io.undertow.predicate

Class PredicatesHandler

java.lang.Object

io.undertow.predicate.PredicatesHandler

All Implemented Interfaces:

HttpHandler

public class PredicatesHandler
extends Object
implements HttpHandler

Handler that can deal with a large number of predicates. chaining together a large number of PredicatesHandler.Holder instances will make the stack grow to large, so this class is used that can deal with a large number of predicates.

Author:

Stuart Douglas

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	PredicatesHandler.DoneHandlerBuilder
static class	PredicatesHandler.RestartHandlerBuilder
static class	PredicatesHandler.Wrapper

Field Summary

Fields

Modifier and Type	Field and Description
static AttachmentKey<Boolean>	DONE static done marker.
static AttachmentKey<Boolean>	RESTART

Constructor Summary

Constructors

Constructor and Description
PredicatesHandler(HttpHandler next)
PredicatesHandler(HttpHandler next, boolean outerHandler)

Method Summary

Modifier and Type	Method and Description
PredicatesHandler	addPredicatedHandler(PredicatedHandler handler)
PredicatesHandler	addPredicatedHandler(Predicate predicate, HandlerWrapper handlerWrapper) Adds a new predicated handler.
PredicatesHandler	addPredicatedHandler(Predicate predicate, HandlerWrapper handlerWrapper, HandlerWrapper elseBranch) Adds a new predicated handler.
HttpHandler	getNext()
void	handleRequest(HttpServerExchange exchange) Handle the request.
void	setNext(HttpHandler next)

Methods inherited from class java.lang.Object

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

Field Detail

DONE

public static final AttachmentKey<Boolean> DONE

static done marker. If this is attached to the exchange it will drop out immediately.

RESTART

public static final AttachmentKey<Boolean> RESTART

Constructor Detail

PredicatesHandler

public PredicatesHandler(HttpHandler next)

PredicatesHandler

public PredicatesHandler(HttpHandler next,
                         boolean outerHandler)

Method Detail

handleRequest

public void handleRequest(HttpServerExchange exchange)
                   throws Exception

Description copied from interface: HttpHandler

Handle the request.

Specified by:

handleRequest in interface HttpHandler

Parameters:

exchange - the HTTP request/response exchange

Throws:

Exception

addPredicatedHandler

public PredicatesHandler addPredicatedHandler(Predicate predicate,
                                              HandlerWrapper handlerWrapper,
                                              HandlerWrapper elseBranch)

Adds a new predicated handler.

Parameters:

predicate -

handlerWrapper -

addPredicatedHandler

public PredicatesHandler addPredicatedHandler(Predicate predicate,
                                              HandlerWrapper handlerWrapper)

Adds a new predicated handler.

Parameters:

predicate -

handlerWrapper -

addPredicatedHandler

public PredicatesHandler addPredicatedHandler(PredicatedHandler handler)

setNext

public void setNext(HttpHandler next)

getNext

public HttpHandler getNext()