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/* * 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. *//*/* ****************************************************************************** * Copyright (C) 2003, International Business Machines Corporation and   * * others. All Rights Reserved.                                               * ****************************************************************************** * * Created on May 2, 2003 * * To change the template for this generated file go to * Window>Preferences>Java>Code Generation>Code and Comments */// CHANGELOG//      2005-05-19 Edward Wang//          - copy this file from icu4jsrc_3_2/src/com/ibm/icu/impl/StringPrepDataReader.java//          - move from package com.ibm.icu.impl to package sun.net.idn//package sun.net.idn; import java.io.DataInputStream;import java.io.IOException;import java.io.InputStream; import sun.text.normalizer.ICUBinary;  /** * @author ram * * To change the template for this generated type comment go to * Window>Preferences>Java>Code Generation>Code and Comments */final class StringPrepDataReader implements ICUBinary.Authenticate {    /**    * <p>private constructor.</p>    * @param inputStream ICU uprop.dat file input stream    * @exception IOException throw if data file fails authentication    * @draft 2.1    */    public StringPrepDataReader(InputStream inputStream)                                        throws IOException{         unicodeVersion = ICUBinary.readHeader(inputStream, DATA_FORMAT_ID, this);          dataInputStream = new DataInputStream(inputStream);     }     public void read(byte[] idnaBytes,                        char[] mappingTable)                        throws IOException{         //Read the bytes that make up the idnaTrie        dataInputStream.read(idnaBytes);         //Read the extra data        for(int i=0;i<mappingTable.length;i++){            mappingTable[i]=dataInputStream.readChar();        }    }     public byte[] getDataFormatVersion(){        return DATA_FORMAT_VERSION;    }     public boolean isDataVersionAcceptable(byte version[]){        return version[0] == DATA_FORMAT_VERSION[0]               && version[2] == DATA_FORMAT_VERSION[2]               && version[3] == DATA_FORMAT_VERSION[3];    }    public int[] readIndexes(int length)throws IOException{        int[] indexes = new int[length];        //Read the indexes        for (int i = 0; i <length ; i++) {             indexes[i] = dataInputStream.readInt();        }        return indexes;    }     public byte[] getUnicodeVersion(){        return unicodeVersion;    }    // private data members -------------------------------------------------      /**    * ICU data file input stream    */    private DataInputStream dataInputStream;    private byte[] unicodeVersion;    /**    * File format version that this class understands.    * No guarantees are made if a older version is used    * see store.c of gennorm for more information and values    */    ///* dataFormat="SPRP" 0x53, 0x50, 0x52, 0x50  */    private static final byte DATA_FORMAT_ID[] = {(byte)0x53, (byte)0x50,                                                    (byte)0x52, (byte)0x50};    private static final byte DATA_FORMAT_VERSION[] = {(byte)0x3, (byte)0x2,                                                        (byte)0x5, (byte)0x2}; }