Showing the changes to java/pkg/sun/net/idn/StringPrepDataReader.java (1 of 18352 files). Show all
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| 1 | +/* | |
| 2 | + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 3 | + * | |
| 4 | + * This code is free software; you can redistribute it and/or modify it | |
| 5 | + * under the terms of the GNU General Public License version 2 only, as | |
| 6 | + * published by the Free Software Foundation. Oracle designates this | |
| 7 | + * particular file as subject to the "Classpath" exception as provided | |
| 8 | + * by Oracle in the LICENSE file that accompanied this code. | |
| 9 | + * | |
| 10 | + * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 11 | + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 12 | + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 13 | + * version 2 for more details (a copy is included in the LICENSE file that | |
| 14 | + * accompanied this code). | |
| 15 | + * | |
| 16 | + * You should have received a copy of the GNU General Public License version | |
| 17 | + * 2 along with this work; if not, write to the Free Software Foundation, | |
| 18 | + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 19 | + * | |
| 20 | + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 21 | + * or visit www.oracle.com if you need additional information or have any | |
| 22 | + * questions. | |
| 23 | + */ | |
| 24 | +/* | |
| 25 | +/* | |
| 26 | + ****************************************************************************** | |
| 27 | + * Copyright (C) 2003, International Business Machines Corporation and * | |
| 28 | + * others. All Rights Reserved. * | |
| 29 | + ****************************************************************************** | |
| 30 | + * | |
| 31 | + * Created on May 2, 2003 | |
| 32 | + * | |
| 33 | + * To change the template for this generated file go to | |
| 34 | + * Window>Preferences>Java>Code Generation>Code and Comments | |
| 35 | + */ | |
| 36 | +// CHANGELOG | |
| 37 | +// 2005-05-19 Edward Wang | |
| 38 | +// - copy this file from icu4jsrc_3_2/src/com/ibm/icu/impl/StringPrepDataReader.java | |
| 39 | +// - move from package com.ibm.icu.impl to package sun.net.idn | |
| 40 | +// | |
| 41 | +package sun.net.idn; | |
| 42 | + | |
| 43 | +import java.io.DataInputStream; | |
| 44 | +import java.io.IOException; | |
| 45 | +import java.io.InputStream; | |
| 46 | + | |
| 47 | +import sun.text.normalizer.ICUBinary; | |
| 48 | + | |
| 49 | + | |
| 50 | +/** | |
| 51 | + * @author ram | |
| 52 | + * | |
| 53 | + * To change the template for this generated type comment go to | |
| 54 | + * Window>Preferences>Java>Code Generation>Code and Comments | |
| 55 | + */ | |
| 56 | +final class StringPrepDataReader implements ICUBinary.Authenticate { | |
| 57 | + | |
| 58 | + /** | |
| 59 | + * <p>private constructor.</p> | |
| 60 | + * @param inputStream ICU uprop.dat file input stream | |
| 61 | + * @exception IOException throw if data file fails authentication | |
| 62 | + * @draft 2.1 | |
| 63 | + */ | |
| 64 | + public StringPrepDataReader(InputStream inputStream) | |
| 65 | + throws IOException{ | |
| 66 | + | |
| 67 | + unicodeVersion = ICUBinary.readHeader(inputStream, DATA_FORMAT_ID, this); | |
| 68 | + | |
| 69 | + | |
| 70 | + dataInputStream = new DataInputStream(inputStream); | |
| 71 | + | |
| 72 | + } | |
| 73 | + | |
| 74 | + public void read(byte[] idnaBytes, | |
| 75 | + char[] mappingTable) | |
| 76 | + throws IOException{ | |
| 77 | + | |
| 78 | + //Read the bytes that make up the idnaTrie | |
| 79 | + dataInputStream.read(idnaBytes); | |
| 80 | + | |
| 81 | + //Read the extra data | |
| 82 | + for(int i=0;i<mappingTable.length;i++){ | |
| 83 | + mappingTable[i]=dataInputStream.readChar(); | |
| 84 | + } | |
| 85 | + } | |
| 86 | + | |
| 87 | + public byte[] getDataFormatVersion(){ | |
| 88 | + return DATA_FORMAT_VERSION; | |
| 89 | + } | |
| 90 | + | |
| 91 | + public boolean isDataVersionAcceptable(byte version[]){ | |
| 92 | + return version[0] == DATA_FORMAT_VERSION[0] | |
| 93 | + && version[2] == DATA_FORMAT_VERSION[2] | |
| 94 | + && version[3] == DATA_FORMAT_VERSION[3]; | |
| 95 | + } | |
| 96 | + public int[] readIndexes(int length)throws IOException{ | |
| 97 | + int[] indexes = new int[length]; | |
| 98 | + //Read the indexes | |
| 99 | + for (int i = 0; i <length ; i++) { | |
| 100 | + indexes[i] = dataInputStream.readInt(); | |
| 101 | + } | |
| 102 | + return indexes; | |
| 103 | + } | |
| 104 | + | |
| 105 | + public byte[] getUnicodeVersion(){ | |
| 106 | + return unicodeVersion; | |
| 107 | + } | |
| 108 | + // private data members ------------------------------------------------- | |
| 109 | + | |
| 110 | + | |
| 111 | + /** | |
| 112 | + * ICU data file input stream | |
| 113 | + */ | |
| 114 | + private DataInputStream dataInputStream; | |
| 115 | + private byte[] unicodeVersion; | |
| 116 | + /** | |
| 117 | + * File format version that this class understands. | |
| 118 | + * No guarantees are made if a older version is used | |
| 119 | + * see store.c of gennorm for more information and values | |
| 120 | + */ | |
| 121 | + ///* dataFormat="SPRP" 0x53, 0x50, 0x52, 0x50 */ | |
| 122 | + private static final byte DATA_FORMAT_ID[] = {(byte)0x53, (byte)0x50, | |
| 123 | + (byte)0x52, (byte)0x50}; | |
| 124 | + private static final byte DATA_FORMAT_VERSION[] = {(byte)0x3, (byte)0x2, | |
| 125 | + (byte)0x5, (byte)0x2}; | |
| 126 | + | |
| 127 | +} | |