+++ /dev/null
-/*
- * Copyright (C) 2007-2012 Argeo GmbH
- *
- * 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 org.argeo.jcr;
-
-import javax.jcr.RepositoryException;
-import javax.jcr.Session;
-import javax.jcr.observation.Event;
-import javax.jcr.observation.EventIterator;
-import javax.jcr.observation.EventListener;
-import javax.jcr.observation.ObservationManager;
-
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
-import org.argeo.ArgeoException;
-
-/** To be overridden */
-public class DefaultJcrListener implements EventListener {
- private final static Log log = LogFactory.getLog(DefaultJcrListener.class);
- private Session session;
- private String path = "/";
- private Boolean deep = true;
-
- public void start() {
- try {
- addEventListener(session().getWorkspace().getObservationManager());
- if (log.isDebugEnabled())
- log.debug("Registered JCR event listener on " + path);
- } catch (Exception e) {
- throw new ArgeoException("Cannot register event listener", e);
- }
- }
-
- public void stop() {
- try {
- session().getWorkspace().getObservationManager()
- .removeEventListener(this);
- if (log.isDebugEnabled())
- log.debug("Unregistered JCR event listener on " + path);
- } catch (Exception e) {
- throw new ArgeoException("Cannot unregister event listener", e);
- }
- }
-
- /** Default is listen to all events */
- protected Integer getEvents() {
- return Event.NODE_ADDED | Event.NODE_REMOVED | Event.PROPERTY_ADDED
- | Event.PROPERTY_CHANGED | Event.PROPERTY_REMOVED;
- }
-
- /** To be overidden */
- public void onEvent(EventIterator events) {
- while (events.hasNext()) {
- Event event = events.nextEvent();
- log.debug(event);
- }
- }
-
- /** To be overidden */
- protected void addEventListener(ObservationManager observationManager)
- throws RepositoryException {
- observationManager.addEventListener(this, getEvents(), path, deep,
- null, null, false);
- }
-
- private Session session() {
- return session;
- }
-
- public void setPath(String path) {
- this.path = path;
- }
-
- public void setDeep(Boolean deep) {
- this.deep = deep;
- }
-
- public void setSession(Session session) {
- this.session = session;
- }
-
-}