code: private Call createCall(String method, Object[] params) {
  
  		if(isFlagSet(FLAGS_STRICT) && !method.matches("^[A-Za-z0-9\\._:/]*$")) {
  			throw new XMLRPCRuntimeException("Method name must only contain A-Z a-z . : _ / ");
  		}
  
  		return new Call(serializerHandler, method, params);
  	}
docs: Create a call object from a given method string and parameters.
  
  @param method The method that should be called.
  @param params An array of parameters or null if no parameters needed.
  @return A call object.