// 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.common.collect.ImmutableSet;
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;
/**
* Provider for users of Java plugins.
*/
@Immutable
public final class JavaPluginInfoProvider implements TransitiveInfoProvider {
public static JavaPluginInfoProvider merge(Iterable<JavaPluginInfoProvider> providers) {
ImmutableSet.Builder<String> processorClasses = ImmutableSet.builder();
NestedSetBuilder<Artifact> processorClasspath = NestedSetBuilder.naiveLinkOrder();
ImmutableSet.Builder<String> apiGeneratingProcessorClasses = ImmutableSet.builder();
NestedSetBuilder<Artifact> apiGeneratingProcessorClasspath = NestedSetBuilder.naiveLinkOrder();
for (JavaPluginInfoProvider provider : providers) {
processorClasses.addAll(provider.getProcessorClasses());
processorClasspath.addTransitive(provider.getProcessorClasspath());
apiGeneratingProcessorClasses.addAll(provider.getApiGeneratingProcessorClasses());
apiGeneratingProcessorClasspath.addTransitive(provider.getApiGeneratingProcessorClasspath());
}
return new JavaPluginInfoProvider(
processorClasses.build(),
processorClasspath.build(),
apiGeneratingProcessorClasses.build(),
apiGeneratingProcessorClasspath.build());
}
private final ImmutableSet<String> processorClasses;
private final NestedSet<Artifact> processorClasspath;
private final ImmutableSet<String> apiGeneratingProcessorClasses;
private final NestedSet<Artifact> apiGeneratingProcessorClasspath;
public JavaPluginInfoProvider(
ImmutableSet<String> processorClasses,
NestedSet<Artifact> processorClasspath,
ImmutableSet<String> apiGeneratingProcessorClasses,
NestedSet<Artifact> apiGeneratingProcessorClasspath) {
this.processorClasses = processorClasses;
this.processorClasspath = processorClasspath;
this.apiGeneratingProcessorClasses = apiGeneratingProcessorClasses;
this.apiGeneratingProcessorClasspath = apiGeneratingProcessorClasspath;
}
/**
* Returns the class that should be passed to javac in order
* to run the annotation processor this class represents.
*/
public ImmutableSet<String> getProcessorClasses() {
return processorClasses;
}
/**
* Returns the artifacts to add to the runtime classpath for this plugin.
*/
public NestedSet<Artifact> getProcessorClasspath() {
return processorClasspath;
}
/** Returns the class names of API-generating annotation processors. */
public ImmutableSet<String> getApiGeneratingProcessorClasses() {
return apiGeneratingProcessorClasses;
}
/** Returns the artifacts to add to the runtime classpath of the API-generating processors. */
public NestedSet<Artifact> getApiGeneratingProcessorClasspath() {
return apiGeneratingProcessorClasspath;
}
}