JSONHelper.java

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

import java.util.ArrayList;
import java.util.List;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

import com.restfb.types.Location;
import com.restfb.types.NamedFacebookType;
import com.restfb.types.Page;
import com.restfb.types.User;
import com.restfb.types.User.Education;

public class JSONHelper {
	
	public JSONHelper()
	{
		
	}
	
	public JSONArray getJSONFromSTIS(Document result)
	{
		return null;
	}
	
	public JSONObject getJSONFromPlace(Page objectPage,String epc)
	{
		try 
		{
			JSONObject jsonObject = new JSONObject();
			if( objectPage.getId() != null ) jsonObject.put("fid", objectPage.getId());
			if( objectPage.getCategory() != null ) jsonObject.put("category", objectPage.getCategory());
			if( objectPage.getDescription() != null ) jsonObject.put("description", objectPage.getDescription());
			if( objectPage.getFounded() != null ) jsonObject.put("foundedDate", objectPage.getFounded());
			if( objectPage.getLink() != null ) jsonObject.put("link", objectPage.getLink());
			if( objectPage.getLocation() != null )
			{
				JSONObject jsonLoc = new JSONObject();				
				Location objLoc = objectPage.getLocation();
				if( objLoc.getCity() != null ) jsonLoc.put("city", objLoc.getCity());
				if( objLoc.getCountry() != null ) jsonLoc.put("country", objLoc.getCountry());
				if( objLoc.getLatitude() != null ) jsonLoc.put("latitude", objLoc.getLatitude());
				if( objLoc.getLongitude() != null ) jsonLoc.put("longitude", objLoc.getLongitude());
				if( objLoc.getState() != null ) jsonLoc.put("state", objLoc.getState());
				if( objLoc.getZip() != null ) jsonLoc.put("zip", objLoc.getZip());
				jsonObject.put("location", objLoc);			
			}
			jsonObject.put("epc", epc);
			if( objectPage.getPicture() != null ) jsonObject.put("picture", objectPage.getPicture());
			if( objectPage.getProducts() != null ) jsonObject.put("products", objectPage.getProducts());
			if( objectPage.getUsername() != null ) jsonObject.put("userName", objectPage.getUsername());
			
			return jsonObject;		
		} catch (JSONException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
			return null;
		}
	}
	public JSONObject getJSONFromPlace(Page objectPage)
	{
		try 
		{
			JSONObject jsonObject = new JSONObject();
			if( objectPage.getId() != null ) jsonObject.put("fid", objectPage.getId());
			if( objectPage.getCategory() != null ) jsonObject.put("category", objectPage.getCategory());
			if( objectPage.getDescription() != null ) jsonObject.put("description", objectPage.getDescription());
			if( objectPage.getFounded() != null ) jsonObject.put("foundedDate", objectPage.getFounded());
			if( objectPage.getLink() != null ) jsonObject.put("link", objectPage.getLink());
			if( objectPage.getLocation() != null )
			{
				JSONObject jsonLoc = new JSONObject();				
				Location objLoc = objectPage.getLocation();
				if( objLoc.getCity() != null ) jsonLoc.put("city", objLoc.getCity());
				if( objLoc.getCountry() != null ) jsonLoc.put("country", objLoc.getCountry());
				if( objLoc.getLatitude() != null ) jsonLoc.put("latitude", objLoc.getLatitude());
				if( objLoc.getLongitude() != null ) jsonLoc.put("longitude", objLoc.getLongitude());
				if( objLoc.getState() != null ) jsonLoc.put("state", objLoc.getState());
				if( objLoc.getZip() != null ) jsonLoc.put("zip", objLoc.getZip());
				jsonObject.put("location", objLoc);			
			}
			if( objectPage.getName() != null )  jsonObject.put("epc", objectPage.getName().toLowerCase());
			if( objectPage.getPicture() != null ) jsonObject.put("picture", objectPage.getPicture());
			if( objectPage.getProducts() != null ) jsonObject.put("products", objectPage.getProducts());
			if( objectPage.getUsername() != null ) jsonObject.put("userName", objectPage.getUsername());
			
