--- a/jdk/src/share/classes/sun/io/ByteToCharDoubleByte.java Mon Aug 29 14:27:21 2011 -0700
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,191 +0,0 @@
-/*
- * Copyright (c) 1997, 2002, 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;
-
-/**
- * @author Limin Shi
- * Sean Jiang
- */
-
-public abstract class ByteToCharDoubleByte extends ByteToCharConverter {
- protected byte savedByte;
-
- /*
- * 1st level index, provided by subclass
- */
- protected short index1[];
-
- /*
- * 2nd level index, provided by subclass
- * every string has 0x10*(end-start+1) characters.
- */
- protected String index2[];
-
- protected int start;
- protected int end;
-
- /*
- * Size of bad input that caused conversion to stop
- */
- protected int badInputLength;
-
- public ByteToCharDoubleByte() {
- super();
- savedByte = 0;
- }
-
-
- public short[] getIndex1() {
- return(index1);
- }
-
- public String[] getIndex2() {
- return(index2);
- }
-
- public int flush(char[] output, int outStart, int outEnd)
- throws MalformedInputException
- {
- if (savedByte != 0) {
- reset();
- badInputLength = 0;
- throw new MalformedInputException();
- }
- reset();
- return 0;
- }
-
- /**
- * Converts sequences of bytes to characters.
- * Conversions that result in Exceptions can be restarted by calling
- * convert again, with appropriately modified parameters.
- * @return the characters written to output.
- * @param input byte array containing text in Double/single Byte
- * @param inStart offset in input array
- * @param inEnd offset of last byte to be converted
- * @param output character array to receive conversion result
- * @param outStart starting offset
- * @param outEnd offset of last byte to be written to
- * @throw UnsupportedCharacterException for any bytes
- * that cannot be converted to the external character set.
- */
- public int convert(byte[] input, int inOff, int inEnd,
- char[] output, int outOff, int outEnd)
- throws UnknownCharacterException, MalformedInputException,
- ConversionBufferFullException
- {
- char outputChar = REPLACE_CHAR;
- int inputSize = 0; // Size of input
-
- // Record beginning offsets
- charOff = outOff;
- byteOff = inOff;
-
- // Loop until we hit the end of the input
- while (byteOff < inEnd) {
- int byte1, byte2;
-
- if (savedByte == 0) {
- byte1 = input[byteOff];
- inputSize = 1;
- } else {
- byte1 = savedByte;
- savedByte = 0;
- inputSize = 0;
- }
-
- outputChar = convSingleByte(byte1);
-
- if (outputChar == REPLACE_CHAR) { // DoubleByte char
- if (byteOff + inputSize >= inEnd) {
- // split in the middle of a character
- // save the first byte for next time around
- savedByte = (byte) byte1;
- byteOff += inputSize;
- break;
- }
-
- byte1 &= 0xff;
- byte2 = input[byteOff + inputSize] & 0xff;
-
- inputSize++;
- outputChar = getUnicode(byte1, byte2);
- }
-
- if (outputChar == REPLACE_CHAR) {
- if (subMode)
- outputChar = subChars[0];
- else {
- badInputLength = inputSize;
- throw new UnknownCharacterException();
- }
- }
-
- if (charOff >= outEnd)
- throw new ConversionBufferFullException();
-
- output[charOff++] = outputChar;
- byteOff += inputSize;
- }
-
- return charOff - outOff;
- }
-
- /**
- * Resets the converter.
- * Call this method to reset the converter to its initial state
- */
- public void reset() {
- byteOff = charOff = 0;
- savedByte = 0;
- }
-
-
- /*
- * Can be changed by subclass
- */
- protected char convSingleByte(int b) {
- if (b >= 0)
- return (char) b;
- return REPLACE_CHAR;
- }
-
- /*
- * Can be changed by subclass
- */
- protected char getUnicode(int byte1, int byte2) {
- // Fix for bug 4117820 - similar fix for bug 4121358 put
- // into ByteToCharEUC_JP.getUnicode()
- if (((byte1 < 0) || (byte1 > index1.length))
- || ((byte2 < start) || (byte2 > end)))
- return REPLACE_CHAR;
-
- int n = (index1[byte1] & 0xf) * (end - start + 1) + (byte2 - start);
- return index2[index1[byte1] >> 4].charAt(n);
- }
-
- protected final static char REPLACE_CHAR = '\uFFFD';
-}