com.jamonapi

Class JAMonFilter

java.lang.Object

javax.servlet.GenericServlet

javax.servlet.http.HttpServlet

com.jamonapi.JAMonFilter

All Implemented Interfaces:

Serializable, javax.servlet.Filter, javax.servlet.Servlet, javax.servlet.ServletConfig

public class JAMonFilter
extends javax.servlet.http.HttpServlet
implements javax.servlet.Filter

The following should be put in the Web Application's web.xml file to enable servlet monitoring. This servlet filter will enable any file access to html, jpg, jsp, servlet or any other file resource that is part of the web application. You can change the filter-mapping element below in the web.xml file in include/not include different files from monitoring. Use JAMonAdmin.jsp to display any collected data.

  <?xml version="1.0" encoding="UTF-8"?>
 
  <!DOCTYPE web-app
   PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
   "http://java.sun.com/dtd/web-app_2_3.dtd">

  <web-app>
   <display-name>fdsapi</display-name>
    <filter>
     <filter-name>JAMonFilter</filter-name>
     <filter-class>com.jamonapi.JAMonFilter</filter-class>
    </filter>
 
    <filter-mapping>
      <filter-name>JAMonFilter</filter-name>
      <url-pattern>/*</url-pattern>
    </filter-mapping>
 
    <!--
     <servlet>
       <servlet-name>demo</servlet-name>
       <jsp-file>/demo.jsp</jsp-file>
     </servlet>
    -->

  </web-app>
 

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
JAMonFilter()

Method Summary

Modifier and Type	Method and Description
void	destroy()
void	doFilter(javax.servlet.ServletRequest request, javax.servlet.ServletResponse response, javax.servlet.FilterChain filterChain) Called as part of the standard servlet contract before a page is requested.
protected String	getURI(javax.servlet.ServletRequest request)
void	init(javax.servlet.FilterConfig filterConfig)

Methods inherited from class javax.servlet.http.HttpServlet

doDelete, doGet, doHead, doOptions, doPost, doPut, doTrace, getLastModified, service, service

Methods inherited from class javax.servlet.GenericServlet

getInitParameter, getInitParameterNames, getServletConfig, getServletContext, getServletInfo, getServletName, init, init, log, log

Methods inherited from class java.lang.Object

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

Constructor Detail

JAMonFilter

public JAMonFilter()

Method Detail

doFilter

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

Called as part of the standard servlet contract before a page is requested. It is a hook point for JAMon to track metrics

Specified by:

doFilter in interface javax.servlet.Filter

Throws:

IOException

javax.servlet.ServletException

getURI

protected String getURI(javax.servlet.ServletRequest request)

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

Specified by:

destroy in interface javax.servlet.Servlet

Overrides:

destroy in class javax.servlet.GenericServlet