			return jsonObject;		
		} catch (JSONException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
			return null;
		}
	}
	
	public JSONObject getJSONFromObject(Page objectPage)
	{
		try 
		{
			JSONObject jsonObject = new JSONObject();
			if( objectPage.getId() != null ) jsonObject.put("fid", objectPage.getId());
			if( objectPage.getCategory() != null ) jsonObject.put("category", objectPage.getCategory());
			if( objectPage.getDescription() != null ) jsonObject.put("description", objectPage.getDescription());
			if( objectPage.getFounded() != null ) jsonObject.put("foundedDate", objectPage.getFounded());
			if( objectPage.getLink() != null ) jsonObject.put("link", objectPage.getLink());
			if( objectPage.getLocation() != null )
			{
				JSONObject jsonLoc = new JSONObject();				
				Location objLoc = objectPage.getLocation();
				if( objLoc.getCity() != null ) jsonLoc.put("city", objLoc.getCity());
				if( objLoc.getCountry() != null ) jsonLoc.put("country", objLoc.getCountry());
				if( objLoc.getLatitude() != null ) jsonLoc.put("latitude", objLoc.getLatitude());
				if( objLoc.getLongitude() != null ) jsonLoc.put("longitude", objLoc.getLongitude());
				if( objLoc.getState() != null ) jsonLoc.put("state", objLoc.getState());
				if( objLoc.getZip() != null ) jsonLoc.put("zip", objLoc.getZip());
				jsonObject.put("location", objLoc);			
			}
			if( objectPage.getName() != null )  jsonObject.put("name", objectPage.getName());
			if( objectPage.getPicture() != null ) jsonObject.put("picture", objectPage.getPicture());
			if( objectPage.getProducts() != null ) jsonObject.put("epc", objectPage.getProducts());
			if( objectPage.getUsername() != null ) jsonObject.put("userName", objectPage.getUsername());
			
			return jsonObject;		
		} catch (JSONException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
			return null;
		}
	}
	public JSONObject getJSONFromObject(Page objectPage, String epc)
	{
		try 
		{
			JSONObject jsonObject = new JSONObject();
			if( objectPage.getId() != null ) jsonObject.put("fid", objectPage.getId());
			if( objectPage.getCategory() != null ) jsonObject.put("category", objectPage.getCategory());
			if( objectPage.getDescription() != null ) jsonObject.put("description", objectPage.getDescription());
			if( objectPage.getFounded() != null ) jsonObject.put("foundedDate", objectPage.getFounded());
			if( objectPage.getLink() != null ) jsonObject.put("link", objectPage.getLink());
			if( objectPage.getLocation() != null )
			{
				JSONObject jsonLoc = new JSONObject();				
				Location objLoc = objectPage.getLocation();
				if( objLoc.getCity() != null ) jsonLoc.put("city", objLoc.getCity());
				if( objLoc.getCountry() != null ) jsonLoc.put("country", objLoc.getCountry());
				if( objLoc.getLatitude() != null ) jsonLoc.put("latitude", objLoc.getLatitude());
				if( objLoc.getLongitude() != null ) jsonLoc.put("longitude", objLoc.getLongitude());
				if( objLoc.getState() != null ) jsonLoc.put("state", objLoc.getState());
				if( objLoc.getZip() != null ) jsonLoc.put("zip", objLoc.getZip());
				jsonObject.put("location", objLoc);			
			}
			if( objectPage.getName() != null )  jsonObject.put("name", objectPage.getName());
			if( objectPage.getPicture() != null ) jsonObject.put("picture", objectPage.getPicture());
			jsonObject.put("epc", epc);
			if( objectPage.getUsername() != null ) jsonObject.put("userName", objectPage.getUsername());
			
