/* * Copyright (c) 2002, 2006, 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. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. *//* */package sun.nio.cs.ext;import java.nio.charset.Charset;import java.nio.ByteBuffer;import java.nio.CharBuffer;import java.nio.charset.CharsetDecoder;import java.nio.charset.CharsetEncoder;import java.nio.charset.CoderResult;import sun.nio.cs.HistoricallyNamedCharset;public class ISO2022_CN_CNS extends ISO2022 implements HistoricallyNamedCharset{ public ISO2022_CN_CNS() { super("x-ISO-2022-CN-CNS", ExtendedCharsets.aliasesFor("x-ISO-2022-CN-CNS")); } public boolean contains(Charset cs) { // overlapping repertoire of EUC_TW, CNS11643 return ((cs instanceof EUC_TW) || (cs.name().equals("US-ASCII")) || (cs instanceof ISO2022_CN_CNS)); } public String historicalName() { return "ISO2022CN_CNS"; } public CharsetDecoder newDecoder() { return new ISO2022_CN.Decoder(this); } public CharsetEncoder newEncoder() { return new Encoder(this); } private static class Encoder extends ISO2022.Encoder { public Encoder(Charset cs) { super(cs); SODesig = "$)G"; SS2Desig = "$*H"; SS3Desig = "$+I"; try { Charset cset = Charset.forName("EUC_TW"); // CNS11643 ISOEncoder = cset.newEncoder(); } catch (Exception e) { } } private byte[] bb = new byte[4]; public boolean canEncode(char c) { int n = 0; return (c <= '\u007f' || (n = ((EUC_TW.Encoder)ISOEncoder).toEUC(c, bb)) == 2 || (n == 4 && bb[0] == SS2 && (bb[1] == PLANE2 || bb[1] == PLANE3))); } /* * Since ISO2022-CN-CNS possesses a CharsetEncoder * without the corresponding CharsetDecoder half the * default replacement check needs to be overridden * since the parent class version attempts to * decode 0x3f (?). */ public boolean isLegalReplacement(byte[] repl) { // 0x3f is OK as the replacement byte return (repl.length == 1 && repl[0] == (byte) 0x3f); } }}
/*
* Copyright (c) 2002, 2006, 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. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
*/
package sun.nio.cs.ext;
import java.nio.charset.Charset;
import java.nio.ByteBuffer;
import java.nio.CharBuffer;
import java.nio.charset.CharsetDecoder;
import java.nio.charset.CharsetEncoder;
import java.nio.charset.CoderResult;
import sun.nio.cs.HistoricallyNamedCharset;
public class ISO2022_CN_CNS extends ISO2022 implements HistoricallyNamedCharset
{
public ISO2022_CN_CNS() {
super("x-ISO-2022-CN-CNS", ExtendedCharsets.aliasesFor("x-ISO-2022-CN-CNS"));
}
public boolean contains(Charset cs) {
// overlapping repertoire of EUC_TW, CNS11643
return ((cs instanceof EUC_TW) ||
(cs.name().equals("US-ASCII")) ||
(cs instanceof ISO2022_CN_CNS));
}
public String historicalName() {
return "ISO2022CN_CNS";
}
public CharsetDecoder newDecoder() {
return new ISO2022_CN.Decoder(this);
}
public CharsetEncoder newEncoder() {
return new Encoder(this);
}
private static class Encoder extends ISO2022.Encoder {
public Encoder(Charset cs)
{
super(cs);
SODesig = "$)G";
SS2Desig = "$*H";
SS3Desig = "$+I";
try {
Charset cset = Charset.forName("EUC_TW"); // CNS11643
ISOEncoder = cset.newEncoder();
} catch (Exception e) { }
}
private byte[] bb = new byte[4];
public boolean canEncode(char c) {
int n = 0;
return (c <= '\u007f' ||
(n = ((EUC_TW.Encoder)ISOEncoder).toEUC(c, bb)) == 2 ||
(n == 4 && bb[0] == SS2 &&
(bb[1] == PLANE2 || bb[1] == PLANE3)));
}
/*
* Since ISO2022-CN-CNS possesses a CharsetEncoder
* without the corresponding CharsetDecoder half the
* default replacement check needs to be overridden
* since the parent class version attempts to
* decode 0x3f (?).
*/
public boolean isLegalReplacement(byte[] repl) {
// 0x3f is OK as the replacement byte
return (repl.length == 1 && repl[0] == (byte) 0x3f);
}
}
}