/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can obtain
* a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
* or glassfish/bootstrap/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
* Sun designates this particular file as subject to the "Classpath" exception
* as provided by Sun in the GPL Version 2 section of the License file that
* accompanied this code. If applicable, add the following below the License
* Header, with the fields enclosed by brackets [] replaced by your own
* identifying information: "Portions Copyrighted [year]
* [name of copyright owner]"
*
* Contributor(s):
*
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
/*
* @(#) ResourceManager.java
*
* Copyright 2000-2001 by iPlanet/Sun Microsystems, Inc.,
* 901 San Antonio Road, Palo Alto, California, 94303, U.S.A.
* All rights reserved.
*
* This software is the confidential and proprietary information
* of iPlanet/Sun Microsystems, Inc. ("Confidential Information").
* You shall not disclose such Confidential Information and shall
* use it only in accordance with the terms of the license
* agreement you entered into with iPlanet/Sun Microsystems.
*/
package com.sun.enterprise.server;
import com.sun.enterprise.config.serverbeans.*;
import com.sun.enterprise.config.*;
import com.sun.enterprise.config.ConfigException;
import com.sun.enterprise.admin.event.ResourceDeployEvent;
import com.sun.enterprise.admin.event.ResourceDeployEventListener;
import com.sun.enterprise.admin.event.AdminEventListenerException;
import com.sun.enterprise.admin.event.AdminEventMulticaster;
import com.sun.enterprise.admin.event.AdminEventResult;
import com.sun.enterprise.admin.event.BaseDeployEvent;
import com.sun.enterprise.connectors.util.ResourcesUtil;
import com.sun.enterprise.util.i18n.StringManager;
import java.util.logging.Level;
import java.util.logging.Logger;
import com.sun.logging.LogDomains;
/**
* Handles resource deploy events. When a resource is updated/added,
* admin server sends a notification to the server instance. This object
* is the listener for all resource events.
*
* Resource deployers throws UnsupportedOperationException when
* an operation is not supported and requires a server restart. It
* catches the UnsupportedOperationException and notifies
* admin event multicaster with RESTART_NEEDED flag.
*/
class ResourceManager implements ResourceDeployEventListener {
/** logger for this manager */
static Logger _logger = LogDomains.getLogger(LogDomains.CORE_LOGGER);
/** context of the server instance runtime */
private ServerContext serverContext_;
/** resource deployer factory */
private ResourceDeployerFactory factory_ = null;
private static StringManager localStrings = StringManager.getManager(
"com.sun.enterprise.server");
/**
* Constructor.
*
* @param sc server context
*/
public ResourceManager(ServerContext sc) {
serverContext_ = sc;
factory_ = new ResourceDeployerFactory();
}
// ---- START OF ResourceDeployEventListener METHODS ---------------------
public void resourceDeployed(ResourceDeployEvent event)
throws AdminEventListenerException {
assert(event.getJ2EEComponentType() == BaseDeployEvent.RESOURCE);
try {
Resources rbeans = getResources(event.getConfigContext());
String type = event.getResourceType();
ResourcesUtil.setEventConfigContext(event.getConfigContext());
Object resource =
factory_.getResource(type, event.getResourceName(), rbeans);
if (ResourcesUtil.createInstance().isEnabled((ConfigBean) resource)) {
factory_.getResourceDeployer(type).deployResource(resource);
}
_logger.log(Level.INFO, "core.resourcedeployed",
type + ":" + event.getResourceName());
} catch (Exception e) {
_logger.log(Level.SEVERE,"core.resourcedeploy_error", e);
throw new AdminEventListenerException(e.getMessage());
} finally {
ResourcesUtil.resetEventConfigContext();
}
}
public void resourceUndeployed(ResourceDeployEvent event)
throws AdminEventListenerException {
assert(event.getJ2EEComponentType() == BaseDeployEvent.RESOURCE);
try {
// use config context prior to applying any changes
Resources rbeans = getResources(event.getOldConfigContext());
String type = event.getResourceType();
