eu.playproject.platform.service.bootstrap.DSBTopicManager.java Source code

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Here is the source code for eu.playproject.platform.service.bootstrap.DSBTopicManager.java

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/**
 *
 * Copyright (c) 2012, PetalsLink
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA 
 *
 */
package eu.playproject.platform.service.bootstrap;

import java.util.logging.Level;
import java.util.logging.Logger;

import javax.xml.namespace.QName;

import org.ow2.play.governance.api.GovernanceExeption;
import org.ow2.play.governance.api.SubscriptionRegistry;
import org.ow2.play.governance.api.bean.Subscription;
import org.ow2.play.governance.api.bean.Topic;
import org.petalslink.dsb.notification.client.http.simple.HTTPProducerClient;
import org.petalslink.dsb.notification.client.http.simple.HTTPSubscriptionManagerClient;
import org.petalslink.dsb.notification.commons.NotificationException;
import org.springframework.beans.factory.access.BootstrapException;

import com.ebmwebsourcing.wsstar.basefaults.datatypes.impl.impl.WsrfbfModelFactoryImpl;
import com.ebmwebsourcing.wsstar.basenotification.datatypes.impl.impl.WsnbModelFactoryImpl;
import com.ebmwebsourcing.wsstar.resource.datatypes.impl.impl.WsrfrModelFactoryImpl;
import com.ebmwebsourcing.wsstar.resourcelifetime.datatypes.impl.impl.WsrfrlModelFactoryImpl;
import com.ebmwebsourcing.wsstar.resourceproperties.datatypes.impl.impl.WsrfrpModelFactoryImpl;
import com.ebmwebsourcing.wsstar.topics.datatypes.impl.impl.WstopModelFactoryImpl;
import com.ebmwebsourcing.wsstar.wsnb.services.impl.util.Wsnb4ServUtils;

import eu.playproject.platform.service.bootstrap.api.BootstrapFault;
import eu.playproject.platform.service.bootstrap.api.TopicManager;

/**
 * 
 * @author chamerling
 * 
 */
public class DSBTopicManager implements TopicManager {

    static Logger logger = Logger.getLogger(DSBTopicManager.class.getName());

    static {
        // WTF?
        logger.info("Creating WSN factories...");
        Wsnb4ServUtils.initModelFactories(new WsrfbfModelFactoryImpl(), new WsrfrModelFactoryImpl(),
                new WsrfrlModelFactoryImpl(), new WsrfrpModelFactoryImpl(), new WstopModelFactoryImpl(),
                new WsnbModelFactoryImpl());
    }

    private SubscriptionRegistry subscriptionRegistry;

    @Override
    public Subscription subscribe(String producer, QName topic, String subscriber) throws BootstrapFault {
        Subscription subscription = null;

        logger.info("Subscribe to topic '" + topic + "' on producer '" + producer + "' for subscriber '"
                + subscriber + "'");

        HTTPProducerClient client = new HTTPProducerClient(producer);
        try {
            String id = client.subscribe(topic, subscriber);
            logger.info("Subscribed to topic " + topic + " and ID is " + id);

            subscription = new Subscription();
            subscription.setDate(System.currentTimeMillis());
            subscription.setId(id);
            subscription.setProvider(producer);
            subscription.setSubscriber(subscriber);
            Topic t = new Topic();
            t.setName(topic.getLocalPart());
            t.setNs(topic.getNamespaceURI());
            t.setPrefix(topic.getPrefix());
            subscription.setTopic(t);

            this.subscriptionRegistry.addSubscription(subscription);

        } catch (NotificationException e) {
            logger.log(Level.SEVERE, "Problem while subscribing", e);
            throw new BootstrapFault(e);
        } catch (GovernanceExeption e) {
            logger.log(Level.WARNING, "Problem while saving subscription", e);
            //throw new BootstrapFault(e);
        }
        return subscription;
    }

    @Override
    public void unsubscribe(Subscription subscription) throws BootstrapFault {
        logger.fine("Unsubscribe from " + subscription);
        if (subscription == null) {
            throw new BootstrapFault("Bad parameters, null subscription");
        }

        if (subscription.getProvider() == null || subscription.getId() == null) {
            throw new BootstrapFault("Bad parameters, null provider or subscription id");
        }

        HTTPSubscriptionManagerClient client = new HTTPSubscriptionManagerClient(subscription.getProvider());
        try {
            boolean result = client.unsubscribe(subscription.getId());
            if (result) {
                this.subscriptionRegistry.remove(subscription);
            }
        } catch (NotificationException e) {
            e.printStackTrace();
        } catch (GovernanceExeption e) {
            e.printStackTrace();
        }

        throw new BootstrapException("Not implemented");
    }

    public void setSubscriptionRegistry(SubscriptionRegistry subscriptionRegistry) {
        this.subscriptionRegistry = subscriptionRegistry;
    }
}