Spring RequestMapping: differentiate PathVariable with different types

Question

Is there a way to tell Spring to map request to different method by the type of path variable, if they are in the same place of the uri?
For example,

@RequestMapping("/path/{foo}")  

@RequestMapping("/path/{id}")

if foo is supposed to be string, id is int, is it possible to map correctly instead of looking into the request URI?

It is not possible to do this without a considerable amount of configuration. Can you give an example of the purpose of doing this? — Sotirios Delimanolis
– Sotirios Delimanolis, Commented Sep 24, 2013 at 17:16
People would like to change the format of some api into something like the first one, while I already have something like the second. — hsluo
– hsluo, Commented Sep 24, 2013 at 17:27
It's not worth the hassle. Change your handler methods instead. — Sotirios Delimanolis
– Sotirios Delimanolis, Commented Sep 24, 2013 at 17:33

Krešimir Nesek · Accepted Answer · 2013-09-24 18:20:24Z

12

According to the spring docs it is possible to use regex for path variables, here's the example from the docs:

@RequestMapping("/spring-web/{symbolicName:[a-z-]+}-{version:\\d\\.\\d\\.\\d}{extension:\\.[a-z]+}")
  public void handle(@PathVariable String version, @PathVariable String extension) {
    // ...
  }
}

(example taken from http://docs.spring.io/spring/docs/3.2.x/spring-framework-reference/html/mvc.html#mvc-ann-requestmapping-patterns )

Judging from that, it should be possible to write something like this for your situation:

@RequestMapping("/path/{foo:[a-z]+}")  

@RequestMapping("/path/{id:[0-9]+}")

answered Sep 24, 2013 at 18:20

Krešimir Nesek

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1 Comment

O.Badr Over a year ago

Use @RequestMapping("/path/{foo:[A-Za-z]+}"), to get also uppercase for String.

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