| /* |
| * 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.idea.blaze.base.command.buildresult; |
| |
| import com.google.common.collect.ImmutableList; |
| import com.google.idea.blaze.base.async.process.LineProcessingOutputStream.LineProcessor; |
| import com.google.idea.common.experiments.BoolExperiment; |
| import java.io.File; |
| import java.io.OutputStream; |
| import java.util.List; |
| import java.util.function.Predicate; |
| |
| /** Assists in getting build artifacts from a build operation. */ |
| public interface BuildResultHelper { |
| // This experiment does *not* work yet and should remain off |
| BoolExperiment USE_BEP = new BoolExperiment("use.bep", false); |
| |
| /** |
| * Constructs a new build result helper. |
| * |
| * @param files A filter for the output artifacts you are interested in. |
| */ |
| static BuildResultHelper forFiles(Predicate<String> files) { |
| return USE_BEP.getValue() |
| ? new BuildResultHelperBep(files) |
| : new BuildResultHelperStderr(files); |
| } |
| |
| /** |
| * Returns the build flags necessary for the build result helper to work. |
| * |
| * <p>The user must add these flags to their build command. |
| */ |
| List<String> getBuildFlags(); |
| |
| /** |
| * Returns an output stream to be passed to the external task's stderr. |
| * |
| * <p>The user must pipe blaze's stderr to this output stream. |
| * |
| * @param lineProcessors Any additional line processors you want on stderr output. |
| */ |
| OutputStream stderr(LineProcessor... lineProcessors); |
| |
| /** |
| * Returns the build result. May only be called once the build is complete, or no artifacts will |
| * be returned. |
| * |
| * @return The build artifacts from the build operation. |
| */ |
| ImmutableList<File> getBuildArtifacts(); |
| } |