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/*
* @(#) ExternalJndiResourceDeployer.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.resource;
import com.sun.enterprise.server.ResourceDeployer;
import com.sun.enterprise.config.serverbeans.Resources;
import com.sun.enterprise.Switch;
import com.sun.enterprise.repository.J2EEResource;
import com.sun.enterprise.repository.ExternalJndiResource;
import com.sun.enterprise.repository.IASJ2EEResourceFactoryImpl;
import java.util.logging.Logger;
import java.util.logging.Level;
import com.sun.logging.LogDomains;
import com.sun.enterprise.util.i18n.StringManager;
/**
* Handles external-jndi resource events in the server instance.
*
* The external-jndi resource events from the admin instance are propagated
* to this object.
*
* The methods can potentially be called concurrently, therefore implementation
* need to be synchronized.
*
* @author Nazrul Islam
* @since JDK1.4
*/
public class ExternalJndiResourceDeployer implements ResourceDeployer {
/** StringManager for this deployer */
private static final StringManager localStrings =
StringManager.getManager("com.sun.enterprise.resource");
/** logger for this deployer */
private static Logger _logger=LogDomains.getLogger(LogDomains.CORE_LOGGER);
/**
* Deploy the resource into the server's runtime naming context
*
* @param resource a resource object (eg. JmsResource)
* @exception Exception thrown if fail
*/
public synchronized void deployResource(Object resource) throws Exception {
com.sun.enterprise.config.serverbeans.ExternalJndiResource jndiRes =
(com.sun.enterprise.config.serverbeans.ExternalJndiResource) resource;
if (jndiRes.isEnabled()) {
// converts the config data to j2ee resource
J2EEResource j2eeRes =
IASJ2EEResourceFactoryImpl.toExternalJndiJ2EEResource(jndiRes);
// resource installer
ResourceInstaller installer =
Switch.getSwitch().getResourceInstaller();
// installs the resource
installer.installExternalJndiResource(
(ExternalJndiResource) j2eeRes);
// adds the resource to the resource collection
installer.addResource(j2eeRes);
} else {
_logger.log(Level.INFO, "core.resource_disabled",
new Object[] {jndiRes.getJndiName(),
IASJ2EEResourceFactoryImpl.EXT_JNDI_RES_TYPE});
}
}
/**
* Undeploy the resource from the server's runtime naming context
*
* @param resource a resource object (eg. JmsResource)
* @exception Exception thrown if fail
*/
public synchronized void undeployResource(Object resource)
throws Exception {
com.sun.enterprise.config.serverbeans.ExternalJndiResource jndiRes =
(com.sun.enterprise.config.serverbeans.ExternalJndiResource) resource;
// converts the config data to j2ee resource
J2EEResource j2eeResource =
IASJ2EEResourceFactoryImpl.toExternalJndiJ2EEResource(jndiRes);
// resource installer
ResourceInstaller installer = Switch.getSwitch().getResourceInstaller();
// un-installs the resource
installer.uninstallExternalJndiResource(j2eeResource);
}
/**
* Redeploy the resource into the server's runtime naming context
*
* @param resource a resource object (eg. JmsResource)
* @exception Exception thrown if fail
*/
public synchronized void redeployResource(Object resource)
throws Exception {
undeployResource(resource);
deployResource(resource);
}
/**
* Enable the resource in the server's runtime naming context
*
* @param resource a resource object (eg. JmsResource)
* @exception Exception thrown if fail
*/
public synchronized void enableResource(Object resource) throws Exception {
deployResource(resource);
}
/**
* Disable the resource in the server's runtime naming context
*
* @param resource a resource object (eg. JmsResource)
* @exception Exception thrown if fail
*/
public synchronized void disableResource(Object resource) throws Exception {
undeployResource(resource);
}
/**
* Utility method to find a resource from Resources beans and converte
* it to a resource object to be used by the implemented ResourceDeployer
*
* @param name resource name (normally the jndi-name)
* @param rbeans Resources config-beans
* @exception Exception thrown if fail
*/
public Object getResource(String name, Resources rbeans) throws Exception {
Object res = rbeans.getExternalJndiResourceByJndiName(name);
if (res == null) {
String msg = localStrings.getString(
"resource.no_resource", name);
throw new Exception(msg);
}
return res;
}
}
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