Showing the changes to java/pkg/sun/util/locale/UnicodeLocaleExtension.java (1 of 18352 files). Show all
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| 1 | |||
| 2 | /* | ||
| 3 | * Copyright (c) 2010, 2011, Oracle and/or its affiliates. All rights reserved. | ||
| 4 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | ||
| 5 | * | ||
| 6 | * This code is free software; you can redistribute it and/or modify it | ||
| 7 | * under the terms of the GNU General Public License version 2 only, as | ||
| 8 | * published by the Free Software Foundation. Oracle designates this | ||
| 9 | * particular file as subject to the "Classpath" exception as provided | ||
| 10 | * by Oracle in the LICENSE file that accompanied this code. | ||
| 11 | * | ||
| 12 | * This code is distributed in the hope that it will be useful, but WITHOUT | ||
| 13 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| 14 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
| 15 | * version 2 for more details (a copy is included in the LICENSE file that | ||
| 16 | * accompanied this code). | ||
| 17 | * | ||
| 18 | * You should have received a copy of the GNU General Public License version | ||
| 19 | * 2 along with this work; if not, write to the Free Software Foundation, | ||
| 20 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | ||
| 21 | * | ||
| 22 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
| 23 | * or visit www.oracle.com if you need additional information or have any | ||
| 24 | * questions. | ||
| 25 | */ | ||
| 26 | |||
| 27 | /* | ||
| 28 | ******************************************************************************* | ||
| 29 | * Copyright (C) 2009-2010, International Business Machines Corporation and * | ||
| 30 | * others. All Rights Reserved. * | ||
| 31 | ******************************************************************************* | ||
| 32 | */ | ||
| 33 | package sun.util.locale; | ||
| 34 | |||
| 35 | import java.util.Collections; | ||
| 36 | import java.util.Map; | ||
| 37 | import java.util.Map.Entry; | ||
| 38 | import java.util.Set; | ||
| 39 | import java.util.SortedMap; | ||
| 40 | import java.util.SortedSet; | ||
| 41 | |||
| 42 | public class UnicodeLocaleExtension extends Extension { | ||
| 43 | public static final char SINGLETON = 'u'; | ||
| 44 | |||
| 45 | private final Set<String> attributes; | ||
| 46 | private final Map<String, String> keywords; | ||
| 47 | |||
| 48 | public static final UnicodeLocaleExtension CA_JAPANESE | ||
| 49 | = new UnicodeLocaleExtension("ca", "japanese"); | ||
| 50 | public static final UnicodeLocaleExtension NU_THAI | ||
| 51 | = new UnicodeLocaleExtension("nu", "thai"); | ||
| 52 | |||
| 53 | private UnicodeLocaleExtension(String key, String value) { | ||
| 54 | super(SINGLETON, key + "-" + value); | ||
| 55 | attributes = Collections.emptySet(); | ||
| 56 | keywords = Collections.singletonMap(key, value); | ||
| 57 | } | ||
| 58 | |||
| 59 | UnicodeLocaleExtension(SortedSet<String> attributes, SortedMap<String, String> keywords) { | ||
| 60 | super(SINGLETON); | ||
| 61 | if (attributes != null) { | ||
| 62 | this.attributes = attributes; | ||
| 63 | } else { | ||
| 64 | this.attributes = Collections.emptySet(); | ||
| 65 | } | ||
| 66 | if (keywords != null) { | ||
| 67 | this.keywords = keywords; | ||
| 68 | } else { | ||
| 69 | this.keywords = Collections.emptyMap(); | ||
| 70 | } | ||
| 71 | |||
| 72 | if (!this.attributes.isEmpty() || !this.keywords.isEmpty()) { | ||
| 73 | StringBuilder sb = new StringBuilder(); | ||
| 74 | for (String attribute : this.attributes) { | ||
| 75 | sb.append(LanguageTag.SEP).append(attribute); | ||
| 76 | } | ||
| 77 | for (Entry<String, String> keyword : this.keywords.entrySet()) { | ||
| 78 | String key = keyword.getKey(); | ||
| 79 | String value = keyword.getValue(); | ||
| 80 | |||
| 81 | sb.append(LanguageTag.SEP).append(key); | ||
| 82 | if (value.length() > 0) { | ||
| 83 | sb.append(LanguageTag.SEP).append(value); | ||
| 84 | } | ||
| 85 | } | ||
| 86 | setValue(sb.substring(1)); // skip leading '-' | ||
| 87 | } | ||
| 88 | } | ||
| 89 | |||
| 90 | public Set<String> getUnicodeLocaleAttributes() { | ||
| 91 | if (attributes == Collections.EMPTY_SET) { | ||
| 92 | return attributes; | ||
| 93 | } | ||
| 94 | return Collections.unmodifiableSet(attributes); | ||
| 95 | } | ||
| 96 | |||
| 97 | public Set<String> getUnicodeLocaleKeys() { | ||
| 98 | if (keywords == Collections.EMPTY_MAP) { | ||
| 99 | return Collections.emptySet(); | ||
| 100 | } | ||
| 101 | return Collections.unmodifiableSet(keywords.keySet()); | ||
| 102 | } | ||
| 103 | |||
| 104 | public String getUnicodeLocaleType(String unicodeLocaleKey) { | ||
| 105 | return keywords.get(unicodeLocaleKey); | ||
| 106 | } | ||
| 107 | |||
| 108 | public static boolean isSingletonChar(char c) { | ||
| 109 | return (SINGLETON == LocaleUtils.toLower(c)); | ||
| 110 | } | ||
| 111 | |||
| 112 | public static boolean isAttribute(String s) { | ||
| 113 | // 3*8alphanum | ||
| 114 | int len = s.length(); | ||
| 115 | return (len >= 3) && (len <= 8) && LocaleUtils.isAlphaNumericString(s); | ||
| 116 | } | ||
| 117 | |||
| 118 | public static boolean isKey(String s) { | ||
| 119 | // 2alphanum | ||
| 120 | return (s.length() == 2) && LocaleUtils.isAlphaNumericString(s); | ||
| 121 | } | ||
| 122 | |||
| 123 | public static boolean isTypeSubtag(String s) { | ||
| 124 | // 3*8alphanum | ||
| 125 | int len = s.length(); | ||
| 126 | return (len >= 3) && (len <= 8) && LocaleUtils.isAlphaNumericString(s); | ||
| 127 | } | ||
| 128 | } | ||