json_class.java

public class Json {
	
	public static JSONObject getJson(String url){
		
		InputStream is = null;
		String result = "";
		JSONObject jsonObject = null;
		
		// HTTP
		try {	    	
			HttpClient httpclient = new DefaultHttpClient(); // for port 80 requests!
			HttpPost httppost = new HttpPost(url);
			HttpResponse response = httpclient.execute(httppost);
			HttpEntity entity = response.getEntity();
			is = entity.getContent();
		} catch(Exception e) {
			return null;
		}
	    
		// Read response to string
		try {	    	
			BufferedReader reader = new BufferedReader(new InputStreamReader(is,"utf-8"),8);
			StringBuilder sb = new StringBuilder();
			String line = null;
			while ((line = reader.readLine()) != null) {
				sb.append(line + "\n");
			}
			is.close();
			result = sb.toString();	            
		} catch(Exception e) {
			return null;
		}

		// Convert string to object
		try {
			jsonObject = new JSONObject(result);            
		} catch(JSONException e) {
			return null;
		}
    
		return jsonObject;

	}
	
}