6529796: Support JIS X 0213:2004 in existing JDK versions, especially for Windows Vista
Summary: SJIS0213 support
Reviewed-by: naoto
/*
* Copyright 2008 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Sun designates this
* particular file as subject to the "Classpath" exception as provided
* by Sun in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*/
package sun.nio.cs.ext;
import java.nio.charset.Charset;
import java.nio.charset.CharsetEncoder;
import java.nio.charset.CharsetDecoder;
public class MS932_0213 extends Charset {
public MS932_0213() {
super("x-MS932_0213", ExtendedCharsets.aliasesFor("MS932_0213"));
}
public boolean contains(Charset cs) {
return ((cs.name().equals("US-ASCII"))
|| (cs instanceof MS932)
|| (cs instanceof MS932_0213));
}
public CharsetDecoder newDecoder() {
return new Decoder(this);
}
public CharsetEncoder newEncoder() {
return new Encoder(this);
}
protected static class Decoder extends SJIS_0213.Decoder {
MS932DB.Decoder decMS932;
protected Decoder(Charset cs) {
super(cs);
decMS932 = new MS932DB.Decoder(cs);
}
protected char decodeDouble(int b1, int b2) {
char c = decMS932.decodeDouble(b1, b2);
if (c == DoubleByteDecoder.REPLACE_CHAR)
return super.decodeDouble(b1, b2);
return c;
}
}
protected static class Encoder extends SJIS_0213.Encoder {
MS932DB.Encoder encMS932;
protected Encoder(Charset cs) {
super(cs);
encMS932 = new MS932DB.Encoder(cs);
}
protected int encodeChar(char ch) {
int db = encMS932.encodeDouble(ch);
if (db == 0)
return super.encodeChar(ch);
return db;
}
}
}