/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.lenya.cms.janitor;
import java.io.File;
import org.apache.cocoon.environment.Request;
import org.apache.lenya.cms.cocoon.components.context.ContextUtility;
import org.apache.lenya.cms.cocoon.source.SourceUtil;
import org.apache.lenya.cms.observation.AbstractRepositoryListener;
import org.apache.lenya.cms.observation.DocumentEvent;
import org.apache.lenya.cms.observation.RepositoryEvent;
import org.apache.lenya.cms.publication.DocumentFactory;
import org.apache.lenya.cms.publication.DocumentUtil;
import org.apache.lenya.cms.publication.Publication;
/**
* The content janitor cleans up empty directories after a document is removed.
*/
public class ContentJanitor extends AbstractRepositoryListener {
public void eventFired(RepositoryEvent repoEvent) {
if (!(repoEvent instanceof DocumentEvent)) {
return;
}
DocumentEvent event = (DocumentEvent) repoEvent;
if (!event.getDescriptor().equals(DocumentEvent.REMOVED)) {
return;
}
ContextUtility util = null;
try {
util = (ContextUtility) this.manager.lookup(ContextUtility.ROLE);
Request request = util.getRequest();
DocumentFactory factory = DocumentUtil.getDocumentFactory(this.manager, request);
Publication pub = factory.getPublication(event.getPublicationId());
File contentFile = pub.getContentDirectory(event.getArea());
String contentUri = contentFile.toURI().toString();
SourceUtil.deleteEmptyCollections(contentUri, this.manager);
} catch (Exception e) {
throw new RuntimeException(e);
} finally {
if (util != null) {
this.manager.release(util);
}
}
}
}