Spring REST multiple controllers for one URL but different http methods

Question

I currently have one controller that handles both GET and POST for URL groups:

@Controller
public class RestGroups {

...

    @RequestMapping(method = RequestMethod.GET, value = "/groups")
    @ResponseBody
    public GroupsDto groups() {
        return new GroupsDto(getGroups());
    }

    @RequestMapping(method = RequestMethod.POST, value = "/groups", headers = "Accept=application/xml")
    @ResponseBody
    public GroupsDto postGroup(@RequestBody GroupDto groupDto) {
        groupSaver.save(groupDto.createEntity());
        return groups();
    }

Now I would like to have TWO controllers, both assigned for same URL but each for different method, something like below:

@Controller
public class GetGroups {

...

    @RequestMapping(method = RequestMethod.GET, value = "/groups")
    @ResponseBody
    public GroupsDto groups() {
        return new GroupsDto(getGroups());
    }

...

}


@Controller
public class PostGroup {

...


    @RequestMapping(method = RequestMethod.POST, value = "/groups", headers = "Accept=application/xml")
    @ResponseBody
    public GroupsDto postGroup(@RequestBody GroupDto groupDto) {
        groupSaver.save(groupDto.createEntity());
        return groups();
    }

...
}

Is it possible? Because now I get Spring exception that one URL cannot be handled by two different controllers. Is there a workaround for this issue? I really would like to separate those two completely different actions into two separate classes.

Michal Bachman · Accepted Answer · 2011-08-15 13:01:33Z

1

This limitation has been solved in Spring 3.1 with its new HandlerMethod abstraction. You'll have to upgrade to 3.1.M2. Let me know if you need an example.

answered Aug 15, 2011 at 13:01

Michal Bachman

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2 Comments

Mistic Over a year ago

3 years later I have the same need, I can't find any example on how to implement this. Could you give an example ?

Ankur Mahajan Over a year ago

Hi @Michal Please share the example for this.

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