Line data    Source code

       1             : // Copyright (C) 2015 The Android Open Source Project
       2             : //
       3             : // Licensed under the Apache License, Version 2.0 (the "License");
       4             : // you may not use this file except in compliance with the License.
       5             : // You may obtain a copy of the License at
       6             : //
       7             : // http://www.apache.org/licenses/LICENSE-2.0
       8             : //
       9             : // Unless required by applicable law or agreed to in writing, software
      10             : // distributed under the License is distributed on an "AS IS" BASIS,
      11             : // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
      12             : // See the License for the specific language governing permissions and
      13             : // limitations under the License.
      14             : 
      15             : package com.google.gerrit.server.restapi.project;
      16             : 
      17             : import static org.eclipse.jgit.lib.Constants.R_HEADS;
      18             : 
      19             : import com.google.common.collect.ImmutableSet;
      20             : import com.google.gerrit.entities.RefNames;
      21             : import com.google.gerrit.extensions.api.projects.DeleteBranchesInput;
      22             : import com.google.gerrit.extensions.restapi.BadRequestException;
      23             : import com.google.gerrit.extensions.restapi.MethodNotAllowedException;
      24             : import com.google.gerrit.extensions.restapi.Response;
      25             : import com.google.gerrit.extensions.restapi.RestApiException;
      26             : import com.google.gerrit.extensions.restapi.RestModifyView;
      27             : import com.google.gerrit.server.permissions.PermissionBackendException;
      28             : import com.google.gerrit.server.project.ProjectResource;
      29             : import com.google.inject.Inject;
      30             : import com.google.inject.Singleton;
      31             : import java.io.IOException;
      32             : 
      33             : @Singleton
      34             : public class DeleteBranches implements RestModifyView<ProjectResource, DeleteBranchesInput> {
      35             :   private final DeleteRef deleteRef;
      36             : 
      37             :   @Inject
      38         146 :   DeleteBranches(DeleteRef deleteRef) {
      39         146 :     this.deleteRef = deleteRef;
      40         146 :   }
      41             : 
      42             :   @Override
      43             :   public Response<?> apply(ProjectResource project, DeleteBranchesInput input)
      44             :       throws IOException, RestApiException, PermissionBackendException {
      45           2 :     if (input == null || input.branches == null || input.branches.isEmpty()) {
      46           2 :       throw new BadRequestException("branches must be specified");
      47             :     }
      48             : 
      49           1 :     if (input.branches.contains(RefNames.HEAD)) {
      50           1 :       throw new MethodNotAllowedException("not allowed to delete HEAD");
      51           1 :     } else if (input.branches.stream().anyMatch(RefNames::isConfigRef)) {
      52             :       // Never allow to delete the meta config branch.
      53           1 :       throw new MethodNotAllowedException("not allowed to delete branch " + RefNames.REFS_CONFIG);
      54             :     }
      55             : 
      56           1 :     deleteRef.deleteMultipleRefs(
      57           1 :         project.getProjectState(), ImmutableSet.copyOf(input.branches), R_HEADS);
      58           1 :     return Response.none();
      59             :   }
      60             : }