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*
* Copyright 2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing, software
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package org.apache.catalina.util;
import java.util.Hashtable;
import java.util.Locale;
/**
* MIME2Java is a convenience class which handles conversions between MIME charset names
* and Java encoding names.
* The supported XML encodings are the intersection of XML-supported code sets and those
* supported in JDK 1.1.
*
MIME charset names are used on xmlEncoding parameters to methods such
* as TXDocument#setEncoding and DTD#setEncoding.
*
Java encoding names are used on encoding parameters to
* methods such as TXDocument#printWithFormat and DTD#printExternal.
*
*
*
*
* Common Name
*
*
* Use this name in XML files
*
*
* Name Type
*
*
* Xerces converts to this Java Encoder Name
*
*
*
* 8 bit Unicode
*
* UTF-8
*
*
* IANA
*
*
* UTF8
*
*
*
* ISO Latin 1
*
* ISO-8859-1
*
*
* MIME
*
*
* ISO-8859-1
*
*
*
* ISO Latin 2
*
* ISO-8859-2
*
*
* MIME
*
*
* ISO-8859-2
*
*
*
* ISO Latin 3
*
* ISO-8859-3
*
*
* MIME
*
*
* ISO-8859-3
*
*
*
* ISO Latin 4
*
* ISO-8859-4
*
*
* MIME
*
*
* ISO-8859-4
*
*
*
* ISO Latin Cyrillic
*
* ISO-8859-5
*
*
* MIME
*
*
* ISO-8859-5
*
*
*
* ISO Latin Arabic
*
* ISO-8859-6
*
*
* MIME
*
*
* ISO-8859-6
*
*
*
* ISO Latin Greek
*
* ISO-8859-7
*
*
* MIME
*
*
* ISO-8859-7
*
*
*
* ISO Latin Hebrew
*
* ISO-8859-8
*
*
* MIME
*
*
* ISO-8859-8
*
*
*
* ISO Latin 5
*
* ISO-8859-9
*
*
* MIME
*
*
* ISO-8859-9
*
*
*
* EBCDIC: US
*
* ebcdic-cp-us
*
*
* IANA
*
*
* cp037
*
*
*
* EBCDIC: Canada
*
* ebcdic-cp-ca
*
*
* IANA
*
*
* cp037
*
*
*
* EBCDIC: Netherlands
*
* ebcdic-cp-nl
*
*
* IANA
*
*
* cp037
*
*
*
* EBCDIC: Denmark
*
* ebcdic-cp-dk
*
*
* IANA
*
*
* cp277
*
*
*
* EBCDIC: Norway
*
* ebcdic-cp-no
*
*
* IANA
*
*
* cp277
*
*
*
* EBCDIC: Finland
*
* ebcdic-cp-fi
*
*
* IANA
*
*
* cp278
*
*
*
* EBCDIC: Sweden
*
* ebcdic-cp-se
*
*
* IANA
*
*
* cp278
*
*
*
* EBCDIC: Italy
*
* ebcdic-cp-it
*
*
* IANA
*
*
* cp280
*
*
*
* EBCDIC: Spain, Latin America
*
* ebcdic-cp-es
*
*
* IANA
*
*
* cp284
*
*
*
* EBCDIC: Great Britain
*
* ebcdic-cp-gb
*
*
* IANA
*
*
* cp285
*
*
*
* EBCDIC: France
*
* ebcdic-cp-fr
*
*
* IANA
*
*
* cp297
*
*
*
* EBCDIC: Arabic
*
* ebcdic-cp-ar1
*
*
* IANA
*
*
* cp420
*
*
*
* EBCDIC: Hebrew
*
* ebcdic-cp-he
*
*
* IANA
*
*
* cp424
*
*
*
* EBCDIC: Switzerland
*
* ebcdic-cp-ch
*
*
* IANA
*
*
* cp500
*
*
*
* EBCDIC: Roece
*
* ebcdic-cp-roece
*
*
* IANA
*
*
* cp870
*
*
*
* EBCDIC: Yogoslavia
*
* ebcdic-cp-yu
*
*
* IANA
*
*
* cp870
*
*
*
* EBCDIC: Iceland
*
* ebcdic-cp-is
*
*
* IANA
*
*
* cp871
*
*
*
* EBCDIC: Urdu
*
* ebcdic-cp-ar2
*
*
* IANA
*
*
* cp918
*
*
*
* Chinese for PRC, mixed 1/2 byte
*
* gb2312
*
*
* MIME
*
*
* GB2312
*
*
*
* Extended Unix Code, packed for Japanese
*
* euc-jp
*
*
* MIME
*
*
* eucjis
*
*
*
* Japanese: iso-2022-jp
*
* iso-2020-jp
*
*
* MIME
*
*
* JIS
*
*
*
* Japanese: Shift JIS
*
* Shift_JIS
*
*
* MIME
*
*
* SJIS
*
*
*
* Chinese: Big5
*
* Big5
*
*
* MIME
*
*
* Big5
*
*
*
* Extended Unix Code, packed for Korean
*
* euc-kr
*
*
* MIME
*
*
* iso2022kr
*
*
*
* Cyrillic
*
* koi8-r
*
*
* MIME
*
*
* koi8-r
*
*
*
*
* @version $Revision: 1.2 $ $Date: 2005/12/08 01:28:18 $
* @author TAMURA Kent <[email protected]>
*/
public class MIME2Java {
static private Hashtable s_enchash;
static private Hashtable s_revhash;
static {
s_enchash = new Hashtable();
// ,
s_enchash.put("UTF-8", "UTF8");
s_enchash.put("US-ASCII", "8859_1"); // ?
