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* Copyright 2004 The Apache Software Foundation
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* you may not use this file except in compliance with the License.
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/*
*
* This class was originally written by Jason Hunter
* as part of the book "Java Servlet Programming" (O'Reilly).
* See http://www.servlets.com/book for more information.
* Used by Sun Microsystems with permission.
*
*/
package org.apache.tomcat.util.http;
import java.util.*;
/**
* A mapping to determine the (somewhat arbitrarily) preferred charset for
* a given locale. Supports all locales recognized in JDK 1.1.
* This class was originally written by Jason Hunter [[email protected]]
* as part of the book "Java Servlet Programming" (O'Reilly).
* See
* http://www.servlets.com/book for more information.
* Used by Sun Microsystems with permission.
*/
public class LocaleToCharsetMap {
private static Hashtable map;
static {
map = new Hashtable();
map.put("ar", "ISO-8859-6");
map.put("be", "ISO-8859-5");
map.put("bg", "ISO-8859-5");
map.put("ca", "ISO-8859-1");
map.put("cs", "ISO-8859-2");
map.put("da", "ISO-8859-1");
map.put("de", "ISO-8859-1");
map.put("el", "ISO-8859-7");
map.put("en", "ISO-8859-1");
map.put("es", "ISO-8859-1");
map.put("et", "ISO-8859-1");
map.put("fi", "ISO-8859-1");
map.put("fr", "ISO-8859-1");
map.put("hr", "ISO-8859-2");
map.put("hu", "ISO-8859-2");
map.put("is", "ISO-8859-1");
map.put("it", "ISO-8859-1");
map.put("iw", "ISO-8859-8");
map.put("ja", "Shift_JIS");
map.put("ko", "EUC-KR"); // Requires JDK 1.1.6
map.put("lt", "ISO-8859-2");
map.put("lv", "ISO-8859-2");
map.put("mk", "ISO-8859-5");
map.put("nl", "ISO-8859-1");
map.put("no", "ISO-8859-1");
map.put("pl", "ISO-8859-2");
map.put("pt", "ISO-8859-1");
map.put("ro", "ISO-8859-2");
map.put("ru", "ISO-8859-5");
map.put("sh", "ISO-8859-5");
map.put("sk", "ISO-8859-2");
map.put("sl", "ISO-8859-2");
map.put("sq", "ISO-8859-2");
map.put("sr", "ISO-8859-5");
map.put("sv", "ISO-8859-1");
map.put("tr", "ISO-8859-9");
map.put("uk", "ISO-8859-5");
map.put("zh", "GB2312");
map.put("zh_TW", "Big5");
}
/**
* Gets the preferred charset for the given locale, or null if the locale
* is not recognized.
*
* @param loc the locale
* @return the preferred charset
*/
public static String getCharset(Locale loc) {
String charset;
// Try for an full name match (may include country)
charset = (String) map.get(loc.toString());
if (charset != null) return charset;
// If a full name didn't match, try just the language
charset = (String) map.get(loc.getLanguage());
return charset; // may be null
}
}