org.glassfish.osgi.ee.resources.JMSResourceManager Maven / Gradle / Ivy
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package org.glassfish.osgi.ee.resources;
import com.sun.enterprise.config.serverbeans.*;
import org.jvnet.hk2.component.Habitat;
import org.osgi.framework.BundleContext;
import javax.jms.ConnectionFactory;
import javax.jms.QueueConnectionFactory;
import javax.jms.TopicConnectionFactory;
import java.util.*;
/**
* Resource-Manager to export jms-connection-factories (JMS-RA Connector-Resources)
* in GlassFish to OSGi's service-registry
*
* @author Jagadish Ramu
*/
public class JMSResourceManager extends BaseResourceManager implements ResourceManager {
private Habitat habitat;
public JMSResourceManager(Habitat habitat){
super(habitat);
}
/**
* {@inheritDoc}
*/
public void registerResources(BundleContext context) {
registerJmsResources(context);
}
/**
* Iterates through all of the configured connector-resources of jms-ra
* Exposes them as OSGi service by appropriate contract which can be one of the following :
* javax.jms.ConnectionFactory
* javax.jms.QueueConnectionFactory
* javax.jms.TopicConnectionFactory
* @param context bundle-context
*/
public void registerJmsResources(BundleContext context) {
Collection connectorResources = getResources().getResources(ConnectorResource.class);
for (ConnectorResource resource : connectorResources) {
if (isJmsResource(resource)) {
ResourceRef resRef = getResourceHelper().getResourceRef(resource.getJndiName());
registerResource(resource, resRef, context);
}
}
}
/**
* {@inheritDoc}
*/
public void registerResource(BindableResource resource, ResourceRef resRef, BundleContext bundleContext) {
ConnectorResource connectorResource = (ConnectorResource) resource;
if (connectorResource.getEnabled().equalsIgnoreCase("true")) {
if (resRef != null && resRef.getEnabled().equalsIgnoreCase("true")) {
String poolName = connectorResource.getPoolName();
ConnectorConnectionPool pool = (ConnectorConnectionPool)
getResources().getResourceByName(ConnectorConnectionPool.class, poolName);
String defnName = pool.getConnectionDefinitionName();
Class claz = null;
Class intf[] = null;
if (defnName.equals(Constants.QUEUE_CF)) {
claz = QueueConnectionFactory.class;
intf = new Class[]{QueueConnectionFactory.class, Invalidate.class};
} else if (defnName.equals(Constants.TOPIC_CF)) {
claz = TopicConnectionFactory.class;
intf = new Class[]{TopicConnectionFactory.class, Invalidate.class};
} else if (defnName.equals(Constants.UNIFIED_CF)) {
claz = ConnectionFactory.class;
intf = new Class[]{ConnectionFactory.class, Invalidate.class};
} else {
throw new RuntimeException
("Invalid connection-definition [ " + defnName + " ]" +
" for jms-resource [ " + resource.getJndiName() + " ]");
}
Dictionary properties = new Hashtable();
properties.put(Constants.JNDI_NAME, connectorResource.getJndiName());
Object o = getProxy(connectorResource.getJndiName(), intf, getClassLoader());
registerResourceAsService(bundleContext, connectorResource, claz.getName(), properties, o);
}
}
}
/**
* {@inheritDoc}
*/
public boolean handlesResource(BindableResource resource) {
boolean result = false;
if (resource instanceof ConnectorResource) {
result = isJmsResource((ConnectorResource) resource);
}
return result;
}
/**
* determines whether the resource is a JMS-RA's resource
* @param resource connector-resource
* @return boolean
*/
private boolean isJmsResource(ConnectorResource resource) {
boolean result = false;
String poolName = resource.getPoolName();
ConnectorConnectionPool pool = (ConnectorConnectionPool)
getResources().getResourceByName(ConnectorConnectionPool.class, poolName);
String raName = pool.getResourceAdapterName();
if (raName.equals(Constants.DEFAULT_JMS_ADAPTER)) {
result = true;
}
return result;
}
}