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AdminServlet.javaAPI DocApache Axis 1.46384Sat Apr 22 18:57:28 BST 2006org.apache.axis.transport.http

AdminServlet

public class AdminServlet extends AxisServletBase
Proof-of-concept "management" servlet for Axis. Point a browser here to administer the Axis installation. Right now just starts and stops the server.
author
Glen Daniels (gdaniels@apache.org)
author
Steve Loughran xdoclet tags are not active yet; keep web.xml in sync
web.servlet
name="AdminServlet" display-name="Axis Admin Servlet" load-on-startup="100"
web.servlet-mapping
url-pattern="/servlet/AdminServlet"

Fields Summary
private static Log
log
Constructors Summary
Methods Summary
public voiddoGet(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response)
handle a GET request. Commands are only valid when not in production mode

param
request
param
response
throws
ServletException
throws
IOException



                              
         
           
        response.setContentType("text/html; charset=utf-8");
        StringBuffer buffer=new StringBuffer(512);
        buffer.append("<html><head><title>Axis</title></head><body>\n");
        //REVISIT: what happens if there is no engine?
        AxisServer server = getEngine();

        //process command
        String cmd = request.getParameter("cmd");
        if (cmd != null) {
            //who called?
            String callerIP=request.getRemoteAddr();
            if (isDevelopment()) {
                //only in dev mode do these command work
                if (cmd.equals("start")) {
                    log.info(Messages.getMessage("adminServiceStart", callerIP));
                    server.start();
                }
                else if (cmd.equals("stop")) {
                    log.info(Messages.getMessage("adminServiceStop", callerIP));
                    server.stop();
                } 
                else if (cmd.equals("suspend")) {
                    String name = request.getParameter("service"); 
                    log.info(Messages.getMessage("adminServiceSuspend", name, callerIP));
                    SOAPService service = server.getConfig().getService(new QName("",name));
                    service.stop();
                } 
                else if (cmd.equals("resume")) {
                    String name = request.getParameter("service"); 
                    log.info(Messages.getMessage("adminServiceResume", name, callerIP));
                    SOAPService service = server.getConfig().getService(new QName("",name));
                    service.start();
                } 
            } else {
                //in production we log a hostile probe. Remember: logs can be
                //used for DoS attacks themselves.
                log.info(Messages.getMessage("adminServiceDeny", callerIP));
            }
        }

        // display status
        if (server.isRunning()) {
            buffer.append("<H2>");
            buffer.append(Messages.getMessage("serverRun00"));
            buffer.append("</H2>");
        }
        else {
            buffer.append("<H2>");
            buffer.append(Messages.getMessage("serverStop00"));
            buffer.append("</H2>");
        }
        //add commands
        if(isDevelopment()) {
            buffer.append("<p><a href=\"AdminServlet?cmd=start\">start server</a>\n");
            buffer.append("<p><a href=\"AdminServlet?cmd=stop\">stop server</a>\n");

            Iterator i;
            try {
                i = server.getConfig().getDeployedServices();
            } catch (ConfigurationException configException) {
                //turn any internal configuration exceptions back into axis faults
                //if that is what they are
                if(configException.getContainedException() instanceof AxisFault) {
                    throw (AxisFault) configException.getContainedException();
                } else {
                    throw configException;
                }
            }
            
            buffer.append("<p><h2>Services</h2>");
            buffer.append("<ul>");
            while (i.hasNext()) {
                ServiceDesc sd = (ServiceDesc)i.next();
                StringBuffer sb = new StringBuffer();
                sb.append("<li>");
                String name = sd.getName();
                sb.append(name);
                SOAPService service = server.getConfig().getService(new QName("",name));
                if(service.isRunning()) {
                    sb.append("  <a href=\"AdminServlet?cmd=suspend&service=" + name + "\">suspend</a>\n");
                } else {
                    sb.append("  <a href=\"AdminServlet?cmd=resume&service=" + name + "\">resume</a>\n");
                }
                sb.append("</li>");
                buffer.append(sb.toString());
            }
            buffer.append("</ul>");
        }
        //print load
        buffer.append("<p>");
        buffer.append(Messages.getMessage("adminServiceLoad",
                Integer.toString(getLoadCounter())));
        buffer.append("\n</body></html>\n");
        response.getWriter().print( new String(buffer) );