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;
18 
19 import com.tonicsystems.jarjar.util.*;
20 import java.io.File;
21 import java.io.IOException;
22 import java.util.*;
23 import org.apache.tools.ant.BuildException;
24 
25 public class JarJarTask extends AntJarProcessor
26 {
27     private List<PatternElement> patterns = new ArrayList<PatternElement>();
28 
addConfiguredRule(Rule rule)29     public void addConfiguredRule(Rule rule) {
30         if (rule.getPattern() == null || rule.getResult() == null)
31             throw new IllegalArgumentException("The <rule> element requires both \"pattern\" and \"result\" attributes.");
32         patterns.add(rule);
33     }
34 
addConfiguredZap(Zap zap)35     public void addConfiguredZap(Zap zap) {
36         if (zap.getPattern() == null)
37             throw new IllegalArgumentException("The <zap> element requires a \"pattern\" attribute.");
38         patterns.add(zap);
39     }
40 
addConfiguredKeep(Keep keep)41     public void addConfiguredKeep(Keep keep) {
42         if (keep.getPattern() == null)
43             throw new IllegalArgumentException("The <keep> element requires a \"pattern\" attribute.");
44         patterns.add(keep);
45     }
46 
execute()47     public void execute() throws BuildException {
48         MainProcessor proc = new MainProcessor(patterns, verbose, false);
49         execute(proc);
50         try {
51             proc.strip(getDestFile());
52         } catch (IOException e) {
53             throw new BuildException(e);
54         }
55     }
56 
cleanHelper()57     protected void cleanHelper() {
58         super.cleanHelper();
59         patterns.clear();
60     }
61 }
62