| // Copyright 2017 The Bazel Authors. All rights reserved. |
| // |
| // 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.google.devtools.build.android; |
| |
| import com.google.common.base.Stopwatch; |
| import com.google.common.base.Strings; |
| import com.google.devtools.build.android.AndroidResourceMerger.MergingException; |
| import com.google.devtools.build.android.AndroidResourceProcessor.AaptConfigOptions; |
| import com.google.devtools.build.android.Converters.PathConverter; |
| import com.google.devtools.common.options.Option; |
| import com.google.devtools.common.options.OptionDocumentationCategory; |
| import com.google.devtools.common.options.OptionEffectTag; |
| import com.google.devtools.common.options.OptionsBase; |
| import com.google.devtools.common.options.OptionsParser; |
| import com.google.devtools.common.options.ShellQuotedParamsFilePreProcessor; |
| import java.io.IOException; |
| import java.nio.file.FileSystems; |
| import java.nio.file.Path; |
| import java.util.List; |
| import java.util.concurrent.TimeUnit; |
| import java.util.logging.Level; |
| import java.util.logging.Logger; |
| |
| /** |
| * Generates the R class for an android_library with made up field initializers for the ids. The |
| * real ids will be assigned when the android_binary is built. |
| * |
| * <p>Collects the R class fields from the parsed resource, and then writes out the resource class |
| * files to a jar. |
| */ |
| public class LibraryRClassGeneratorAction { |
| |
| private static final Logger logger = |
| Logger.getLogger(LibraryRClassGeneratorAction.class.getName()); |
| |
| /** Flag specifications for this action. */ |
| public static final class Options extends OptionsBase { |
| @Option( |
| name = "classJarOutput", |
| defaultValue = "null", |
| converter = PathConverter.class, |
| documentationCategory = OptionDocumentationCategory.UNCATEGORIZED, |
| effectTags = {OptionEffectTag.UNKNOWN}, |
| category = "output", |
| help = "Path for the generated java class jar." |
| ) |
| public Path classJarOutput; |
| |
| @Option( |
| name = "packageForR", |
| defaultValue = "null", |
| documentationCategory = OptionDocumentationCategory.UNCATEGORIZED, |
| effectTags = {OptionEffectTag.UNKNOWN}, |
| category = "config", |
| help = "Custom java package to generate the R symbols files." |
| ) |
| public String packageForR; |
| |
| @Option( |
| name = "symbol", |
| allowMultiple = true, |
| defaultValue = "", |
| converter = PathConverter.class, |
| documentationCategory = OptionDocumentationCategory.UNCATEGORIZED, |
| effectTags = {OptionEffectTag.UNKNOWN}, |
| category = "config", |
| help = "Parsed symbol binaries to write as R classes." |
| ) |
| public List<Path> symbols; |
| |
| @Option( |
| name = "targetLabel", |
| defaultValue = "null", |
| category = "input", |
| documentationCategory = OptionDocumentationCategory.UNCATEGORIZED, |
| effectTags = {OptionEffectTag.UNKNOWN}, |
| help = "A label to add to the output jar's manifest as 'Target-Label'" |
| ) |
| public String targetLabel; |
| |
| @Option( |
| name = "injectingRuleKind", |
| defaultValue = "null", |
| category = "input", |
| documentationCategory = OptionDocumentationCategory.UNCATEGORIZED, |
| effectTags = {OptionEffectTag.UNKNOWN}, |
| help = "A string to add to the output jar's manifest as 'Injecting-Rule-Kind'" |
| ) |
| public String injectingRuleKind; |
| } |
| |
| public static void main(String[] args) throws Exception { |
| final Stopwatch timer = Stopwatch.createStarted(); |
| OptionsParser optionsParser = |
| OptionsParser.newOptionsParser(Options.class, AaptConfigOptions.class); |
| optionsParser.enableParamsFileSupport( |
| new ShellQuotedParamsFilePreProcessor(FileSystems.getDefault())); |
| optionsParser.parseAndExitUponError(args); |
| AaptConfigOptions aaptConfigOptions = optionsParser.getOptions(AaptConfigOptions.class); |
| Options options = optionsParser.getOptions(Options.class); |
| logger.fine( |
| String.format("Option parsing finished at %sms", timer.elapsed(TimeUnit.MILLISECONDS))); |
| try (ScopedTemporaryDirectory scopedTmp = |
| new ScopedTemporaryDirectory("android_resource_generated")) { |
| AndroidResourceClassWriter resourceClassWriter = |
| AndroidResourceClassWriter.createWith( |
| aaptConfigOptions.androidJar, |
| scopedTmp.getPath(), |
| Strings.nullToEmpty(options.packageForR)); |
| resourceClassWriter.setIncludeClassFile(true); |
| resourceClassWriter.setIncludeJavaFile(false); |
| logger.fine(String.format("Setup finished at %sms", timer.elapsed(TimeUnit.MILLISECONDS))); |
| |
| final ParsedAndroidData data = |
| AndroidParsedDataDeserializer.deserializeSymbolsToData(options.symbols); |
| logger.fine( |
| String.format("Deserialization finished at %sms", timer.elapsed(TimeUnit.MILLISECONDS))); |
| |
| data.writeResourcesTo(resourceClassWriter); |
| resourceClassWriter.flush(); |
| logger.fine( |
| String.format("R writing finished at %sms", timer.elapsed(TimeUnit.MILLISECONDS))); |
| |
| AndroidResourceOutputs.createClassJar( |
| scopedTmp.getPath(), |
| options.classJarOutput, |
| options.targetLabel, |
| options.injectingRuleKind); |
| logger.fine( |
| String.format( |
| "Creating class jar finished at %sms", timer.elapsed(TimeUnit.MILLISECONDS))); |
| } catch (IOException | MergingException | DeserializationException e) { |
| logger.log(Level.SEVERE, "Errors during R generation.", e); |
| throw e; |
| } |
| } |
| } |