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// Copyright (C) 2009 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.httpd.rpc.project;
import com.google.gerrit.common.ChangeHooks;
import com.google.gerrit.httpd.rpc.Handler;
import com.google.gerrit.reviewdb.client.Branch;
import com.google.gerrit.reviewdb.client.Project;
import com.google.gerrit.server.IdentifiedUser;
import com.google.gerrit.server.git.GitRepositoryManager;
import com.google.gerrit.server.git.ReplicationQueue;
import com.google.gerrit.server.project.NoSuchProjectException;
import com.google.gerrit.server.project.ProjectControl;
import com.google.inject.Inject;
import com.google.inject.assistedinject.Assisted;
import org.eclipse.jgit.errors.RepositoryNotFoundException;
import org.eclipse.jgit.lib.RefUpdate;
import org.eclipse.jgit.lib.Repository;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.IOException;
import java.util.HashSet;
import java.util.Set;
class DeleteBranches extends Handler<Set<Branch.NameKey>> {
private static final Logger log =
LoggerFactory.getLogger(DeleteBranches.class);
interface Factory {
DeleteBranches create(@Assisted Project.NameKey name,
@Assisted Set<Branch.NameKey> toRemove);
}
private final ProjectControl.Factory projectControlFactory;
private final GitRepositoryManager repoManager;
private final ReplicationQueue replication;
private final IdentifiedUser identifiedUser;
private final ChangeHooks hooks;
private final Project.NameKey projectName;
private final Set<Branch.NameKey> toRemove;
@Inject
DeleteBranches(final ProjectControl.Factory projectControlFactory,
final GitRepositoryManager repoManager,
final ReplicationQueue replication,
final IdentifiedUser identifiedUser,
final ChangeHooks hooks,
@Assisted Project.NameKey name, @Assisted Set<Branch.NameKey> toRemove) {
this.projectControlFactory = projectControlFactory;
this.repoManager = repoManager;
this.replication = replication;
this.identifiedUser = identifiedUser;
this.hooks = hooks;
this.projectName = name;
this.toRemove = toRemove;
}
@Override
public Set<Branch.NameKey> call() throws NoSuchProjectException,
RepositoryNotFoundException {
final ProjectControl projectControl =
projectControlFactory.controlFor(projectName);
for (Branch.NameKey k : toRemove) {
if (!projectName.equals(k.getParentKey())) {
throw new IllegalArgumentException("All keys must be from same project");
}
if (!projectControl.controlForRef(k).canDelete()) {
throw new IllegalStateException("Cannot delete " + k.getShortName());
}
}
final Set<Branch.NameKey> deleted = new HashSet<Branch.NameKey>();
final Repository r = repoManager.openRepository(projectName);
try {
for (final Branch.NameKey branchKey : toRemove) {
final String refname = branchKey.get();
final RefUpdate.Result result;
final RefUpdate u;
try {
u = r.updateRef(refname);
u.setForceUpdate(true);
result = u.delete();
} catch (IOException e) {
log.error("Cannot delete " + branchKey, e);
continue;
}
switch (result) {
case NEW:
case NO_CHANGE:
case FAST_FORWARD:
case FORCED:
deleted.add(branchKey);
replication.scheduleUpdate(projectName, refname);
hooks.doRefUpdatedHook(branchKey, u, identifiedUser.getAccount());
break;
case REJECTED_CURRENT_BRANCH:
log.warn("Cannot delete " + branchKey + ": " + result.name());
break;
default:
log.error("Cannot delete " + branchKey + ": " + result.name());
break;
}
}
} finally {
r.close();
}
return deleted;
}
}
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