| // Copyright (C) 2016 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.automerger; |
| |
| import com.google.common.collect.Lists; |
| import com.google.gerrit.extensions.restapi.ResourceConflictException; |
| import com.google.gerrit.extensions.restapi.Response; |
| import com.google.gerrit.extensions.restapi.RestApiException; |
| import com.google.gerrit.extensions.restapi.RestReadView; |
| import com.google.gerrit.server.project.BranchResource; |
| import com.google.inject.Inject; |
| import java.io.IOException; |
| import java.util.List; |
| import java.util.Set; |
| import org.eclipse.jgit.errors.ConfigInvalidException; |
| |
| /** The logic behind auto-filling the branch map, aka the input to AutomergeChangeAction. */ |
| class AllConfigDownstreamAction implements RestReadView<BranchResource> { |
| |
| protected ConfigLoader config; |
| |
| /** |
| * Initializer for this class that sets the config. |
| * |
| * @param config Config for this plugin. |
| */ |
| @Inject |
| public AllConfigDownstreamAction(ConfigLoader config) { |
| this.config = config; |
| } |
| |
| /** |
| * Return the list of all branch names that are downstream. |
| * |
| * @param branchResource BranchResource which we are attempting to find the downstreams of. |
| * @return A list of all branch names downstream of the given branch. |
| * @throws RestApiException |
| * @throws IOException |
| */ |
| @Override |
| public Response<List<String>> apply(BranchResource branchResource) |
| throws RestApiException, IOException { |
| |
| String branchName = branchResource.getBranchKey().shortName(); |
| String projectName = branchResource.getName(); |
| |
| try { |
| Set<String> downstreamBranches = config.getAllDownstreamBranches(branchName, projectName); |
| return Response.created(Lists.newArrayList(downstreamBranches)); |
| } catch (ConfigInvalidException e) { |
| throw new ResourceConflictException( |
| "Automerger configuration file is invalid: " + e.getMessage()); |
| } |
| } |
| } |