defining custom model class in spring

I currently have a mapping method in spring with the following signature:

@RequestMapping("/checkout.action")
protected String checkout(ModelMap map) { ... return "logicalViewName"; }

I would like to define my custom map class that extends ModelMap and have that passed to my method instead. Is there a simple way to do this? I was going to replace the code that creates the initial map object but wasn't able to find out where that is.

Answers


There is no simple way to achieve this. You will need to alter Spring's internals to replace the implementation of ModelMap.

If you use Spring 3.1 or later, the class injecting the ModelMap is org.springframework.web.method.annotation.MapMethodProcessor.


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