			return jsonObject;		
		} catch (JSONException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
			return null;
		}
	}
	
	public JSONObject getJSONFromUser(User user)
	{
		try 
		{
			JSONObject jsonUser = new JSONObject();
			if( user.getAbout() != null )	jsonUser.put("about", user.getAbout());
			if( user.getBio() != null ) jsonUser.put("bio", user.getBio());
			if( user.getAbout() != null )jsonUser.put("birthday", user.getBirthday());
			if( user.getEducation() != null )
			{
				List<Education> userEducation = user.getEducation();
				JSONArray eduArray = new JSONArray();
				for(int i = 0 ; i < userEducation.size() ; i ++ )
				{
					JSONObject eduObject = new JSONObject();
					Education edu = userEducation.get(i);
					if( edu.getYear() != null )
					{
						NamedFacebookType eduYear = edu.getYear();
						eduObject.put("year", eduYear.getName());
					}
					if( edu.getSchool() != null )
					{
						NamedFacebookType eduSchool = edu.getSchool();
						eduObject.put("school", eduSchool.getName());
					}
					eduObject.put("type", edu.getType());
					eduArray.put(eduObject);
				}
				jsonUser.put("education", eduArray);
			}
			if( user.getEmail() != null ) jsonUser.put("email", user.getEmail());
			if( user.getGender() != null ) jsonUser.put("gender", user.getGender());
			if( user.getId() != null ) jsonUser.put("fid", user.getId());
			if( user.getLink() != null ) jsonUser.put("link", user.getLink());
			if( user.getName() != null ) jsonUser.put("name", user.getName());
			if( user.getUpdatedTime() != null ) jsonUser.put("updatedTime", user.getUpdatedTime().toString());
			
			return jsonUser;
		
		
		} catch (JSONException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
			return null;
		}
		
	}
	
	public List<JSONObject> getJSONFromEPC(Document result)
	{
		try {
			List<JSONObject> returnEvent = new ArrayList<JSONObject>(); 
			JSONObject event;
			//Retrieve ObjectEvents
			NodeList objectEvents = result.getElementsByTagName("ObjectEvent");
			for(int i = 0 ; i < objectEvents.getLength() ; i ++ )
			{
				event = new JSONObject();
				//Iterating objectEvents
				Element objectEvent = (Element)objectEvents.item(i);
				//eventTime
				Node eventTime = objectEvent.getElementsByTagName("eventTime").item(0);
				String eventTimeStr = eventTime.getTextContent();
				event.put("eventTime", eventTimeStr);
				Node epcList = objectEvent.getElementsByTagName("epcList").item(0);
				NodeList epcs = epcList.getChildNodes();
				JSONArray epcJSONs = new JSONArray();
				for(int j = 0 ; j < epcs.getLength() ; j++ )
				{
					//EPC
					JSONObject epcJSON = new JSONObject();
					Node epcNode = epcs.item(j);
					String epcString = epcNode.getTextContent();
					System.out.println(epcString);
					epcJSON.put("epc", epcString);
					epcJSONs.put(epcJSON);
				}
				event.put("epcList", epcJSONs);
				Node bizLocation = objectEvent.getElementsByTagName("bizLocation").item(0);
				NodeList bizLocIDs = bizLocation.getChildNodes();
				JSONArray bizLocJSONs = new JSONArray();
				for(int j = 0 ; j < bizLocIDs.getLength() ; j++ )
				{
					//Business Location
					JSONObject bizIDJSON = new JSONObject();
					Node bizID = bizLocIDs.item(j);
					String bizLocationID = bizID.getTextContent();
					bizIDJSON.put("id", bizLocationID);
					bizLocJSONs.put(bizIDJSON);
				}
				event.put("bizLocation", bizLocJSONs);
				returnEvent.add(event);
			}
			return returnEvent;
		}
		catch(JSONException e)
		{
			return null;
		}
	}
}