| // 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; |
| } |
| } |