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 com.sun.tools.javac.Main; 20 21 import java.io.File; 22 import java.io.PrintWriter; 23 import java.util.HashSet; 24 import java.util.Set; 25 26 public class JavacBuildStep extends SourceBuildStep { 27 28 private final String destPath; 29 private final String classPath; 30 private final Set<String> sourceFiles = new HashSet<String>(); JavacBuildStep(String destPath, String classPath)31 public JavacBuildStep(String destPath, String classPath) { 32 super(new File(destPath)); 33 this.destPath = destPath; 34 this.classPath = classPath; 35 } 36 37 @Override addSourceFile(String sourceFile)38 public void addSourceFile(String sourceFile) 39 { 40 sourceFiles.add(sourceFile); 41 } 42 43 @Override build()44 boolean build() { 45 if (super.build()) 46 { 47 if (sourceFiles.isEmpty()) 48 { 49 return true; 50 } 51 52 File destFile = new File(destPath); 53 if (!destFile.exists() && !destFile.mkdirs()) 54 { 55 System.err.println("failed to create destination dir"); 56 return false; 57 } 58 int args = 8; 59 String[] commandLine = new String[sourceFiles.size()+args]; 60 commandLine[0] = "-classpath"; 61 commandLine[1] = classPath; 62 commandLine[2] = "-d"; 63 commandLine[3] = destPath; 64 commandLine[4] = "-source"; 65 commandLine[5] = "1.7"; 66 commandLine[6] = "-target"; 67 commandLine[7] = "1.7"; 68 69 String[] files = new String[sourceFiles.size()]; 70 sourceFiles.toArray(files); 71 72 System.arraycopy(files, 0, commandLine, args, files.length); 73 74 return Main.compile(commandLine, new PrintWriter(System.err)) == 0; 75 } 76 return false; 77 } 78 79 @Override equals(Object obj)80 public boolean equals(Object obj) { 81 if (super.equals(obj)) 82 { 83 JavacBuildStep other = (JavacBuildStep) obj; 84 return destPath.equals(other.destPath) 85 && classPath.equals(other.classPath) 86 && sourceFiles.equals(other.sourceFiles); 87 } 88 return false; 89 } 90 91 @Override hashCode()92 public int hashCode() { 93 return destPath.hashCode() ^ classPath.hashCode() ^ sourceFiles.hashCode(); 94 } 95 } 96