| Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
| ByteArraySizeTerminated |
|
| 2.2857142857142856;2.286 |
| 1 | /** | |
| 2 | * @author : Paul Taylor | |
| 3 | * @author : Eric Farng | |
| 4 | * | |
| 5 | * Version @version:$Id: ByteArraySizeTerminated.java,v 1.8 2008/07/21 10:45:41 paultaylor Exp $ | |
| 6 | * | |
| 7 | * MusicTag Copyright (C)2003,2004 | |
| 8 | * | |
| 9 | * This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser | |
| 10 | * General Public License as published by the Free Software Foundation; either version 2.1 of the License, | |
| 11 | * or (at your option) any later version. | |
| 12 | * | |
| 13 | * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even | |
| 14 | * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. | |
| 15 | * See the GNU Lesser General Public License for more details. | |
| 16 | * | |
| 17 | * You should have received a copy of the GNU Lesser General Public License along with this library; if not, | |
| 18 | * you can get a copy from http://www.opensource.org/licenses/lgpl-license.php or write to the Free Software | |
| 19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
| 20 | * | |
| 21 | * Description: | |
| 22 | * | |
| 23 | */ | |
| 24 | package org.jaudiotagger.tag.datatype; | |
| 25 | ||
| 26 | import org.jaudiotagger.tag.InvalidDataTypeException; | |
| 27 | import org.jaudiotagger.tag.id3.AbstractTagFrameBody; | |
| 28 | ||
| 29 | /** | |
| 30 | * Represents a stream of bytes, continuing until the end of the buffer. Usually used for binary data or where | |
| 31 | * we havent yet mapped the data to a better fitting type. | |
| 32 | */ | |
| 33 | public class ByteArraySizeTerminated extends AbstractDataType | |
| 34 | { | |
| 35 | public ByteArraySizeTerminated(String identifier, AbstractTagFrameBody frameBody) | |
| 36 | { | |
| 37 | 240 | super(identifier, frameBody); |
| 38 | 240 | } |
| 39 | ||
| 40 | public ByteArraySizeTerminated(ByteArraySizeTerminated object) | |
| 41 | { | |
| 42 | 86 | super(object); |
| 43 | 86 | } |
| 44 | ||
| 45 | /** | |
| 46 | * Return the size in byte of this datatype | |
| 47 | * | |
| 48 | * @return the size in bytes | |
| 49 | */ | |
| 50 | public int getSize() | |
| 51 | { | |
| 52 | 224 | int len = 0; |
| 53 | ||
| 54 | 224 | if (value != null) |
| 55 | { | |
| 56 | 203 | len = ((byte[]) value).length; |
| 57 | } | |
| 58 | ||
| 59 | 224 | return len; |
| 60 | } | |
| 61 | ||
| 62 | public boolean equals(Object obj) | |
| 63 | { | |
| 64 | 0 | if (obj instanceof ByteArraySizeTerminated == false) |
| 65 | { | |
| 66 | 0 | return false; |
| 67 | } | |
| 68 | ||
| 69 | 0 | return super.equals(obj); |
| 70 | } | |
| 71 | ||
| 72 | /** | |
| 73 | * @param arr | |
| 74 | * @param offset | |
| 75 | * @throws NullPointerException | |
| 76 | * @throws IndexOutOfBoundsException | |
| 77 | */ | |
| 78 | public void readByteArray(byte[] arr, int offset) throws InvalidDataTypeException | |
| 79 | { | |
| 80 | 154 | if (arr == null) |
| 81 | { | |
| 82 | 0 | throw new NullPointerException("Byte array is null"); |
| 83 | } | |
| 84 | ||
| 85 | 154 | if (offset < 0) |
| 86 | { | |
| 87 | 0 | throw new IndexOutOfBoundsException("Offset to byte array is out of bounds: offset = " + offset + ", array.length = " + arr.length); |
| 88 | } | |
| 89 | ||
| 90 | //Empty Byte Array | |
| 91 | 154 | if (offset >= arr.length) |
| 92 | { | |
| 93 | 13 | value = null; |
| 94 | 13 | return; |
| 95 | } | |
| 96 | ||
| 97 | 141 | int len = arr.length - offset; |
| 98 | 141 | value = new byte[len]; |
| 99 | 141 | System.arraycopy(arr, offset, value, 0, len); |
| 100 | 141 | } |
| 101 | ||
| 102 | /** | |
| 103 | * Because this is usually binary data and could be very long we just return | |
| 104 | * the number of bytes held | |
| 105 | * | |
| 106 | * @return the number of bytes | |
| 107 | */ | |
| 108 | public String toString() | |
| 109 | { | |
| 110 | 0 | return getSize() + " bytes"; |
| 111 | } | |
| 112 | ||
| 113 | /** | |
| 114 | * Write contents to a byte array | |
| 115 | * | |
| 116 | * @return a byte array that that contians the data that should be perisisted to file | |
| 117 | */ | |
| 118 | public byte[] writeByteArray() | |
| 119 | { | |
| 120 | 70 | logger.info("Writing byte array" + this.getIdentifier()); |
| 121 | 70 | return (byte[]) value; |
| 122 | } | |
| 123 | } |