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package com.sun.enterprise.server;
import com.sun.enterprise.admin.event.AdminEventListenerException;
import com.sun.enterprise.admin.event.AdminEventListenerRegistry;
import com.sun.enterprise.admin.event.BaseDeployEvent;
import com.sun.enterprise.admin.event.DeployEventListenerHelper;
import com.sun.enterprise.admin.event.ModuleDeployEvent;
import com.sun.enterprise.admin.event.ModuleDeployEventListener;
import com.sun.enterprise.appclient.jws.AppclientJWSSupportManager;
import com.sun.enterprise.config.ConfigContext;
import com.sun.enterprise.config.ConfigException;
import com.sun.enterprise.deployment.backend.DeployableObjectType;
import com.sun.enterprise.deployment.node.J2EEDocumentBuilder;
import com.sun.enterprise.instance.AppclientModulesManager;
import com.sun.enterprise.management.StateManageable;
import com.sun.enterprise.util.i18n.StringManager;
import com.sun.logging.LogDomains;
import java.util.Hashtable;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.management.MBeanException;
/**
* AppClientModules Manager acts as a listener for the deployment events.
*
* @author Sreenivas Munnangi
* @since JDK1.4
*/
class StandAloneAppClientModulesManager extends AbstractManager
implements ModuleDeployEventListener {
static Logger _logger = LogDomains.getLogger(LogDomains.CORE_LOGGER);
private static StringManager localStrings = StringManager.getManager(
"com.sun.enterprise.server");
/**
* Application Client Modules Manager
*/
StandAloneAppClientModulesManager(
AppclientModulesManager acModuleManager, ClassLoader sharedCL) {
super(sharedCL, acModuleManager);
AdminEventListenerRegistry.addModuleDeployEventListener(this);
/* Make sure the manager is alive to receive all start-up load events. */
AppclientJWSSupportManager.getInstance();
}
/**
* Invoked when a standalone application client module is deployed.
*/
public synchronized void moduleDeployed(ModuleDeployEvent event)
throws AdminEventListenerException {
boolean jsr77 = false;
if (_logger.isLoggable(Level.FINEST)) {
_logger.log(Level.FINEST,
"In StandAloneAppClientModulesManager moduleDeployed");
_logger.log(Level.FINEST, "ModuleType=" + event.getModuleType());
}
if (event.getModuleType().equals(event.TYPE_APPCLIENT)) {
DeployEventListenerHelper.getDeployEventListenerHelper().synchronize(event);
String modID = event.getModuleName();
if (_logger.isLoggable(Level.FINEST)) {
_logger.log(Level.FINEST, "modID=" + modID);
}
try {
// refreshes the config context with the context from this event
this.configManager.refreshConfigContext(event.getConfigContext());
// set jsr77 flag
// which is used to signify if the event is deploy or undeploy
// to create or delete jsr77 mBeans
String action = event.getAction();
if ((action.equals(BaseDeployEvent.DEPLOY)) ||
(action.equals(BaseDeployEvent.REDEPLOY))) {
jsr77 = true;
}
if (!moduleDeployed(jsr77, modID, event.getConfigContext())) {
// throw an exception if load fails
String msg = localStrings.getString("appClientModule deploy failed",
modID);
throw new AdminEventListenerException(msg);
}
} catch (ConfigException ce) {
throw new AdminEventListenerException(ce.getMessage());
}
}
}
/**
* Invoked when a standalone application client module is undeployed.
*/
public synchronized void moduleUndeployed(ModuleDeployEvent event)
throws AdminEventListenerException {
boolean jsr77 = false;
if (_logger.isLoggable(Level.FINEST)) {
_logger.log(Level.FINEST,
"In StandAloneAppClientModulesManager moduleUndeployed");
}
String action = event.getAction();
if ((action.equals(BaseDeployEvent.UNDEPLOY)) ||
(action.equals(BaseDeployEvent.REDEPLOY))) {
jsr77 = true;
}
try {
if (event.getModuleType().equals(event.TYPE_APPCLIENT)) {
String modID = event.getModuleName();
if (_logger.isLoggable(Level.FINEST)) {
_logger.log(Level.FINEST, "UnDeploying module: " + modID);
}
// unload and throw exception if it fails
if (!moduleUndeployed(jsr77, modID)) {
String msg = localStrings.getString("appclient.appclient_undeployed_failed",
modID);
throw new AdminEventListenerException(msg);
}
}
} catch (Exception e) {
throw new AdminEventListenerException(e.getMessage());
}
}
/**
* Invoked when a standalone application client module is redeployed.
