diff -r 64f7ee2f31dd -r 2f6d68f22eae jdk/src/share/classes/sun/io/CharToByteASCII.java --- 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 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 " + - " of UTF16 " + - ", but this string is not begin with "); - } - } - - // 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; - } -}