| // Copyright 2016 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.Preconditions; |
| import com.google.common.base.Stopwatch; |
| import com.google.common.collect.ImmutableList; |
| import com.google.devtools.build.android.Converters.PathConverter; |
| import com.google.devtools.build.android.Converters.UnvalidatedAndroidDirectoriesConverter; |
| 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.nio.file.FileSystems; |
| import java.nio.file.Path; |
| import java.util.concurrent.TimeUnit; |
| import java.util.logging.Logger; |
| |
| /** |
| * Parses android resource XML files from a directory and serializes the results to a protobuf. |
| * Other actions that depend on the same resource directory can then load the data from a single |
| * protobuf instead of reparsing multiple tiny XML files from source (proto loading is faster). |
| */ |
| public class AndroidResourceParsingAction { |
| |
| private static final Logger logger = |
| Logger.getLogger(AndroidResourceParsingAction.class.getName()); |
| |
| /** Flag specifications for this action. */ |
| public static final class Options extends OptionsBase { |
| |
| @Option( |
| name = "primaryData", |
| defaultValue = "null", |
| converter = UnvalidatedAndroidDirectoriesConverter.class, |
| documentationCategory = OptionDocumentationCategory.UNCATEGORIZED, |
| effectTags = {OptionEffectTag.UNKNOWN}, |
| category = "input", |
| help = |
| "The resource and asset directories to parse and summarize in a symbols file." |
| + " The expected format is " |
| + UnvalidatedAndroidDirectories.EXPECTED_FORMAT |
| ) |
| public UnvalidatedAndroidDirectories primaryData; |
| |
| @Option( |
| name = "output", |
| defaultValue = "null", |
| converter = PathConverter.class, |
| documentationCategory = OptionDocumentationCategory.UNCATEGORIZED, |
| effectTags = {OptionEffectTag.UNKNOWN}, |
| category = "output", |
| help = "Path to write the output protobuf." |
| ) |
| public Path output; |
| } |
| |
| public static void main(String[] args) throws Exception { |
| OptionsParser optionsParser = OptionsParser.newOptionsParser(Options.class); |
| optionsParser.enableParamsFileSupport( |
| new ShellQuotedParamsFilePreProcessor(FileSystems.getDefault())); |
| optionsParser.parseAndExitUponError(args); |
| Options options = optionsParser.getOptions(Options.class); |
| |
| Preconditions.checkNotNull(options.primaryData); |
| Preconditions.checkNotNull(options.output); |
| |
| final Stopwatch timer = Stopwatch.createStarted(); |
| ParsedAndroidData parsedPrimary = ParsedAndroidData.from(options.primaryData); |
| logger.fine(String.format("Walked XML tree at %dms", timer.elapsed(TimeUnit.MILLISECONDS))); |
| UnwrittenMergedAndroidData unwrittenData = |
| UnwrittenMergedAndroidData.of( |
| null, parsedPrimary, ParsedAndroidData.from(ImmutableList.<DependencyAndroidData>of())); |
| AndroidDataSerializer serializer = AndroidDataSerializer.create(); |
| unwrittenData.serializeTo(serializer); |
| serializer.flushTo(options.output); |
| logger.fine( |
| String.format("Finished parse + serialize in %dms", timer.elapsed(TimeUnit.MILLISECONDS))); |
| } |
| } |