PlaceRegistration.java

package kr.ac.kaist.resl.lilliput.core;

import java.io.IOException;

import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import kr.ac.kaist.resl.lilliput.util.JSONHelper;
import kr.ac.kaist.resl.lilliput.util.MongoHelper;

import org.json.JSONObject;

import com.restfb.DefaultFacebookClient;
import com.restfb.FacebookClient;
import com.restfb.types.Page;

import edu.stanford.smi.protege.model.Project;
import edu.stanford.smi.protege.server.RemoteProjectManager;
import edu.stanford.smi.protegex.owl.model.OWLModel;
import edu.stanford.smi.protegex.owl.model.OWLNamedClass;
import edu.stanford.smi.protegex.owl.model.OWLObjectProperty;
import edu.stanford.smi.protegex.owl.model.RDFIndividual;

/**
 * Servlet implementation class PlaceRegistration
 */
public class PlaceRegistration extends HttpServlet {
	private static final long serialVersionUID = 1L;
       
    /**
     * @see HttpServlet#HttpServlet()
     */
    public PlaceRegistration() {
        super();
        // TODO Auto-generated constructor stub
    }

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		
		//It's done
		String accessToken = (String)request.getParameter("accessToken");
		String pageURL = (String)request.getParameter("pageURL");
		PlaceEnroll(accessToken, pageURL);
		RequestDispatcher dispatcher = request.getRequestDispatcher("registration.jsp");
		dispatcher.forward(request, response);
	
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
	}
	public void PlaceEnroll(String accessToken, String pageURL)
	{
		
		//making facebookClient
		FacebookClient facebookClient = new DefaultFacebookClient(accessToken);
		
		//getting Place page
		Page placePage = facebookClient.fetchObject(pageURL, Page.class);
		if( placePage == null )
		{
			return;
		}
					
		//getting object EPC
		String placeEPC = placePage.getName().toLowerCase();
		
		//Ontology�� �ҷ���
		RemoteProjectManager rpm = RemoteProjectManager.getInstance();
		Project p = rpm.getProject("localhost:5100", "Lilliput", "1234", "IoTSocialGraph", true);
		OWLModel owlModel = (OWLModel)p.getKnowledgeBase();
		
		//identify whethere object is in or not
		RDFIndividual placeInd = owlModel.getRDFIndividual(placeEPC);
		OWLNamedClass placeClass = owlModel.getOWLNamedClass("IndoorSpace");
		
		if( placeInd != null )
		{
			return;
		}
		else
		{
			placeInd = placeClass.createRDFIndividual(placeEPC);
		}
				
		//saving place information to the database
		JSONHelper jhelper = new JSONHelper();
		JSONObject jsonPlace = jhelper.getJSONFromPlace(placePage);		
		MongoHelper mHelper = new MongoHelper();
		String placeInformID = mHelper.saveToDB("SpaceInformation", jsonPlace, "epc", placePage.getName().toLowerCase());
		
		//save to Ontology : Information
		OWLNamedClass informClass = owlModel.getOWLNamedClass("SpaceInformation");
		RDFIndividual informInd = informClass.createRDFIndividual(placeInformID);
		//making relationship : Human - Information
		OWLObjectProperty hasInform = owlModel.getOWLObjectProperty("hasSpaceInformation");
		placeInd.addPropertyValue(hasInform, informInd);
		
		p.dispose();
		System.out.println("Place Registration is finished");
		
	}
}