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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.actions.Artifact;
import com.google.devtools.build.lib.analysis.TransitiveInfoCollection;
import com.google.devtools.build.lib.concurrent.ThreadSafety.Immutable;
import com.google.devtools.build.lib.events.Location;
import com.google.devtools.build.lib.packages.NativeInfo;
import com.google.devtools.build.lib.packages.NativeProvider;
import com.google.devtools.build.lib.skyframe.serialization.autocodec.AutoCodec;
import com.google.devtools.build.lib.skyframe.serialization.autocodec.AutoCodec.VisibleForSerialization;
import com.google.devtools.build.lib.syntax.Environment;
import com.google.devtools.build.lib.syntax.FunctionSignature;
import com.google.devtools.build.lib.syntax.SkylarkList;
import com.google.devtools.build.lib.syntax.SkylarkType;
import javax.annotation.Nullable;
/** Marks configured targets that are able to supply message bundles to their dependents. */
@AutoCodec
@Immutable
public final class MessageBundleInfo extends NativeInfo {
public static final String SKYLARK_NAME = "MessageBundleInfo";
private static final SkylarkType LIST_OF_ARTIFACTS =
SkylarkType.Combination.of(SkylarkType.SEQUENCE, SkylarkType.of(Artifact.class));
private static final FunctionSignature.WithValues<Object, SkylarkType> SIGNATURE =
FunctionSignature.WithValues.create(
FunctionSignature.namedOnly("messages"),
/*defaultValues=*/ null,
/*types=*/ ImmutableList.of(LIST_OF_ARTIFACTS));
public static final NativeProvider<MessageBundleInfo> PROVIDER =
new NativeProvider<MessageBundleInfo>(MessageBundleInfo.class, SKYLARK_NAME, SIGNATURE) {
@Override
@SuppressWarnings("unchecked")
protected MessageBundleInfo createInstanceFromSkylark(
Object[] args, Environment env, Location loc) {
return new MessageBundleInfo(ImmutableList.copyOf((SkylarkList<Artifact>) args[0]), loc);
}
};
private final ImmutableList<Artifact> messages;
public static MessageBundleInfo create(ImmutableList<Artifact> messages) {
return new MessageBundleInfo(messages, null);
}
@VisibleForSerialization
@AutoCodec.Instantiator
MessageBundleInfo(ImmutableList<Artifact> messages, Location location) {
super(PROVIDER, location);
this.messages = ImmutableList.copyOf(messages);
}
public Location getLocation() {
return location;
}
public ImmutableList<Artifact> getMessages() {
return messages;
}
@Nullable
public static ImmutableList<Artifact> getMessages(TransitiveInfoCollection info) {
MessageBundleInfo messageBundleInfo =
(MessageBundleInfo) info.get(MessageBundleInfo.PROVIDER.getKey());
if (messageBundleInfo != null) {
return messageBundleInfo.getMessages();
}
return null;
}
}
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