Get json data from url

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.params.BasicHttpParams;
import org.apache.http.params.HttpConnectionParams;
import org.apache.http.params.HttpParams;
import org.json.JSONException;
import org.json.JSONObject;

import android.util.Log;

public class JSONParser {

   static InputStream is = null;
   static JSONObject jObj = null;
   static String json = "";

   // constructor
   public JSONParser() {
    
   }

   public JSONObject getJSONFromUrl(String url) {

       // Making HTTP request
       try {
           // defaultHttpClient
        int TIMEOUT_MILLISEC = 10000; 
        HttpParams httpParams = new BasicHttpParams();
        HttpConnectionParams.setConnectionTimeout(httpParams,TIMEOUT_MILLISEC);
        HttpConnectionParams.setSoTimeout(httpParams, TIMEOUT_MILLISEC);
        HttpClient httpClient = new DefaultHttpClient(httpParams);
           HttpGet httpGet = new HttpGet(url);

           HttpResponse httpResponse = httpClient.execute(httpGet);
           HttpEntity httpEntity = httpResponse.getEntity();
           is = httpEntity.getContent();           

       } catch (UnsupportedEncodingException e) {
           e.printStackTrace();
       } catch (ClientProtocolException e) {
           e.printStackTrace();
       } catch (IOException e) {
           e.printStackTrace();
       }
        
       try {
     
           BufferedReader reader = new BufferedReader(new InputStreamReader(is, "iso-8859-1"), 8);
           StringBuilder sb = new StringBuilder();
           String line = null;
           while ((line = reader.readLine()) != null) {
            System.out.println(" "+line);
               sb.append(line + "\n");
           }
           is.close();
           json = sb.toString();
       } catch (Exception e) {
           Log.e("Buffer Error", "Error converting result " + e.toString());
       }

       // try parse the string to a JSON object
       try {
           jObj = new JSONObject(json);
       } catch (JSONException e) {
           Log.e("JSON Parser", "Error parsing data " + e.toString());
       }

       // return JSON String
       return jObj;

   }
}