1 /*
2  * Copyright (C) 2008 The Android Open Source Project
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 util.build;
18 
19 import sun.tools.jar.Main;
20 
21 import java.io.File;
22 import java.io.IOException;
23 
24 
25 public class JarBuildStep extends BuildStep {
26 
27     String destFileName;
28     private final boolean deleteInputFileAfterBuild;
29 
JarBuildStep(BuildFile inputFile, String destFileName, BuildFile outputFile, boolean deleteInputFileAfterBuild)30     public JarBuildStep(BuildFile inputFile, String destFileName,
31             BuildFile outputFile, boolean deleteInputFileAfterBuild) {
32         super(inputFile, outputFile);
33         this.destFileName = destFileName;
34         this.deleteInputFileAfterBuild = deleteInputFileAfterBuild;
35     }
36 
37     @Override
build()38     boolean build() {
39         if (super.build()) {
40             File tempFile = new File(inputFile.folder, destFileName);
41             try {
42                 if (!inputFile.fileName.equals(tempFile)) {
43                     copyFile(inputFile.fileName, tempFile);
44                 } else {
45                     tempFile = null;
46                 }
47             } catch (IOException e) {
48                 System.err.println("io exception:"+e.getMessage());
49                 e.printStackTrace();
50                 return false;
51             }
52 
53             File outDir = outputFile.fileName.getParentFile();
54             if (!outDir.exists() && !outDir.mkdirs()) {
55                 System.err.println("failed to create output dir: "
56                         + outDir.getAbsolutePath());
57                 return false;
58             }
59             String[] arguments = new String[] {
60                     "-cMf", outputFile.fileName.getAbsolutePath(), "-C",
61                     inputFile.folder.getAbsolutePath(), destFileName};
62             Main main = new Main(System.out, System.err, "jar");
63             boolean success = main.run(arguments);
64 
65             if (success) {
66                 if (tempFile != null) {
67                     tempFile.delete();
68                 }
69                 if (deleteInputFileAfterBuild) {
70                     inputFile.fileName.delete();
71                 }
72             } else {
73                 System.err.println("exception in JarBuildStep while calling jar with args:" +
74                         " \"-cMf\", "+outputFile.fileName.getAbsolutePath()+", \"-C\"," +
75                         inputFile.folder.getAbsolutePath()+", "+ destFileName);
76             }
77             return success;
78         }
79         return false;
80     }
81 
82     @Override
hashCode()83     public int hashCode() {
84         return inputFile.hashCode() ^ outputFile.hashCode()
85                 ^ destFileName.hashCode();
86     }
87 
88     @Override
equals(Object obj)89     public boolean equals(Object obj) {
90         if (super.equals(obj)) {
91             JarBuildStep other = (JarBuildStep) obj;
92             return inputFile.equals(other.inputFile)
93                     && outputFile.equals(other.outputFile)
94                     && destFileName.equals(other.destFileName);
95 
96         }
97         return false;
98     }
99 
100 }
101