s_enchash.put("ISO-8859-1", "8859_1");
s_enchash.put("ISO-8859-2", "8859_2");
s_enchash.put("ISO-8859-3", "8859_3");
s_enchash.put("ISO-8859-4", "8859_4");
s_enchash.put("ISO-8859-5", "8859_5");
s_enchash.put("ISO-8859-6", "8859_6");
s_enchash.put("ISO-8859-7", "8859_7");
s_enchash.put("ISO-8859-8", "8859_8");
s_enchash.put("ISO-8859-9", "8859_9");
s_enchash.put("ISO-2022-JP", "JIS");
s_enchash.put("SHIFT_JIS", "SJIS");
s_enchash.put("EUC-JP", "EUCJIS");
s_enchash.put("GB2312", "GB2312");
s_enchash.put("BIG5", "Big5");
s_enchash.put("EUC-KR", "KSC5601");
s_enchash.put("ISO-2022-KR", "ISO2022KR");
s_enchash.put("KOI8-R", "KOI8_R");
s_enchash.put("EBCDIC-CP-US", "CP037");
s_enchash.put("EBCDIC-CP-CA", "CP037");
s_enchash.put("EBCDIC-CP-NL", "CP037");
s_enchash.put("EBCDIC-CP-DK", "CP277");
s_enchash.put("EBCDIC-CP-NO", "CP277");
s_enchash.put("EBCDIC-CP-FI", "CP278");
s_enchash.put("EBCDIC-CP-SE", "CP278");
s_enchash.put("EBCDIC-CP-IT", "CP280");
s_enchash.put("EBCDIC-CP-ES", "CP284");
s_enchash.put("EBCDIC-CP-GB", "CP285");
s_enchash.put("EBCDIC-CP-FR", "CP297");
s_enchash.put("EBCDIC-CP-AR1", "CP420");
s_enchash.put("EBCDIC-CP-HE", "CP424");
s_enchash.put("EBCDIC-CP-CH", "CP500");
s_enchash.put("EBCDIC-CP-ROECE", "CP870");
s_enchash.put("EBCDIC-CP-YU", "CP870");
s_enchash.put("EBCDIC-CP-IS", "CP871");
s_enchash.put("EBCDIC-CP-AR2", "CP918");
// j:CNS11643 -> EUC-TW?
// ISO-2022-CN? ISO-2022-CN-EXT?
s_revhash = new Hashtable();
// ,
s_revhash.put("UTF8", "UTF-8");
//s_revhash.put("8859_1", "US-ASCII"); // ?
