Showing the changes to java/pkg/sun/io/ByteToCharASCII.java (1 of 18352 files). Show all
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| 1 | /* | ||
| 2 | * Copyright (c) 1997, Oracle and/or its affiliates. All rights reserved. | ||
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | ||
| 4 | * | ||
| 5 | * This code is free software; you can redistribute it and/or modify it | ||
| 6 | * under the terms of the GNU General Public License version 2 only, as | ||
| 7 | * published by the Free Software Foundation. Oracle designates this | ||
| 8 | * particular file as subject to the "Classpath" exception as provided | ||
| 9 | * by Oracle in the LICENSE file that accompanied this code. | ||
| 10 | * | ||
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT | ||
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
| 14 | * version 2 for more details (a copy is included in the LICENSE file that | ||
| 15 | * accompanied this code). | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU General Public License version | ||
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, | ||
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | ||
| 20 | * | ||
| 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
| 22 | * or visit www.oracle.com if you need additional information or have any | ||
| 23 | * questions. | ||
| 24 | */ | ||
| 25 | |||
| 26 | package sun.io; | ||
| 27 | |||
| 28 | /** | ||
| 29 | * A algorithmic conversion from ASCII to Unicode | ||
| 30 | * | ||
| 31 | * @author Limin Shi | ||
| 32 | */ | ||
| 33 | public class ByteToCharASCII extends ByteToCharConverter { | ||
| 34 | |||
| 35 | // Return the character set id | ||
| 36 | public String getCharacterEncoding() | ||
| 37 | { | ||
| 38 | return "ASCII"; | ||
| 39 | } | ||
| 40 | |||
| 41 | public int flush(char[] output, int outStart, int outEnd) { | ||
| 42 | // This converter will not buffer any data. | ||
| 43 | byteOff = charOff = 0; | ||
| 44 | return 0; | ||
| 45 | } | ||
| 46 | |||
| 47 | /** | ||
| 48 | * Algorithmic character conversion | ||
| 49 | */ | ||
| 50 | public int convert(byte[] input, int inOff, int inEnd, | ||
| 51 | char[] output, int outOff, int outEnd) | ||
| 52 | throws ConversionBufferFullException, UnknownCharacterException | ||
| 53 | { | ||
| 54 | byte inputByte; | ||
| 55 | |||
| 56 | charOff = outOff; | ||
| 57 | byteOff = inOff; | ||
| 58 | |||
| 59 | // Loop until we hit the end of the input | ||
| 60 | while(byteOff < inEnd) | ||
| 61 | { | ||
| 62 | // If we don't have room for the output, throw an exception | ||
| 63 | if (charOff >= outEnd) | ||
| 64 | throw new ConversionBufferFullException(); | ||
| 65 | |||
| 66 | // Convert the input byte | ||
| 67 | inputByte = input[byteOff++]; | ||
| 68 | |||
| 69 | if (inputByte >= 0) | ||
| 70 | output[charOff++] = (char)inputByte; | ||
| 71 | else { | ||
| 72 | if (subMode) | ||
| 73 | output[charOff++] = '\uFFFD'; // Replace Char | ||
| 74 | else { | ||
| 75 | badInputLength = 1; | ||
| 76 | throw new UnknownCharacterException(); | ||
| 77 | } | ||
| 78 | } | ||
| 79 | } | ||
| 80 | |||
| 81 | // Return the length written to the output buffer | ||
| 82 | return charOff-outOff; | ||
| 83 | } | ||
| 84 | |||
| 85 | /* | ||
| 86 | * Reset after finding bad input | ||
| 87 | */ | ||
| 88 | public void reset() { | ||
| 89 | byteOff = charOff = 0; | ||
| 90 | } | ||
| 91 | |||
| 92 | } | ||