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/*
* Copyright (c) 2002, 2012, Oracle and/or its affiliates. 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.
*
* 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
import java.nio.ByteBuffer;
import java.nio.CharBuffer;
import java.nio.charset.Charset;
import java.nio.charset.CharsetDecoder;
import java.nio.charset.CharsetEncoder;
import java.nio.charset.CoderResult;
import sun.nio.cs.HistoricallyNamedCharset;
import sun.nio.cs.ext.*;
public class MS932_OLD extends Charset implements HistoricallyNamedCharset
{
public MS932_OLD() {
super("windows-31j-OLD", null);
}
public String historicalName() {
return "MS932";
}
public boolean contains(Charset cs) {
return ((cs.name().equals("US-ASCII"))
|| (cs instanceof JIS_X_0201_OLD)
|| (cs instanceof MS932_OLD));
}
public CharsetDecoder newDecoder() {
return new Decoder(this);
}
public CharsetEncoder newEncoder() {
return new Encoder(this);
}
private static class Decoder extends MS932DB.Decoder
// implements DelegatableDecoder
{
JIS_X_0201_OLD.Decoder jisDec0201;
private Decoder(Charset cs) {
super(cs);
jisDec0201 = new JIS_X_0201_OLD.Decoder(cs);
}
protected char decodeSingle(int b) {
// If the high bits are all off, it's ASCII == Unicode
if ((b & 0xFF80) == 0) {
return (char)b;
}
return jisDec0201.decode(b);
}
// Make some protected methods public for use by JISAutoDetect
public CoderResult decodeLoop(ByteBuffer src, CharBuffer dst) {
return super.decodeLoop(src, dst);
}
public void implReset() {
super.implReset();
}
public CoderResult implFlush(CharBuffer out) {
return super.implFlush(out);
}
}
private static class Encoder extends MS932DB.Encoder {
private JIS_X_0201_OLD.Encoder jisEnc0201;
private Encoder(Charset cs) {
super(cs);
jisEnc0201 = new JIS_X_0201_OLD.Encoder(cs);
}
protected int encodeSingle(char inputChar) {
byte b;
// \u0000 - \u007F map straight through
if ((inputChar & 0xFF80) == 0) {
return ((byte)inputChar);
}
if ((b = jisEnc0201.encode(inputChar)) == 0)
return -1;
else
return b;
}
}
}
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