org.springframework.web.servlet

Class HandlerExecutionChain

java.lang.Object

org.springframework.web.servlet.HandlerExecutionChain

public class HandlerExecutionChain
extends Object

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

Since:

20.06.2003

Author:

Juergen Hoeller

See Also:

HandlerInterceptor

Constructor Summary

Constructors

Constructor and Description
HandlerExecutionChain(Object handler) Create a new HandlerExecutionChain.
HandlerExecutionChain(Object handler, HandlerInterceptor... interceptors) Create a new HandlerExecutionChain.
HandlerExecutionChain(Object handler, List<HandlerInterceptor> interceptorList) Create a new HandlerExecutionChain.

Method Summary

Modifier and Type	Method and Description
void	addInterceptor(HandlerInterceptor interceptor) Add the given interceptor to the end of this chain.
void	addInterceptor(int index, HandlerInterceptor interceptor) Add the given interceptor at the specified index of this chain.
void	addInterceptors(HandlerInterceptor... interceptors) Add the given interceptors to the end of this chain.
Object	getHandler() Return the handler object to execute.
List<HandlerInterceptor>	getInterceptorList() Return the list of interceptors to apply (in the given order).
HandlerInterceptor[]	getInterceptors() Return the array of interceptors to apply (in the given order).
String	toString() Delegates to the handler's toString() implementation.

Methods inherited from class java.lang.Object

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

Constructor Detail

HandlerExecutionChain

public HandlerExecutionChain(Object handler)

Create a new HandlerExecutionChain.

Parameters:

handler - the handler object to execute

HandlerExecutionChain

public HandlerExecutionChain(Object handler,
                             @Nullable
                             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

HandlerExecutionChain

public HandlerExecutionChain(Object handler,
                             List<HandlerInterceptor> interceptorList)

Create a new HandlerExecutionChain.

Parameters:

handler - the handler object to execute

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

Since:

5.3

Method Detail

getHandler

public Object getHandler()

Return the handler object to execute.

addInterceptor

public void addInterceptor(HandlerInterceptor interceptor)

Add the given interceptor to the end of this chain.

addInterceptor

public void addInterceptor(int index,
                           HandlerInterceptor interceptor)

Add the given interceptor at the specified index of this chain.

Since:

5.2

addInterceptors

public void addInterceptors(HandlerInterceptor... interceptors)

Add the given interceptors to the end of this chain.

getInterceptors

@Nullable
public HandlerInterceptor[] getInterceptors()

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

Returns:

the array of HandlerInterceptors instances (may be null)

getInterceptorList

public List<HandlerInterceptor> getInterceptorList()

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

Returns:

the list of HandlerInterceptors instances (potentially empty)

Since:

5.3

toString

public String toString()

Delegates to the handler's toString() implementation.

Overrides:

toString in class Object