/**
* The contents of this file are subject to the OpenMRS Public License
* Version 1.0 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://license.openmrs.org
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
* License for the specific language governing rights and limitations
* under the License.
*
* Copyright (C) OpenMRS, LLC. All Rights Reserved.
*/
package org.openmrs.api;
import java.util.List;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
* Holds all OpenMRS event listeners
*/
public class EventListeners {
private static Log log = LogFactory.getLog(EventListeners.class);
private static List<GlobalPropertyListener> globalPropertyListeners = null;
public EventListeners() {
}
public List<GlobalPropertyListener> getGlobalPropertyListeners() {
return globalPropertyListeners;
}
/**
* This setter acts more like an "appender". If the list already has elements, calling this method
* will <b>add to</b> the list of listeners instead of replacing it.
*
* @param globalPropertyListeners
*/
public void setGlobalPropertyListeners(List<GlobalPropertyListener> globalPropertyListeners) {
if (log.isDebugEnabled()) {
StringBuffer sb = new StringBuffer();
for (GlobalPropertyListener gpl : globalPropertyListeners) {
if (sb.length() > 0)
sb.append(", ");
sb.append(gpl.getClass().getName());
}
log.debug("GlobalPropertyListeners set to: " + sb.toString());
}
if (EventListeners.globalPropertyListeners == null)
EventListeners.globalPropertyListeners = globalPropertyListeners;
else {
for (GlobalPropertyListener gpl : globalPropertyListeners) {
if (!EventListeners.globalPropertyListeners.contains(gpl))
EventListeners.globalPropertyListeners.add(gpl);
}
}
}
}