com.bea.wlcp.wlng.api.interceptor
Interface InterceptorManager

public interface InterceptorManager

InterceptorManager interface. It is responsible to handle the registration, unregistration and invocation of the interceptors.

Copyright © 2008 Oracle Corporation Systems, Inc. All Rights Reserved.

Method Summary

List	getInterceptors(InterceptionPoint ip) Returns the list of interceptors available at the given position.
void	register(Interceptor interceptor, InterceptionPoint ip, int index) Registers an interceptor at a given index and position.
void	unregister(Interceptor interceptor, InterceptionPoint ip) Unregisters an interceptor.
void	update() Updates the current interceptors with any changes that have been made since the last call to update().

Method Detail

getInterceptors

public List getInterceptors(InterceptionPoint ip)

Returns the list of interceptors available at the given position.

Parameters:

ip - The interception point to get the interceptors

Returns:

The interceptors found at the given position

register

public void register(Interceptor interceptor,
                     InterceptionPoint ip,
                     int index)

Registers an interceptor at a given index and position. The index indicates where the interceptor will be located in the flow of interceptors for a given position. The index can be any positive (MAX_INT) or negative integer (MIN_INT): the interceptors will be executed from the lowest to the biggest index. Note: the method update() must be called for this action to take effect

Parameters:

interceptor - The interceptor to register

ip - The interception point of the request at which the interceptor should be invoked

index - The index where the interceptor will be located in the flow

unregister

public void unregister(Interceptor interceptor,
                       InterceptionPoint ip)

Unregisters an interceptor. Note: the method update() must be called for this action to take effect

Parameters:

interceptor - The interceptor to unregister

ip - The interception point of the request at which the interceptor should be invoked

update

public void update()

Updates the current interceptors with any changes that have been made since the last call to update().