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


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 public class Field_info extends Feature_info {
39     public static final int ACC_VOLATILE = 0x0040;
40     public static final int ACC_TRANSIENT = 0x0080;
41
42     public Field_info(Classfile classfile, DataInputStream in) throws IOException {
43         super(classfile, in);
44     }
45
46     public String JavaDoc getFeatureType() {
47         return "field";
48     }
49
50     public boolean isVolatile() {
51         return (getAccessFlag() & ACC_VOLATILE) != 0;
52     }
53
54     public boolean isTransient() {
55         return (getAccessFlag() & ACC_TRANSIENT) != 0;
56     }
57
58     public String JavaDoc getType() {
59         return SignatureHelper.getType(getDescriptor());
60     }
61
62     public String JavaDoc getDeclaration() {
63         StringBuffer JavaDoc result = new StringBuffer JavaDoc();
64
65         if (isPublic()) result.append("public ");
66         if (isProtected()) result.append("protected ");
67         if (isPrivate()) result.append("private ");
68         if (isStatic()) result.append("static ");
69         if (isFinal()) result.append("final ");
70         if (isVolatile()) result.append("volatile ");
71         if (isTransient()) result.append("transient ");
72     
73         result.append(getType()).append(" ");
74         result.append(getName());
75
76         return result.toString();
77     }
78
79     public String JavaDoc getSignature() {
80         return getName();
81     }
82
83     public void accept(Visitor visitor) {
84         visitor.visitField_info(this);
85     }
86 }
87
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