| /* |
| * Copyright 2015-present Facebook, Inc. |
| * |
| * 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 com.facebook.buck.android; |
| |
| import com.facebook.buck.model.BuildTargets; |
| import com.facebook.buck.rules.AbstractBuildRule; |
| import com.facebook.buck.rules.BuildContext; |
| import com.facebook.buck.rules.BuildRuleParams; |
| import com.facebook.buck.rules.BuildableContext; |
| import com.facebook.buck.rules.RuleKey.Builder; |
| import com.facebook.buck.rules.SourcePath; |
| import com.facebook.buck.rules.SourcePathResolver; |
| import com.facebook.buck.step.Step; |
| import com.facebook.buck.step.fs.CopyStep; |
| import com.facebook.buck.step.fs.MakeCleanDirectoryStep; |
| import com.google.common.collect.ImmutableCollection; |
| import com.google.common.collect.ImmutableList; |
| |
| import java.nio.file.Path; |
| |
| public class AssembleDirectories extends AbstractBuildRule { |
| |
| private final Path destinationDirectory; |
| private final ImmutableCollection<SourcePath> originalDirectories; |
| |
| public AssembleDirectories( |
| BuildRuleParams buildRuleParams, |
| SourcePathResolver resolver, |
| ImmutableCollection<SourcePath> directories) { |
| super(buildRuleParams, resolver); |
| this.originalDirectories = directories; |
| this.destinationDirectory = BuildTargets.getGenPath( |
| buildRuleParams.getBuildTarget(), |
| "__assembled_%s__"); |
| } |
| |
| @Override |
| public ImmutableList<Step> getBuildSteps(BuildContext context, |
| BuildableContext buildableContext) { |
| ImmutableList.Builder<Step> steps = ImmutableList.builder(); |
| steps.add(new MakeCleanDirectoryStep(destinationDirectory)); |
| for (SourcePath directory : originalDirectories) { |
| Path resolvedPath = getResolver().getPath(directory); |
| steps.add(CopyStep.forDirectory( |
| resolvedPath, |
| destinationDirectory, |
| CopyStep.DirectoryMode.CONTENTS_ONLY)); |
| } |
| buildableContext.recordArtifact(destinationDirectory); |
| return steps.build(); |
| } |
| |
| @Override |
| public Path getPathToOutputFile() { |
| return destinationDirectory; |
| } |
| |
| @Override |
| protected ImmutableCollection<Path> getInputsToCompareToOutput() { |
| ImmutableList.Builder<Path> builder = ImmutableList.builder(); |
| builder.addAll(getResolver().filterInputsToCompareToOutput(originalDirectories)); |
| return builder.build(); |
| } |
| |
| @Override |
| protected Builder appendDetailsToRuleKey(Builder builder) { |
| return builder; |
| } |
| } |