remove unnecessary explicit initialization of volatile variables in java.base
redestad
parents:
34532
diff
changeset
|
3268 |
hash = h; |
03b4e6dc367b
8145680: Remove unnecessary explicit initialization of volatile variables in java.base
redestad
parents:
34532
diff
changeset
|
3269 |
} |
14009 | 3270 |
} |
34774
03b4e6dc367b
8145680: Remove unnecessary explicit initialization of volatile variables in java.base
redestad
parents:
34532
diff
changeset
|
3271 |
return h; |
14009 | 3272 |
} |
3273 |
||
3274 |
/** |
|
3275 |
* Compares this object to the specified object. The result is true if |
|
3276 |
* and only if the argument is not {@code null} and is a |
|
3277 |
* {@code LanguageRange} object that contains the same {@code range} |
|
3278 |
* and {@code weight} values as this object. |
|
3279 |
* |
|
3280 |
* @param obj the object to compare with |
|
3281 |
* @return {@code true} if this object's {@code range} and |
|
3282 |
* {@code weight} are the same as the {@code obj}'s; {@code false} |
|
3283 |
* otherwise. |
|
3284 |
*/ |
|
3285 |
@Override |
|
3286 |
public boolean equals(Object obj) { |
|
3287 |
if (this == obj) { |
|
3288 |
return true; |
|
3289 |
} |
|
3290 |
if (!(obj instanceof LanguageRange)) { |
|
3291 |
return false; |
|
3292 |
} |
|
3293 |
LanguageRange other = (LanguageRange)obj; |
|
3294 |
return hash == other.hash |
|
3295 |
&& range.equals(other.range) |
|
3296 |
&& weight == other.weight; |
|
3297 |
} |
|
34963
a2014a070989
8026766: Add toString() to j.u.Locale.LanguageRange.
peytoia
parents:
34774
diff
changeset
|
3298 |
|
a2014a070989
8026766: Add toString() to j.u.Locale.LanguageRange.
peytoia
parents:
34774
diff
changeset
|
3299 |
/** |
a2014a070989
8026766: Add toString() to j.u.Locale.LanguageRange.
peytoia
parents:
34774
diff
changeset
|
3300 |
* Returns an informative string representation of this {@code LanguageRange} |
a2014a070989
8026766: Add toString() to j.u.Locale.LanguageRange.
peytoia
parents:
34774
diff
changeset
|
3301 |
* object, consisting of language range and weight if the range is |
a2014a070989
8026766: Add toString() to j.u.Locale.LanguageRange.
peytoia
parents:
34774
diff
changeset
|
3302 |
* weighted and the weight is less than the max weight. |
a2014a070989
8026766: Add toString() to j.u.Locale.LanguageRange.
peytoia
parents:
34774
diff
changeset
|
3303 |
* |
a2014a070989
8026766: Add toString() to j.u.Locale.LanguageRange.
peytoia
parents:
34774
diff
changeset
|
3304 |
* @return a string representation of this {@code LanguageRange} object. |
a2014a070989
8026766: Add toString() to j.u.Locale.LanguageRange.
peytoia
parents:
34774
diff
changeset
|
3305 |
*/ |
a2014a070989
8026766: Add toString() to j.u.Locale.LanguageRange.
peytoia
parents:
34774
diff
changeset
|
3306 |
@Override |
a2014a070989
8026766: Add toString() to j.u.Locale.LanguageRange.
peytoia
parents:
34774
diff
changeset
|
3307 |
public String toString() { |
a2014a070989
8026766: Add toString() to j.u.Locale.LanguageRange.
peytoia
parents:
34774
diff
changeset
|
3308 |
return (weight == MAX_WEIGHT) ? range : range + ";q=" + weight; |
a2014a070989
8026766: Add toString() to j.u.Locale.LanguageRange.
