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org.apache.catalina.util

Class 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 1.2 2004/02/27 14:58:50 yoavs 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(String type, Filter filter)
Notify all lifecycle event listeners that a particular event has occurred for this Container.
void
fireInstanceEvent(String type, Filter filter, ServletRequest request, ServletResponse response)
Notify all lifecycle event listeners that a particular event has occurred for this Container.
void
fireInstanceEvent(String type, Filter filter, ServletRequest request, ServletResponse response, Throwable exception)
Notify all lifecycle event listeners that a particular event has occurred for this Container.
void
fireInstanceEvent(String type, Filter filter, Throwable exception)
Notify all lifecycle event listeners that a particular event has occurred for this Container.
void
fireInstanceEvent(String type, Servlet servlet)
Notify all lifecycle event listeners that a particular event has occurred for this Container.
void
fireInstanceEvent(String type, Servlet servlet, ServletRequest request, ServletResponse response)
Notify all lifecycle event listeners that a particular event has occurred for this Container.
void
fireInstanceEvent(String type, Servlet servlet, ServletRequest request, ServletResponse response, Throwable exception)
Notify all lifecycle event listeners that a particular event has occurred for this Container.
void
fireInstanceEvent(String type, Servlet servlet, 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.

Constructor Details

InstanceSupport

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

Parameters:

Method Details

addInstanceListener

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

Parameters:
listener - The listener to add

fireInstanceEvent

public void fireInstanceEvent(String type,
                              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(String type,
                              Filter filter,
                              ServletRequest request,
                              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(String type,
                              Filter filter,
                              ServletRequest request,
                              ServletResponse response,
                              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(String type,
                              Filter filter,
                              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(String type,
                              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(String type,
                              Servlet servlet,
                              ServletRequest request,
                              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(String type,
                              Servlet servlet,
                              ServletRequest request,
                              ServletResponse response,
                              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

fireInstanceEvent

public void fireInstanceEvent(String type,
                              Servlet servlet,
                              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

getWrapper

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

removeInstanceListener

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

Parameters:
listener - The listener to remove

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