content: package edu.berkeley.cs.amplab.carat.android.utils;
  
  import java.io.BufferedReader;
  import java.io.IOException;
  import java.io.InputStream;
  import java.io.InputStreamReader;
  import java.io.UnsupportedEncodingException;
  import java.net.UnknownHostException;
  import java.util.ArrayList;
  
  import org.apache.http.HttpEntity;
  import org.apache.http.HttpResponse;
  import org.apache.http.NameValuePair;
  import org.apache.http.client.ClientProtocolException;
  import org.apache.http.client.HttpClient;
  import org.apache.http.client.entity.UrlEncodedFormEntity;
  import org.apache.http.client.methods.HttpPost;
  import org.apache.http.impl.client.DefaultHttpClient;
  
  import android.util.Log;
  
  
  public class JsonParser {
  	
  	public String getJSONFromUrl(String url) {
  		InputStream inputStream = null;
  	    String result = null; 
  	    
  		ArrayList<NameValuePair> param = new ArrayList<NameValuePair>();
  		
  		try {
              // Set up HTTP post
  
              HttpClient httpClient = new DefaultHttpClient();
  
              HttpPost httpPost = new HttpPost(url);
              httpPost.setEntity(new UrlEncodedFormEntity(param));
              HttpResponse httpResponse = httpClient.execute(httpPost);
              HttpEntity httpEntity = httpResponse.getEntity();
  
              // Read content & Log
              inputStream = httpEntity.getContent();
          } catch (UnknownHostException e0) {
          	Log.d("JsonParser", "Unable to connect to the statstics server (no Internet on the device! is Wifi or mobile data on?), " + e0.toString());
          	return "";
          } catch (UnsupportedEncodingException e1) {
              Log.e("UnsupportedEncodingException", e1.toString());
              return "";
          } catch (ClientProtocolException e2) {
              Log.e("ClientProtocolException", e2.toString());
              return "";
          } catch (IllegalStateException e3) {
              Log.e("IllegalStateException", e3.toString());
              return "";
          } catch (IOException e4) {
              Log.e("IOException", e4.toString());
              return "";
          }
          // Convert response to string using String Builder
          try {
              BufferedReader bReader = new BufferedReader(new InputStreamReader(inputStream, "utf-8"), 8);
              StringBuilder sBuilder = new StringBuilder();
  
              String line = null;
              while ((line = bReader.readLine()) != null) {
                  sBuilder.append(line + "\n");
              }
  
              inputStream.close();
              result = sBuilder.toString();
  
          } catch (Exception e) {
              Log.e("StringBuilding & BufferedReader", "Error converting result " + e.toString());
          }
          
          return result;
  	}
  }
  