How to set default handler method in controller in Spring mvc?

Question

I am working on a Spring mvc application in which I have to display a list of locations. I have a controller method for location. Following is my controller method code:

@RequestMapping("/location")
public class LocationController {
    @RequestMapping(value = "/home")
    public String showAllLocations(ModelMap modelMap) {
        logger.info("showAllLocations() begins:");
        try {
            List<LocationModel> locationList = locationService
                    .getAllLocations("");
            modelMap.addAttribute("locationlist", locationList);
        } catch (Exception e) {
            logger.debug("Error while getting locations: " + e.getMessage());
            e.printStackTrace();
        }
        return "LocationHome";
    }
}

It works fine when I user following URL:

http://www.example.com:8080/myapp/location/home

But when I use http://www.example.com:8080/myapp/location, it shows error.

How can I view location list without using 'home', by following URL:

http://www.example.com:8080/myapp/location

value can be an array. @RequestMapping(value = { "/home", "/" } ) — Neil McGuigan
– Neil McGuigan, Commented Feb 10, 2015 at 18:05

Taras Velykyy · Accepted Answer · 2015-02-10 11:46:33Z

2

@RequestMapping(value = "/home")
public String doHome(ModelMap modelMap) {
   ...
}

@RequestMapping(value = "/**")
public String doDefault(ModelMap modelMap) {
   ...
}

Make sure you put more specific request handler before less specific one.

answered Feb 10, 2015 at 11:46

Taras Velykyy

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Rohith K · Accepted Answer · 2015-02-10 12:06:52Z

0

@RequestMapping(value = "/", method = { RequestMethod.GET, RequestMethod.POST }) This can map you to a default handler.

answered Feb 10, 2015 at 12:06

Rohith K

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Comments

Santhosh · Accepted Answer · 2015-02-10 12:07:22Z

0

You have the request mapping for the LocationController here ,

            @RequestMapping("/location")
            public class LocationController {..}

So all the URL to be intercepted by this controller should have the pattern /location followed by the method request mapping as here ,

        @RequestMapping(value = "/home")
        public String showAllLocations(ModelMap modelMap) {..}

If you need to intercept the request for http://www.example.com:8080/myapp/location . Just remove the url mapping from the controller and assign it to the method.

answered Feb 10, 2015 at 12:07

Santhosh

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