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// Copyright 2014 Google Inc. 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.analysis;
import com.google.common.base.Preconditions;
import com.google.devtools.build.lib.actions.Artifact;
import com.google.devtools.build.lib.collect.nestedset.NestedSet;
import com.google.devtools.build.lib.packages.OutputFile;
import com.google.devtools.build.lib.rules.test.InstrumentedFilesProvider;
import com.google.devtools.build.lib.rules.test.InstrumentedFilesProviderImpl;
/**
* A ConfiguredTarget for an OutputFile.
*/
public class OutputFileConfiguredTarget extends FileConfiguredTarget
implements InstrumentedFilesProvider {
private final TransitiveInfoCollection generatingRule;
OutputFileConfiguredTarget(
TargetContext targetContext, OutputFile outputFile,
TransitiveInfoCollection generatingRule, Artifact outputArtifact) {
super(targetContext, outputArtifact);
Preconditions.checkArgument(targetContext.getTarget() == outputFile);
this.generatingRule = generatingRule;
}
@Override
public OutputFile getTarget() {
return (OutputFile) super.getTarget();
}
public TransitiveInfoCollection getGeneratingRule() {
return generatingRule;
}
@Override
public NestedSet<TargetLicense> getTransitiveLicenses() {
return getProvider(LicensesProvider.class, LicensesProviderImpl.EMPTY)
.getTransitiveLicenses();
}
@Override
public NestedSet<Artifact> getInstrumentedFiles() {
return getProvider(InstrumentedFilesProvider.class, InstrumentedFilesProviderImpl.EMPTY)
.getInstrumentedFiles();
}
@Override
public NestedSet<Artifact> getInstrumentationMetadataFiles() {
return getProvider(InstrumentedFilesProvider.class, InstrumentedFilesProviderImpl.EMPTY)
.getInstrumentationMetadataFiles();
}
@Override
public NestedSet<Artifact> getBaselineCoverageInstrumentedFiles() {
return getProvider(InstrumentedFilesProvider.class, InstrumentedFilesProviderImpl.EMPTY)
.getBaselineCoverageInstrumentedFiles();
}
@Override
public NestedSet<Artifact> getBaselineCoverageArtifacts() {
return getProvider(InstrumentedFilesProvider.class, InstrumentedFilesProviderImpl.EMPTY)
.getBaselineCoverageArtifacts();
}
/**
* Returns the corresponding provider from the generating rule, if it is non-null, or {@code
* defaultValue} otherwise.
*/
private <T extends TransitiveInfoProvider> T getProvider(Class<T> clazz, T defaultValue) {
if (generatingRule != null) {
T result = generatingRule.getProvider(clazz);
if (result != null) {
return result;
}
}
return defaultValue;
}
}
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