| // Copyright 2016 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.buildeventstream.transports; |
| |
| import static com.google.common.base.Strings.isNullOrEmpty; |
| |
| import com.google.common.collect.ImmutableSet; |
| import com.google.common.collect.ImmutableSet.Builder; |
| import com.google.devtools.build.lib.buildeventstream.BuildEventTransport; |
| import com.google.devtools.build.lib.buildeventstream.PathConverter; |
| import com.google.devtools.build.lib.vfs.Path; |
| import java.io.IOException; |
| |
| /** Factory used to create a Set of BuildEventTransports from BuildEventStreamOptions. */ |
| public enum BuildEventTransportFactory { |
| TEXT_TRANSPORT { |
| @Override |
| protected boolean enabled(BuildEventStreamOptions options) { |
| return !isNullOrEmpty(options.getBuildEventTextFile()); |
| } |
| |
| @Override |
| protected BuildEventTransport create(BuildEventStreamOptions options, |
| PathConverter pathConverter) throws IOException { |
| return new TextFormatFileTransport( |
| options.getBuildEventTextFile(), |
| options.getBuildEventTextFilePathConversion() ? pathConverter : new NullPathConverter()); |
| } |
| }, |
| |
| BINARY_TRANSPORT { |
| @Override |
| protected boolean enabled(BuildEventStreamOptions options) { |
| return !isNullOrEmpty(options.getBuildEventBinaryFile()); |
| } |
| |
| @Override |
| protected BuildEventTransport create(BuildEventStreamOptions options, |
| PathConverter pathConverter) throws IOException { |
| return new BinaryFormatFileTransport( |
| options.getBuildEventBinaryFile(), |
| options.getBuildEventBinaryFilePathConversion() |
| ? pathConverter |
| : new NullPathConverter()); |
| } |
| }, |
| |
| JSON_TRANSPORT { |
| @Override |
| protected boolean enabled(BuildEventStreamOptions options) { |
| return !isNullOrEmpty(options.getBuildEventJsonFile()); |
| } |
| |
| @Override |
| protected BuildEventTransport create( |
| BuildEventStreamOptions options, PathConverter pathConverter) throws IOException { |
| return new JsonFormatFileTransport( |
| options.getBuildEventJsonFile(), |
| options.getBuildEventJsonFilePathConversion() ? pathConverter : new NullPathConverter()); |
| } |
| }; |
| |
| /** |
| * Creates a {@link ImmutableSet} of {@link BuildEventTransport} based on the specified {@link |
| * BuildEventStreamOptions}. |
| * |
| * @param options Options used configure and create the returned BuildEventTransports. |
| * @return A {@link ImmutableSet} of BuildEventTransports. This set may be empty. |
| * @throws IOException Exception propagated from a {@link BuildEventTransport} creation failure. |
| */ |
| public static ImmutableSet<BuildEventTransport> createFromOptions(BuildEventStreamOptions options, |
| PathConverter pathConverter) throws IOException { |
| Builder<BuildEventTransport> buildEventTransportsBuilder = ImmutableSet.builder(); |
| for (BuildEventTransportFactory transportFactory : BuildEventTransportFactory.values()) { |
| if (transportFactory.enabled(options)) { |
| buildEventTransportsBuilder.add(transportFactory.create(options, pathConverter)); |
| } |
| } |
| return buildEventTransportsBuilder.build(); |
| } |
| |
| /** Returns true if this factory BuildEventTransport is enabled by the specified options. */ |
| protected abstract boolean enabled(BuildEventStreamOptions options); |
| |
| /** Creates a BuildEventTransport from the specified options. */ |
| protected abstract BuildEventTransport create(BuildEventStreamOptions options, |
| PathConverter pathConverter) throws IOException; |
| |
| private static class NullPathConverter implements PathConverter { |
| @Override |
| public String apply(Path path) { |
| return path.toURI().toString(); |
| } |
| } |
| } |