| /* |
| * Copyright (C) 2017 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package util.build; |
| |
| import com.android.tools.r8.CompilationMode; |
| import com.android.tools.r8.D8; |
| import com.android.tools.r8.D8Command; |
| import com.android.tools.r8.OutputMode; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| import java.nio.file.Paths; |
| import java.nio.file.attribute.BasicFileAttributes; |
| |
| public class D8BuildStep extends BuildStep { |
| |
| private final boolean deleteInputFileAfterBuild; |
| private final D8Command.Builder builder; |
| |
| D8BuildStep(BuildFile inputFile, BuildFile outputFile, boolean deleteInputFileAfterBuild) { |
| super(inputFile, outputFile); |
| this.deleteInputFileAfterBuild = deleteInputFileAfterBuild; |
| this.builder = |
| D8Command.builder() |
| .setMode(CompilationMode.DEBUG) |
| .setMinApiLevel(1000) |
| .setDisableDesugaring(true); |
| } |
| |
| @Override |
| boolean build() { |
| |
| if (super.build()) { |
| try { |
| builder.setOutput(Paths.get(outputFile.fileName.getAbsolutePath()), OutputMode.DexIndexed); |
| Files.find( |
| Paths.get(inputFile.fileName.getAbsolutePath()), |
| 1000, |
| D8BuildStep::isJarOrClassFile) |
| .forEach( |
| p -> { |
| try { |
| builder.addProgramFiles(p); |
| } catch (Throwable e) { |
| e.printStackTrace(); |
| } |
| }); |
| D8.run(builder.build()); |
| } catch (Throwable e) { |
| e.printStackTrace(); |
| return false; |
| } |
| if (deleteInputFileAfterBuild) { |
| inputFile.fileName.delete(); |
| } |
| return true; |
| } |
| return false; |
| } |
| |
| @Override |
| public int hashCode() { |
| return inputFile.hashCode() ^ outputFile.hashCode(); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (super.equals(obj)) { |
| D8BuildStep other = (D8BuildStep) obj; |
| |
| return inputFile.equals(other.inputFile) && outputFile.equals(other.outputFile); |
| } |
| return false; |
| } |
| |
| private static boolean isJarOrClassFile(Path file, BasicFileAttributes attrs) { |
| if (!attrs.isRegularFile()) { |
| return false; |
| } |
| String name = file.getFileName().toString().toLowerCase(); |
| return name.endsWith(".jar") || name.endsWith(".class"); |
| } |
| } |