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Java > Open Source Codes > proguard > classfile > attribute > annotation > ParameterAnnotationsAttribute


1 /*
2  * ProGuard -- shrinking, optimization, obfuscation, and preverification
3  * of Java bytecode.
4  *
5  * Copyright (c) 2002-2007 Eric Lafortune (eric@graphics.cornell.edu)
6  *
7  * This library is free software; you can redistribute it and/or modify it
8  * under the terms of the GNU General Public License as published by the Free
9  * Software Foundation; either version 2 of the License, or (at your option)
10  * any later version.
11  *
12  * This library is distributed in the hope that it will be useful, but WITHOUT
13  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14  * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
15  * for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public License
18  * along with this library; if not, write to the Free Software Foundation,
19  * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20  */

21 package proguard.classfile.attribute.annotation;
22
23 import proguard.classfile.*;
24 import proguard.classfile.attribute.Attribute;
25 import proguard.classfile.attribute.annotation.visitor.AnnotationVisitor;
26
27 import java.io.*;
28
29 /**
30  * This Attribute represents a runtime parameter annotations attribute.
31  *
32  * @author Eric Lafortune
33  */

34 public abstract class ParameterAnnotationsAttribute extends Attribute
35 {
36     public int u2parametersCount;
37     public int[] u2parameterAnnotationsCount;
38     public Annotation[][] parameterAnnotations;
39
40
41     protected ParameterAnnotationsAttribute()
42     {
43     }
44
45
46     /**
47      * Applies the given visitor to all annotations.
48      */

49     public void annotationsAccept(Clazz clazz, Method method, AnnotationVisitor annotationVisitor)
50     {
51         // Loop over all parameters.
52
for (int parameterIndex = 0; parameterIndex < u2parametersCount; parameterIndex++)
53         {
54             int annotationsCount = u2parameterAnnotationsCount[parameterIndex];
55             Annotation[] annotations = parameterAnnotations[parameterIndex];
56
57             // Loop over all parameter annotations.
58
for (int index = 0; index < annotationsCount; index++)
59             {
60                 // We don't need double dispatching here, since there is only one
61
// type of Annotation.
62
annotationVisitor.visitAnnotation(clazz, method, parameterIndex, annotations[index]);
63             }
64         }
65     }
66 }
67
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