Can I set a default value for a path variable at RequestMapping in SpringMVC?

Question

Is it possibile to set a default value to a @PathVariable in SpringMVC?

 @RequestMapping(value = {"/core/organization/{pageNumber}", "/core/organization"} , method = RequestMethod.GET)
    public String list(@PathVariable Integer pageNumber, ModelMap modelMap) {

In this case. If I access the page without pageNumber I want to set a default value to 1.

Is that possible?

I doubt it, as you can't have default values for method params in java — NimChimpsky
– NimChimpsky, Commented Feb 1, 2015 at 18:57
No you cannot have a default for a path variable as without the variable the URL would be different and thus not match. You can always create a mapping for /core/organization which internally calls the list method with the default value you want. — M. Deinum
– M. Deinum, Commented Feb 1, 2015 at 20:16

user3359139 · Accepted Answer · 2017-01-09 10:45:06Z

1

There's no way to to set a default value, but you can create two methods:

@RequestMapping(value = {"/core/organization/{pageNumber}", "/core/organization"} , method = RequestMethod.GET)
    public String list(@PathVariable Integer pageNumber, ModelMap modelMap){
...
}


@RequestMapping(value = {"/core/organization/", "/core/organization"} , method = RequestMethod.GET)
    public String list(@PathVariable Integer pageNumber, ModelMap modelMap){
Integer pageNumber=defaultvalue;
...
}

answered Jan 9, 2017 at 10:45

user3359139

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eraoul · Accepted Answer · 2020-05-01 19:11:34Z

0

I'm not sure if this is what you want, but if you want a default showing up in swagger, you can use @ApiImplicitParams/@ApiImplicitParam to annotate the function, with a defaultValue and paramType="path" specified.

answered May 1, 2020 at 19:11

eraoul

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