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Java > Open Source Codes > org > objectweb > asm > tree > MemberNode


1 /***
2  * ASM: a very small and fast Java bytecode manipulation framework
3  * Copyright (c) 2000-2005 INRIA, France Telecom
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  * notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  * notice, this list of conditions and the following disclaimer in the
13  * documentation and/or other materials provided with the distribution.
14  * 3. Neither the name of the copyright holders nor the names of its
15  * contributors may be used to endorse or promote products derived from
16  * this software without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
22  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
28  * THE POSSIBILITY OF SUCH DAMAGE.
29  */
30 package org.objectweb.asm.tree;
31
32 import java.util.ArrayList JavaDoc;
33 import java.util.List JavaDoc;
34
35 import org.objectweb.asm.AnnotationVisitor;
36 import org.objectweb.asm.Attribute;
37
38 /**
39  * An abstract class, field or method node.
40  *
41  * @author Eric Bruneton
42  */
43 public abstract class MemberNode {
44
45     /**
46      * The runtime visible annotations of this class, field or method. This list
47      * is a list of {@link AnnotationNode} objects. May be <tt>null</tt>.
48      *
49      * @associates org.objectweb.asm.tree.AnnotationNode
50      * @label visible
51      */
52     public List JavaDoc visibleAnnotations;
53
54     /**
55      * The runtime invisible annotations of this class, field or method. This
56      * list is a list of {@link AnnotationNode} objects. May be <tt>null</tt>.
57      *
58      * @associates org.objectweb.asm.tree.AnnotationNode
59      * @label invisible
60      */
61     public List JavaDoc invisibleAnnotations;
62
63     /**
64      * The non standard attributes of this class, field or method. This list is
65      * a list of {@link Attribute} objects. May be <tt>null</tt>.
66      *
67      * @associates org.objectweb.asm.Attribute
68      */
69     public List JavaDoc attrs;
70
71     /**
72      * Constructs a new {@link MemberNode}.
73      */
74     public MemberNode() {
75     }
76
77     /**
78      * Visits an annotation of this class, field or method.
79      *
80      * @param desc the class descriptor of the annotation class.
81      * @param visible <tt>true</tt> if the annotation is visible at runtime.
82      * @return a visitor to visit the annotation values.
83      */
84     public AnnotationVisitor visitAnnotation(
85         final String JavaDoc desc,
86         final boolean visible)
87     {
88         AnnotationNode an = new AnnotationNode(desc);
89         if (visible) {
90             if (visibleAnnotations == null) {
91                 visibleAnnotations = new ArrayList JavaDoc(1);
92             }
93             visibleAnnotations.add(an);
94         } else {
95             if (invisibleAnnotations == null) {
96                 invisibleAnnotations = new ArrayList JavaDoc(1);
97             }
98             invisibleAnnotations.add(an);
99         }
100         return an;
101     }
102
103     /**
104      * Visits a non standard attribute of this class, field or method.
105      *
106      * @param attr an attribute.
107      */
108     public void visitAttribute(final Attribute attr) {
109         if (attrs == null) {
110             attrs = new ArrayList JavaDoc(1);
111         }
112         attrs.add(attr);
113     }
114
115     /**
116      * Visits the end of this class, field or method.
117      */
118     public void visitEnd() {
119     }
120 }
121
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