Login.java

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

import java.net.UnknownHostException;
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;

public class Login extends ServerResource {

	@Get("json")
	public JsonRepresentation toJson() throws JSONException {
		String epc = (String)getRequest().getAttributes().get("uid");
		String password = (String)getRequest().getAttributes().get("password");
		
		String result = logIn(epc, password);
		
		
		JSONObject returnJSON = new JSONObject();
		returnJSON.put("message", result);
		JsonRepresentation representation = new JsonRepresentation(returnJSON);
		return representation;
		
		
	}
	//1: login 	1/login/pw
	public String logIn(String epc, String password)
	{
		try {
			Mongo m = new Mongo("143.248.106.26", 27017);
			System.out.println("connect db");
			DB db = m.getDB("Lilliput");
			System.out.println("getting db");
			DBCollection collection = db.getCollection("EPCStorage");
			System.out.println("getting collection");
			DBObject query = new BasicDBObject();
			query.put("epc", epc);
			DBObject queriedObject = collection.findOne(query);
			if( !((String)queriedObject.get("password")).equals(password) )
			{//password�� Ʋ����
				m.close();
				return "login failed : invalid password";
			}
			else
			{
				m.close();
				return "success";
			}			
		}  catch (UnknownHostException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (MongoException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		
		return null;
	}
}