ClassTransformerChain.java revision 674060f01e9090cd21b3c5656cc3204912ad17a6 
1/*
2 * Copyright 2003,2004 The Apache Software Foundation
3 *
4 *  Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 *  Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16package org.mockito.cglib.transform;
17
18import org.mockito.asm.*;
19
20public class ClassTransformerChain extends AbstractClassTransformer {
21    private ClassTransformer[] chain;
22
23    public ClassTransformerChain(ClassTransformer[] chain) {
24        this.chain = (ClassTransformer[])chain.clone();
25    }
26
27    public void setTarget(ClassVisitor v) {
28        super.setTarget(chain[0]);
29        ClassVisitor next = v;
30        for (int i = chain.length - 1; i >= 0; i--) {
31            chain[i].setTarget(next);
32            next = chain[i];
33        }
34    }
35
36    public MethodVisitor visitMethod(int access,
37                                     String name,
38                                     String desc,
39                                     String signature,
40                                     String[] exceptions) {
41        return cv.visitMethod(access, name, desc, signature, exceptions);
42    }
43
44    public String toString() {
45        StringBuffer sb = new StringBuffer();
46        sb.append("ClassTransformerChain{");
47        for (int i = 0; i < chain.length; i++) {
48            if (i > 0) {
49                sb.append(", ");
50            }
51            sb.append(chain[i].toString());
52        }
53        sb.append("}");
54        return sb.toString();
55    }
56}
57