| // Copyright (C) 2012 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.extensions.events; |
| |
| import com.google.gerrit.extensions.events.GitReferenceUpdatedListener; |
| import com.google.gerrit.extensions.registration.DynamicSet; |
| import com.google.gerrit.reviewdb.client.Project; |
| import com.google.inject.Inject; |
| |
| import org.eclipse.jgit.lib.BatchRefUpdate; |
| import org.eclipse.jgit.lib.ObjectId; |
| import org.eclipse.jgit.lib.RefUpdate; |
| import org.eclipse.jgit.transport.ReceiveCommand; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.util.Collections; |
| |
| public class GitReferenceUpdated { |
| private static final Logger log = LoggerFactory |
| .getLogger(GitReferenceUpdated.class); |
| |
| public static final GitReferenceUpdated DISABLED = new GitReferenceUpdated( |
| Collections.<GitReferenceUpdatedListener> emptyList()); |
| |
| private final Iterable<GitReferenceUpdatedListener> listeners; |
| |
| @Inject |
| GitReferenceUpdated(DynamicSet<GitReferenceUpdatedListener> listeners) { |
| this.listeners = listeners; |
| } |
| |
| GitReferenceUpdated(Iterable<GitReferenceUpdatedListener> listeners) { |
| this.listeners = listeners; |
| } |
| |
| public void fire(Project.NameKey project, RefUpdate refUpdate) { |
| fire(project, refUpdate.getName(), refUpdate.getOldObjectId(), |
| refUpdate.getNewObjectId()); |
| } |
| |
| public void fire(Project.NameKey project, String ref, |
| ObjectId oldObjectId, ObjectId newObjectId) { |
| ObjectId o = oldObjectId != null ? oldObjectId : ObjectId.zeroId(); |
| ObjectId n = newObjectId != null ? newObjectId : ObjectId.zeroId(); |
| Event event = new Event(project, ref, o.name(), n.name()); |
| for (GitReferenceUpdatedListener l : listeners) { |
| try { |
| l.onGitReferenceUpdated(event); |
| } catch (RuntimeException e) { |
| log.warn("Failure in GitReferenceUpdatedListener", e); |
| } |
| } |
| } |
| |
| public void fire(Project.NameKey project, BatchRefUpdate batchRefUpdate) { |
| for (ReceiveCommand cmd : batchRefUpdate.getCommands()) { |
| if (cmd.getResult() == ReceiveCommand.Result.OK) { |
| fire(project, cmd.getRefName(), cmd.getOldId(), cmd.getNewId()); |
| } |
| } |
| } |
| |
| private static class Event implements GitReferenceUpdatedListener.Event { |
| private final String projectName; |
| private final String ref; |
| private final String oldObjectId; |
| private final String newObjectId; |
| |
| Event(Project.NameKey project, String ref, |
| String oldObjectId, String newObjectId) { |
| this.projectName = project.get(); |
| this.ref = ref; |
| this.oldObjectId = oldObjectId; |
| this.newObjectId = newObjectId; |
| } |
| |
| @Override |
| public String getProjectName() { |
| return projectName; |
| } |
| |
| @Override |
| public String getRefName() { |
| return ref; |
| } |
| |
| @Override |
| public String getOldObjectId() { |
| return oldObjectId; |
| } |
| |
| @Override |
| public String getNewObjectId() { |
| return newObjectId; |
| } |
| |
| @Override |
| public String toString() { |
| return String.format("%s[%s,%s: %s -> %s]", getClass().getSimpleName(), |
| projectName, ref, oldObjectId, newObjectId); |
| } |
| } |
| } |