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package com.sun.enterprise.admin.wsmgmt.repository.impl.cache;
import java.util.List;
import java.util.ArrayList;
import java.util.Set;
import java.util.Iterator;
import com.sun.enterprise.deployment.backend.DeploymentEventListener;
import com.sun.enterprise.deployment.backend.DeploymentEventInfo;
import com.sun.enterprise.deployment.backend.DeploymentEvent;
import com.sun.enterprise.deployment.backend.DeploymentRequest;
import com.sun.enterprise.deployment.Application;
import com.sun.enterprise.deployment.BundleDescriptor;
import com.sun.enterprise.deployment.WebServicesDescriptor;
import com.sun.enterprise.admin.wsmgmt.WebServiceMgrBackEnd;
import java.util.logging.Logger;
import java.util.logging.Level;
import com.sun.logging.LogDomains;
/**
* This class listens to the deploy/undeploy events. On deploy, it
* investigates the deployment descriptors for web services. If
* web services exist, the application or stand alone module is
* demarcated persistently. This cache is used to discover the
* deployed web services artifacts in the repository. This removes
* the need to read all the deployment descriptors in the repository.
* On un-deploy, the information, if any, in the cache is removed.
*
* @author Nazrul Islam
* @since J2SE 5.0
*/
public class AppServDELImpl implements DeploymentEventListener {
/**
* Default constructor.
*/
public AppServDELImpl() {
}
/**
* Listens to DEPLOY and UNDEPLOY events. On deploy, the
* cache is updated if the application or stand alone
* module has web services in it. For application, the ejb and web
* bundles with web services are identified. On un-deploy, the
* application or stand alone module is removed from cache.
*/
public void notifyDeploymentEvent(DeploymentEvent event) {
try {
DeploymentEventInfo info = null;
if (event !=null) {
info = event.getEventInfo();
}
Application rootDD = null;
DeploymentRequest dr = null;
if (info != null) {
rootDD = info.getApplicationDescriptor();
dr = info.getDeploymentRequest();
}
CacheMgr mgr = CacheMgr.getInstance();
// post deploy event
if ((event != null)
&& (event.getEventType()==DeploymentEvent.POST_DEPLOY)) {
// if an ejb module
if (dr.isEjbModule()) {
Set ws = rootDD.getWebServiceDescriptors();
if ((ws != null) && !ws.isEmpty()) {
mgr.addEjbModule(dr.getName());
mgr.save();
}
// if a web module
} else if (dr.isWebModule()) {
Set ws = rootDD.getWebServiceDescriptors();
if ((ws != null) && !ws.isEmpty()) {
mgr.addWebModule(dr.getName());
mgr.save();
}
// if application
} else if (dr.isApplication()) {
List ejb = new ArrayList();
Set ejbBundles = rootDD.getEjbBundleDescriptors();
for (Iterator iter=ejbBundles.iterator(); iter.hasNext();) {
BundleDescriptor bd = (BundleDescriptor) iter.next();
WebServicesDescriptor wsDD = bd.getWebServices();
if (wsDD.hasWebServices()) {
// ejb bundle has web services
ejb.add(bd.getModuleDescriptor().getArchiveUri());
}
}
List web = new ArrayList();
Set webBundles = rootDD.getWebBundleDescriptors();
for (Iterator iter=webBundles.iterator(); iter.hasNext();) {
BundleDescriptor bd = (BundleDescriptor) iter.next();
WebServicesDescriptor wsDD = bd.getWebServices();
if (wsDD.hasWebServices()) {
// web bundle has web services
web.add(bd.getModuleDescriptor().getArchiveUri());
}
}
if ( (!ejb.isEmpty()) || (!web.isEmpty()) ) {
mgr.addJ2eeApplication(dr.getName(), ejb, web);
mgr.save();
}
}
WebServiceMgrBackEnd.getManager().removeFromCache(dr.getName());
// post undeploy event and pre deploy event
} else if ((event != null)
&& (event.getEventType()==DeploymentEvent.POST_UNDEPLOY ||
event.getEventType()==DeploymentEvent.PRE_DEPLOY)) {
// removes the app entry from cache
if (dr.isEjbModule()) {
mgr.removeEjbModule(dr.getName());
mgr.save();
} else if (dr.isWebModule()) {
mgr.removeWebModule(dr.getName());
mgr.save();
} else if (dr.isApplication()) {
mgr.removeJ2eeApplication(dr.getName());
mgr.save();
}
WebServiceMgrBackEnd.getManager().removeFromCache(dr.getName());
}
} catch (Exception e) {
_logger.log(Level.FINE, "Error in deployment event listener", e);
}
}
// ---- VARIABLES - PRIVATE --------------------------------------------
private static Logger _logger = Logger.getLogger(LogDomains.ADMIN_LOGGER);
}
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