org.apache.catalina.util
Class InstanceSupport

java.lang.Object
  extended byorg.apache.catalina.util.InstanceSupport

public final class InstanceSupport
extends java.lang.Object

Support class to assist in firing InstanceEvent notifications to registered InstanceListeners.

Version:
$Id: InstanceSupport.java,v 1.6 2004/08/26 21:42:40 markt Exp $
Author:
Craig R. McClanahan

Constructor Summary
InstanceSupport(Wrapper wrapper)
          Construct a new InstanceSupport object associated with the specified Instance component.
 
Method Summary
 void addInstanceListener(InstanceListener listener)
          Add a lifecycle event listener to this component.
 void fireInstanceEvent(java.lang.String type, javax.servlet.Filter filter)
          Notify all lifecycle event listeners that a particular event has occurred for this Container.
 void fireInstanceEvent(java.lang.String type, javax.servlet.Filter filter, javax.servlet.ServletRequest request, javax.servlet.ServletResponse response)
          Notify all lifecycle event listeners that a particular event has occurred for this Container.
 void fireInstanceEvent(java.lang.String type, javax.servlet.Filter filter, javax.servlet.ServletRequest request, javax.servlet.ServletResponse response, java.lang.Throwable exception)
          Notify all lifecycle event listeners that a particular event has occurred for this Container.
 void fireInstanceEvent(java.lang.String type, javax.servlet.Filter filter, java.lang.Throwable exception)
          Notify all lifecycle event listeners that a particular event has occurred for this Container.
 void fireInstanceEvent(java.lang.String type, javax.servlet.Servlet servlet)
          Notify all lifecycle event listeners that a particular event has occurred for this Container.
 void fireInstanceEvent(java.lang.String type, javax.servlet.Servlet servlet, javax.servlet.ServletRequest request, javax.servlet.ServletResponse response)
          Notify all lifecycle event listeners that a particular event has occurred for this Container.
 void fireInstanceEvent(java.lang.String type, javax.servlet.Servlet servlet, javax.servlet.ServletRequest request, javax.servlet.ServletResponse response, java.lang.Throwable exception)
          Notify all lifecycle event listeners that a particular event has occurred for this Container.
 void fireInstanceEvent(java.lang.String type, javax.servlet.Servlet servlet, java.lang.Throwable exception)
          Notify all lifecycle event listeners that a particular event has occurred for this Container.
 Wrapper getWrapper()
          Return the Wrapper with which we are associated.
 void removeInstanceListener(InstanceListener listener)
          Remove a lifecycle event listener from this component.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

InstanceSupport

public InstanceSupport(Wrapper wrapper)
Construct a new InstanceSupport object associated with the specified Instance component.

Method Detail

getWrapper

public Wrapper getWrapper()
Return the Wrapper with which we are associated.


addInstanceListener

public void addInstanceListener(InstanceListener listener)
Add a lifecycle event listener to this component.

Parameters:
listener - The listener to add

fireInstanceEvent

public void fireInstanceEvent(java.lang.String type,
                              javax.servlet.Filter filter)
Notify all lifecycle event listeners that a particular event has occurred for this Container. The default implementation performs this notification synchronously using the calling thread.

Parameters:
type - Event type
filter - The relevant Filter for this event

fireInstanceEvent

public void fireInstanceEvent(java.lang.String type,
                              javax.servlet.Filter filter,
                              java.lang.Throwable exception)
Notify all lifecycle event listeners that a particular event has occurred for this Container. The default implementation performs this notification synchronously using the calling thread.

Parameters:
type - Event type
filter - The relevant Filter for this event
exception - Exception that occurred

fireInstanceEvent

public void fireInstanceEvent(java.lang.String type,
                              javax.servlet.Filter filter,
                              javax.servlet.ServletRequest request,
                              javax.servlet.ServletResponse response)
Notify all lifecycle event listeners that a particular event has occurred for this Container. The default implementation performs this notification synchronously using the calling thread.

Parameters:
type - Event type
filter - The relevant Filter for this event
request - The servlet request we are processing
response - The servlet response we are processing

fireInstanceEvent

public void fireInstanceEvent(java.lang.String type,
                              javax.servlet.Filter filter,
                              javax.servlet.ServletRequest request,
                              javax.servlet.ServletResponse response,
                              java.lang.Throwable exception)
Notify all lifecycle event listeners that a particular event has occurred for this Container. The default implementation performs this notification synchronously using the calling thread.

Parameters:
type - Event type
filter - The relevant Filter for this event
request - The servlet request we are processing
response - The servlet response we are processing
exception - Exception that occurred

fireInstanceEvent

public void fireInstanceEvent(java.lang.String type,
                              javax.servlet.Servlet servlet)
Notify all lifecycle event listeners that a particular event has occurred for this Container. The default implementation performs this notification synchronously using the calling thread.

Parameters:
type - Event type
servlet - The relevant Servlet for this event

fireInstanceEvent

public void fireInstanceEvent(java.lang.String type,
                              javax.servlet.Servlet servlet,
                              java.lang.Throwable exception)
Notify all lifecycle event listeners that a particular event has occurred for this Container. The default implementation performs this notification synchronously using the calling thread.

Parameters:
type - Event type
servlet - The relevant Servlet for this event
exception - Exception that occurred

fireInstanceEvent

public void fireInstanceEvent(java.lang.String type,
                              javax.servlet.Servlet servlet,
                              javax.servlet.ServletRequest request,
                              javax.servlet.ServletResponse response)
Notify all lifecycle event listeners that a particular event has occurred for this Container. The default implementation performs this notification synchronously using the calling thread.

Parameters:
type - Event type
servlet - The relevant Servlet for this event
request - The servlet request we are processing
response - The servlet response we are processing

fireInstanceEvent

public void fireInstanceEvent(java.lang.String type,
                              javax.servlet.Servlet servlet,
                              javax.servlet.ServletRequest request,
                              javax.servlet.ServletResponse response,
                              java.lang.Throwable exception)
Notify all lifecycle event listeners that a particular event has occurred for this Container. The default implementation performs this notification synchronously using the calling thread.

Parameters:
type - Event type
servlet - The relevant Servlet for this event
request - The servlet request we are processing
response - The servlet response we are processing
exception - Exception that occurred

removeInstanceListener

public void removeInstanceListener(InstanceListener listener)
Remove a lifecycle event listener from this component.

Parameters:
listener - The listener to remove


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