Package ai.preferred.venom

Class UrlRouter

java.lang.Object

ai.preferred.venom.UrlRouter

All Implemented Interfaces:

HandlerRouter, ValidatorRouter

public class UrlRouter
extends Object
implements HandlerRouter, ValidatorRouter

This class provides an implementation to select a handler based on the url from which they were fetched.

Author:

Maksim Tkachenko, Ween Jiann Lee

Constructor Summary

Constructors

Constructor	Description
UrlRouter()	Constructs a url router without default handler.
UrlRouter(Handler defaultHandler)	Constructs a url router with default handler.

Method Summary

Modifier and Type	Method	Description
Handler	getHandler(Request request)	Returns the handler to be used for a specified request.
Validator	getValidator(Request request)	Returns the handler to be used for a specified request.
UrlRouter	register(Pattern urlPattern, Handler handler)	Adds a url pattern, and the handler to be used.
UrlRouter	register(Pattern urlPattern, Handler handler, Validator validator)	Adds a url pattern, and the handler to be used.
UrlRouter	register(Pattern urlPattern, Validator validator)	Adds a url pattern, and the handler to be used.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

UrlRouter

public UrlRouter()

Constructs a url router without default handler.

UrlRouter

public UrlRouter(Handler defaultHandler)

Constructs a url router with default handler.

Parameters:

defaultHandler - default handler

Method Detail

register

public final UrlRouter register(Pattern urlPattern,
                                Handler handler)

Adds a url pattern, and the handler to be used.

Please note that the pattern must be an exact match of the url to work.

Parameters:

urlPattern - regex pattern of the url.

handler - handler to which the fetched page should use.

Returns:

this.

register

public final UrlRouter register(Pattern urlPattern,
                                Validator validator)

Adds a url pattern, and the handler to be used.

Please note that the pattern must be an exact match of the url to work.

Parameters:

urlPattern - regex pattern of the url.

validator - validator to which the fetched page should use.

Returns:

this.

register

public final UrlRouter register(Pattern urlPattern,
                                Handler handler,
                                Validator validator)

Adds a url pattern, and the handler to be used.

Please note that the pattern must be an exact match of the url to work.

Parameters:

urlPattern - regex pattern of the url.

handler - handler to which the fetched page should use.

validator - validator to which the fetched page should use.

Returns:

this.

getHandler

public final Handler getHandler(Request request)

Description copied from interface: HandlerRouter

Returns the handler to be used for a specified request.

This will only be used if a handler is not specified in when added to scheduler.

Specified by:

getHandler in interface HandlerRouter

Parameters:

request - request made

Returns:

the instance of handler to be used

getValidator

public final Validator getValidator(Request request)

Description copied from interface: ValidatorRouter

Returns the handler to be used for a specified request.

This will only be used if a handler is not specified in when added to scheduler

Specified by:

getValidator in interface ValidatorRouter

Parameters:

request - request made

Returns:

the instance of handler to be used