/*
* Copyright (c) 1996, 2003, 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.io;
import sun.nio.cs.ext.EUC_TW;
/*
* @author Limin Shi
*/
public class CharToByteEUC_TW extends CharToByteConverter
{
private final EUC_TW.Encoder enc = (EUC_TW.Encoder)(new EUC_TW().newEncoder());
public int flush(byte[] output, int outStart, int outEnd)
throws MalformedInputException
{
reset();
return 0;
}
public void reset() {
byteOff = charOff = 0;
}
public boolean canConvert(char ch){
return enc.canEncode(ch);
}
/**
* Character conversion
*/
public int convert(char[] input, int inOff, int inEnd,
byte[] output, int outOff, int outEnd)
throws UnknownCharacterException, MalformedInputException,
ConversionBufferFullException
{
int outputSize;
byte [] tmpbuf = new byte[4];;
byte [] outputByte;
byteOff = outOff;
//Fixed 4122961 by bringing the charOff++ out to this
// loop where it belongs, changing the loop from
// while(){} to for(){}.
for (charOff = inOff; charOff < inEnd; charOff++) {
outputByte = tmpbuf;
if ( input[charOff] < 0x80) { // ASCII
outputSize = 1;
outputByte[0] = (byte)(input[charOff] & 0x7f);
} else {
outputSize = enc.toEUC(input[charOff], outputByte);
}
if (outputSize == -1) {
if (subMode) {
outputByte = subBytes;
outputSize = subBytes.length;
} else {
badInputLength = 1;
throw new UnknownCharacterException();
}
}
if (outEnd - byteOff < outputSize)
throw new ConversionBufferFullException();
for (int i = 0; i < outputSize; i++)
output[byteOff++] = outputByte[i];
}
return byteOff - outOff;
}
/**
* returns the maximum number of bytes needed to convert a char
*/
public int getMaxBytesPerChar() {
return 4;
}
/**
* Return the character set ID
*/
public String getCharacterEncoding() {
return "EUC_TW";
}
}