*/
public synchronized void moduleRedeployed(ModuleDeployEvent event)
throws AdminEventListenerException {
if (_logger.isLoggable(Level.FINEST)) {
_logger.log(Level.FINEST,
"In StandAloneAppClientModulesManager moduleRedeployed");
}
if (event.getModuleType().equals(event.TYPE_APPCLIENT)) {
String modID = event.getModuleName();
if (_logger.isLoggable(Level.FINEST)) {
_logger.log(Level.FINEST, "ReDeploying module: " + modID);
}
moduleUndeployed(event);
moduleDeployed(event);
}
}
/**
* Invoked when a standalone application client module is enabled.
*/
public synchronized void moduleEnabled(ModuleDeployEvent event)
throws AdminEventListenerException {
if (_logger.isLoggable(Level.FINEST)) {
_logger.log(Level.FINEST,
"In StandAloneAppClientModulesManager moduleEnabled");
}
// for an application client module
// the operations enable/disable or start/stop do not make sense
return;
}
/**
* Invoked when a standalone application client module is disabled.
*/
public synchronized void moduleDisabled(ModuleDeployEvent event)
throws AdminEventListenerException {
if (_logger.isLoggable(Level.FINEST)) {
_logger.log(Level.FINEST,
"In StandAloneAppClientModulesManager moduleDisabled");
}
// for an application client module
// the operations enable/disable or start/stop do not make sense
return;
}
/**
* Deployed event handling
*/
private boolean moduleDeployed(boolean jsr77, String modID, ConfigContext dynamicConfigContext) {
boolean result = false;
boolean loadJSR77 = jsr77 || loadJSR77(modID, DeployableObjectType.CAR);
try {
AbstractLoader modLoader = getLoader(modID);
// create root mBean for this module
if (loadJSR77) {
try {
modLoader.createRootMBean();
} catch (MBeanException mbe) {
_logger.log(Level.WARNING,
"core.error_while_creating_jsr77_root_mbean",mbe);
}
}
modLoader.setConfigContext(dynamicConfigContext);
result = modLoader.load(loadJSR77);
if (result) {
this.id2loader.put(modID, modLoader);
}
} catch (Exception ce) {
_logger.log(Level.WARNING,
"core.error_while_loading_application_client_module",ce);
result = false;
}
return result;
}
/**
* Undeployed event handling
*/
private boolean moduleUndeployed(boolean jsr77, String modID) {
boolean result = false;
try {
ApplicationClientModuleLoader modLoader =
(ApplicationClientModuleLoader) this.id2loader.remove(modID);
if (modLoader == null) {
return true;
}
// delete root mBean for this module
if (jsr77) {
try {
modLoader.deleteRootMBean();
} catch (MBeanException mbe) {
_logger.log(Level.WARNING,
"core.error_while_deleting_jsr77_root_mbean",mbe);
}
}
result = modLoader.unload(jsr77);
} catch (Exception ce) {
_logger.log(Level.WARNING,
"core.error_while_unloading_application_client_module",ce);
result = false;
}
return result;
}
/**
* Returns loader
*/
protected AbstractLoader getLoader(String moduleId) {
return new ApplicationClientModuleLoader(
moduleId,
this.parentClassLoader,
(AppclientModulesManager) this.configManager);
}
/**
* Invoked when a reference is created from a
* server instance (or cluster) to a particular module.
*
* @throws AdminEventListenerException when the listener is unable to
* process the event.
*/
public void moduleReferenceAdded(ModuleDeployEvent event)
throws AdminEventListenerException {
}
/**
* Invoked when a reference is removed from a
* server instance (or cluster) to a particular module.
*
* @throws AdminEventListenerException when the listener is unable to
* process the event.
*/
public void moduleReferenceRemoved(ModuleDeployEvent event)
throws AdminEventListenerException {
}
}
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