1 /**
2  * Copyright 2007 Google Inc.
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  */
16 
17 package com.tonicsystems.jarjar.util;
18 
19 import org.objectweb.asm.ClassVisitor;
20 
21 public class JarTransformerChain extends JarTransformer
22 {
23     private final RemappingClassTransformer[] chain;
24 
JarTransformerChain(RemappingClassTransformer[] chain)25     public JarTransformerChain(RemappingClassTransformer[] chain) {
26         this.chain = chain.clone();
27         for (int i = chain.length - 1; i > 0; i--) {
28             chain[i - 1].setTarget(chain[i]);
29         }
30     }
31 
transform(ClassVisitor v)32     protected ClassVisitor transform(ClassVisitor v) {
33         chain[chain.length - 1].setTarget(v);
34         return chain[0];
35     }
36 }
37