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.maven.plugin.AbstractMojo;
24 import org.apache.maven.plugin.MojoExecutionException;
25 
26 public class JarJarMojo extends AbstractMojo
27 {
28     private File fromJar;
29     private File toJar;
30     private File rulesFile;
31     private String rules;
32     private boolean verbose;
33 
execute()34     public void execute() throws MojoExecutionException {
35         if (!((rulesFile == null || !rulesFile.exists()) ^ (rules == null)))
36             throw new MojoExecutionException("Exactly one of rules or rulesFile is required");
37 
38         try {
39             List<PatternElement> patterns;
40             if (rules != null) {
41                 patterns = RulesFileParser.parse(rules);
42             } else {
43                 patterns = RulesFileParser.parse(rulesFile);
44             }
45             // TODO: refactor with Main.java
46             MainProcessor proc = new MainProcessor(patterns, verbose, true);
47             StandaloneJarProcessor.run(fromJar, toJar, proc);
48             proc.strip(toJar);
49         } catch (IOException e) {
50             throw new MojoExecutionException(e.getMessage(), e);
51         }
52     }
53 }
54