com.yammer.metrics.web

Class WebappMetricsFilter

java.lang.Object

com.yammer.metrics.web.WebappMetricsFilter

All Implemented Interfaces:

javax.servlet.Filter

Direct Known Subclasses:

DefaultWebappMetricsFilter

public abstract class WebappMetricsFilter
extends Object
implements javax.servlet.Filter

Filter implementation which captures request information and a breakdown of the response codes being returned.

Constructor Summary

Constructors

Constructor and Description
WebappMetricsFilter(Map<Integer,String> meterNamesByStatusCode, String otherMetricName) Creates a new instance of the filter.

Method Summary

Modifier and Type	Method and Description
void	destroy()
void	doFilter(javax.servlet.ServletRequest request, javax.servlet.ServletResponse response, javax.servlet.FilterChain chain)
void	init(javax.servlet.FilterConfig filterConfig)

Methods inherited from class java.lang.Object

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

Constructor Detail

WebappMetricsFilter

public WebappMetricsFilter(Map<Integer,String> meterNamesByStatusCode,
                           String otherMetricName)

Creates a new instance of the filter.

Parameters:

meterNamesByStatusCode - A map, keyed by status code, of meter names that we are interested in.

otherMetricName - The name used for the catch-all meter.

Method Detail

init

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

Specified by:

init in interface javax.servlet.Filter

Throws:

javax.servlet.ServletException

destroy

public void destroy()

Specified by:

destroy in interface javax.servlet.Filter

doFilter

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

Specified by:

doFilter in interface javax.servlet.Filter

Throws:

IOException

javax.servlet.ServletException