com.endeca.infront.assembler.perf
Class PerfEventFilter

java.lang.Object
  com.endeca.infront.assembler.perf.PerfEventFilter

All Implemented Interfaces:

javax.servlet.Filter

public class PerfEventFilter
extends Object
implements javax.servlet.Filter

An implementation of Filter that starts performance monitoring when a request comes in.

Constructor Summary

PerfEventFilter()

Method Summary

void	destroy() Empty implementation of Filter.destroy().
void	doFilter(javax.servlet.ServletRequest request, javax.servlet.ServletResponse response, javax.servlet.FilterChain chain) Starts performance monitoring on invocation, and stops it once the filter chain returns.
void	init(javax.servlet.FilterConfig filterConfig) Empty implementation of Filter.init(javax.servlet.FilterConfig).

Methods inherited from class java.lang.Object

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

Constructor Detail

PerfEventFilter

public PerfEventFilter()

Method Detail

init

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

Empty implementation of Filter.init(javax.servlet.FilterConfig).

Specified by:

init in interface javax.servlet.Filter

Throws:

javax.servlet.ServletException

doFilter

public void doFilter(javax.servlet.ServletRequest request,
                     javax.servlet.ServletResponse response,
                     javax.servlet.FilterChain chain)
              throws IOException,
                     javax.servlet.ServletException

Starts performance monitoring on invocation, and stops it once the filter chain returns.

Specified by:

doFilter in interface javax.servlet.Filter

Throws:

IOException

javax.servlet.ServletException

destroy

public void destroy()

Empty implementation of Filter.destroy().

Specified by:

destroy in interface javax.servlet.Filter