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// 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.common.collect.ImmutableList;
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.ObjectId;
import org.eclipse.jgit.lib.RefUpdate;
import java.util.Collections;
import java.util.List;
public class GitReferenceUpdated {
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) {
l.onGitReferenceUpdated(event);
}
}
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 List<GitReferenceUpdatedListener.Update> getUpdates() {
GitReferenceUpdatedListener.Update update =
new GitReferenceUpdatedListener.Update() {
@Override
public String getRefName() {
return ref;
}
@Override
public String getOldObjectId() {
return oldObjectId;
}
@Override
public String getNewObjectId() {
return newObjectId;
}
};
return ImmutableList.of(update);
}
}
}
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