org.usefultoys.slf4j.report

Class ReportContextListener

java.lang.Object

org.usefultoys.slf4j.report.ReportContextListener

All Implemented Interfaces:

EventListener, javax.servlet.ServletContextListener

public class ReportContextListener
extends Object
implements javax.servlet.ServletContextListener

A ServletContextListener that triggers diagnostic reports when the web application starts.

The reports to be logged are determined by system properties and executed through a simple Executor. This is useful for logging environment/configuration details at application startup time.

To use it, register this listener in web.xml.

 <listener>
     <listener-class>org.usefultoys.slf4j.report.ReportContextListener</listener-class>
 </listener>
 

Author:

Daniel Felix Ferber

Constructor Summary

Constructors

Constructor and Description
ReportContextListener()

Method Summary

Modifier and Type	Method and Description
void	contextDestroyed(javax.servlet.ServletContextEvent event) Invoked when the web application is shutting down.
void	contextInitialized(javax.servlet.ServletContextEvent event) Invoked when the web application is starting up.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ReportContextListener

public ReportContextListener()

Method Detail

contextDestroyed

public void contextDestroyed(javax.servlet.ServletContextEvent event)

Invoked when the web application is shutting down. No action is taken.

Specified by:

contextDestroyed in interface javax.servlet.ServletContextListener

Parameters:

event - the servlet context event

contextInitialized

public void contextInitialized(javax.servlet.ServletContextEvent event)

Invoked when the web application is starting up. Triggers the Reporter to log the default reports using a simple synchronous executor.

Specified by:

contextInitialized in interface javax.servlet.ServletContextListener

Parameters:

event - the servlet context event