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HSQLDB example source code file (Collation.java)
The HSQLDB Collation.java source code/* Copyright (c) 2001-2008, The HSQL Development Group * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * Redistributions of source code must retain the above copyright notice, this * list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * Neither the name of the HSQL Development Group nor the names of its * contributors may be used to endorse or promote products derived from this * software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL HSQL DEVELOPMENT GROUP, HSQLDB.ORG, * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ package org.hsqldb; import java.text.Collator; import java.util.Locale; import org.hsqldb.lib.HashMap; import org.hsqldb.lib.StringUtil; import org.hsqldb.lib.java.JavaSystem; /** * Implementation of collation support for all CHAR and VARCHAR data. * * @author frank.schoenheit@sun.com * @author fredt@users * @version 1.8.0 * @since 1.8.0 */ public class Collation { static final HashMap nameToJavaName = new HashMap(101); static { nameToJavaName.put("Afrikaans", "af-ZA"); nameToJavaName.put("Amharic", "am-ET"); nameToJavaName.put("Arabic", "ar"); nameToJavaName.put("Assamese", "as-IN"); nameToJavaName.put("Azerbaijani_Latin", "az-AZ"); nameToJavaName.put("Azerbaijani_Cyrillic", "az-cyrillic"); nameToJavaName.put("Belarusian", "be-BY"); nameToJavaName.put("Bulgarian", "bg-BG"); nameToJavaName.put("Bengali", "bn-IN"); nameToJavaName.put("Tibetan", "bo-CN"); nameToJavaName.put("Bosnian", "bs-BA"); nameToJavaName.put("Catalan", "ca-ES"); nameToJavaName.put("Czech", "cs-CZ"); nameToJavaName.put("Welsh", "cy-GB"); nameToJavaName.put("Danish", "da-DK"); nameToJavaName.put("German", "de-DE"); nameToJavaName.put("Greek", "el-GR"); nameToJavaName.put("Latin1_General", "en-US"); nameToJavaName.put("Spanish", "es-ES"); nameToJavaName.put("Estonian", "et-EE"); nameToJavaName.put("Basque", "eu"); nameToJavaName.put("Finnish", "fi-FI"); nameToJavaName.put("French", "fr-FR"); nameToJavaName.put("Guarani", "gn-PY"); nameToJavaName.put("Gujarati", "gu-IN"); nameToJavaName.put("Hausa", "ha-NG"); nameToJavaName.put("Hebrew", "he-IL"); nameToJavaName.put("Hindi", "hi-IN"); nameToJavaName.put("Croatian", "hr-HR"); nameToJavaName.put("Hungarian", "hu-HU"); nameToJavaName.put("Armenian", "hy-AM"); nameToJavaName.put("Indonesian", "id-ID"); nameToJavaName.put("Igbo", "ig-NG"); nameToJavaName.put("Icelandic", "is-IS"); nameToJavaName.put("Italian", "it-IT"); nameToJavaName.put("Inuktitut", "iu-CA"); nameToJavaName.put("Japanese", "ja-JP"); nameToJavaName.put("Georgian", "ka-GE"); nameToJavaName.put("Kazakh", "kk-KZ"); nameToJavaName.put("Khmer", "km-KH"); nameToJavaName.put("Kannada", "kn-IN"); nameToJavaName.put("Korean", "ko-KR"); nameToJavaName.put("Konkani", "kok-IN"); nameToJavaName.put("Kashmiri", "ks"); nameToJavaName.put("Kirghiz", "ky-KG"); nameToJavaName.put("Lao", "lo-LA"); nameToJavaName.put("Lithuanian", "lt-LT"); nameToJavaName.put("Latvian", "lv-LV"); nameToJavaName.put("Maori", "mi-NZ"); nameToJavaName.put("Macedonian", "mk-MK"); nameToJavaName.put("Malayalam", "ml-IN"); nameToJavaName.put("Mongolian", "mn-MN"); nameToJavaName.put("Manipuri", "mni-IN"); nameToJavaName.put("Marathi", "mr-IN"); nameToJavaName.put("Malay", "ms-MY"); nameToJavaName.put("Maltese", "mt-MT"); nameToJavaName.put("Burmese", "my-MM"); nameToJavaName.put("Danish_Norwegian", "nb-NO"); nameToJavaName.put("Nepali", "ne-NP"); nameToJavaName.put("Dutch", "nl-NL"); nameToJavaName.put("Norwegian", "nn-NO"); nameToJavaName.put("Oriya", "or-IN"); nameToJavaName.put("Punjabi", "pa-IN"); nameToJavaName.put("Polish", "pl-PL"); nameToJavaName.put("Pashto", "ps-AF"); nameToJavaName.put("Portuguese", "pt-PT"); nameToJavaName.put("Romanian", "ro-RO"); nameToJavaName.put("Russian", "ru-RU"); nameToJavaName.put("Sanskrit", "sa-IN"); nameToJavaName.put("Sindhi", "sd-IN"); nameToJavaName.put("Slovak", "sk-SK"); nameToJavaName.put("Slovenian", "sl-SI"); nameToJavaName.put("Somali", "so-SO"); nameToJavaName.put("Albanian", "sq-AL"); nameToJavaName.put("Serbian_Cyrillic", "sr-YU"); nameToJavaName.put("Serbian_Latin", "sh-BA"); nameToJavaName.put("Swedish", "sv-SE"); nameToJavaName.put("Swahili", "sw-KE"); nameToJavaName.put("Tamil", "ta-IN"); nameToJavaName.put("Telugu", "te-IN"); nameToJavaName.put("Tajik", "tg-TJ"); nameToJavaName.put("Thai", "th-TH"); nameToJavaName.put("Turkmen", "tk-TM"); nameToJavaName.put("Tswana", "tn-BW"); nameToJavaName.put("Turkish", "tr-TR"); nameToJavaName.put("Tatar", "tt-RU"); nameToJavaName.put("Ukrainian", "uk-UA"); nameToJavaName.put("Urdu", "ur-PK"); nameToJavaName.put("Uzbek_Latin", "uz-UZ"); nameToJavaName.put("Venda", "ven-ZA"); nameToJavaName.put("Vietnamese", "vi-VN"); nameToJavaName.put("Yoruba", "yo-NG"); nameToJavaName.put("Chinese", "zh-CN"); nameToJavaName.put("Zulu", "zu-ZA"); } String name; Collator collator; Locale locale; public Collation() { locale = Locale.ENGLISH; } public org.hsqldb.lib.Iterator getCollationsIterator() { return nameToJavaName.keySet().iterator(); } public org.hsqldb.lib.Iterator getLocalesIterator() { return nameToJavaName.values().iterator(); } public void setCollationAsLocale() { Locale locale = Locale.getDefault(); String language = locale.getDisplayLanguage(Locale.ENGLISH); try { setCollation(language); } catch (HsqlException e) {} } void setCollation(String name) throws HsqlException { String jname = (String) Collation.nameToJavaName.get(name); if (jname == null) { throw Trace.error(Trace.INVALID_COLLATION_NAME_NO_SUBCLASS); } this.name = name; String[] parts = StringUtil.split(jname, "-"); String language = parts[0]; String country = parts.length == 2 ? parts[1] : ""; locale = new Locale(language, country); collator = Collator.getInstance(locale); } /** * returns -1, 0 or +1 */ int compare(String a, String b) { int i; if (collator == null) { i = a.compareTo(b); } else { i = collator.compare(a, b); } return (i == 0) ? 0 : (i < 0 ? -1 : 1); } int compareIgnoreCase(String a, String b) { int i; if (collator == null) { i = JavaSystem.CompareIngnoreCase(a, b); } else { i = collator.compare(toUpperCase(a), toUpperCase(b)); } return (i == 0) ? 0 : (i < 0 ? -1 : 1); } String toUpperCase(String s) { return s.toUpperCase(locale); } } Other HSQLDB examples (source code examples)Here is a short list of links related to this HSQLDB Collation.java source code file: |
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