| // Copyright (C) 2018 The Android Open Source Project |
| // |
| // 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.googlesource.gerrit.plugins.scripting.rules.rule; |
| |
| import com.google.gerrit.common.data.SubmitRecord; |
| import com.google.gerrit.extensions.registration.DynamicSet; |
| import com.google.gerrit.reviewdb.client.Change; |
| import com.google.gerrit.server.git.GitRepositoryManager; |
| import com.google.gerrit.server.project.RuleEvalException; |
| import com.google.gerrit.server.project.SubmitRuleEvaluator; |
| import com.google.gerrit.server.project.SubmitRuleOptions; |
| import com.google.gerrit.server.query.change.ChangeData; |
| import com.google.gerrit.server.rules.SubmitRule; |
| import com.google.gwtorm.server.OrmException; |
| import com.google.inject.Inject; |
| import com.google.inject.Singleton; |
| import com.googlesource.gerrit.plugins.scripting.rules.engines.RuleEngine; |
| import com.googlesource.gerrit.plugins.scripting.rules.utils.FileFinder; |
| import java.io.IOException; |
| import java.util.Collection; |
| import java.util.Objects; |
| import java.util.function.Function; |
| import java.util.stream.Collectors; |
| import java.util.stream.StreamSupport; |
| import org.eclipse.jgit.lib.Repository; |
| |
| /** This SubmitRule runs the scripting engines it knows about. */ |
| @Singleton |
| public class ScriptedRule implements SubmitRule { |
| private final GitRepositoryManager gitMgr; |
| private final DynamicSet<RuleEngine> engines; |
| |
| @Inject |
| private ScriptedRule(GitRepositoryManager gitMgr, DynamicSet<RuleEngine> engines) { |
| this.gitMgr = gitMgr; |
| this.engines = engines; |
| } |
| |
| @Override |
| public Collection<SubmitRecord> evaluate(ChangeData cd, SubmitRuleOptions options) { |
| try (Repository git = gitMgr.openRepository(cd.project()); |
| FileFinder fileFinder = new FileFinder(git)) { |
| |
| Change change = cd.change(); |
| |
| return StreamSupport.stream(engines.spliterator(), false) |
| .map(new ScriptEvaluator(cd, change, options, fileFinder)) |
| .filter(Objects::nonNull) |
| .flatMap(Collection::stream) |
| .collect(Collectors.toList()); |
| } catch (OrmException | IOException e) { |
| e.printStackTrace(); |
| return SubmitRuleEvaluator.createRuleError("Error in ScriptedRule"); |
| } |
| } |
| |
| /** Helper class to evaluate a scripting engine and catching its potential exceptions. */ |
| private class ScriptEvaluator implements Function<RuleEngine, Collection<SubmitRecord>> { |
| private final ChangeData cd; |
| private final Change change; |
| private final SubmitRuleOptions options; |
| private final FileFinder fileFinder; |
| |
| private ScriptEvaluator( |
| ChangeData cd, Change change, SubmitRuleOptions options, FileFinder fileFinder) { |
| |
| this.cd = cd; |
| this.change = change; |
| this.options = options; |
| this.fileFinder = fileFinder; |
| } |
| |
| @Override |
| public Collection<SubmitRecord> apply(RuleEngine ruleEngine) { |
| try { |
| return ruleEngine.evaluate(cd, change, options, fileFinder); |
| } catch (IOException | OrmException | RuleEvalException e) { |
| return SubmitRuleEvaluator.createRuleError("Error evaluating the rules"); |
| } |
| } |
| } |
| } |