1 | /* |
2 | * Copyright (c) 2001-2009, 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.impl; |
34 | |
35 | import java.io.*; |
36 | |
37 | import org.apache.log4j.*; |
38 | |
39 | import com.jeantessier.classreader.*; |
40 | |
41 | public class Signature_attribute extends Attribute_info implements com.jeantessier.classreader.Signature_attribute { |
42 | private int signatureIndex; |
43 | |
44 | public Signature_attribute(ConstantPool constantPool, Visitable owner, DataInput in) throws IOException { |
45 | super(constantPool, owner); |
46 | |
47 | int byteCount = in.readInt(); |
48 | Logger.getLogger(getClass()).debug("Attribute length: " + byteCount); |
49 | |
50 | signatureIndex = in.readUnsignedShort(); |
51 | Logger.getLogger(getClass()).debug("Signature: " + signatureIndex + " (" + getSignature() + ")"); |
52 | } |
53 | |
54 | public int getSignatureIndex() { |
55 | return signatureIndex; |
56 | } |
57 | |
58 | public UTF8_info getRawSignature() { |
59 | return (UTF8_info) getConstantPool().get(getSignatureIndex()); |
60 | } |
61 | |
62 | public String getSignature() { |
63 | return getRawSignature().getValue(); |
64 | } |
65 | |
66 | public String toString() { |
67 | return "Signature \"" + getSignature() + "\""; |
68 | } |
69 | |
70 | public String getAttributeName() { |
71 | return AttributeType.SIGNATURE.getAttributeName(); |
72 | } |
73 | |
74 | public void accept(Visitor visitor) { |
75 | visitor.visitSignature_attribute(this); |
76 | } |
77 | } |