s_revhash.put("8859_1", "ISO-8859-1");
s_revhash.put("8859_2", "ISO-8859-2");
s_revhash.put("8859_3", "ISO-8859-3");
s_revhash.put("8859_4", "ISO-8859-4");
s_revhash.put("8859_5", "ISO-8859-5");
s_revhash.put("8859_6", "ISO-8859-6");
s_revhash.put("8859_7", "ISO-8859-7");
s_revhash.put("8859_8", "ISO-8859-8");
s_revhash.put("8859_9", "ISO-8859-9");
s_revhash.put("JIS", "ISO-2022-JP");
s_revhash.put("SJIS", "Shift_JIS");
s_revhash.put("EUCJIS", "EUC-JP");
s_revhash.put("GB2312", "GB2312");
s_revhash.put("BIG5", "Big5");
s_revhash.put("KSC5601", "EUC-KR");
s_revhash.put("ISO2022KR", "ISO-2022-KR");
s_revhash.put("KOI8_R", "KOI8-R");
s_revhash.put("CP037", "EBCDIC-CP-US");
s_revhash.put("CP037", "EBCDIC-CP-CA");
s_revhash.put("CP037", "EBCDIC-CP-NL");
s_revhash.put("CP277", "EBCDIC-CP-DK");
s_revhash.put("CP277", "EBCDIC-CP-NO");
s_revhash.put("CP278", "EBCDIC-CP-FI");
s_revhash.put("CP278", "EBCDIC-CP-SE");
s_revhash.put("CP280", "EBCDIC-CP-IT");
s_revhash.put("CP284", "EBCDIC-CP-ES");
s_revhash.put("CP285", "EBCDIC-CP-GB");
s_revhash.put("CP297", "EBCDIC-CP-FR");
s_revhash.put("CP420", "EBCDIC-CP-AR1");
s_revhash.put("CP424", "EBCDIC-CP-HE");
s_revhash.put("CP500", "EBCDIC-CP-CH");
s_revhash.put("CP870", "EBCDIC-CP-ROECE");
s_revhash.put("CP870", "EBCDIC-CP-YU");
s_revhash.put("CP871", "EBCDIC-CP-IS");
s_revhash.put("CP918", "EBCDIC-CP-AR2");
}
private MIME2Java() {
}
/**
* Convert a MIME charset name, also known as an XML encoding name, to a Java encoding name.
* @param mimeCharsetName Case insensitive MIME charset name: UTF-8, US-ASCII, ISO-8859-1,
* ISO-8859-2, ISO-8859-3, ISO-8859-4, ISO-8859-5, ISO-8859-6,
* ISO-8859-7, ISO-8859-8, ISO-8859-9, ISO-2022-JP, Shift_JIS,
* EUC-JP, GB2312, Big5, EUC-KR, ISO-2022-KR, KOI8-R,
* EBCDIC-CP-US, EBCDIC-CP-CA, EBCDIC-CP-NL, EBCDIC-CP-DK,
* EBCDIC-CP-NO, EBCDIC-CP-FI, EBCDIC-CP-SE, EBCDIC-CP-IT,
* EBCDIC-CP-ES, EBCDIC-CP-GB, EBCDIC-CP-FR, EBCDIC-CP-AR1,
* EBCDIC-CP-HE, EBCDIC-CP-CH, EBCDIC-CP-ROECE, EBCDIC-CP-YU,
* EBCDIC-CP-IS and EBCDIC-CP-AR2.
* @return Java encoding name, or null if mimeCharsetName
* is unknown.
* @see #reverse
*/
public static String convert(String mimeCharsetName) {
return s_enchash.get(mimeCharsetName.toUpperCase(Locale.ENGLISH));
}
/**
* Convert a Java encoding name to MIME charset name.
* Available values of encoding are "UTF8", "8859_1", "8859_2", "8859_3", "8859_4",
* "8859_5", "8859_6", "8859_7", "8859_8", "8859_9", "JIS", "SJIS", "EUCJIS",
* "GB2312", "BIG5", "KSC5601", "ISO2022KR", "KOI8_R", "CP037", "CP277", "CP278",
* "CP280", "CP284", "CP285", "CP297", "CP420", "CP424", "CP500", "CP870", "CP871" and "CP918".
* @param encoding Case insensitive Java encoding name: UTF8, 8859_1, 8859_2, 8859_3,
* 8859_4, 8859_5, 8859_6, 8859_7, 8859_8, 8859_9, JIS, SJIS, EUCJIS,
* GB2312, BIG5, KSC5601, ISO2022KR, KOI8_R, CP037, CP277, CP278,
* CP280, CP284, CP285, CP297, CP420, CP424, CP500, CP870, CP871
* and CP918.
* @return MIME charset name, or null if encoding is unknown.
* @see #convert
*/
public static String reverse(String encoding) {
return s_revhash.get(encoding.toUpperCase(Locale.ENGLISH));
}
}