| // 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.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.packages.BuiltinProvider; |
| import com.google.devtools.build.lib.packages.NativeInfo; |
| import com.google.devtools.build.lib.skylarkbuildapi.java.ProguardSpecProviderApi; |
| import com.google.devtools.build.lib.syntax.EvalException; |
| import com.google.devtools.build.lib.syntax.SkylarkNestedSet; |
| |
| /** A target that can provide proguard specifications to Android binaries. */ |
| @Immutable |
| public final class ProguardSpecProvider extends NativeInfo |
| implements ProguardSpecProviderApi<Artifact> { |
| |
| public static final String PROVIDER_NAME = "ProguardSpecProvider"; |
| public static final Provider PROVIDER = new Provider(); |
| |
| private final NestedSet<Artifact> transitiveProguardSpecs; |
| |
| public ProguardSpecProvider(NestedSet<Artifact> transitiveProguardSpecs) { |
| super(PROVIDER); |
| this.transitiveProguardSpecs = transitiveProguardSpecs; |
| } |
| |
| @Override |
| 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()); |
| } |
| |
| /** Provider class for {@link ProguardSpecProvider} objects. */ |
| public static class Provider extends BuiltinProvider<ProguardSpecProvider> |
| implements ProguardSpecProviderApi.Provider<Artifact> { |
| private Provider() { |
| super(PROVIDER_NAME, ProguardSpecProvider.class); |
| } |
| |
| public String getName() { |
| return PROVIDER_NAME; |
| } |
| |
| @Override |
| public ProguardSpecProvider create(SkylarkNestedSet specs) throws EvalException { |
| return new ProguardSpecProvider( |
| NestedSetBuilder.<Artifact>stableOrder() |
| .addTransitive(specs.getSetFromParam(Artifact.class, "specs")) |
| .build()); |
| } |
| } |
| } |