| /* |
| * Copyright 2014-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.io.ProjectFilesystem; |
| import com.facebook.buck.model.BuildTarget; |
| import com.facebook.buck.rules.coercer.BuildConfigFields; |
| import com.facebook.buck.step.ExecutionContext; |
| import com.facebook.buck.step.Step; |
| import com.facebook.buck.util.HumanReadableException; |
| import com.google.common.base.Objects; |
| import com.google.common.base.Supplier; |
| |
| import java.io.IOException; |
| import java.nio.file.Path; |
| |
| public class GenerateBuildConfigStep implements Step { |
| |
| private final BuildTarget source; |
| private final String javaPackage; |
| private final boolean useConstantExpressions; |
| private final Supplier<BuildConfigFields> fields; |
| private final Path outBuildConfigPath; |
| |
| public GenerateBuildConfigStep( |
| BuildTarget source, |
| String javaPackage, |
| boolean useConstantExpressions, |
| Supplier<BuildConfigFields> fields, |
| Path outBuildConfigPath) { |
| this.source = source; |
| this.javaPackage = javaPackage; |
| this.useConstantExpressions = useConstantExpressions; |
| this.fields = fields; |
| this.outBuildConfigPath = outBuildConfigPath; |
| if (outBuildConfigPath.getNameCount() == 0) { |
| throw new HumanReadableException("Output BuildConfig.java filepath is missing"); |
| } |
| } |
| |
| @Override |
| public int execute(ExecutionContext context) { |
| String java = BuildConfigs.generateBuildConfigDotJava( |
| source, |
| javaPackage, |
| useConstantExpressions, |
| fields.get()); |
| ProjectFilesystem filesystem = context.getProjectFilesystem(); |
| try { |
| filesystem.writeContentsToPath(java, outBuildConfigPath); |
| } catch (IOException e) { |
| context.logError(e, "Error writing BuildConfig.java: %s", outBuildConfigPath); |
| return 1; |
| } |
| |
| return 0; |
| } |
| |
| @Override |
| public String getDescription(ExecutionContext context) { |
| return String.format("generate_build_config %s", javaPackage); |
| } |
| |
| @Override |
| public String getShortName() { |
| return "generate_build_config"; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (!(obj instanceof GenerateBuildConfigStep)) { |
| return false; |
| } |
| |
| GenerateBuildConfigStep that = (GenerateBuildConfigStep) obj; |
| return Objects.equal(this.javaPackage, that.javaPackage) && |
| this.useConstantExpressions == that.useConstantExpressions && |
| Objects.equal(this.fields, that.fields) && |
| Objects.equal(this.outBuildConfigPath, that.outBuildConfigPath); |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hashCode( |
| javaPackage, |
| useConstantExpressions, |
| fields, |
| outBuildConfigPath); |
| } |
| } |