org.cougaar.core.relay
Class PingServlet

java.lang.Object
  extended by javax.servlet.GenericServlet
      extended by javax.servlet.http.HttpServlet
          extended by org.cougaar.core.servlet.ComponentServlet
              extended by org.cougaar.core.relay.PingServlet
All Implemented Interfaces:
java.io.Serializable, javax.servlet.Servlet, javax.servlet.ServletConfig, org.cougaar.core.component.Component, org.cougaar.util.GenericStateModel

public class PingServlet
extends ComponentServlet

This servlet shows our ping relays as an HTML page.

Supports an optional Servlet path parameter, which defaults to "/ping".

For simplicity, it's easiest to load a copy of this servlet into every agent.

See Also:
Serialized Form

Field Summary
 
Fields inherited from class org.cougaar.core.servlet.ComponentServlet
agentId, agentIdService, bindingSite, encAgentName, serviceBroker, servletService
 
Fields inherited from interface org.cougaar.util.GenericStateModel
ACTIVE, IDLE, LOADED, UNINITIALIZED, UNLOADED
 
Constructor Summary
PingServlet()
           
 
Method Summary
 void doGet(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response)
          This method is called whenever the browser loads our URL.
protected  java.lang.String getPath()
          Get the path for the Servlet's registration.
 void load()
          This method is called when the agent is created
 
Methods inherited from class org.cougaar.core.servlet.ComponentServlet
getAgentIdentifier, getEncodedAgentName, getModelState, getServiceBroker, halt, initialize, resume, setAgentIdentificationService, setBindingSite, setParameter, setServiceBroker, start, stop, suspend, unload
 
Methods inherited from class javax.servlet.http.HttpServlet
doDelete, doHead, doOptions, doPost, doPut, doTrace, getLastModified, service, service
 
Methods inherited from class javax.servlet.GenericServlet
destroy, 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

PingServlet

public PingServlet()
Method Detail

getPath

protected java.lang.String getPath()
Description copied from class: ComponentServlet
Get the path for the Servlet's registration.

Typically supplied by the component parameter, but subclasses can hard-code the path by overriding this method.

Overrides:
getPath in class ComponentServlet
Returns:
a default path if a plugin parameter is not specified

load

public void load()
This method is called when the agent is created

Specified by:
load in interface org.cougaar.util.GenericStateModel
Overrides:
load in class ComponentServlet

doGet

public void doGet(javax.servlet.http.HttpServletRequest request,
                  javax.servlet.http.HttpServletResponse response)
           throws java.io.IOException
This method is called whenever the browser loads our URL.

Overrides:
doGet in class javax.servlet.http.HttpServlet
Throws:
java.io.IOException