author | nishjain |
Tue, 14 Jun 2016 12:29:49 +0900 | |
changeset 38950 | 89fe9dae591e |
parent 26219 | 1a19360ff122 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2010, 2014, 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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******************************************************************************* |
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* Copyright (C) 2009-2010, International Business Machines Corporation and * |
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* others. All Rights Reserved. * |
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******************************************************************************* |
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*/ |
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package sun.util.locale; |
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import java.util.Collections; |
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import java.util.Map; |
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import java.util.Map.Entry; |
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import java.util.Set; |
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import java.util.SortedMap; |
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import java.util.SortedSet; |
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import java.util.StringJoiner; |
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public class UnicodeLocaleExtension extends Extension { |
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public static final char SINGLETON = 'u'; |
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private final Set<String> attributes; |
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private final Map<String, String> keywords; |
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public static final UnicodeLocaleExtension CA_JAPANESE |
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= new UnicodeLocaleExtension("ca", "japanese"); |
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public static final UnicodeLocaleExtension NU_THAI |
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= new UnicodeLocaleExtension("nu", "thai"); |
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private UnicodeLocaleExtension(String key, String value) { |
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super(SINGLETON, key + "-" + value); |
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attributes = Collections.emptySet(); |
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keywords = Collections.singletonMap(key, value); |
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} |
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UnicodeLocaleExtension(SortedSet<String> attributes, SortedMap<String, String> keywords) { |
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super(SINGLETON); |
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if (attributes != null) { |
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this.attributes = attributes; |
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} else { |
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this.attributes = Collections.emptySet(); |
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} |
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if (keywords != null) { |
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this.keywords = keywords; |
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} else { |
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this.keywords = Collections.emptyMap(); |
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} |
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if (!this.attributes.isEmpty() || !this.keywords.isEmpty()) { |
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StringJoiner sj = new StringJoiner(LanguageTag.SEP); |
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for (String attribute : this.attributes) { |
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sj.add(attribute); |
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} |
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for (Entry<String, String> keyword : this.keywords.entrySet()) { |
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String key = keyword.getKey(); |
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String value = keyword.getValue(); |
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sj.add(key); |
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if (value.length() > 0) { |
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sj.add(value); |
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} |
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} |
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setValue(sj.toString()); |
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} |
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} |
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public Set<String> getUnicodeLocaleAttributes() { |
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if (attributes == Collections.EMPTY_SET) { |
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return attributes; |
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} |
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return Collections.unmodifiableSet(attributes); |
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} |
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public Set<String> getUnicodeLocaleKeys() { |
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if (keywords == Collections.EMPTY_MAP) { |
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return Collections.emptySet(); |
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} |
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return Collections.unmodifiableSet(keywords.keySet()); |
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} |
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public String getUnicodeLocaleType(String unicodeLocaleKey) { |
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return keywords.get(unicodeLocaleKey); |
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} |
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public static boolean isSingletonChar(char c) { |
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return (SINGLETON == LocaleUtils.toLower(c)); |
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} |
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public static boolean isAttribute(String s) { |
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// 3*8alphanum |
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int len = s.length(); |
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return (len >= 3) && (len <= 8) && LocaleUtils.isAlphaNumericString(s); |
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} |
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public static boolean isKey(String s) { |
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// 2alphanum |
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return (s.length() == 2) && LocaleUtils.isAlphaNumericString(s); |
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} |
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public static boolean isTypeSubtag(String s) { |
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// 3*8alphanum |
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int len = s.length(); |
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return (len >= 3) && (len <= 8) && LocaleUtils.isAlphaNumericString(s); |
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} |
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} |