org.springframework.web.servlet
Class HandlerExecutionChain

java.lang.Object
  org.springframework.web.servlet.HandlerExecutionChain

public class HandlerExecutionChain
extends java.lang.Object

Handler execution chain, consisting of handler object and any handler interceptors. Returned by HandlerMapping's HandlerMapping.getHandler(HttpServletRequest) method.

Since:

20.06.2003

Author:

Juergen Hoeller

See Also:

HandlerInterceptor

Field Summary

private java.lang.Object	handler
private java.util.List<HandlerInterceptor>	interceptorList
private HandlerInterceptor[]	interceptors

Constructor Summary

HandlerExecutionChain(java.lang.Object handler)
Create a new HandlerExecutionChain.

HandlerExecutionChain(java.lang.Object handler, HandlerInterceptor[] interceptors)
Create a new HandlerExecutionChain.

Method Summary

void	addInterceptor(HandlerInterceptor interceptor)
void	addInterceptors(HandlerInterceptor[] interceptors)
java.lang.Object	getHandler() Return the handler object to execute.
HandlerInterceptor[]	getInterceptors() Return the array of interceptors to apply (in the given order).
private void	initInterceptorList()
java.lang.String	toString() Delegates to the handler's toString().

Methods inherited from class java.lang.Object

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

Field Detail

handler

private final java.lang.Object handler

interceptors

private HandlerInterceptor[] interceptors

interceptorList

private java.util.List<HandlerInterceptor> interceptorList

Constructor Detail

HandlerExecutionChain

public HandlerExecutionChain(java.lang.Object handler)

Create a new HandlerExecutionChain.

Parameters:

handler - the handler object to execute

HandlerExecutionChain

public HandlerExecutionChain(java.lang.Object handler,
                             HandlerInterceptor[] interceptors)

Create a new HandlerExecutionChain.

Parameters:

handler - the handler object to execute

interceptors - the array of interceptors to apply (in the given order) before the handler itself executes

Method Detail

getHandler

public java.lang.Object getHandler()

Return the handler object to execute.

Returns:

the handler object

addInterceptor

public void addInterceptor(HandlerInterceptor interceptor)

addInterceptors

public void addInterceptors(HandlerInterceptor[] interceptors)

initInterceptorList

private void initInterceptorList()

getInterceptors

public HandlerInterceptor[] getInterceptors()

Return the array of interceptors to apply (in the given order).

Returns:

the array of HandlerInterceptors instances (may be null)

toString

public java.lang.String toString()

Delegates to the handler's toString().

Overrides:

toString in class java.lang.Object