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// Copyright 2014 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.auto.value.AutoValue;
import com.google.common.base.Preconditions;
import com.google.common.collect.ImmutableList;
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 java.util.List;
/** The collection of source jars from the transitive closure. */
@AutoValue
@Immutable
public abstract class JavaSourceJarsProvider implements TransitiveInfoProvider {
public static JavaSourceJarsProvider create(
NestedSet<Artifact> transitiveSourceJars, Iterable<Artifact> sourceJars) {
return new AutoValue_JavaSourceJarsProvider(
transitiveSourceJars, ImmutableList.copyOf(sourceJars));
}
JavaSourceJarsProvider() {}
/**
* Returns all the source jars in the transitive closure, that can be reached by a chain of
* JavaSourceJarsProvider instances.
*/
public abstract NestedSet<Artifact> getTransitiveSourceJars();
/** Return the source jars that are to be built when the target is on the command line. */
public abstract ImmutableList<Artifact> getSourceJars();
public static JavaSourceJarsProvider merge(List<JavaSourceJarsProvider> providers) {
if (providers.size() == 1) {
return providers.get(0);
}
JavaSourceJarsProvider.Builder result = builder();
for (JavaSourceJarsProvider provider : providers) {
result.mergeFrom(provider);
}
return result.build();
}
/** Returns a builder for a {@link JavaSourceJarsProvider}. */
public static Builder builder() {
return new Builder();
}
/** A builder for {@link JavaSourceJarsProvider}. */
public static final class Builder {
private final ImmutableList.Builder<Artifact> sourceJars = ImmutableList.builder();
private final NestedSetBuilder<Artifact> transitiveSourceJars = NestedSetBuilder.stableOrder();
/** Add a source jar that is to be built when the target is on the command line. */
public Builder addSourceJar(Artifact sourceJar) {
sourceJars.add(Preconditions.checkNotNull(sourceJar));
return this;
}
/** Add source jars to be built when the target is on the command line. */
public Builder addAllSourceJars(Iterable<Artifact> sourceJars) {
this.sourceJars.addAll(Preconditions.checkNotNull(sourceJars));
return this;
}
/**
* Add a source jar in the transitive closure, that can be reached by a chain of
* JavaSourceJarsProvider instances.
*/
public Builder addTransitiveSourceJar(Artifact transitiveSourceJar) {
transitiveSourceJars.add(Preconditions.checkNotNull(transitiveSourceJar));
return this;
}
/**
* Add source jars in the transitive closure, that can be reached by a chain of
* JavaSourceJarsProvider instances.
*/
public Builder addAllTransitiveSourceJars(NestedSet<Artifact> transitiveSourceJars) {
this.transitiveSourceJars.addTransitive(Preconditions.checkNotNull(transitiveSourceJars));
return this;
}
/** Merge the source jars and transitive source jars from the provider into this builder. */
public Builder mergeFrom(JavaSourceJarsProvider provider) {
addAllTransitiveSourceJars(provider.getTransitiveSourceJars());
addAllSourceJars(provider.getSourceJars());
return this;
}
public JavaSourceJarsProvider build() {
return JavaSourceJarsProvider.create(transitiveSourceJars.build(), sourceJars.build());
}
}
}
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