peytoia
parents:
34774
diff
changeset
|
3309 |
} |
14009 | 3310 |
} |
3311 |
||
3312 |
/** |
|
3313 |
* Returns a list of matching {@code Locale} instances using the filtering |
|
3314 |
* mechanism defined in RFC 4647. |
|
3315 |
* |
|
45838
c6223c3b4594
8032842: Locale.filterTags()/lookupTag() methods return lowercased language tags
nishjain
parents:
45377
diff
changeset
|
3316 |
* This filter operation on the given {@code locales} ensures that only |
c6223c3b4594
8032842: Locale.filterTags()/lookupTag() methods return lowercased language tags
nishjain
parents:
45377
diff
changeset
|
3317 |
* unique matching locale(s) are returned. |
c6223c3b4594
8032842: Locale.filterTags()/lookupTag() methods return lowercased language tags
nishjain
parents:
45377
diff
changeset
|
3318 |
* |
14009 | 3319 |
* @param priorityList user's Language Priority List in which each language |
3320 |
* tag is sorted in descending order based on priority or weight |
|
3321 |
* @param locales {@code Locale} instances used for matching |
|
3322 |
* @param mode filtering mode |
|
3323 |
* @return a list of {@code Locale} instances for matching language tags |
|
3324 |
* sorted in descending order based on priority or weight, or an empty |
|
3325 |
* list if nothing matches. The list is modifiable. |
|
3326 |
* @throws NullPointerException if {@code priorityList} or {@code locales} |
|
3327 |
* is {@code null} |
|
3328 |
* @throws IllegalArgumentException if one or more extended language ranges |
|
3329 |
* are included in the given list when |
|
3330 |
* {@link FilteringMode#REJECT_EXTENDED_RANGES} is specified |
|
3331 |
* |
|
3332 |
* @since 1.8 |
|
3333 |
*/ |
|
3334 |
public static List<Locale> filter(List<LanguageRange> priorityList, |
|
3335 |
Collection<Locale> locales, |
|
3336 |
FilteringMode mode) { |
|
3337 |
return LocaleMatcher.filter(priorityList, locales, mode); |
|
3338 |
} |
|
3339 |
||
3340 |
/** |
|
3341 |
* Returns a list of matching {@code Locale} instances using the filtering |
|
3342 |
* mechanism defined in RFC 4647. This is equivalent to |
|
3343 |
* {@link #filter(List, Collection, FilteringMode)} when {@code mode} is |
|
3344 |
* {@link FilteringMode#AUTOSELECT_FILTERING}. |
|
3345 |
* |
|
45838
c6223c3b4594
8032842: Locale.filterTags()/lookupTag() methods return lowercased language tags
nishjain
parents:
45377
diff
changeset
|
3346 |
* This filter operation on the given {@code locales} ensures that only |
c6223c3b4594
8032842: Locale.filterTags()/lookupTag() methods return lowercased language tags
nishjain
parents:
45377
diff
changeset
|
3347 |
* unique matching locale(s) are returned. |
c6223c3b4594
8032842: Locale.filterTags()/lookupTag() methods return lowercased language tags
nishjain
parents:
45377
diff
changeset
|
3348 |
* |
14009 | 3349 |
* @param priorityList user's Language Priority List in which each language |
3350 |
* tag is sorted in descending order based on priority or weight |
|
3351 |
* @param locales {@code Locale} instances used for matching |
|
3352 |
* @return a list of {@code Locale} instances for matching language tags |
|
3353 |
* sorted in descending order based on priority or weight, or an empty |
|
3354 |
* list if nothing matches. The list is modifiable. |
|
3355 |
* @throws NullPointerException if {@code priorityList} or {@code locales} |
|
3356 |
* is {@code null} |
|
3357 |
* |
|
3358 |
* @since 1.8 |
|
3359 |
*/ |
|
3360 |
public static List<Locale> filter(List<LanguageRange> priorityList, |
|
3361 |
Collection<Locale> locales) { |
|
3362 |
return filter(priorityList, locales, FilteringMode.AUTOSELECT_FILTERING); |
|
3363 |
} |
|
3364 |
||
3365 |
/** |
|
3366 |
* Returns a list of matching languages tags using the basic filtering |
|
3367 |
* mechanism defined in RFC 4647. |
|
3368 |
* |
|
45838
c6223c3b4594
8032842: Locale.filterTags()/lookupTag() methods return lowercased language tags
nishjain
parents:
45377
diff
changeset
|
3369 |
* This filter operation on the given {@code tags} ensures that only |
c6223c3b4594
8032842: Locale.filterTags()/lookupTag() methods return lowercased language tags
nishjain
parents:
45377
diff
changeset
|
3370 |
* unique matching tag(s) are returned with preserved case. In case of |
c6223c3b4594
