STISBroker.java

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

import java.io.IOException;

import javax.xml.datatype.DatatypeConfigurationException;
import javax.xml.datatype.DatatypeFactory;

import kr.ac.kaist.resl.lilliput.core.DeviceInformationAdapter;
import kr.ac.kaist.resl.lilliput.core.SNSPusher;
import kr.ac.kaist.resl.lilliput.util.EPCISHelper;

import net.sf.json.xml.XMLSerializer;

import org.fosstrak.epcis.model.Poll;
import org.fosstrak.epcis.model.QueryResults;
import org.fosstrak.epcis.queryclient.QueryControlClient;
import org.fosstrak.epcis.soap.ImplementationExceptionResponse;
import org.fosstrak.epcis.soap.NoSuchNameExceptionResponse;
import org.fosstrak.epcis.soap.QueryParameterExceptionResponse;
import org.fosstrak.epcis.soap.QueryTooComplexExceptionResponse;
import org.fosstrak.epcis.soap.QueryTooLargeExceptionResponse;
import org.fosstrak.epcis.soap.SecurityExceptionResponse;
import org.fosstrak.epcis.soap.ValidationExceptionResponse;
import org.fosstrak.epcis.utils.QueryResultsParser;
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;

public class STISBroker extends ServerResource {

	@Get("json")
	public JsonRepresentation toJson() throws JSONException {
		try {
			String epc = (String)getRequest().getAttributes().get("epc");
			//String url = getQuery().getValues("url");
			String url = "http://143.248.106.137/epcis-repository-0.4.2/query";
		    //Query to EPCIS repository
			
			QueryControlClient client = new QueryControlClient(url);
			
			//Poll
			EPCISHelper eHelper = new EPCISHelper();
			Poll poll = null;
			Poll poll2 = null;
			
			if( epc.contains("gid") || epc.contains("sgtin"))
			{
				poll = eHelper.createRecentObjectPoll(epc);
				poll2 = eHelper.createRecentSensingObjectPoll(epc);
				
				QueryResults results = client.poll(poll);
				QueryResults results2 = client.poll(poll2);
				//Retrieve Document
				String result = QueryResultsParser.queryResultsToXml(results);
				String result2 = QueryResultsParser.queryResultsToXml(results2);
				XMLSerializer serializer = new XMLSerializer();
				net.sf.json.JSONObject resultJSON = (net.sf.json.JSONObject)serializer.read(result);
				net.sf.json.JSONObject resultJSON2 = (net.sf.json.JSONObject)serializer.read(result2);
				
				JSONObject returnObject = new JSONObject(resultJSON.toString());
				JSONObject returnObject2 = new JSONObject(resultJSON2.toString());
				
				//Reflecting it to the IoT-Social Graph
				DeviceInformationAdapter da = new DeviceInformationAdapter();
				da.objectInformationAdapter(returnObject, epc);
				da.sensingInformationAdapter(returnObject2, epc);
				
				//Reflecting it to the Facebook
				SNSPusher sPusher = new SNSPusher();
				sPusher.pushToFacebook("urn:epc:id:sgtin:0000001.000001.1", "hello");
				
				
				JSONObject totObj = new JSONObject();
				totObj.put("ObjectEvent", returnObject);
				totObj.put("SensingEvent", returnObject2);
				
			    JsonRepresentation representation = new JsonRepresentation(totObj);
				return representation;
			}
			else if( epc.contains("sgln"))
			{
				poll = eHelper.createRecentPoll(epc);
				QueryResults results = client.poll(poll);
				String result = QueryResultsParser.queryResultsToXml(results);
				XMLSerializer serializer = new XMLSerializer();
				net.sf.json.JSONObject resultJSON = (net.sf.json.JSONObject)serializer.read(result);
				JSONObject returnObject = new JSONObject(resultJSON.toString());
				DeviceInformationAdapter da = new DeviceInformationAdapter();
				da.locationInformationAdapter(returnObject, epc);
				
				JsonRepresentation representation = new JsonRepresentation(returnObject);
				return representation;
			}
			
			
			
			//
			// serializer �� json-lib�ȿ� �ְ�    nu/zom/serializer �׸��� ezmorph�� ������� ���� org.apache.common ���� ���� commons beanutil��
			
			
			
		} catch (JSONException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (DatatypeConfigurationException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (ImplementationExceptionResponse e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (QueryTooComplexExceptionResponse e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (QueryTooLargeExceptionResponse e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (SecurityExceptionResponse e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (ValidationExceptionResponse e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (NoSuchNameExceptionResponse e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (QueryParameterExceptionResponse e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} 
		JSONObject err = new JSONObject();
		err.put("message", "error occured");
		JsonRepresentation representation = new JsonRepresentation(err);
		return representation;
	}
}