/**
* 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.util.ArrayList;
import java.util.List;
import javax.swing.JOptionPane;
import org.json.JSONObject;
import lupos.datastructures.items.Triple;
import lupos.datastructures.items.literal.Literal;
import lupos.datastructures.items.literal.URILiteral;
import lupos.event.communication.SerializingMessageService;
import lupos.event.util.Literals;
import lupos.event.util.Utils;
/**
* Produces events which contain current moon-related information gathered from http://www.wunderground.com.
*
* @author Anderson, Kutzner
*
*/
public class MoonProducer extends ProducerBaseNoDuplicates {
// Defines the name of the event
public static final String NAMESPACE = "http://localhost/events/Moon/";
// Defines the interval
private static final int INTERVAL = 10000;
// Defines the base of the API URL
private static final String API_BASE_URL = "http://api.wunderground.com/api/";
// API-Key, Country- and City-Name used to create the search address with offering: Germany, Lubeck
private String PROJECTCODE = "5f028a996895c1d6";
private String LANDNAME = "Germany";
private String CITYNAME = "Lubeck";
/**
* Class that creates URIs for the search queries.
*/
public static class Predicates {
public static final URILiteral TYPE = Literals.createURI(NAMESPACE, "MoonEvent");
// information about the current moon
/** percentage of the moon thats illuminated */
public static final URILiteral PERCENT_ILLUMINATED = Literals.createURI(NAMESPACE, "percent_illuminated");
/** days since the last new moon */
public static final URILiteral AGE_OF_MOON = Literals.createURI(NAMESPACE, "age_of_moon");
/** hour of the request */
public static final URILiteral CURRENT_HOUR = Literals.createURI(NAMESPACE, "current_hour");
/** minute of the request */
public static final URILiteral CURRENT_MINUTE = Literals.createURI(NAMESPACE, "current_minute");
/** hour of the sunrise */
public static final URILiteral SUNRISE_HOUR = Literals.createURI(NAMESPACE, "sunrise_hour");
/** minute of the sunrise */
public static final URILiteral SUNRISE_MINUTE = Literals.createURI(NAMESPACE, "sunrice_minute");
/** hour of the sunset */
public static final URILiteral SUNSET_HOUR = Literals.createURI(NAMESPACE, "sunset_hour");
/** minute of the sunset */
public static final URILiteral SUNSET_MINUTE = Literals.createURI(NAMESPACE, "sunset_minute");
}
/**
* Constructor of the MoonProducer.
*
* @param msgService The message service that the producer should use to communicate.
* @throws Exception
*/
public MoonProducer(SerializingMessageService msgService) throws Exception {
super(msgService, INTERVAL);
}
/**
* Creates and returns triples with the moon information.
*/
@Override
public List<List<Triple>> produceWithDuplicates() {
try {
// search for query via wunderground API
// http://api.wunderground.com/api/5f028a996895c1d6/astronomy/q/Germany/Lubeck.json
String jsonStr = Utils.httpGet(API_BASE_URL + this.PROJECTCODE + "/astronomy/q/" + this.LANDNAME + "/" + this.CITYNAME + ".json");
// get results list from json-response
JSONObject rootObj = new JSONObject(jsonStr);
JSONObject returnObj = rootObj.getJSONObject("moon_phase");
String percentIlluminatedValue = returnObj.getString("percentIlluminated");
String ageOfMoonValue = returnObj.getString("ageOfMoon");
JSONObject returnObj2 = rootObj.getJSONObject("moon_phase").getJSONObject("current_time");
String currentHourValue = returnObj2.getString("hour");
String currentMinuteValue = returnObj2.getString("minute");
JSONObject returnObj3 = rootObj.getJSONObject("moon_phase").getJSONObject("sunrise");
String sunriseHourValue = returnObj3.getString("hour");
String sunriseMinuteValue = returnObj3.getString("minute");
JSONObject returnObj4 = rootObj.getJSONObject("moon_phase").getJSONObject("sunset");
String sunsetHourValue = returnObj4.getString("hour");
String sunsetMinuteValue = returnObj4.getString("minute");
// creates an array list
List<Triple> triples = new ArrayList<Triple>();
// create an event instance for found weather
// create triples
final Literal percentIlluminatedObject = Literals.createTyped(percentIlluminatedValue, Literals.XSD.DECIMAL);
final Literal ageOfMoonObject = Literals.createTyped(ageOfMoonValue, Literals.XSD.DECIMAL);
final Literal currentHourObject = Literals.createTyped(currentHourValue, Literals.XSD.DECIMAL);
final Literal currentMinuteObject = Literals.createTyped(currentMinuteValue, Literals.XSD.DECIMAL);
final Literal sunriseHourObject = Literals.createTyped(sunriseHourValue, Literals.XSD.DECIMAL);
final Literal sunriseMinuteObject = Literals.createTyped(sunriseMinuteValue, Literals.XSD.DECIMAL);
final Literal sunsetHourObject = Literals.createTyped(sunsetHourValue, Literals.XSD.DECIMAL);
final Literal sunsetMinuteObject = Literals.createTyped(sunsetMinuteValue, Literals.XSD.DECIMAL);
// Adds triples (subject, predicate, object) to the array list
triples.add(new Triple(Literals.AnonymousLiteral.ANONYMOUS, Literals.RDF.TYPE, Predicates.TYPE));
triples.add(new Triple(Literals.AnonymousLiteral.ANONYMOUS, Predicates.PERCENT_ILLUMINATED, percentIlluminatedObject));
triples.add(new Triple(Literals.AnonymousLiteral.ANONYMOUS, Predicates.AGE_OF_MOON, ageOfMoonObject));
triples.add(new Triple(Literals.AnonymousLiteral.ANONYMOUS, Predicates.CURRENT_HOUR, currentHourObject));
triples.add(new Triple(Literals.AnonymousLiteral.ANONYMOUS, Predicates.CURRENT_MINUTE, currentMinuteObject));
triples.add(new Triple(Literals.AnonymousLiteral.ANONYMOUS, Predicates.SUNRISE_HOUR, sunriseHourObject));
triples.add(new Triple(Literals.AnonymousLiteral.ANONYMOUS, Predicates.SUNRISE_MINUTE, sunriseMinuteObject));
triples.add(new Triple(Literals.AnonymousLiteral.ANONYMOUS, Predicates.SUNSET_HOUR, sunsetHourObject));
triples.add(new Triple(Literals.AnonymousLiteral.ANONYMOUS, Predicates.SUNSET_MINUTE, sunsetMinuteObject));
// returns the array list with all the requested information
return ProducerBase.fold(triples);
} catch (Exception e) {
System.err.println(e);
e.printStackTrace();
}
return null;
}
/**
* Main-method that starts the MoonProducer and asks for the country and city to get information about.
*
* @param args command line parameter
* @throws Exception
*/
public static void main(String[] args) throws Exception {
// create communication channel
SerializingMessageService msgService = ProducerBase.connectToMaster();
// create new WeatherProducer
MoonProducer mp = new MoonProducer(msgService);
// create windows to choose the country and city you want to search
mp.LANDNAME = JOptionPane.showInputDialog("Enter a country to be searched for on wunderground:", mp.LANDNAME);
mp.CITYNAME = JOptionPane.showInputDialog("Enter a city name to be searched for on wunderground:", mp.CITYNAME);
// start producer
mp.start();
}
}