Generic .toJson(Object) method

    public static JSONObject toJson(Object obj, boolean pConvertArraylists){
        String data     = "";
        Class<?> c      = obj.getClass();
        Field[] fields  = c.getDeclaredFields();
        data += "\n====== " + c.getName() + " ========= \n";
        JSONObject json = new JSONObject();


        for(Field f : fields){
            f.setAccessible(true);
            try {
                if(f.getType().equals(String.class))
                    json.put(f.getName(), (String)f.get(obj));
                else if(f.getType().equals(int.class) || f.getType().equals(Integer.class))
                    json.put(f.getName(), f.getInt(obj));
                else if(f.getType().equals(long.class) || f.getType().equals(Long.class))
                    json.put(f.getName(), f.getLong(obj));
                else if(f.getType().equals(Double.class) || f.getType().equals(double.class))
                    json.put(f.getName(), f.getDouble(obj));
                else if(f.getType().equals(Boolean.class) || f.getType().equals(boolean.class))
                    json.put(f.getName(), f.getBoolean(obj));
                else {
                    Type type = f.getGenericType();
                    if(type instanceof ParameterizedType){
                         ParameterizedType pt = (ParameterizedType) type;
                         System.out.println("raw type: " + pt.getRawType());
                         if(pt.getRawType().equals(java.util.ArrayList.class) && pConvertArraylists == true){
                             Console.debug(TAG, "We have an arraylist");
                             for (Type t : pt.getActualTypeArguments()) {
                                 Console.debug(TAG, "    " + t + " session: " + Session.class);
                                 if(t.equals(Session.class)){
                                     ArrayList<Session>list = (ArrayList<Session>)f.get(obj);

                                     if(list != null){
                                         JSONArray jsonArray = new JSONArray();
                                         for(int i = 0; i < list.size(); i++){
                                             jsonArray.put(Convertor.toJson(list.get(i), false));
                                         }
                                         json.put(f.getName(), jsonArray);
                                     }
                                     else
                                         Console.debug(TAG, "list is null in Converter.toJson");

                                 }
                             }
                         }
                    }
                }
            }
            catch (IllegalArgumentException e) {
                e.printStackTrace();
                json = null;
            }
            catch (IllegalAccessException e) {
                e.printStackTrace();
                json = null;
            } catch (JSONException e) {
                e.printStackTrace();
                json = null;
            }
        }

        if(json != null)
            Console.debug(TAG, json.toString());
        return json;
    }