org.zkoss.zk.ui.impl
Class EventInterceptors

java.lang.Object
  extended by org.zkoss.zk.ui.impl.EventInterceptors
All Implemented Interfaces:
java.io.Serializable, java.lang.Cloneable

public class EventInterceptors
extends java.lang.Object
implements java.lang.Cloneable, java.io.Serializable

Utilities used to handle EventInterceptor.

Thread safe.

Since:
3.0.0
Author:
tomyeh
See Also:
Serialized Form

Constructor Summary
EventInterceptors()
           
 
Method Summary
 void addEventInterceptor(EventInterceptor ei)
          Adds an event interceptor.
 void afterProcessEvent(Event event)
          Invokes EventInterceptor.afterProcessEvent(org.zkoss.zk.ui.event.Event)
 Event beforePostEvent(Event event)
          Invokes EventInterceptor.beforePostEvent(org.zkoss.zk.ui.event.Event)
 Event beforeProcessEvent(Event event)
          Invokes EventInterceptor.beforeProcessEvent(org.zkoss.zk.ui.event.Event)
 Event beforeSendEvent(Event event)
          Invokes EventInterceptor.beforeSendEvent(org.zkoss.zk.ui.event.Event)
 java.lang.Object clone()
           
 boolean removeEventInterceptor(java.lang.Class klass)
          Removes an event interceptor with the specified class.
 boolean removeEventInterceptor(EventInterceptor ei)
          Removes an event interceptor.
 
Methods inherited from class java.lang.Object
equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

EventInterceptors

public EventInterceptors()
Method Detail

addEventInterceptor

public void addEventInterceptor(EventInterceptor ei)
Adds an event interceptor.


removeEventInterceptor

public boolean removeEventInterceptor(EventInterceptor ei)
Removes an event interceptor.

Note: we use the equals method to test whether two interceptors are the same.

Returns:
whether the listener is removed successfully.

removeEventInterceptor

public boolean removeEventInterceptor(java.lang.Class klass)
Removes an event interceptor with the specified class.

Note: we tests whether an interceptor is an instance of the specified class. At most one instance is removed.

Returns:
whether the listener is removed successfully.

beforeSendEvent

public Event beforeSendEvent(Event event)
Invokes EventInterceptor.beforeSendEvent(org.zkoss.zk.ui.event.Event)


beforePostEvent

public Event beforePostEvent(Event event)
Invokes EventInterceptor.beforePostEvent(org.zkoss.zk.ui.event.Event)


beforeProcessEvent

public Event beforeProcessEvent(Event event)
Invokes EventInterceptor.beforeProcessEvent(org.zkoss.zk.ui.event.Event)


afterProcessEvent

public void afterProcessEvent(Event event)
Invokes EventInterceptor.afterProcessEvent(org.zkoss.zk.ui.event.Event)


clone

public java.lang.Object clone()
Overrides:
clone in class java.lang.Object


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