1 |
779 |
jeremybenn |
/***
|
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;
|
33 |
|
|
import java.util.List;
|
34 |
|
|
|
35 |
|
|
import org.objectweb.asm.AnnotationVisitor;
|
36 |
|
|
|
37 |
|
|
/**
|
38 |
|
|
* A node that represents an annotationn.
|
39 |
|
|
*
|
40 |
|
|
* @author Eric Bruneton
|
41 |
|
|
*/
|
42 |
|
|
public class AnnotationNode implements AnnotationVisitor {
|
43 |
|
|
|
44 |
|
|
/**
|
45 |
|
|
* The class descriptor of the annotation class.
|
46 |
|
|
*/
|
47 |
|
|
public String desc;
|
48 |
|
|
|
49 |
|
|
/**
|
50 |
|
|
* The name value pairs of this annotation. Each name value pair is stored
|
51 |
|
|
* as two consecutive elements in the list. The name is a {@link String},
|
52 |
|
|
* and the value may be a {@link Byte}, {@link Boolean}, {@link Character},
|
53 |
|
|
* {@link Short}, {@link Integer}, {@link Long}, {@link Float},
|
54 |
|
|
* {@link Double}, {@link String} or {@link org.objectweb.asm.Type}, or an
|
55 |
|
|
* two elements String array (for enumeration values), a
|
56 |
|
|
* {@link AnnotationNode}, or a {@link List} of values of one of the
|
57 |
|
|
* preceding types. The list may be <tt>null</tt> if there is no name
|
58 |
|
|
* value pair.
|
59 |
|
|
*/
|
60 |
|
|
public List values;
|
61 |
|
|
|
62 |
|
|
/**
|
63 |
|
|
* Constructs a new {@link AnnotationNode}.
|
64 |
|
|
*
|
65 |
|
|
* @param desc the class descriptor of the annotation class.
|
66 |
|
|
*/
|
67 |
|
|
public AnnotationNode(final String desc) {
|
68 |
|
|
this.desc = desc;
|
69 |
|
|
}
|
70 |
|
|
|
71 |
|
|
/**
|
72 |
|
|
* Constructs a new {@link AnnotationNode} to visit an array value.
|
73 |
|
|
*
|
74 |
|
|
* @param values where the visited values must be stored.
|
75 |
|
|
*/
|
76 |
|
|
AnnotationNode(final List values) {
|
77 |
|
|
this.values = values;
|
78 |
|
|
}
|
79 |
|
|
|
80 |
|
|
// ------------------------------------------------------------------------
|
81 |
|
|
// Implementation of the AnnotationVisitor interface
|
82 |
|
|
// ------------------------------------------------------------------------
|
83 |
|
|
|
84 |
|
|
public void visit(final String name, final Object value) {
|
85 |
|
|
if (values == null) {
|
86 |
|
|
values = new ArrayList(this.desc != null ? 2 : 1);
|
87 |
|
|
}
|
88 |
|
|
if (this.desc != null) {
|
89 |
|
|
values.add(name);
|
90 |
|
|
}
|
91 |
|
|
values.add(value);
|
92 |
|
|
}
|
93 |
|
|
|
94 |
|
|
public void visitEnum(
|
95 |
|
|
final String name,
|
96 |
|
|
final String desc,
|
97 |
|
|
final String value)
|
98 |
|
|
{
|
99 |
|
|
if (values == null) {
|
100 |
|
|
values = new ArrayList(this.desc != null ? 2 : 1);
|
101 |
|
|
}
|
102 |
|
|
if (this.desc != null) {
|
103 |
|
|
values.add(name);
|
104 |
|
|
}
|
105 |
|
|
values.add(new String[] { desc, value });
|
106 |
|
|
}
|
107 |
|
|
|
108 |
|
|
public AnnotationVisitor visitAnnotation(
|
109 |
|
|
final String name,
|
110 |
|
|
final String desc)
|
111 |
|
|
{
|
112 |
|
|
if (values == null) {
|
113 |
|
|
values = new ArrayList(this.desc != null ? 2 : 1);
|
114 |
|
|
}
|
115 |
|
|
if (this.desc != null) {
|
116 |
|
|
values.add(name);
|
117 |
|
|
}
|
118 |
|
|
AnnotationNode annotation = new AnnotationNode(desc);
|
119 |
|
|
values.add(annotation);
|
120 |
|
|
return annotation;
|
121 |
|
|
}
|
122 |
|
|
|
123 |
|
|
public AnnotationVisitor visitArray(final String name) {
|
124 |
|
|
if (values == null) {
|
125 |
|
|
values = new ArrayList(this.desc != null ? 2 : 1);
|
126 |
|
|
}
|
127 |
|
|
if (this.desc != null) {
|
128 |
|
|
values.add(name);
|
129 |
|
|
}
|
130 |
|
|
List array = new ArrayList();
|
131 |
|
|
values.add(array);
|
132 |
|
|
return new AnnotationNode(array);
|
133 |
|
|
}
|
134 |
|
|
|
135 |
|
|
public void visitEnd() {
|
136 |
|
|
}
|
137 |
|
|
|
138 |
|
|
// ------------------------------------------------------------------------
|
139 |
|
|
// Accept methods
|
140 |
|
|
// ------------------------------------------------------------------------
|
141 |
|
|
|
142 |
|
|
/**
|
143 |
|
|
* Makes the given visitor visit this annotation.
|
144 |
|
|
*
|
145 |
|
|
* @param av an annotation visitor.
|
146 |
|
|
*/
|
147 |
|
|
public void accept(final AnnotationVisitor av) {
|
148 |
|
|
if (values != null) {
|
149 |
|
|
for (int i = 0; i < values.size(); i += 2) {
|
150 |
|
|
String name = (String) values.get(i);
|
151 |
|
|
Object value = values.get(i + 1);
|
152 |
|
|
accept(av, name, value);
|
153 |
|
|
}
|
154 |
|
|
}
|
155 |
|
|
av.visitEnd();
|
156 |
|
|
}
|
157 |
|
|
|
158 |
|
|
/**
|
159 |
|
|
* Makes the given visitor visit a given annotation value.
|
160 |
|
|
*
|
161 |
|
|
* @param av an annotation visitor.
|
162 |
|
|
* @param name the value name.
|
163 |
|
|
* @param value the actual value.
|
164 |
|
|
*/
|
165 |
|
|
static void accept(
|
166 |
|
|
final AnnotationVisitor av,
|
167 |
|
|
final String name,
|
168 |
|
|
final Object value)
|
169 |
|
|
{
|
170 |
|
|
if (value instanceof String[]) {
|
171 |
|
|
String[] typeconst = (String[]) value;
|
172 |
|
|
av.visitEnum(name, typeconst[0], typeconst[1]);
|
173 |
|
|
} else if (value instanceof AnnotationNode) {
|
174 |
|
|
AnnotationNode an = (AnnotationNode) value;
|
175 |
|
|
an.accept(av.visitAnnotation(name, an.desc));
|
176 |
|
|
} else if (value instanceof List) {
|
177 |
|
|
AnnotationVisitor v = av.visitArray(name);
|
178 |
|
|
List array = (List) value;
|
179 |
|
|
for (int j = 0; j < array.size(); ++j) {
|
180 |
|
|
accept(v, null, array.get(j));
|
181 |
|
|
}
|
182 |
|
|
v.visitEnd();
|
183 |
|
|
} else {
|
184 |
|
|
av.visit(name, value);
|
185 |
|
|
}
|
186 |
|
|
}
|
187 |
|
|
}
|