/**
* 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.webpage;
import java.io.UnsupportedEncodingException;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLEncoder;
import java.util.ArrayList;
import java.util.List;
import javax.swing.JOptionPane;
import lupos.datastructures.items.literal.Literal;
import lupos.datastructures.items.literal.URILiteral;
import lupos.event.communication.SerializingMessageService;
import lupos.event.producer.ProducerBase;
import lupos.event.util.Literals;
/**
* Searches bsh with a keyword and calls the GeneralProducer and forwards the website and search data
* @author Team 4
*
*/
public class WaterTempProducer extends GeneralProducer{
/**
* sets the namespace of this producer
*/
public static final String WATERTEMPPRODUCER_NAMESPACE = "http://localhost/events/WaterTemp/";
/**
* creates the RDF-Type of this producer
*/
public final static URILiteral TYPE = Literals.createURI(WaterTempProducer.WATERTEMPPRODUCER_NAMESPACE, "WaterTempProducer");
// the other predicates...
public final static URILiteral TIME = Literals.createURI(WATERTEMPPRODUCER_NAMESPACE, "time");
public final static URILiteral TEMP = Literals.createURI(WATERTEMPPRODUCER_NAMESPACE, "temperature_in_°C");
/**
* the page of the referred provider
*/
private static final String WEATHER_PROVIDER = "http://www.bsh.de/aktdat/bm/";
/**
* the data for the chosen location
*/
private static String defaultlocation = "Travemuende.htm";
/**
* The constructor just calls the super class and sets its parameter.
* Use WaterTempProducer.createWaterTempProducer(...) for creating a WaterTempProducer.
*/
private WaterTempProducer(SerializingMessageService msgService,
URL url, List<String> xpathlist,
List<Literal> literalList, List<URILiteral> infoString, List<String> regexString) {
super(msgService, WATERTEMPPRODUCER_NAMESPACE, TYPE, url, xpathlist, literalList, infoString, regexString);
}
/**
* For creating a WaterTempProducer
* @param msgService for TCP-transport
* @param location the location for the water temperature
* @return the created WaterTempProducer
* @throws MalformedURLException
* @throws UnsupportedEncodingException
*/
public static WaterTempProducer createWaterTempProducer(final SerializingMessageService msgService, final String location) throws MalformedURLException, UnsupportedEncodingException{
/**
* URL data
*/
URL url = new URL(WEATHER_PROVIDER + URLEncoder.encode(location, "UTF-8"));
/**
* list containing every created XPath query
*/
List<String> xPathList = new ArrayList<String>();
/**
* list of Literals for a broker/client
*/
List<Literal> literalList = new ArrayList<Literal>();
/**
* list for XSD-types of data
*/
List<URILiteral> infoString = new ArrayList<URILiteral>();
/**
* regular expression can be set for a query, in this case decimal values
*/
List<String> regexString = new ArrayList<String>();
xPathList.add("//th[contains(@id,'h') and contains(@class,'zelle6')]|//th[contains(@id,'m') and contains(@class,'zelle6')]");
infoString.add(Literals.XSD.String);
literalList.add(TIME);
regexString.add("");
xPathList.add("//td[contains(@headers,'wtemp progh')]|//td[contains(@headers,'wtemp progm')]");
infoString.add(Literals.XSD.INT);
literalList.add(TEMP);
regexString.add("");
return new WaterTempProducer(msgService, url, xPathList, literalList, infoString, regexString);
}
/**
* sets the xPath commands and corresponding regular expressions, literaltypes and namespaces.
* After that it starts the producer and with that calls constructor of WeatherProducer.
* @param args
* @throws Exception
*/
public static void main(String[] args) throws Exception {
// create communication channel
SerializingMessageService msgService = ProducerBase.connectToMaster();
String location = JOptionPane.showInputDialog("Enter location to get weather:", defaultlocation);
WaterTempProducer wtp = WaterTempProducer.createWaterTempProducer(msgService, location);
// start producer
wtp.start();
}
}