/*
* 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.observation;
import org.apache.avalon.framework.logger.Logger;
import org.apache.avalon.framework.service.ServiceManager;
import org.apache.lenya.cms.publication.Document;
import org.apache.lenya.cms.publication.DocumentException;
import org.apache.lenya.cms.publication.DocumentFactory;
import org.apache.lenya.cms.publication.DocumentUtil;
import org.apache.lenya.cms.publication.Publication;
import org.apache.lenya.cms.repository.Node;
import org.apache.lenya.cms.repository.Session;
/**
* Factory to create repository events.
*/
public class RepositoryEventFactory {
/**
* Creates a repository event for a node.
* @param manager The service manager.
* @param session The session.
* @param logger The logger.
* @param descriptor The descriptor.
* @return An event.
*/
public static final RepositoryEvent createEvent(ServiceManager manager,
Session session, Logger logger, Object descriptor) {
return new RepositoryEvent(session, descriptor);
}
/**
* Creates a repository event for a node.
* @param manager The service manager.
* @param doc The document.
* @param logger The logger.
* @param descriptor The descriptor.
* @return An event.
*/
public static final RepositoryEvent createEvent(ServiceManager manager, Document doc,
Logger logger, Object descriptor) {
try {
Node node = doc.getRepositoryNode();
RepositoryEvent event = new DocumentEvent(node.getSession(), doc.getPublication()
.getId(), doc.getArea(), doc.getUUID(), doc.getLanguage(), doc
.getResourceType(), descriptor);
event.setNodeUri(node.getSourceURI());
int[] revisions = node.getHistory().getRevisionNumbers();
if (revisions.length > 0) {
event.setRevision(revisions[0]);
}
return event;
} catch (DocumentException e) {
throw new RuntimeException(e);
}
}
/**
* Creates a repository event for a node.
* @param manager The service manager.
* @param node The node.
* @param logger The logger.
* @param descriptor The descriptor.
* @return An event.
*/
public static final RepositoryEvent createEvent(ServiceManager manager, Node node,
Logger logger, Object descriptor) {
RepositoryEvent event;
Document doc = null;
if (!node.getSourceURI().endsWith("meta")) {
doc = getDocument(manager, node, logger);
}
if (doc != null) {
event = createEvent(manager, doc, logger, descriptor);
} else {
event = new RepositoryEvent(node.getSession(), descriptor);
event.setNodeUri(node.getSourceURI());
}
return event;
}
/**
* @param manager The service manager.
* @param node The node.
* @param logger The logger.
* @return The document represented by the node or <code>null</code> if
* the node doesn't represent a document.
*/
protected static final Document getDocument(ServiceManager manager, Node node, Logger logger) {
final String sourceUri = node.getSourceURI();
if (sourceUri.endsWith(".xml")) {
return null;
}
Document doc = null;
if (!sourceUri.startsWith("lenya://")) {
throw new IllegalStateException("The source URI [" + sourceUri
+ "] doesn't start with lenya://");
}
String path = sourceUri.substring("lenya://lenya/pubs/".length());
String[] steps = path.split("/");
String pubId = steps[0];
String area = steps[2];
try {
DocumentFactory factory = DocumentUtil
.createDocumentFactory(manager, node.getSession());
Publication pub = factory.getPublication(pubId);
String docPath = path.substring((pubId + "/content/" + area).length());
String uuid = docPath.substring(1, docPath.length() - "/en".length());
String language = docPath.substring(docPath.length() - "en".length());
doc = factory.get(pub, area, uuid, language);
if (doc == null) {
// this happens if the node was not a document node
logger.info("No document found for node [" + sourceUri + "]");
}
} catch (Exception e) {
throw new RuntimeException(e);
}
return doc;
}
}