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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 | } | ||