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// Copyright 2017 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 static com.google.devtools.build.lib.rules.java.JavaStarlarkCommon.checkPrivateAccess;
import com.google.auto.value.AutoValue;
import com.google.common.collect.ImmutableList;
import com.google.devtools.build.lib.actions.Artifact;
import com.google.devtools.build.lib.analysis.PackageSpecificationProvider;
import com.google.devtools.build.lib.analysis.TransitiveInfoProvider;
import com.google.devtools.build.lib.cmdline.Label;
import com.google.devtools.build.lib.collect.nestedset.Depset;
import com.google.devtools.build.lib.collect.nestedset.NestedSet;
import com.google.devtools.build.lib.concurrent.ThreadSafety.Immutable;
import com.google.devtools.build.lib.packages.PackageSpecification.PackageGroupContents;
import net.starlark.java.annot.Param;
import net.starlark.java.annot.ParamType;
import net.starlark.java.annot.StarlarkMethod;
import net.starlark.java.eval.EvalException;
import net.starlark.java.eval.Sequence;
import net.starlark.java.eval.StarlarkList;
import net.starlark.java.eval.StarlarkThread;
import net.starlark.java.eval.StarlarkValue;
/** A provider for Java per-package configuration. */
@AutoValue
@Immutable
public abstract class JavaPackageConfigurationProvider
implements TransitiveInfoProvider, StarlarkValue {
/** Creates a {@link JavaPackageConfigurationProvider}. */
public static JavaPackageConfigurationProvider create(
ImmutableList<PackageSpecificationProvider> packageSpecifications,
ImmutableList<String> javacopts,
NestedSet<Artifact> data) {
return new AutoValue_JavaPackageConfigurationProvider(packageSpecifications, javacopts, data);
}
/** Package specifications for which the configuration should be applied. */
abstract ImmutableList<PackageSpecificationProvider> packageSpecifications();
/** The javacopts for this configuration. */
abstract ImmutableList<String> javacopts();
abstract NestedSet<Artifact> data();
/**
* Returns true if this configuration matches the current label: that is, if the label's package
* is contained by any of the {@link #packageSpecifications}.
*/
public boolean matches(Label label) {
// Do not use streams here as they create excessive garbage.
for (PackageSpecificationProvider provider : packageSpecifications()) {
for (PackageGroupContents specifications : provider.getPackageSpecifications().toList()) {
if (specifications.containsPackage(label.getPackageIdentifier())) {
return true;
}
}
}
return false;
}
@StarlarkMethod(
name = "matches",
documented = false,
parameters = {
@Param(
name = "label",
allowedTypes = {@ParamType(type = Label.class)})
},
useStarlarkThread = true)
public boolean starlarkMatches(Label label, StarlarkThread starlarkThread) throws EvalException {
checkPrivateAccess(starlarkThread);
return matches(label);
}
@StarlarkMethod(name = "javac_opts", documented = false, useStarlarkThread = true)
public Sequence<String> starlarkJavacOpts(StarlarkThread starlarkThread) throws EvalException {
checkPrivateAccess(starlarkThread);
return StarlarkList.immutableCopyOf(javacopts());
}
@StarlarkMethod(name = "data", documented = false, useStarlarkThread = true)
public Depset starlarkData(StarlarkThread starlarkThread) throws EvalException {
checkPrivateAccess(starlarkThread);
return Depset.of(Artifact.class, data());
}
}