8032842: Locale.filterTags()/lookupTag() methods return lowercased language tags
nishjain
parents:
45377
diff
changeset
|
3371 |
* duplicate matching tags with the case difference, the first matching |
c6223c3b4594
8032842: Locale.filterTags()/lookupTag() methods return lowercased language tags
nishjain
parents:
45377
diff
changeset
|
3372 |
* tag with preserved case is returned. |
c6223c3b4594
8032842: Locale.filterTags()/lookupTag() methods return lowercased language tags
nishjain
parents:
45377
diff
changeset
|
3373 |
* For example, "de-ch" is returned out of the duplicate matching tags |
c6223c3b4594
8032842: Locale.filterTags()/lookupTag() methods return lowercased language tags
nishjain
parents:
45377
diff
changeset
|
3374 |
* "de-ch" and "de-CH", if "de-ch" is checked first for matching in the |
c6223c3b4594
8032842: Locale.filterTags()/lookupTag() methods return lowercased language tags
nishjain
parents:
45377
diff
changeset
|
3375 |
* given {@code tags}. Note that if the given {@code tags} is an unordered |
c6223c3b4594
8032842: Locale.filterTags()/lookupTag() methods return lowercased language tags
nishjain
parents:
45377
diff
changeset
|
3376 |
* {@code Collection}, the returned matching tag out of duplicate tags is |
c6223c3b4594
8032842: Locale.filterTags()/lookupTag() methods return lowercased language tags
nishjain
parents:
45377
diff
changeset
|
3377 |
* subject to change, depending on the implementation of the |
c6223c3b4594
8032842: Locale.filterTags()/lookupTag() methods return lowercased language tags
nishjain
parents:
45377
diff
changeset
|
3378 |
* {@code Collection}. |
c6223c3b4594
8032842: Locale.filterTags()/lookupTag() methods return lowercased language tags
nishjain
parents:
45377
diff
changeset
|
3379 |
* |
14009 | 3380 |
* @param priorityList user's Language Priority List in which each language |
3381 |
* tag is sorted in descending order based on priority or weight |
|
3382 |
* @param tags language tags |
|
3383 |
* @param mode filtering mode |
|
3384 |
* @return a list of matching language tags sorted in descending order |
|
3385 |
* based on priority or weight, or an empty list if nothing matches. |
|
3386 |
* The list is modifiable. |
|
3387 |
* @throws NullPointerException if {@code priorityList} or {@code tags} is |
|
3388 |
* {@code null} |
|
3389 |
* @throws IllegalArgumentException if one or more extended language ranges |
|
3390 |
* are included in the given list when |
|
3391 |
* {@link FilteringMode#REJECT_EXTENDED_RANGES} is specified |
|
3392 |
* |
|
3393 |
* @since 1.8 |
|
3394 |
*/ |
|
3395 |
public static List<String> filterTags(List<LanguageRange> priorityList, |
|
3396 |
Collection<String> tags, |
|
3397 |
FilteringMode mode) { |
|
3398 |
return LocaleMatcher.filterTags(priorityList, tags, mode); |
|
3399 |
} |
|
3400 |
||
3401 |
/** |
|
3402 |
* Returns a list of matching languages tags using the basic filtering |
|
3403 |
* mechanism defined in RFC 4647. This is equivalent to |
|
3404 |
* {@link #filterTags(List, Collection, FilteringMode)} when {@code mode} |
|
3405 |
* is {@link FilteringMode#AUTOSELECT_FILTERING}. |
|
3406 |
* |
|
45838
c6223c3b4594
8032842: Locale.filterTags()/lookupTag() methods return lowercased language tags
nishjain
parents:
45377
diff
changeset
|
3407 |
* This filter operation on the given {@code tags} ensures that only |
c6223c3b4594
8032842: Locale.filterTags()/lookupTag() methods return lowercased language tags
nishjain
parents:
45377
diff
changeset
|
3408 |
* unique matching tag(s) are returned with preserved case. In case of |
c6223c3b4594
8032842: Locale.filterTags()/lookupTag() methods return lowercased language tags
nishjain
parents:
45377
diff
changeset
|
3409 |
* duplicate matching tags with the case difference, the first matching |
c6223c3b4594
8032842: Locale.filterTags()/lookupTag() methods return lowercased language tags
nishjain
parents:
45377
diff
changeset
|
3410 |
* tag with preserved case is returned. |
c6223c3b4594
8032842: Locale.filterTags()/lookupTag() methods return lowercased language tags
nishjain
parents:
45377
diff
changeset
|
3411 |
* For example, "de-ch" is returned out of the duplicate matching tags |
c6223c3b4594
8032842: Locale.filterTags()/lookupTag() methods return lowercased language tags
