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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.common.collect.ImmutableList;
import com.google.devtools.build.lib.analysis.ConfiguredTarget;
import com.google.devtools.build.lib.analysis.RuleConfiguredTargetBuilder;
import com.google.devtools.build.lib.analysis.RuleContext;
import com.google.devtools.build.lib.rules.RuleConfiguredTargetFactory;
import com.google.devtools.build.lib.syntax.Type;
/**
* Implementation for the java_plugin rule.
*/
public class JavaPlugin implements RuleConfiguredTargetFactory {
private final JavaSemantics semantics;
protected JavaPlugin(JavaSemantics semantics) {
this.semantics = semantics;
}
@Override
public ConfiguredTarget create(RuleContext ruleContext) throws InterruptedException {
JavaLibrary javaLibrary = new JavaLibrary(semantics);
JavaCommon common = new JavaCommon(ruleContext, semantics);
RuleConfiguredTargetBuilder builder = javaLibrary.init(ruleContext, common);
if (builder == null) {
return null;
}
builder.add(JavaPluginInfoProvider.class, new JavaPluginInfoProvider(
getProcessorClasses(ruleContext), common.getRuntimeClasspath()));
return builder.build();
}
/**
* Returns the class that should be passed to javac in order
* to run the annotation processor this class represents.
*/
private ImmutableList<String> getProcessorClasses(RuleContext ruleContext) {
if (ruleContext.getRule().isAttributeValueExplicitlySpecified("processor_class")) {
return ImmutableList.of(ruleContext.attributes().get("processor_class", Type.STRING));
}
return ImmutableList.of();
}
}
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