01: /*
02: * Copyright (c) 2001-2007, Jean Tessier
03: * All rights reserved.
04: *
05: * Redistribution and use in source and binary forms, with or without
06: * modification, are permitted provided that the following conditions
07: * are met:
08: *
09: * * 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:
37: import org.apache.log4j.*;
38:
39: import com.jeantessier.text.*;
40:
41: public class Custom_attribute extends Attribute_info {
42: private String name;
43: private byte[] info;
44:
45: public Custom_attribute(Classfile classfile, Visitable owner,
46: DataInputStream in) throws IOException {
47: this ("", classfile, owner, in);
48: }
49:
50: public Custom_attribute(String name, Classfile classfile,
51: Visitable owner, DataInputStream in) throws IOException {
52: super (classfile, owner);
53:
54: this .name = name;
55:
56: int byteCount = in.readInt();
57: Logger.getLogger(getClass()).debug(
58: "Attribute length: " + byteCount);
59:
60: this .info = new byte[byteCount];
61: int bytesRead = in.read(info);
62:
63: if (Logger.getLogger(getClass()).isDebugEnabled()) {
64: Logger.getLogger(getClass()).debug(
65: "Read " + bytesRead + " byte(s): "
66: + Hex.toString(this .info));
67: }
68: }
69:
70: public String getName() {
71: return name;
72: }
73:
74: public byte[] getInfo() {
75: return info;
76: }
77:
78: public String toString() {
79: return "Custom \"" + name + "\" " + getInfo().length
80: + " byte(s)";
81: }
82:
83: public void accept(Visitor visitor) {
84: visitor.visitCustom_attribute(this);
85: }
86: }
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