Object resource =
factory_.getResource(type, event.getResourceName(), rbeans);
ResourcesUtil.setEventConfigContext(event.getConfigContext());
factory_.getResourceDeployer(type).undeployResource(resource);
_logger.log(Level.INFO, "core.resourceundeployed",
type + ":" + event.getResourceName());
} catch (UnsupportedOperationException nse) {
AdminEventMulticaster.notifyFailure(event, AdminEventResult.RESTART_NEEDED);
_logger.log(Level.INFO,"core.resource_undeployed_restart_needed", event.getResourceName());
} catch (Exception e) {
_logger.log(Level.SEVERE,"core.resourceundeploy_error",e);
throw new AdminEventListenerException(e.getMessage());
} finally {
ResourcesUtil.resetEventConfigContext();
}
}
public void resourceRedeployed(ResourceDeployEvent event)
throws AdminEventListenerException {
assert(event.getJ2EEComponentType() == BaseDeployEvent.RESOURCE);
try {
Resources rbeans = getResources(event.getConfigContext());
String type = event.getResourceType();
Object resource =
factory_.getResource(type, event.getResourceName(), rbeans);
factory_.getResourceDeployer(type).redeployResource(resource);
_logger.log(Level.INFO, "core.resourceredeployed",
type + ":" + event.getResourceName());
} catch (UnsupportedOperationException nse) {
AdminEventMulticaster.notifyFailure(event, AdminEventResult.RESTART_NEEDED);
_logger.log(Level.INFO,"core.resource_redeployed_restart_needed", event.getResourceName());
} catch (Exception e) {
_logger.log(Level.SEVERE,"core.resourceredeploy_error",e);
throw new AdminEventListenerException(e.getMessage());
}
}
public void resourceEnabled(ResourceDeployEvent event)
throws AdminEventListenerException {
assert(event.getJ2EEComponentType() == BaseDeployEvent.RESOURCE);
try {
Resources rbeans = getResources(event.getConfigContext());
String type = event.getResourceType();
Object resource =
factory_.getResource(type, event.getResourceName(), rbeans);
factory_.getResourceDeployer(type).enableResource(resource);
_logger.log(Level.INFO, "core.resourceenabled",
type + ":" + event.getResourceName());
} catch (UnsupportedOperationException nse) {
AdminEventMulticaster.notifyFailure(event, AdminEventResult.RESTART_NEEDED);
_logger.log(Level.INFO,"core.resource_enabled_restart_needed", event.getResourceName());
} catch (Exception e) {
_logger.log(Level.SEVERE,"core.resourceenabled_error",e);
throw new AdminEventListenerException(e.getMessage());
}
}
public void resourceDisabled(ResourceDeployEvent event)
throws AdminEventListenerException {
assert(event.getJ2EEComponentType() == BaseDeployEvent.RESOURCE);
try {
Resources rbeans = getResources(event.getConfigContext());
String type = event.getResourceType();
Object resource =
factory_.getResource(type, event.getResourceName(), rbeans);
factory_.getResourceDeployer(type).disableResource(resource);
_logger.log(Level.INFO, "core.resourcedisabled",
type + ":" + event.getResourceName());
} catch (UnsupportedOperationException nse) {
AdminEventMulticaster.notifyFailure(event, AdminEventResult.RESTART_NEEDED);
_logger.log(Level.INFO,"core.resource_disabled_restart_needed", event.getResourceName());
} catch (Exception e) {
_logger.log(Level.SEVERE,"core.resourcedisabled_error",e);
throw new AdminEventListenerException(e.getMessage());
}
}
public void resourceReferenceAdded(ResourceDeployEvent event)
throws AdminEventListenerException {
resourceDeployed(event);
}
public void resourceReferenceRemoved(ResourceDeployEvent event)
throws AdminEventListenerException {
resourceUndeployed(event);
}
// ---- END OF ResourceDeployEventListener METHODS ---------------------
/**
* Returns the config resources bean from the given config context.
*
* @param ctx config context
*
* @throws ConfigException if an error while getting the resources bean
*/
private Resources getResources(ConfigContext ctx) throws ConfigException {
//Resources rbeans = ServerBeansFactory.getServerBean(ctx).getResources();
Resources rbeans = ServerBeansFactory.getDomainBean(ctx).getResources();
if (rbeans == null) {
String msg = localStrings.getString("resourceManager.resource_not_found");
throw new ConfigException(msg); //XXX
}
return rbeans;
}
}
|
