com.facebook.buck.android.AndroidAppModularity.java Source code

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Here is the source code for com.facebook.buck.android.AndroidAppModularity.java

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/*
 * Copyright 2012-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.android.apkmodule.APKModule;
import com.facebook.buck.core.build.buildable.context.BuildableContext;
import com.facebook.buck.core.build.context.BuildContext;
import com.facebook.buck.core.model.BuildTarget;
import com.facebook.buck.core.model.impl.BuildTargetPaths;
import com.facebook.buck.core.rulekey.AddToRuleKey;
import com.facebook.buck.core.rules.BuildRuleParams;
import com.facebook.buck.core.rules.impl.AbstractBuildRuleWithDeclaredAndExtraDeps;
import com.facebook.buck.core.sourcepath.ExplicitBuildTargetSourcePath;
import com.facebook.buck.core.sourcepath.SourcePath;
import com.facebook.buck.io.BuildCellRelativePath;
import com.facebook.buck.io.filesystem.ProjectFilesystem;
import com.facebook.buck.step.Step;
import com.facebook.buck.step.fs.MkdirStep;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMultimap;
import com.google.common.collect.ImmutableSet;
import java.nio.file.Path;
import java.util.AbstractMap;
import java.util.Optional;

public class AndroidAppModularity extends AbstractBuildRuleWithDeclaredAndExtraDeps {

    @AddToRuleKey
    private final AndroidAppModularityGraphEnhancementResult result;

    AndroidAppModularity(BuildTarget buildTarget, ProjectFilesystem projectFilesystem, BuildRuleParams params,
            AndroidAppModularityGraphEnhancementResult result) {
        super(buildTarget, projectFilesystem, params);
        this.result = result;
    }

    @Override
    public ImmutableList<Step> getBuildSteps(BuildContext buildContext, BuildableContext buildableContext) {
        ImmutableList.Builder<Step> steps = ImmutableList.builder();

        Path metadataFile = buildContext.getSourcePathResolver().getRelativePath(getSourcePathToOutput());

        steps.add(MkdirStep.of(BuildCellRelativePath.fromCellRelativePath(buildContext.getBuildCellRootPath(),
                getProjectFilesystem(), metadataFile.getParent())));

        ImmutableMultimap.Builder<APKModule, Path> additionalDexStoreToJarPathMapBuilder = ImmutableMultimap
                .builder();
        additionalDexStoreToJarPathMapBuilder
                .putAll(result.getPackageableCollection().getModuleMappedClasspathEntriesToDex().entries().stream()
                        .map(input -> new AbstractMap.SimpleEntry<>(input.getKey(),
                                getProjectFilesystem().relativize(
                                        buildContext.getSourcePathResolver().getAbsolutePath(input.getValue()))))
                        .collect(ImmutableSet.toImmutableSet()));
        ImmutableMultimap<APKModule, Path> additionalDexStoreToJarPathMap = additionalDexStoreToJarPathMapBuilder
                .build();

        steps.add(WriteAppModuleMetadataStep.writeModuleMetadata(metadataFile, additionalDexStoreToJarPathMap,
                result.getAPKModuleGraph(), getProjectFilesystem(), Optional.empty(), Optional.empty(),
                /*skipProguard*/ true));

        buildableContext.recordArtifact(metadataFile);

        return steps.build();
    }

    @Override
    public SourcePath getSourcePathToOutput() {
        return ExplicitBuildTargetSourcePath.of(getBuildTarget(),
                BuildTargetPaths.getGenPath(getProjectFilesystem(), getBuildTarget(), "%s/modulemetadata.txt"));
    }
}