code: public static FunctorWithParameter instanciateFunctorWithParameterAsAClassMethodWrapper(Class<?> instanceClass,
  			String methodName) throws Exception
  	{
  		if (null == instanceClass)
  		{
  			throw new NullPointerException("instanceClass is null");
  		}
  		Method _method = instanceClass.getMethod(methodName, (Class<?>[]) null);
  		return instanciateFunctorWithParameterAsAMethodWrapper(null, _method);
  	}
docs: Create a functor with parameter, wrapping a call to another method.
  
  @param instanceClass
  class containing the method.
  @param methodName
  Name of the method, it must exist.
  @return a Functor with parameter that call the specified method on the specified instance.
  @throws Exception if there is a problem to deal with.