PlaceEvents.java

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

import java.net.UnknownHostException;
import java.util.ArrayList;
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.bson.types.ObjectId;
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.BasicDBObject;
import com.mongodb.DB;
import com.mongodb.DBCollection;
import com.mongodb.DBObject;
import com.mongodb.Mongo;
import com.mongodb.MongoException;

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;

public class PlaceEvents extends ServerResource {
	
	@SuppressWarnings("rawtypes")
	@Get("json")
	public JsonRepresentation toJson() throws JSONException {
		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();
			RDFIndividual spaceInd = owlModel.getOWLIndividual(epc);
			OWLObjectProperty objectEventProp = owlModel.getOWLObjectProperty("hasObjectEventIn");
			OWLObjectProperty spaceEventProp = owlModel.getOWLObjectProperty("hasSpaceEvent");
			
			JSONObject returnJSON = new JSONObject();
			List<String> objectEventIDs = new ArrayList<String>();
			List<String> spaceEventIDs = new ArrayList<String>();
			Collection oeCol = spaceInd.getPropertyValues(objectEventProp);
			Iterator oeIter = oeCol.iterator();
			
			Collection seCol = spaceInd.getPropertyValues(spaceEventProp);
			Iterator seIter = seCol.iterator();
			
			while( oeIter.hasNext() )
			{
				RDFIndividual tempInd = (RDFIndividual)oeIter.next();
				objectEventIDs.add(Util.individualToBrowserText(tempInd.getBrowserText()));
				System.out.println(tempInd.getBrowserText() + "is added to list");
				
			}
			
			while( seIter.hasNext() )
			{
				RDFIndividual tempInd = (RDFIndividual)seIter.next();
				spaceEventIDs.add(Util.individualToBrowserText(tempInd.getBrowserText()));
				System.out.println(tempInd.getBrowserText() + "is added to list");
			}
			Mongo m = new Mongo("143.248.106.26", 27017);
			DB db = m.getDB("Lilliput");
			//������ size �� 1��.
			for(int i = 0 ; i < objectEventIDs.size(); i ++ )
			{
				DBCollection collection = db.getCollection("ObjectEvent");
				DBObject query = new BasicDBObject();
				query.put("_id",new ObjectId(objectEventIDs.get(i)));
				DBObject queriedObject = collection.findOne(query);
				Map queriedMap = queriedObject.toMap();
				JSONObject queriedJson = new JSONObject(queriedMap);
				returnJSON.put("ObjectEvent", queriedJson);				
			}
			for(int i = 0 ; i < spaceEventIDs.size(); i ++ )
			{
				DBCollection collection = db.getCollection("SpaceEvent");
				DBObject query = new BasicDBObject();
				query.put("_id",new ObjectId(spaceEventIDs.get(i)));
				DBObject queriedObject = collection.findOne(query);
				Map queriedMap = queriedObject.toMap();
				JSONObject queriedJson = new JSONObject(queriedMap);
				returnJSON.put("SpaceEvent", queriedJson);				
			}
			
			JsonRepresentation representation = new JsonRepresentation(returnJSON);
			return representation;
			
		} catch (UnknownHostException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (MongoException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (JSONException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		JSONObject err = new JSONObject();
		err.put("message", "error occured");
		JsonRepresentation representation = new JsonRepresentation(err);
		return representation;
	}
}