1 | package org.farng.mp3.object; |
2 | |
3 | /** |
4 | * ID3v2 and Lyrics3v2 tags have individual fields <code>AbstractMP3Fragment</code>s Then each fragment is broken down |
5 | * in to individual <code>AbstractMP3Object</code>s |
6 | * |
7 | * @author Eric Farng |
8 | * @version $Revision: 1.5 $ |
9 | */ |
10 | public class ObjectStringSizeTerminated extends AbstractMP3Object { |
11 | |
12 | /** |
13 | * Creates a new ObjectStringSizeTerminated object. |
14 | */ |
15 | public ObjectStringSizeTerminated(final String identifier) { |
16 | this.identifier = identifier; |
17 | } |
18 | |
19 | /** |
20 | * Creates a new ObjectStringSizeTerminated object. |
21 | */ |
22 | public ObjectStringSizeTerminated(final ObjectStringSizeTerminated object) { |
23 | super(object); |
24 | } |
25 | |
26 | public int getSize() { |
27 | final String str = writeString(); |
28 | if (str != null) { |
29 | return str.length(); |
30 | } |
31 | return 0; |
32 | } |
33 | |
34 | public boolean equals(final Object obj) { |
35 | if (obj instanceof ObjectStringSizeTerminated == false) { |
36 | return false; |
37 | } |
38 | return super.equals(obj); |
39 | } |
40 | |
41 | public void readString(final String str, final int offset) { |
42 | if (str == null) { |
43 | throw new NullPointerException("String is null"); |
44 | } |
45 | if ((offset < 0) || (offset >= str.length())) { |
46 | throw new IndexOutOfBoundsException("Offset to String is out of bounds: offset = " + |
47 | offset + |
48 | ", string.length()" + |
49 | str.length()); |
50 | } |
51 | this.value = str.substring(offset); |
52 | } |
53 | |
54 | public String toString() { |
55 | return writeString(); |
56 | } |
57 | |
58 | public String writeString() { |
59 | return (String) this.value; |
60 | } |
61 | } |