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Java > Open Source Codes > com > jeantessier > classreader > Custom_attribute


1 /*
2  * Copyright (c) 2001-2005, Jean Tessier
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  *
9  * * Redistributions of source code must retain the above copyright
10  * notice, this list of conditions and the following disclaimer.
11  *
12  * * Redistributions in binary form must reproduce the above copyright
13  * notice, this list of conditions and the following disclaimer in the
14  * documentation and/or other materials provided with the distribution.
15  *
16  * * Neither the name of Jean Tessier nor the names of his contributors
17  * may be used to endorse or promote products derived from this software
18  * without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR
24  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
25  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
26  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
27  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
28  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
29  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
30  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31  */
32
33 package com.jeantessier.classreader;
34
35 import java.io.*;
36 import java.util.*;
37
38 import org.apache.log4j.*;
39
40 public class Custom_attribute extends Attribute_info {
41     private String JavaDoc name;
42     private byte[] info;
43
44     public Custom_attribute(Classfile classfile, Visitable owner, DataInputStream in) throws IOException {
45         this("", classfile, owner, in);
46     }
47
48     public Custom_attribute(String JavaDoc name, Classfile classfile, Visitable owner, DataInputStream in) throws IOException {
49         super(classfile, owner);
50
51         this.name = name;
52
53         int byteCount = in.readInt();
54         Logger.getLogger(getClass()).debug("Attribute length: " + byteCount);
55
56         this.info = new byte[byteCount];
57         int bytesRead = in.read(info);
58         Logger.getLogger(getClass()).debug("Bytes read: " + bytesRead);
59     }
60
61     public String JavaDoc getName() {
62         return name;
63     }
64
65     public byte[] getInfo() {
66         return info;
67     }
68
69     public String JavaDoc toString() {
70         return "Custom \"" + name + "\" " + getInfo().length + " byte(s)";
71     }
72
73     public void accept(Visitor visitor) {
74         visitor.visitCustom_attribute(this);
75     }
76 }
77
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