| /* |
| * 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"; |
| } |
| } |