| // 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.java; |
| |
| 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.collect.nestedset.NestedSetBuilder; |
| import com.google.devtools.build.lib.concurrent.ThreadSafety.Immutable; |
| import com.google.devtools.build.lib.skyframe.serialization.autocodec.AutoCodec; |
| |
| /** A target that can provide proguard specifications to Android binaries. */ |
| @Immutable |
| @AutoCodec |
| public final class ProguardSpecProvider implements TransitiveInfoProvider { |
| |
| private final NestedSet<Artifact> transitiveProguardSpecs; |
| |
| public ProguardSpecProvider(NestedSet<Artifact> transitiveProguardSpecs) { |
| this.transitiveProguardSpecs = transitiveProguardSpecs; |
| } |
| |
| public NestedSet<Artifact> getTransitiveProguardSpecs() { |
| return transitiveProguardSpecs; |
| } |
| |
| public static ProguardSpecProvider merge(Iterable<ProguardSpecProvider> providers) { |
| NestedSetBuilder<Artifact> specs = NestedSetBuilder.stableOrder(); |
| for (ProguardSpecProvider wrapper : providers) { |
| specs.addTransitive(wrapper.getTransitiveProguardSpecs()); |
| } |
| return new ProguardSpecProvider(specs.build()); |
| } |
| |
| } |