BetSocialRelationships.java

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

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

import kr.ac.kaist.resl.lilliput.util.Util;

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

import com.mongodb.MongoException;

import edu.stanford.smi.protege.exception.OntologyLoadException;
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.OWLObjectProperty;
import edu.stanford.smi.protegex.owl.model.RDFIndividual;
import edu.stanford.smi.protegex.owl.model.query.QueryResults;

public class BetSocialRelationships extends ServerResource {
	
	@SuppressWarnings("rawtypes")
	@Get("json")
	public JsonRepresentation toJson() {
		try {
			String sourceEpc = (String)getRequest().getAttributes().get("subject");
			String targetEpc = (String)getRequest().getAttributes().get("object");
			//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();
			RDFIndividual sourceInd = owlModel.getOWLIndividual(sourceEpc);
			RDFIndividual destInd = owlModel.getOWLIndividual(targetEpc);
			JSONArray allProp = getAvailableSocialRelationshipsAsJSONArray();
			JSONArray results = new JSONArray();
			JSONObject result;
			for(int i = 0 ; i < allProp.length(); i ++ )
			{
				result = new JSONObject();
				JSONObject propJson = (JSONObject)allProp.get(i);
				String propStr = propJson.getString("s");
				OWLObjectProperty prop = owlModel.getOWLObjectProperty(propStr);
				Collection destCollection = sourceInd.getPropertyValues(prop);
				Iterator destIter = destCollection.iterator();
				while(destIter.hasNext())
				{
					RDFIndividual destRDF = (RDFIndividual)destIter.next();
					if( destRDF.getBrowserText().equals(destInd.getBrowserText()))
					{
						result.put("SocialRelationship", propStr);
						results.put(result);
						break;				
					}
				}
			}
			p.dispose();
			JsonRepresentation representation = new JsonRepresentation(results);
			return representation;
		} catch (MongoException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (JSONException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		return null;
	}
	//3#: Get all available Relationships
	@SuppressWarnings({ "unchecked", "rawtypes" })
	public JSONArray getAvailableSocialRelationshipsAsJSONArray()
	{
		try {
			//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();
			String query = "PREFIX iot: <http://www.owl-ontologies.com/Ontology1334066780.owl#> SELECT ?s WHERE { ?s rdfs:subPropertyOf iot:IoTSocialRelationship }";
			QueryResults queryResults = owlModel.executeSPARQLQuery(query);
			List<String> x = queryResults.getVariables();
			JSONArray resultsJson = new JSONArray();
			while( queryResults.hasNext())
			{
				Map y = queryResults.next();
				JSONObject resultJson = new JSONObject();
				for(int i = 0 ; i < x.size() ; i++ )
				{
					String vars = x.get(i);
					String results = y.get(vars).toString();
					results = Util.individualToBrowserText(results);
					resultJson.put(vars, results);
				}
				resultsJson.put(resultJson);
			}
			p.dispose();
			return resultsJson;
			
			//PREFIX iot: <http://www.owl-ontologies.com/Ontology1334066780.owl#>

	//		SELECT ?subject ?object
		//	WHERE { ?subject iot:hasSpaceEvent ?object }
		} 
		catch (OntologyLoadException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		
		
		return null;
	}
}