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      1 /*
      2  * Copyright (C) 2013 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 java.io.File;
     20 import java.io.IOException;
     21 
     22 public class JillBuildStep extends BuildStep {
     23 
     24     JillBuildStep(BuildFile inputFile, BuildFile outputFile) {
     25         super(inputFile, outputFile);
     26     }
     27 
     28     @Override
     29     boolean build() {
     30         if (super.build()) {
     31             File tmpInputJar = new File(inputFile.fileName.getPath() + ".jar");
     32             try {
     33 
     34                 File outDir = outputFile.fileName.getParentFile();
     35                 if (!outDir.exists() && !outDir.mkdirs()) {
     36                     System.err.println("failed to create output dir: "
     37                             + outDir.getAbsolutePath());
     38                     return false;
     39                 }
     40 
     41                 // input file is a class file but jack supports only jar
     42                 JarBuildStep jarStep = new JarBuildStep(
     43                     inputFile,
     44                     inputFile.fileName.getName(),
     45                     new BuildFile(tmpInputJar),
     46                     /* deleteInputFileAfterBuild = */ false);
     47                 if (!jarStep.build()) {
     48                   throw new IOException("Failed to make jar: " + outputFile.getPath());
     49                 }
     50 
     51 
     52                 String[] commandLine = new String[] {
     53                     "--verbose",
     54                     "error",
     55                     "--import",
     56                     tmpInputJar.getAbsolutePath(),
     57                     "--output-jack",
     58                     outputFile.fileName.getAbsolutePath(),
     59                   };
     60 
     61                 ExecuteFile exec = new ExecuteFile(JackBuildDalvikSuite.JACK, commandLine);
     62                 exec.setErr(System.err);
     63                 exec.setOut(System.out);
     64                 if (!exec.run()) {
     65                     return false;
     66                 }
     67 
     68                 return true;
     69             } catch (Throwable ex) {
     70                 System.err.println("exception while transforming jack file from jar "
     71                         + inputFile.fileName.getAbsolutePath() + " to "
     72                         + outputFile.fileName.getAbsolutePath());
     73                 ex.printStackTrace();
     74             } finally {
     75                 tmpInputJar.delete();
     76             }
     77         }
     78         return false;
     79     }
     80 
     81     @Override
     82     public boolean equals(Object obj) {
     83         if (super.equals(obj)) {
     84             JillBuildStep other = (JillBuildStep) obj;
     85 
     86             return inputFile.equals(other.inputFile) && outputFile.equals(other.outputFile);
     87         }
     88         return false;
     89     }
     90 
     91     @Override
     92     public int hashCode() {
     93         return inputFile.hashCode() ^ outputFile.hashCode();
     94     }
     95 }
     96