docs: private Object createHandlerFromParams(Object xmlHandler)
      {
          if (xmlHandler == null)
              return null;
          
          Object handler = null;
          String handlerClass = xmlHandler.getClass().getSimpleName();
          if (handlerClass == null || handlerClass.length() == 0)
          {
              return null;
          }
          try
          {
              // To avoid name collisions, the java class will have the suffix "Implementation".
              Class<?> c = Class.forName("com.microsoft.Malmo.MissionHandlers." + handlerClass + "Implementation");
              handler = c.newInstance();
              if (!((HandlerBase)handler).parseParameters(xmlHandler))
                  this.failedHandlers += handlerClass + " failed to parse parameters.\n";
          }
          catch (ClassNotFoundException e)
          {
              System.out.println("Duff MissionHandler requested: "+handlerClass);
              this.failedHandlers += "Failed to find " + handlerClass + "\n";
          }
          catch (InstantiationException e)
          {
              System.out.println("Could not instantiate specified MissionHandler.");
              this.failedHandlers += "Failed to create " + handlerClass + "\n";
          }
          catch (IllegalAccessException e)
          {
              System.out.println("Could not instantiate specified MissionHandler.");
              this.failedHandlers += "Failed to access " + handlerClass + "\n";
          }
          return handler;
      }