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
17package com.tonicsystems.jarjar;
18
19import com.tonicsystems.jarjar.util.*;
20import java.io.File;
21import java.io.IOException;
22import java.util.*;
23import org.apache.maven.plugin.AbstractMojo;
24import org.apache.maven.plugin.MojoExecutionException;
25
26public 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
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