org.nuiton.web.filter

Class MonitoringFilter

java.lang.Object

org.nuiton.web.filter.MonitoringFilter

All Implemented Interfaces:

javax.servlet.Filter

public class MonitoringFilter
extends Object
implements javax.servlet.Filter

Monitoring filter is a simple non-intrusive servlet filter that collect statistics about page computing time per request URI. All gathered data are published using JMX Bean to make it available through monitoring tools such as jconsole.

Since:

1.8

Field Summary

Fields

Modifier and Type	Field and Description
protected ObjectName	servletStatisticsMBeanName The objectName where the MBean will be registered.
protected ServletStatisticsService	servletStatisticsService The service used to record statistics before and after filter is called.

Constructor Summary

Constructors

Constructor and Description
MonitoringFilter()

Method Summary

Modifier and Type	Method and Description
void	destroy() Detach the MBean, print statistics.
void	doFilter(javax.servlet.ServletRequest servletRequest, javax.servlet.ServletResponse servletResponse, javax.servlet.FilterChain filterChain)
void	init(javax.servlet.FilterConfig filterConfig) Attach the MBean.

Methods inherited from class java.lang.Object

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

Field Detail

servletStatisticsMBeanName

protected ObjectName servletStatisticsMBeanName

The objectName where the MBean will be registered.

servletStatisticsService

protected ServletStatisticsService servletStatisticsService

The service used to record statistics before and after filter is called.

Constructor Detail

MonitoringFilter

public MonitoringFilter()

Method Detail

init

public void init(javax.servlet.FilterConfig filterConfig)
          throws javax.servlet.ServletException

Attach the MBean.

Specified by:

init in interface javax.servlet.Filter

Throws:

javax.servlet.ServletException

doFilter

public void doFilter(javax.servlet.ServletRequest servletRequest,
                     javax.servlet.ServletResponse servletResponse,
                     javax.servlet.FilterChain filterChain)
              throws IOException,
                     javax.servlet.ServletException

Specified by:

doFilter in interface javax.servlet.Filter

Throws:

IOException

javax.servlet.ServletException

destroy

public void destroy()

Detach the MBean, print statistics.

Specified by:

destroy in interface javax.servlet.Filter