SesTopicFactory.java

/**
 * Copyright (C) 2008 - 2014 52°North Initiative for Geospatial Open Source
 * Software GmbH
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 as published
 * by the Free Software Foundation.
 *
 * If the program is linked with libraries which are licensed under one of
 * the following licenses, the combination of the program with the linked
 * library is not considered a "derivative work" of the program:
 *
 *     - Apache License, version 2.0
 *     - Apache Software License, version 1.0
 *     - GNU Lesser General Public License, version 3
 *     - Mozilla Public License, versions 1.0, 1.1 and 2.0
 *     - Common Development and Distribution License (CDDL), version 1.0
 *
 * Therefore the distribution of the program linked with libraries licensed
 * under the aforementioned licenses, is permitted by the copyright holders
 * if the distribution is compliant with both the GNU General Public
 * icense version 2 and the aforementioned licenses.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
 * Public License for more details.
 */
package org.n52.ses.wsbr;

import javax.xml.namespace.QName;

import org.apache.muse.ws.notification.NotificationProducer;
import org.apache.muse.ws.resource.basefaults.BaseFault;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * @author Jan Torben Heuer <jan.heuer@uni-muenster.de>
 *
 * Handles available topics for notification producers
 */
public class SesTopicFactory {
	
	private static final Logger logger = LoggerFactory.getLogger(SesTopicFactory.class);
	
	/**
	 * namespace for the SES topics
	 */
	public static final String NAMESPACE = "http://www.opengis.net/ses/0.0";
	
	
	/** 
	 * static topics for the SES 
	 */
	public static final QName[] STATIC_TOPICS = new QName[]{
	    new QName(NAMESPACE, "Measurements", "sestopic"), 
	    new QName(NAMESPACE, "AIXMData", "sestopic"), 
	    new QName(NAMESPACE, "Cap", "sestopic"),
	    new QName(NAMESPACE, "SensorManagement", "sestopic"),
	    new QName(NAMESPACE, "ExpirationInformation", "sestopic")
	};
	
	
	/**
	 * adds all default topics to the supplied producer
	 * @param producer the supplied producer
	 */
	public static void addDefaultTopics(NotificationProducer producer) {
		for (QName topic : STATIC_TOPICS) {
			try {
				producer.addTopic(topic);
			} catch (BaseFault e) {
				logger.warn("error adding topic " + topic.toString(), e);
			}
		}
	}
}