学jsp的应该学会做的一道题

As the principal engineer of an HTTP web server, you are responsible for implementing the request processing subsystem of the server. An incoming request for a specific resource, identified by an URI, must be dispatched to the appropriate handler according to the server configuration which maps URIs to request handlers. 'HandlerFactory.getHandler' must be implemented: public class HandlerFactory { public String getHandler(String[] config, String requestUri) { } }