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Java > Open Source Codes > oracle > toplink > libraries > asm > ClassAdapter


1 /***
2  * ASM: a very small and fast Java bytecode manipulation framework
3  * Copyright (c) 2000,2002,2003 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
31 package oracle.toplink.libraries.asm;
32
33 /**
34  * An empty {@link ClassVisitor ClassVisitor} that delegates to another {@link
35  * ClassVisitor ClassVisitor}. This class can be used as a super class to
36  * quickly implement usefull class adapter classes, just by overriding the
37  * necessary methods.
38  *
39  * @author Eric Bruneton
40  */
41
42 public class ClassAdapter implements ClassVisitor {
43
44   /**
45    * The {@link ClassVisitor ClassVisitor} to which this adapter delegates
46    * calls.
47    */
48
49   protected ClassVisitor cv;
50
51   /**
52    * Constructs a new {@link ClassAdapter ClassAdapter} object.
53    *
54    * @param cv the class visitor to which this adapter must delegate calls.
55    */
56
57   public ClassAdapter (final ClassVisitor cv) {
58     this.cv = cv;
59   }
60
61   public void visit (
62     final int version,
63     final int access,
64     final String JavaDoc name,
65     final String JavaDoc superName,
66     final String JavaDoc[] interfaces,
67     final String JavaDoc sourceFile)
68   {
69     cv.visit(version, access, name, superName, interfaces, sourceFile);
70   }
71
72   public void visitInnerClass (
73     final String JavaDoc name,
74     final String JavaDoc outerName,
75     final String JavaDoc innerName,
76     final int access)
77   {
78     cv.visitInnerClass(name, outerName, innerName, access);
79   }
80
81   public void visitField (
82     final int access,
83     final String JavaDoc name,
84     final String JavaDoc desc,
85     final Object JavaDoc value,
86     final Attribute attrs)
87   {
88     cv.visitField(access, name, desc, value, attrs);
89   }
90
91   public CodeVisitor visitMethod (
92     final int access,
93     final String JavaDoc name,
94     final String JavaDoc desc,
95     final String JavaDoc[] exceptions,
96     final Attribute attrs)
97   {
98     return new CodeAdapter(cv.visitMethod(access, name, desc, exceptions, attrs));
99   }
100
101   public void visitAttribute (final Attribute attr) {
102     cv.visitAttribute(attr);
103   }
104
105   public void visitEnd () {
106     cv.visitEnd();
107   }
108 }
109
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