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/*
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* Copyright (c) 2012, 2013, 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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* This file is available under and governed by the GNU General Public
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* License version 2 only, as published by the Free Software Foundation.
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* However, the following notice accompanied the original version of this
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* file:
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*
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* Copyright (c) 2008-2012, Stephen Colebourne & Michael Nascimento Santos
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* * Neither the name of JSR-310 nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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package java.time.format;
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import java.util.Calendar;
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/**
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* Enumeration of the style of text formatting and parsing.
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* <p>
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* Text styles define three sizes for the formatted text - 'full', 'short' and 'narrow'.
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* Each of these three sizes is available in both 'standard' and 'stand-alone' variations.
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* <p>
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* The difference between the three sizes is obvious in most languages.
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* For example, in English the 'full' month is 'January', the 'short' month is 'Jan'
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* and the 'narrow' month is 'J'. Note that the narrow size is often not unique.
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* For example, 'January', 'June' and 'July' all have the 'narrow' text 'J'.
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* <p>
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* The difference between the 'standard' and 'stand-alone' forms is trickier to describe
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* as there is no difference in English. However, in other languages there is a difference
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* in the word used when the text is used alone, as opposed to in a complete date.
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* For example, the word used for a month when used alone in a date picker is different
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* to the word used for month in association with a day and year in a date.
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*
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* @implSpec
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* This is immutable and thread-safe enum.
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*/
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public enum TextStyle {
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// ordered from large to small
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// ordered so that bit 0 of the ordinal indicates stand-alone.
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/**
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* Full text, typically the full description.
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* For example, day-of-week Monday might output "Monday".
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*/
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FULL(Calendar.LONG_FORMAT, 0),
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/**
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* Full text for stand-alone use, typically the full description.
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* For example, day-of-week Monday might output "Monday".
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*/
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FULL_STANDALONE(Calendar.LONG_STANDALONE, 0),
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/**
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* Short text, typically an abbreviation.
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* For example, day-of-week Monday might output "Mon".
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*/
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SHORT(Calendar.SHORT_FORMAT, 1),
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/**
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* Short text for stand-alone use, typically an abbreviation.
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* For example, day-of-week Monday might output "Mon".
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*/
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SHORT_STANDALONE(Calendar.SHORT_STANDALONE, 1),
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/**
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* Narrow text, typically a single letter.
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* For example, day-of-week Monday might output "M".
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*/
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NARROW(Calendar.NARROW_FORMAT, 1),
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/**
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* Narrow text for stand-alone use, typically a single letter.
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* For example, day-of-week Monday might output "M".
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*/
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NARROW_STANDALONE(Calendar.NARROW_STANDALONE, 1);
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private final int calendarStyle;
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private final int zoneNameStyleIndex;
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private TextStyle(int calendarStyle, int zoneNameStyleIndex) {
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this.calendarStyle = calendarStyle;
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this.zoneNameStyleIndex = zoneNameStyleIndex;
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}
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/**
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* Returns true if the Style is a stand-alone style.
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* @return true if the style is a stand-alone style.
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*/
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public boolean isStandalone() {
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return (ordinal() & 1) == 1;
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}
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/**
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* Returns the stand-alone style with the same size.
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* @return the stand-alone style with the same size
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*/
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public TextStyle asStandalone() {
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return TextStyle.values()[ordinal() | 1];
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}
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/**
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* Returns the normal style with the same size.
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*
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* @return the normal style with the same size
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*/
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public TextStyle asNormal() {
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return TextStyle.values()[ordinal() & ~1];
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}
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/**
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* Returns the {@code Calendar} style corresponding to this {@code TextStyle}.
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*
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* @return the corresponding {@code Calendar} style
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*/
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int toCalendarStyle() {
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return calendarStyle;
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}
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/**
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* Returns the relative index value to an element of the {@link
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* java.text.DateFormatSymbols#getZoneStrings() DateFormatSymbols.getZoneStrings()}
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* value, 0 for long names and 1 for short names (abbreviations). Note that these values
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* do <em>not</em> correspond to the {@link java.util.TimeZone#LONG} and {@link
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* java.util.TimeZone#SHORT} values.
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*
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* @return the relative index value to time zone names array
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*/
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int zoneNameStyleIndex() {
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return zoneNameStyleIndex;
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}
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}
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