nishjain
parents:
45377
diff
changeset
|
3412 |
* "de-ch" and "de-CH", if "de-ch" is checked first for matching in the |
c6223c3b4594
8032842: Locale.filterTags()/lookupTag() methods return lowercased language tags
nishjain
parents:
45377
diff
changeset
|
3413 |
* given {@code tags}. Note that if the given {@code tags} is an unordered |
c6223c3b4594
8032842: Locale.filterTags()/lookupTag() methods return lowercased language tags
nishjain
parents:
45377
diff
changeset
|
3414 |
* {@code Collection}, the returned matching tag out of duplicate tags is |
c6223c3b4594
8032842: Locale.filterTags()/lookupTag() methods return lowercased language tags
nishjain
parents:
45377
diff
changeset
|
3415 |
* subject to change, depending on the implementation of the |
c6223c3b4594
8032842: Locale.filterTags()/lookupTag() methods return lowercased language tags
nishjain
parents:
45377
diff
changeset
|
3416 |
* {@code Collection}. |
c6223c3b4594
8032842: Locale.filterTags()/lookupTag() methods return lowercased language tags
nishjain
parents:
45377
diff
changeset
|
3417 |
* |
14009 | 3418 |
* @param priorityList user's Language Priority List in which each language |
3419 |
* tag is sorted in descending order based on priority or weight |
|
3420 |
* @param tags language tags |
|
3421 |
* @return a list of matching language tags sorted in descending order |
|
3422 |
* based on priority or weight, or an empty list if nothing matches. |
|
3423 |
* The list is modifiable. |
|
3424 |
* @throws NullPointerException if {@code priorityList} or {@code tags} is |
|
3425 |
* {@code null} |
|
3426 |
* |
|
3427 |
* @since 1.8 |
|
3428 |
*/ |
|
3429 |
public static List<String> filterTags(List<LanguageRange> priorityList, |
|
3430 |
Collection<String> tags) { |
|
3431 |
return filterTags(priorityList, tags, FilteringMode.AUTOSELECT_FILTERING); |
|
3432 |
} |
|
3433 |
||
3434 |
/** |
|
3435 |
* Returns a {@code Locale} instance for the best-matching language |
|
3436 |
* tag using the lookup mechanism defined in RFC 4647. |
|
3437 |
* |
|
3438 |
* @param priorityList user's Language Priority List in which each language |
|
3439 |
* tag is sorted in descending order based on priority or weight |
|
3440 |
* @param locales {@code Locale} instances used for matching |
|
3441 |
* @return the best matching <code>Locale</code> instance chosen based on |
|
3442 |
* priority or weight, or {@code null} if nothing matches. |
|
3443 |
* @throws NullPointerException if {@code priorityList} or {@code tags} is |
|
3444 |
* {@code null} |
|
3445 |
* |
|
3446 |
* @since 1.8 |
|
3447 |
*/ |
|
3448 |
public static Locale lookup(List<LanguageRange> priorityList, |
|
3449 |
Collection<Locale> locales) { |
|
3450 |
return LocaleMatcher.lookup(priorityList, locales); |
|
3451 |
} |
|
3452 |
||
3453 |
/** |
|
3454 |
* Returns the best-matching language tag using the lookup mechanism |
|
3455 |
* defined in RFC 4647. |
|
3456 |
* |
|
45838
c6223c3b4594
8032842: Locale.filterTags()/lookupTag() methods return lowercased language tags
nishjain
parents:
45377
diff
changeset
|
3457 |
* This lookup operation on the given {@code tags} ensures that the |
c6223c3b4594
8032842: Locale.filterTags()/lookupTag() methods return lowercased language tags
nishjain
parents:
45377
diff
changeset
|
3458 |
* first matching tag with preserved case is returned. |
c6223c3b4594
8032842: Locale.filterTags()/lookupTag() methods return lowercased language tags
nishjain
parents:
45377
diff
changeset
|
3459 |
* |
14009 | 3460 |
* @param priorityList user's Language Priority List in which each language |
3461 |
* tag is sorted in descending order based on priority or weight |
|
3462 |
* @param tags language tangs used for matching |
|
3463 |
* @return the best matching language tag chosen based on priority or |
|
3464 |
* weight, or {@code null} if nothing matches. |
|
3465 |
* @throws NullPointerException if {@code priorityList} or {@code tags} is |
|
3466 |
* {@code null} |
|
3467 |
* |
|
3468 |
* @since 1.8 |
|
3469 |
*/ |
|
3470 |
public static String lookupTag(List<LanguageRange> priorityList, |
|
3471 |
Collection<String> tags) { |
|
3472 |
return LocaleMatcher.lookupTag(priorityList, tags); |
|
3473 |
} |
|
3474 |
||
2 | 3475 |
} |