HttpHandlerFactory (spring-boot 2.5.3)

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
```
@FunctionalInterface
public interface HttpHandlerFactory
```
Factory used by UndertowServletWebServer to add HttpHandlers. Instances returned from this factory may optionally implement the following interfaces:
- Closeable - if they wish to be closed just before server stops.
- GracefulShutdownHandler - if they wish to manage graceful shutdown.
Since:

2.3.0

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method and Description
`io.undertow.server.HttpHandler`	`getHandler(io.undertow.server.HttpHandler next)` Create the `HttpHandler` instance that should be added.

- Method Detail
  - getHandler
```
io.undertow.server.HttpHandler getHandler(io.undertow.server.HttpHandler next)
```
    Create the HttpHandler instance that should be added.
    
    Parameters:
    
    next - the next handler in the chain
    
    Returns:
    
    the new HTTP handler instance