Package org.apache.catalina.manager

Class JMXProxyServlet

java.lang.Object

jakarta.servlet.GenericServlet

jakarta.servlet.http.HttpServlet

org.apache.catalina.manager.JMXProxyServlet

All Implemented Interfaces:

Servlet, ServletConfig, Serializable

public class JMXProxyServlet
extends HttpServlet

This servlet will dump JMX attributes in a simple format and implement proxy services for modeler.

Author:

Costin Manolache

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected MBeanServer	mBeanServer	MBean server.
protected Registry	registry

Fields inherited from class jakarta.servlet.http.HttpServlet

LEGACY_DO_HEAD

Constructor Summary

Constructors

Constructor	Description
JMXProxyServlet()

Method Summary

Modifier and Type	Method	Description
void	doGet(HttpServletRequest request, HttpServletResponse response)	Process a GET request for the specified resource.
void	getAttribute(PrintWriter writer, String onameStr, String att, String key)
void	init()	Initialize this servlet.
boolean	isSupported(String type)	Determines if a type is supported by the JMXProxyServlet.
void	listBeans(PrintWriter writer, String qry)
void	setAttribute(PrintWriter writer, String onameStr, String att, String val)

Methods inherited from class jakarta.servlet.http.HttpServlet

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

Methods inherited from class jakarta.servlet.GenericServlet

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

Methods inherited from class java.lang.Object

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

Field Details

mBeanServer

protected transient MBeanServer mBeanServer

MBean server.

registry

protected transient Registry registry

Constructor Details

JMXProxyServlet

public JMXProxyServlet()

Method Details

init

public void init()
          throws ServletException

Initialize this servlet.

Overrides:

init in class GenericServlet

Throws:

ServletException - if an exception occurs that interrupts the servlet's normal operation

doGet

public void doGet(HttpServletRequest request,
 HttpServletResponse response)
           throws IOException,
ServletException

Process a GET request for the specified resource.

Overrides:

doGet in class HttpServlet

Parameters:

request - The servlet request we are processing

response - The servlet response we are creating

Throws:

IOException - if an input/output error occurs

ServletException - if a servlet-specified error occurs

See Also:

• ServletResponse.setContentType(java.lang.String)

getAttribute

public void getAttribute(PrintWriter writer,
 String onameStr,
 String att,
 String key)

setAttribute

public void setAttribute(PrintWriter writer,
 String onameStr,
 String att,
 String val)

listBeans

public void listBeans(PrintWriter writer,
 String qry)

isSupported

public boolean isSupported(String type)

Determines if a type is supported by the JMXProxyServlet.

Parameters:

type - The type to check

Returns:

Always returns true