Spring RequestMapping with root path (/{custom}) - spring

Question

Let's say my website name is: foo.com
When a user types foo.com, I want to show index.html.
When a user types foo.com/something, I want the server catches the request at the controller.
Here is what I did in the HomeController:
#Controller
public class HomeController {
#RequestMapping(value={"/"}, method=RequestMethod.GET)
public String getHome() {
return "index.html";
}
}
And, the CustomController should catch the request
#Controller
public class CustomController {
#RequestMapping(value={"/{custom}"}, method=RequestMethod.GET)
public String getCustom(#PathVariable String custom) {
// Do something here..
}
}
However, it throws an error: Circular view path [index.html]: would dispatch back to the current handler URL [/index.html] again. It's because the CustomController catches the GET request: foo.com/index.html after the HomeController returns the string: index.html.
I did some research like this:
public class WebMvcConfiguration extends WebMvcConfigurerAdapter {
#Override
public void addResourceHandlers(ResourceHandlerRegistry registry) {
registry.setOrder(Ordered.HIGHEST_PRECEDENCE);
registry.addResourceHandler("/assets/**").addResourceLocations("classpath:/assets"); // My asset
registry.addResourceHandler("index.html").addResourceLocations("file:/index.html");
} // It's not working
#Override
public void addViewControllers(ViewControllerRegistry registry) {
registry.addViewController("/").setViewName("forward:/" + FileNames.INDEX);
} // This also not working
}
And changing the annotation from #Controller to #RestController in the CustomController is not an option.
Also, I don't have JSP files in the project - they are plain *.html files.
I am using Spring 1.3.3 release, so please help me out.

Answer 1

This solution works with ui-router (AngularJS library). Also, you have to change $resourceProvider setting:
// In your app module config
$resourceProvider.defaults.stripTrailingSlashes = false;
Then, in the Spring server codes, you can do this:
#RequestMapping(value = "/{custom:[^\\.]*}")
public String redirect(#PathVariable String custom) {
// Do something here...
return "forward:/";
}
Found the solution at this link: https://spring.io/blog/2015/05/13/modularizing-the-client-angular-js-and-spring-security-part-vii