com.google.gerrit.server.restapi.project.DeleteBranch Maven / Gradle / Ivy
// Copyright (C) 2013 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.google.gerrit.server.restapi.project;
import static com.google.gerrit.entities.RefNames.isConfigRef;
import static com.google.gerrit.server.update.context.RefUpdateContext.RefUpdateType.BRANCH_MODIFICATION;
import static org.eclipse.jgit.lib.Constants.R_HEADS;
import com.google.gerrit.entities.RefNames;
import com.google.gerrit.extensions.common.Input;
import com.google.gerrit.extensions.restapi.MethodNotAllowedException;
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.RestModifyView;
import com.google.gerrit.server.permissions.PermissionBackendException;
import com.google.gerrit.server.project.BranchResource;
import com.google.gerrit.server.query.change.InternalChangeQuery;
import com.google.gerrit.server.update.context.RefUpdateContext;
import com.google.inject.Inject;
import com.google.inject.Provider;
import com.google.inject.Singleton;
import java.io.IOException;
@Singleton
public class DeleteBranch implements RestModifyView {
private final Provider queryProvider;
private final DeleteRef deleteRef;
@Inject
DeleteBranch(Provider queryProvider, DeleteRef deleteRef) {
this.queryProvider = queryProvider;
this.deleteRef = deleteRef;
}
@Override
public Response apply(BranchResource rsrc, Input input)
throws RestApiException, IOException, PermissionBackendException {
if (RefNames.HEAD.equals(rsrc.getBranchKey().branch())) {
throw new MethodNotAllowedException("not allowed to delete HEAD");
} else if (isConfigRef(rsrc.getBranchKey().branch())) {
// Never allow to delete the meta config branch.
throw new MethodNotAllowedException(
"not allowed to delete branch " + rsrc.getBranchKey().branch());
}
if (!queryProvider.get().setLimit(1).byBranchOpen(rsrc.getBranchKey()).isEmpty()) {
throw new ResourceConflictException("branch " + rsrc.getBranchKey() + " has open changes");
}
try (RefUpdateContext ctx = RefUpdateContext.open(BRANCH_MODIFICATION)) {
deleteRef.deleteSingleRef(rsrc.getProjectState(), rsrc.getRef(), R_HEADS);
}
return Response.none();
}
}