Package org.eclipse.jetty.servlet

Class StatisticsServlet

java.lang.Object

javax.servlet.GenericServlet

javax.servlet.http.HttpServlet

org.eclipse.jetty.servlet.StatisticsServlet

All Implemented Interfaces:

java.io.Serializable, javax.servlet.Servlet, javax.servlet.ServletConfig

public class StatisticsServlet
extends javax.servlet.http.HttpServlet

Collect and report statistics about requests / responses / connections and more.

You can use normal HTTP content negotiation to ask for the statistics. Specify a request Accept header for one of the following formats:

• application/json
• text/xml
• text/html
• text/plain - default if no Accept header specified

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static class	StatisticsServlet.HtmlProducer
private static class	StatisticsServlet.JsonProducer
private static interface	StatisticsServlet.OutputProducer
private static class	StatisticsServlet.TextProducer
private static class	StatisticsServlet.XmlProducer

Field Summary

Fields

Modifier and Type	Field	Description
private java.util.List<Connector>	_connectors
private java.lang.management.MemoryMXBean	_memoryBean
(package private) boolean	_restrictToLocalhost
private StatisticsHandler	_statsHandler
private static Logger	LOG

Constructor Summary

Constructors

Constructor	Description
StatisticsServlet()

Method Summary

Modifier and Type	Method	Description
protected void	doGet(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response)
void	doPost(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response)
private java.lang.CharSequence	generateResponse(StatisticsServlet.OutputProducer outputProducer)
private java.util.List<java.lang.String>	getOrderedAcceptableMimeTypes(javax.servlet.http.HttpServletRequest request)
void	init()
private boolean	isLoopbackAddress(java.lang.String address)
private void	writeHtmlResponse(javax.servlet.http.HttpServletResponse response)
private void	writeJsonResponse(javax.servlet.http.HttpServletResponse response)
private void	writeTextResponse(javax.servlet.http.HttpServletResponse response)
private void	writeXmlResponse(javax.servlet.http.HttpServletResponse response)

Methods inherited from class javax.servlet.http.HttpServlet

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

Methods inherited from class javax.servlet.GenericServlet

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

Methods inherited from class java.lang.Object

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

Field Detail

LOG

private static final Logger LOG

_restrictToLocalhost

boolean _restrictToLocalhost

_statsHandler

private StatisticsHandler _statsHandler

_memoryBean

private java.lang.management.MemoryMXBean _memoryBean

_connectors

private java.util.List<Connector> _connectors

Constructor Detail

StatisticsServlet

public StatisticsServlet()

Method Detail

init

public void init()
          throws javax.servlet.ServletException

Overrides:

init in class javax.servlet.GenericServlet

Throws:

javax.servlet.ServletException

doPost

public void doPost(javax.servlet.http.HttpServletRequest request,
                   javax.servlet.http.HttpServletResponse response)
            throws javax.servlet.ServletException,
                   java.io.IOException

Overrides:

doPost in class javax.servlet.http.HttpServlet

Throws:

javax.servlet.ServletException

java.io.IOException

doGet

protected void doGet(javax.servlet.http.HttpServletRequest request,
                     javax.servlet.http.HttpServletResponse response)
              throws javax.servlet.ServletException,
                     java.io.IOException

Overrides:

doGet in class javax.servlet.http.HttpServlet

Throws:

javax.servlet.ServletException

java.io.IOException

writeTextResponse

private void writeTextResponse(javax.servlet.http.HttpServletResponse response)
                        throws java.io.IOException

Throws:

java.io.IOException

writeHtmlResponse

private void writeHtmlResponse(javax.servlet.http.HttpServletResponse response)
                        throws java.io.IOException

Throws:

java.io.IOException

writeXmlResponse

private void writeXmlResponse(javax.servlet.http.HttpServletResponse response)
                       throws java.io.IOException

Throws:

java.io.IOException

writeJsonResponse

private void writeJsonResponse(javax.servlet.http.HttpServletResponse response)
                        throws java.io.IOException

Throws:

java.io.IOException

getOrderedAcceptableMimeTypes

private java.util.List<java.lang.String> getOrderedAcceptableMimeTypes(javax.servlet.http.HttpServletRequest request)

isLoopbackAddress

private boolean isLoopbackAddress(java.lang.String address)

generateResponse

private java.lang.CharSequence generateResponse(StatisticsServlet.OutputProducer outputProducer)