/**
* 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.producer;
import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Arrays;
import java.util.List;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.WindowConstants;
import lupos.datastructures.items.Triple;
import lupos.datastructures.items.literal.Literal;
import lupos.event.communication.SerializingMessageService;
import lupos.event.util.Literals;
/**
* Shows a button and creates an event when it's clicked.
*/
public class ButtonClickedProducer extends ProducerBase {
public static final String NAMESPACE = "http://localhost/events/ButtonClicked/";
private final Literal TYPE = Literals.createURI(NAMESPACE, "ButtonClickedEvent");
private boolean buttonClicked = false;
public ButtonClickedProducer(SerializingMessageService msgService) {
super(msgService, 100);
}
synchronized private void setButtonClicked() {
this.buttonClicked = true;
}
@Override
synchronized public List<List<Triple>> produce() {
if(!this.buttonClicked)
return null;
this.buttonClicked = false;
Triple typeTripel = new Triple(Literals.AnonymousLiteral.ANONYMOUS, Literals.RDF.TYPE, this.TYPE);
return ProducerBase.fold(Arrays.asList(typeTripel));
}
public static void main(String[] args) throws Exception {
// create communication channel
SerializingMessageService msgService = ProducerBase.connectToMaster();
// create producer
final ButtonClickedProducer producer = new ButtonClickedProducer(msgService);
// create gui
JFrame view = new JFrame() {
{
this.setMinimumSize(new Dimension(200,100));
this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
this.setTitle("ButtonClickProducer");
getContentPane().setLayout(new BorderLayout());
JButton btn = new JButton("Generate Event");
btn.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent a) {
producer.setButtonClicked();
} });
getContentPane().add(btn, BorderLayout.CENTER);
}
};
view.setVisible(true);
producer.start();
}
}