IBM WebSphere Application ServerTM
Release 7

com.ibm.websphere.servlet.event
Interface ServletContextEventSource


public interface ServletContextEventSource

This event context is used to register listeners for various servlet context events. These events will be triggered by the servlet engine as appropriate during servlet processing. An implementation of this event context is available to all servlets as a ServletContext attribute by using the ServletContext.getAttribute() method.

Sample Usage (from within a servlet):

 ServletContextEventSource sces = (ServletContextEventSource)getServletContext().getAttribute(
                                 ServletContextEventSource.ATTRIBUTE_NAME);
 sces.addServletErrorListener(myErrorListener);
 


Field Summary
static java.lang.String ATTRIBUTE_NAME
          The ServletContext attribute name that the servlet context event source can be retrieved using.
 
Method Summary
 void addApplicationListener(ApplicationListener al)
          Register a listener for application events.
 void addFilterErrorListener(FilterErrorListener fil)
          Register a listener for filter error events.
 void addFilterInvocationListener(FilterInvocationListener fil)
          Register a listener for filter invocation events.
 void addFilterListener(FilterListener fil)
          Register a listener for filter events.
 void addServletErrorListener(ServletErrorListener sel)
          Register a listener for servlet error events.
 void addServletInvocationListener(ServletInvocationListener sil)
          Register a listener for servlet invocation events.
 void addServletListener(ServletListener sl)
          Register a listener for servlet events.
 void removeApplicationListener(ApplicationListener al)
          Deregister a listener for application events.
 void removeFilterErrorListener(FilterErrorListener fil)
          Deregister a listener for filter error events.
 void removeFilterInvocationListener(FilterInvocationListener fil)
          Deregister a listener for filter invocation events.
 void removeFilterListener(FilterListener fil)
          Deregister a listener for filter events.
 void removeServletErrorListener(ServletErrorListener sel)
          Deregister a listener for servlet error events.
 void removeServletInvocationListener(ServletInvocationListener sil)
          Deregister a listener for servlet invocation events.
 void removeServletListener(ServletListener sl)
          Deregister a listener for servlet events.
 

Field Detail

ATTRIBUTE_NAME

static final java.lang.String ATTRIBUTE_NAME
The ServletContext attribute name that the servlet context event source can be retrieved using.

See Also:
Constant Field Values
Method Detail

addApplicationListener

void addApplicationListener(ApplicationListener al)
Register a listener for application events.


removeApplicationListener

void removeApplicationListener(ApplicationListener al)
Deregister a listener for application events.


addServletInvocationListener

void addServletInvocationListener(ServletInvocationListener sil)
Register a listener for servlet invocation events.


removeServletInvocationListener

void removeServletInvocationListener(ServletInvocationListener sil)
Deregister a listener for servlet invocation events.


addServletErrorListener

void addServletErrorListener(ServletErrorListener sel)
Register a listener for servlet error events.


removeServletErrorListener

void removeServletErrorListener(ServletErrorListener sel)
Deregister a listener for servlet error events.


addServletListener

void addServletListener(ServletListener sl)
Register a listener for servlet events.


removeServletListener

void removeServletListener(ServletListener sl)
Deregister a listener for servlet events.


addFilterInvocationListener

void addFilterInvocationListener(FilterInvocationListener fil)
Register a listener for filter invocation events.


removeFilterInvocationListener

void removeFilterInvocationListener(FilterInvocationListener fil)
Deregister a listener for filter invocation events.


addFilterErrorListener

void addFilterErrorListener(FilterErrorListener fil)
Register a listener for filter error events.


removeFilterErrorListener

void removeFilterErrorListener(FilterErrorListener fil)
Deregister a listener for filter error events.


addFilterListener

void addFilterListener(FilterListener fil)
Register a listener for filter events.


removeFilterListener

void removeFilterListener(FilterListener fil)
Deregister a listener for filter events.


IBM WebSphere Application ServerTM
Release 7