--- a/jdk/src/share/classes/sun/io/CharToByteASCII.java Mon Aug 29 14:27:21 2011 -0700
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,183 +0,0 @@
-/*
- * Copyright (c) 1997, 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;
-
-public class CharToByteASCII extends CharToByteConverter {
-
- // Return the character set ID
- public String getCharacterEncoding()
- {
- return "ASCII";
- }
-
- private char highHalfZoneCode;
-
- public int flush(byte[] output, int outStart, int outEnd)
- throws MalformedInputException
- {
- if (highHalfZoneCode != 0) {
- highHalfZoneCode = 0;
- throw new MalformedInputException
- ("String ends with <High Half Zone code> of UTF16");
- }
- byteOff = charOff = 0;
- return 0;
- }
-
- /*
- * Character conversion
- */
- public int convert(char[] input, int inOff, int inEnd,
- byte[] output, int outOff, int outEnd)
- throws MalformedInputException,
- UnknownCharacterException,
- ConversionBufferFullException
- {
- char inputChar; // Input character to be converted
- byte[] outputByte; // Output byte written to output
- byte[] tmpArray = new byte[1];
- int inputSize; // Size of input
- int outputSize; // Size of output
-
- // Record beginning offsets
- charOff = inOff;
- byteOff = outOff;
-
- if (highHalfZoneCode != 0) {
- inputChar = highHalfZoneCode;
- highHalfZoneCode = 0;
- if (input[inOff] >= 0xdc00 && input[inOff] <= 0xdfff) {
- // This is legal UTF16 sequence.
- badInputLength = 1;
- throw new UnknownCharacterException();
- } else {
- // This is illegal UTF16 sequence.
- badInputLength = 0;
- throw new MalformedInputException
- ("Previous converted string ends with " +
- "<High Half Zone Code> of UTF16 " +
- ", but this string is not begin with <Low Half Zone>");
- }
- }
-
- // Loop until we hit the end of the input
- while(charOff < inEnd) {
- outputByte = tmpArray;
-
- // Get the input character
- inputChar = input[charOff];
-
- // default outputSize
- outputSize = 1;
-
- // Assume this is a simple character
- inputSize = 1;
-
- // Is this a high surrogate?
- if(inputChar >= '\uD800' && inputChar <= '\uDBFF') {
- // Is this the last character in the input?
- if (charOff + 1 == inEnd) {
- highHalfZoneCode = inputChar;
- break;
- }
-
- // Is there a low surrogate following?
- inputChar = input[charOff + 1];
- if (inputChar >= '\uDC00' && inputChar <= '\uDFFF') {
- // We have a valid surrogate pair. Too bad we don't map
- // surrogates. Is substitution enabled?
- if (subMode) {
- outputByte = subBytes;
- outputSize = subBytes.length;
- inputSize = 2;
- } else {
- badInputLength = 2;
- throw new UnknownCharacterException();
- }
- } else {
- // We have a malformed surrogate pair
- badInputLength = 1;
- throw new MalformedInputException();
- }
- }
- // Is this an unaccompanied low surrogate?
- else if (inputChar >= '\uDC00' && inputChar <= '\uDFFF') {
- badInputLength = 1;
- throw new MalformedInputException();
- }
- // Not part of a surrogate, so try to convert
- else {
- // Is this character mappable?
- if (inputChar <= '\u007F') {
- outputByte[0] = (byte)inputChar;
- } else {
- // Is substitution enabled?
- if (subMode) {
- outputByte = subBytes;
- outputSize = subBytes.length;
- } else {
- badInputLength = 1;
- throw new UnknownCharacterException();
- }
- }
- }
-
- // If we don't have room for the output, throw an exception
- if (byteOff + outputSize > outEnd)
- throw new ConversionBufferFullException();
-
- // Put the byte in the output buffer
- for (int i = 0; i < outputSize; i++) {
- output[byteOff++] = outputByte[i];
- }
- charOff += inputSize;
- }
-
- // Return the length written to the output buffer
- return byteOff-outOff;
- }
-
- // Determine if a character is mappable or not
- public boolean canConvert(char ch)
- {
- return (ch <= '\u007F');
- }
-
- // Reset the converter
- public void reset()
- {
- byteOff = charOff = 0;
- highHalfZoneCode = 0;
- }
-
- /**
- * returns the maximum number of bytes needed to convert a char
- */
- public int getMaxBytesPerChar()
- {
- return 1;
- }
-}