src/main/java/com/google/devtools/build/lib/rules/android/AndroidLibraryAarProvider.java


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// Copyright 2015 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.lib.rules.android;

import com.google.devtools.build.lib.actions.Artifact;
import com.google.devtools.build.lib.analysis.TransitiveInfoProvider;
import com.google.devtools.build.lib.collect.nestedset.NestedSet;
import com.google.devtools.build.lib.concurrent.ThreadSafety.Immutable;
import com.google.devtools.build.lib.util.Preconditions;

import java.util.Objects;

/**
 * A target that can provide the aar artifact of Android libraries and all the manifests that are
 * merged into the main aar manifest.
 */
@Immutable
public final class AndroidLibraryAarProvider implements TransitiveInfoProvider {

  private final Aar aar;
  private final NestedSet<Aar> transitiveAars;

  public AndroidLibraryAarProvider(Aar aar, NestedSet<Aar> transitiveAars) {
    this.aar = aar;
    this.transitiveAars = transitiveAars;
  }

  public Aar getAar() {
    return aar;
  }

  public NestedSet<Aar> getTransitiveAars() {
    return transitiveAars;
  }

  /**
   * The .aar file and associated AndroidManifest.xml contributed by a single target.
   */
  @Immutable
  public static final class Aar {
    private final Artifact aar;
    private final Artifact manifest;

    public Aar(Artifact aar, Artifact manifest) {
      this.aar = Preconditions.checkNotNull(aar);
      this.manifest = Preconditions.checkNotNull(manifest);
    }

    public Artifact getAar() {
      return aar;
    }

    public Artifact getManifest() {
      return manifest;
    }

    @Override
    public int hashCode() {
      return Objects.hash(aar, manifest);
    }

    @Override
    public boolean equals(Object obj) {
      if (this == obj) {
        return true;
      }
      if (!(obj instanceof Aar)) {
        return false;
      }
      Aar other = (Aar) obj;
      return aar.equals(other.aar) && manifest.equals(other.manifest);
    }
  }
}