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package com.sun.enterprise.web;
import java.util.Iterator;
import java.net.MalformedURLException;
import java.net.URL;
import com.sun.enterprise.deployment.Application;
import com.sun.enterprise.deployment.BundleDescriptor;
import com.sun.enterprise.deployment.WebServiceEndpoint;
import com.sun.enterprise.webservice.monitoring.Endpoint;
import com.sun.enterprise.webservice.monitoring.TransportType;
import com.sun.enterprise.webservice.monitoring.EndpointType;
import com.sun.enterprise.webservice.monitoring.EndpointLifecycleListener;
import com.sun.enterprise.webservice.monitoring.WebServiceEngineImpl;
/**
* Listener for EJB webservice endpoint registrations and unregistrations.
*
* Upon receiving an EJB webservice endpoint registration event, this
* listener will register the EJB webservice endpoint's path as an ad-hoc
* path with the web container, along with information about the
* ad-hoc servlet responsible for servicing any requests on this path.
*
* Upon receiving an EJB webservice endpoint unregistration event, this
* listener will unregister the EJB webservice endpoint's path as an
* ad-hoc path from the web container.
*
* @author Jan Luehe
*/
public class EjbWebServiceRegistryListener
implements EndpointLifecycleListener {
private static final EjbWebServiceServletInfo
EJB_WEB_SERVICE_SERVLET_INFO = new EjbWebServiceServletInfo();
private WebContainer webContainer;
/**
* Constructor.
*
* @param webContainer The web container with which this
* EjbWebServiceRegistryListener is associated
*/
public EjbWebServiceRegistryListener(WebContainer webContainer) {
this.webContainer = webContainer;
}
/**
* Registers this EjbWebServiceRegistryListener with the EJB webservice
* registry.
*/
public void register() {
WebServiceEngineImpl wsEngine = WebServiceEngineImpl.getInstance();
wsEngine.addLifecycleListener(this);
/*
* Process any webservice endpoints that had been added before we've
* started listening for registration events.
*/
Iterator<Endpoint> endpoints = wsEngine.getEndpoints();
if (endpoints != null) {
while (endpoints.hasNext()) {
endpointAdded(endpoints.next());
}
}
}
/**
* Unregisters this EjbWebServiceRegistryListener from the EJB webservice
* registry.
*/
public void unregister() {
WebServiceEngineImpl.getInstance().removeLifecycleListener(this);
}
/**
* Receives and processes notification of a new webservice endpoint
* installation in the appserver.
*
* This method extracts the context root from the endpoint's URL, at
* which it registers an EjbWebServiceWebModule which handles all HTTP
* requests for the endpoint.
*
* @param endpoint The EJB webservice endpoint that was added
*/
public void endpointAdded(Endpoint endpoint) {
if (!TransportType.HTTP.equals(endpoint.getTransport())) {
return;
}
if (!EndpointType.EJB_ENDPOINT.equals(endpoint.getEndpointType())) {
return;
}
String epURI = endpoint.getEndpointSelector();
String epCtxRoot = null;
String epPath = null;
int index = epURI.indexOf('/', 1);
if (index < 0) {
epCtxRoot = epURI;
epPath = "";
} else {
epCtxRoot = epURI.substring(0, index);
epPath = epURI.substring(index);
}
String epSubtree = epPath + "/__container$publishing$subctx/";
String epAppName = null;
WebServiceEndpoint wse = endpoint.getDescriptor();
if (wse != null) {
BundleDescriptor bd = wse.getBundleDescriptor();
if (bd != null) {
Application app = bd.getApplication();
if (app != null) {
epAppName = app.getRegistrationName();
}
}
}
webContainer.registerAdHocPathAndSubtree(
epPath,
epSubtree,
epCtxRoot,
epAppName,
EJB_WEB_SERVICE_SERVLET_INFO);
}
/**
* Receives and processes notification of a webservice endpoint
* removal from the appserver.
*
* This method extracts the context root from the endpoint's URL, and
* unregisters the corresponding EjbWebServiceWebModule from the web
* container
*
* @param endpoint The EJB webservice endpoint that was removed
*/
public void endpointRemoved(Endpoint endpoint) {
if (!TransportType.HTTP.equals(endpoint.getTransport())) {
return;
}
if (!EndpointType.EJB_ENDPOINT.equals(endpoint.getEndpointType())) {
return;
}
String epURI = endpoint.getEndpointSelector();
String epCtxRoot = null;
String epPath = null;
int index = epURI.indexOf('/', 1);
if (index < 0) {
epCtxRoot = epURI;
epPath = "";
} else {
epCtxRoot = epURI.substring(0, index);
epPath = epURI.substring(index);
}
String epSubtree = epPath + "/__container$publishing$subctx/";
webContainer.unregisterAdHocPathAndSubtree(epPath, epSubtree,
epCtxRoot);
}
}