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: public class ConstantValue_attribute extends Attribute_info {
40: private int valueIndex;
41:
42: public ConstantValue_attribute(Classfile classfile,
43: Visitable owner, DataInputStream in) throws IOException {
44: super (classfile, owner);
45:
46: int byteCount = in.readInt();
47: Logger.getLogger(getClass()).debug(
48: "Attribute length: " + byteCount);
49:
50: valueIndex = in.readUnsignedShort();
51: Logger.getLogger(getClass()).debug(
52: "Constant value: " + getRawValue());
53: }
54:
55: public int getValueIndex() {
56: return valueIndex;
57: }
58:
59: public ConstantPoolEntry getRawValue() {
60: return (ConstantPoolEntry) getClassfile().getConstantPool()
61: .get(getValueIndex());
62: }
63:
64: public String toString() {
65: return "ConstantValue " + getRawValue();
66: }
67:
68: public int hashCode() {
69: return getRawValue().hashCode();
70: }
71:
72: public boolean equals(Object object) {
73: boolean result = false;
74:
75: if (this == object) {
76: result = true;
77: } else if (object != null
78: && this .getClass().equals(object.getClass())) {
79: ConstantValue_attribute other = (ConstantValue_attribute) object;
80: result = this .getRawValue().equals(other.getRawValue());
81: }
82:
83: return result;
84: }
85:
86: public void accept(Visitor visitor) {
87: visitor.visitConstantValue_attribute(this);
88: }
89: }
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