Question: Is there a way to see all @RequestMapping annotations as map of all requests/URLs, ideally with quick links to whichever Controller/method handles the URL?

In Spring 2 (before annotations) XML config (SimpleUrlHandlerMapping) could be used as such reference, now with annotated controllers is there any other way besides searching the codebase?

Answer: 
yes we can do the same as we can see that in STS spring explore , coming to intellij 
Go to Project Structure >> Modules >> select your project and add Spring to your project .

This will give you a spring tab at the bottom to see all the controllers.
2021 update: you can download a popular plugin in Intelij called Request mapper.

Currently it supports both Spring and JAX-RS path mappings.

[request mapper plugin](https://plugins.jetbrains.com/plugin/9567-request-mapper)