1 /* 2 * ==================================================================== 3 * The Apache Software License, Version 1.1 4 * 5 * Copyright (c) 2000 The Apache Software Foundation. All rights 6 * reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in 17 * the documentation and/or other materials provided with the 18 * distribution. 19 * 20 * 3. The end-user documentation included with the redistribution, 21 * if any, must include the following acknowledgment: 22 * "This product includes software developed by the 23 * Apache Software Foundation (http://www.apache.org/)." 24 * Alternately, this acknowledgment may appear in the software itself, 25 * if and wherever such third-party acknowledgments normally appear. 26 * 27 * 4. The names "Apache" and "Apache Software Foundation" must 28 * not be used to endorse or promote products derived from this 29 * software without prior written permission. For written 30 * permission, please contact apache@apache.org. 31 * 32 * 5. Products derived from this software may not be called "Apache", 33 * nor may "Apache" appear in their name, without prior written 34 * permission of the Apache Software Foundation. 35 * 36 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED 37 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 38 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 39 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR 40 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 41 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 42 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 43 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 44 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 45 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 46 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 47 * SUCH DAMAGE. 48 * ==================================================================== 49 * 50 * This software consists of voluntary contributions made by many 51 * individuals on behalf of the Apache Software Foundation. For more 52 * information on the Apache Software Foundation, please see 53 * <http://www.apache.org/>. 54 * 55 */ 56 package org.apache.poi.hpsf; 57 58 import java.io.*; 59 60 /** 61 * REWRITE ME 62 * <p> 63 * Represents a class ID (16 bytes). Unlike other little-endian type the {@link 64 * ClassID} is not just 16 bytes stored in the wrong order. Instead, it is a 65 * double word (4 bytes) followed by two words (2 bytes each) followed by 8 66 * bytes.</p> 67 * 68 *@author Rainer Klute (klute@rainer-klute.de) 69 *@created May 10, 2002 70 *@see LittleEndian 71 *@version $Id: ClassID.java,v 1.2 2002/05/19 18:09:26 acoliver Exp $ 72 *@since 2002-02-09 73 */ 74 public class ClassID { 75 76 /** 77 * <p> 78 * 79 * Creates a {@link ClassID} and reads its value from a byte array.</p> 80 * 81 *@param src The byte array to read from. 82 *@param offset The offset of the first byte to read. 83 */ 84 public ClassID(final byte[] src, final int offset) { 85 // super(src, offset); 86 } 87 88 89 90 public final static int LENGTH = 16; 91 92 public int length() { 93 return LENGTH; 94 } 95 96 public byte[] getBytes() { 97 98 throw new RuntimeException("This fucntion must be rewritten"); 99 } 100 101 102 /** 103 * Description of the Method - REWRITE ME REWRITE ME REWRITE ME 104 * ISNT += offset a bug? -- doesn't the order of operations evaluate that 105 * last? 106 * 107 *@param src Description of the Parameter 108 *@param offset Description of the Parameter 109 *@return Description of the Return Value 110 */ 111 public byte[] read(byte[] src, int offset) { 112 byte[] retval = new byte[24]; 113 114 throw new RuntimeException("This fucntion must be rewritten"); 115 /* 116 Object[] b = new Object[11]; 117 b[0] = new Long(LittleEndian.getUInt(src, offset)); 118 b[1] = new Integer(LittleEndian.getInt(src, offset += LittleEndian.INT_SIZE)); 119 b[2] = new Integer(LittleEndian.getInt(src, offset += LittleEndian.INT_SIZE)); 120 b[3] = new Byte(LittleEndian.getUnsignedByte(src, offset += LittleEndian.INT_SIZE); 121 b[4] = new Byte(LittleEndian.getUnsignedByte(src, offset += 1)); 122 b[5] = new Byte(LittleEndian.getUnsignedByte(src, offset += 1)); 123 b[6] = new Byte(LittleEndian.getUnsignedByte(src, offset += 1)); 124 b[7] = new Byte(LittleEndian.getUnsignedByte(src, offset += 1)); 125 b[8] = new Byte(LittleEndian.getUnsignedByte(src, offset += 1)); 126 b[9] = new Byte(LittleEndian.getUnsignedByte(src, offset += 1)); 127 b[10] = new Byte(LittleEndian.getUnsignedByte(src, offset += 1)); 128 int capacity = 24; 129 // for (int i = 0; i < b.length; i++) { 130 // capacity += b[i].getBytes().length; 131 // } 132 bytes = new byte[capacity]; 133 int pos = 0; 134 135 for (int i = 0; i < b.length; i++) { 136 byte[] s = b[i].getBytes(); 137 for (int j = 0; j < s.length; j++) { 138 bytes[pos++] = s[j]; 139 } 140 } 141 return bytes;*/ 142 } 143 144 } 145