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 | +} | |