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Java > Open Source Codes > com > tonicsystems > jarjar > util > JarTransformerChain


1 /*
2   Jar Jar Links - A utility to repackage and embed Java libraries
3   Copyright (C) 2004 Tonic Systems, Inc.
4
5   This program is free software; you can redistribute it and/or modify
6   it under the terms of the GNU General Public License as published by
7   the Free Software Foundation; either version 2 of the License, or
8   (at your option) any later version.
9
10   This program is distributed in the hope that it will be useful,
11   but WITHOUT ANY WARRANTY; without even the implied warranty of
12   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13   GNU General Public License for more details.
14
15   You should have received a copy of the GNU General Public License
16   along with this program; see the file COPYING. if not, write to
17   the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
18   Boston, MA 02111-1307 USA
19 */
20
21 package com.tonicsystems.jarjar.util;
22
23 import java.util.*;
24 import java.io.IOException JavaDoc;
25 import org.objectweb.asm.ClassVisitor;
26
27 public class JarTransformerChain extends JarTransformer
28 {
29     private ClassTransformer[] chain;
30     
31     public JarTransformerChain(ClassTransformer[] chain) {
32         this.chain = chain;
33         for (int i = chain.length - 1; i > 0; i--) {
34             chain[i - 1].setTarget(chain[i]);
35         }
36     }
37
38     protected ClassVisitor transform(ClassVisitor v) {
39         chain[chain.length - 1].setTarget(v);
40         return chain[0];
41     }
42 }
43
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