File	Doc	Category	Size	Date	Package
InvokerServlet.java	API Doc	JBoss 4.2.1	6398	Fri Jul 13 21:02:16 BST 2007	org.jboss.console.remote

InvokerServlet

• java.lang.Object
  • javax.servlet.GenericServlet
    • javax.servlet.http.HttpServlet

Fields Summary
private static Logger	log
private static String	REQUEST_CONTENT_TYPE A serialized MarshalledInvocation
private static String	RESPONSE_CONTENT_TYPE A serialized MarshalledValue
private MBeanServer	mbeanServer

Constructors Summary

Methods Summary
public void	destroy() Destroys the servlet.
protected void	doGet(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) Handles the HTTP GET method. param request servlet request param response servlet response processRequest (request, response);
protected void	doPost(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) Handles the HTTP POST method. param request servlet request param response servlet response processRequest (request, response);
public java.lang.String	getServletInfo() Returns a short description of the servlet. return "An HTTP to JMX MBeanServer servlet";
public void	init(javax.servlet.ServletConfig config) Initializes the servlet. super.init (config); // Lookup the MBeanServer mbeanServer = org.jboss.mx.util.MBeanServerLocator.locateJBoss(); if( mbeanServer == null ) throw new ServletException ("Failed to locate the MBeanServer");
protected void	processRequest(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) Read a MarshalledInvocation and dispatch it to the target JMX object invoke(Invocation) object. param request servlet request param response servlet response boolean trace = log.isTraceEnabled (); if( trace ) { log.trace ("processRequest, ContentLength: "+request.getContentLength ()); log.trace ("processRequest, ContentType: "+request.getContentType ()); } try { response.setContentType (RESPONSE_CONTENT_TYPE); // See if the request already has the MarshalledInvocation Object mi = request.getAttribute ("RemoteMBeanInvocation"); if( mi == null ) { // Get the invocation from the post javax.servlet.ServletInputStream sis = request.getInputStream (); java.io.ObjectInputStream ois = new java.io.ObjectInputStream (sis); mi = ois.readObject (); ois.close (); } // Forward the invocation onto the JMX bus Object value = null; if (mi instanceof RemoteMBeanInvocation) { RemoteMBeanInvocation invocation = (RemoteMBeanInvocation)mi; value = mbeanServer.invoke (invocation.targetObjectName, invocation.actionName, invocation.params, invocation.signature); } else { RemoteMBeanAttributeInvocation invocation = (RemoteMBeanAttributeInvocation)mi; value = mbeanServer.getAttribute(invocation.targetObjectName, invocation.attributeName); } org.jboss.invocation.MarshalledValue mv = new org.jboss.invocation.MarshalledValue (value); javax.servlet.ServletOutputStream sos = response.getOutputStream (); java.io.ObjectOutputStream oos = new java.io.ObjectOutputStream (sos); oos.writeObject (mv); oos.close (); } catch(Throwable t) { t = org.jboss.mx.util.JMXExceptionDecoder.decode (t); org.jboss.invocation.InvocationException appException = new org.jboss.invocation.InvocationException (t); log.debug ("Invoke threw exception", t); // Marshall the exception response.resetBuffer (); org.jboss.invocation.MarshalledValue mv = new org.jboss.invocation.MarshalledValue (appException); javax.servlet.ServletOutputStream sos = response.getOutputStream (); java.io.ObjectOutputStream oos = new java.io.ObjectOutputStream (sos); oos.writeObject (mv); oos.close (); }