com.facebook.buck.jvm.java.CalculateAbi.java Source code

Introduction

Here is the source code for com.facebook.buck.jvm.java.CalculateAbi.java

Source

/*
 * 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.jvm.java;

import com.facebook.buck.model.BuildTarget;
import com.facebook.buck.model.BuildTargets;
import com.facebook.buck.model.Flavor;
import com.facebook.buck.model.ImmutableFlavor;
import com.facebook.buck.rules.AbstractBuildRule;
import com.facebook.buck.rules.AddToRuleKey;
import com.facebook.buck.rules.BuildContext;
import com.facebook.buck.rules.BuildRuleParams;
import com.facebook.buck.rules.BuildableContext;
import com.facebook.buck.rules.SourcePath;
import com.facebook.buck.rules.SourcePathRuleFinder;
import com.facebook.buck.rules.keys.SupportsInputBasedRuleKey;
import com.facebook.buck.step.Step;
import com.facebook.buck.step.fs.MkdirStep;
import com.facebook.buck.step.fs.RmStep;
import com.google.common.base.Suppliers;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableSortedSet;

import java.nio.file.Path;

public class CalculateAbi extends AbstractBuildRule implements SupportsInputBasedRuleKey {

    public static final Flavor FLAVOR = ImmutableFlavor.of("abi");

    @AddToRuleKey
    private final SourcePath binaryJar;
    private final Path outputPath;

    public CalculateAbi(BuildRuleParams buildRuleParams, SourcePath binaryJar) {
        super(buildRuleParams);
        this.binaryJar = binaryJar;
        this.outputPath = getAbiJarPath();
    }

    public static CalculateAbi of(BuildTarget target, SourcePathRuleFinder ruleFinder,
            BuildRuleParams libraryParams, SourcePath library) {
        return new CalculateAbi(libraryParams.copyWithChanges(target,
                Suppliers.ofInstance(ImmutableSortedSet.copyOf(ruleFinder.filterBuildRuleInputs(library))),
                Suppliers.ofInstance(ImmutableSortedSet.of())), library);
    }

    private Path getAbiJarPath() {
        return BuildTargets.getGenPath(getProjectFilesystem(), getBuildTarget(), "%s")
                .resolve(String.format("%s-abi.jar", getBuildTarget().getShortName()));
    }

    @Override
    public ImmutableList<Step> getBuildSteps(BuildContext context, BuildableContext buildableContext) {
        return ImmutableList.of(new MkdirStep(getProjectFilesystem(), getAbiJarPath().getParent()),
                new RmStep(getProjectFilesystem(), getAbiJarPath(), RmStep.Mode.FORCED),
                new CalculateAbiStep(buildableContext, getProjectFilesystem(),
                        context.getSourcePathResolver().getAbsolutePath(binaryJar), getPathToOutput()));
    }

    @Override
    public Path getPathToOutput() {
        return outputPath;
    }

}