/**
* Copyright (c) 2013, Institute of Information Systems (Sven Groppe and contributors of LUPOSDATE), University of Luebeck
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are permitted provided that the
* following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice, this list of conditions and the following
* disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the
* following disclaimer in the documentation and/or other materials provided with the distribution.
* - Neither the name of the University of Luebeck nor the names of its contributors may be used to endorse or promote
* products derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package lupos.event.consumer.app;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.IOException;
import javax.swing.DefaultListModel;
import javax.swing.JList;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;
import lupos.event.*;
import lupos.event.action.Action;
import lupos.event.consumer.Consumer;
import lupos.event.pubsub.Subscription;
public class Controller {
private Consumer consumer;
private ClientView view;
private DefaultListModel subscriptionsListModel = new DefaultListModel();
private int subcount = 1;
private Subscription activeSubscription;
public Controller(Consumer model, final ClientView view) {
this.consumer = model;
this.view = view;
this.view.setSubscriptionListModel(this.subscriptionsListModel);
addListeners();
}
private void addListeners() {
this.view.addSubscriptionSelectionListModel(new ListSelectionListener() {
@Override
public void valueChanged(ListSelectionEvent e) {
if(!e.getValueIsAdjusting()) {
JList l = (JList)e.getSource();
Controller.this.view.setActiveSubscription((Subscription)l.getSelectedValue());
}
}
});
this.view.addConnectActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
if(Controller.this.consumer.isConnected()) {
disconnectFromBroker();
} else {
String host = Controller.this.view.getHost();
int port = Controller.this.view.getPort();
connectToBroker(host, port);
}
}
});
this.view.addNewSubscriptionActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
Controller.this.activeSubscription = new Subscription("Subscription #" + Controller.this.subcount++, "");
Controller.this.view.setActiveSubscription(Controller.this.activeSubscription);
}
});
this.view.addSubmitActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent arg0) {
Controller.this.activeSubscription.setName(Controller.this.view.getSubscriptionName());
Controller.this.activeSubscription.setQuery(Controller.this.view.getSubscriptionQuery());
subscribe(Controller.this.activeSubscription, Controller.this.view.getAction());
}
});
}
public void disconnectFromBroker() {
this.consumer.disconnect();
this.subscriptionsListModel.clear();
}
public void connectToBroker(String host, int port) {
try {
this.consumer.connect(host, port);
} catch (Exception e) {
this.view.showError(e.toString());
e.printStackTrace();
}
}
public void subscribe(Subscription sub, Action action) {
try {
this.consumer.subscribe(sub, action);
this.subscriptionsListModel.removeElement(sub);
this.subscriptionsListModel.add(0,sub);
this.view.setActiveSubscription(sub);
} catch (IOException e) {
this.view.showError(e.toString());
e.printStackTrace();
}
}
}