GetMyPlace.java

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

import java.util.Collection;
import java.util.Iterator;
import java.util.List;

import kr.ac.kaist.resl.lilliput.ac.AccessController;
import kr.ac.kaist.resl.lilliput.ac.AccessibilityPair;

import org.json.JSONArray;
import org.json.JSONObject;
import org.restlet.ext.json.JsonRepresentation;
import org.restlet.resource.Get;
import org.restlet.resource.ServerResource;

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;

public class GetMyPlace extends ServerResource {

	@SuppressWarnings("rawtypes")
	@Get("json")
	public JsonRepresentation toJson() {
		try
		{
			String epc = (String)getRequest().getAttributes().get("uid");
			//Save Space to Ontology if it is not saved
		    RemoteProjectManager rpm = RemoteProjectManager.getInstance();
			Project p = rpm.getProject("localhost:5100", "Lilliput", "1234", "IoTSocialGraph", true);
			OWLModel owlModel = (OWLModel)p.getKnowledgeBase();
			@SuppressWarnings("unused")
			OWLNamedClass humanClass = owlModel.getOWLNamedClass("Human");
			@SuppressWarnings("unused")
			OWLNamedClass indoorSpaceClass = owlModel.getOWLNamedClass("IndoorSpace");
			OWLObjectProperty hasOwnership = owlModel.getOWLObjectProperty("hasOwnership"); 
			OWLObjectProperty hasFriend = owlModel.getOWLObjectProperty("hasFriend"); 
			OWLObjectProperty isFollowing = owlModel.getOWLObjectProperty("isFollowing"); 
			RDFIndividual humanInd;
			List<AccessibilityPair> acPair = AccessController.getAccessibilityList(owlModel, epc);
			JSONArray resultArray = new JSONArray();
			JSONObject resultObject;
			humanInd = owlModel.getRDFIndividual(epc);
			Collection destCol = humanInd.getPropertyValues(hasOwnership);
			Iterator destIter = destCol.iterator();
			while(destIter.hasNext())
			{
				RDFIndividual destInd = (RDFIndividual)destIter.next();
				String destEPC = destInd.getBrowserText();
				if( destEPC.contains("sgln") == true )
				{					
					resultObject = new JSONObject();
					resultObject.put("epc", destEPC);
					JSONObject returnObj = Information.getInformation(owlModel, destEPC);
					if( returnObj != null )
					{
						resultObject.put("information", returnObj);
					}					
					resultArray.put(resultObject);
					
				}
				
			}
			Collection friendCol = humanInd.getPropertyValues(hasFriend);
			Iterator friendIter = friendCol.iterator();
			while( friendIter.hasNext())
			{
				RDFIndividual destInd = (RDFIndividual)friendIter.next();
				
				Collection fpCol = destInd.getPropertyValues(hasOwnership);
				Iterator fpIter = fpCol.iterator();
				while(fpIter.hasNext())
				{
					RDFIndividual fpInd = (RDFIndividual)fpIter.next();
					String fpEPC = fpInd.getBrowserText();
					if( !AccessController.isAccessible(acPair, epc, fpEPC))
					{
						continue;
					}					
					if( fpEPC.contains("sgln") == true )
					{
						resultObject = new JSONObject();
						resultObject.put("epc", fpEPC);
						JSONObject returnObj = Information.getInformation(owlModel,fpEPC);
						if( returnObj != null )
						{
							resultObject.put("information", returnObj);
						}	
						resultArray.put(resultObject);
					}					
				}	
			}
			
			Collection followCol = humanInd.getPropertyValues(isFollowing);
			Iterator followIter = followCol.iterator();
			while( followIter.hasNext())
			{
				RDFIndividual destInd = (RDFIndividual)followIter.next();
				
				Collection fpCol = destInd.getPropertyValues(hasOwnership);
				Iterator fpIter = fpCol.iterator();
				while(fpIter.hasNext())
				{
					RDFIndividual fpInd = (RDFIndividual)fpIter.next();
					String fpEPC = fpInd.getBrowserText();
					if( !AccessController.isAccessible(acPair, epc, fpEPC))
					{
						continue;
					}	
					if( fpEPC.contains("sgln") == true )
					{
						resultObject = new JSONObject();
						resultObject.put("epc", fpEPC);
						JSONObject returnObj = Information.getInformation(owlModel, fpEPC);
						if( returnObj != null )
						{
							resultObject.put("information", returnObj);
						}	
						resultArray.put(resultObject);
					}					
				}	
			}
			
			
			
			
			
			
			p.dispose();
			JsonRepresentation representation = new JsonRepresentation(resultArray);
			return representation;
		}catch( Exception e)
		{
			e.printStackTrace();
			return null;
		}	
	}
	
	
	
}