Glassfish example source code file (JMSDestinationResourceManager.java)

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Java - Glassfish tags/keywords

adminobjectresource, adminobjectresource, class, class, destination, dictionary, invalid, jmsdestinationresourcemanager, jmsdestinationresourcemanager, resourcemanager, resourceref, resources, string, string, util

The Glassfish JMSDestinationResourceManager.java source code

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 * 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_1_1.html
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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.*;
import java.util.Collection;
import java.util.Dictionary;
import java.util.Hashtable;

/**
 * Resource-Manager to export jms-destinations (JMS-RA admin-object-resources) in GlassFish to OSGi's service-registry
 *
 * @author Jagadish Ramu
 */
public class JMSDestinationResourceManager extends BaseResourceManager implements ResourceManager {

    private Habitat habitat;

    public JMSDestinationResourceManager(Habitat habitat){
        super(habitat);
    }

    /**
     * {@inheritDoc}
     */
    public void registerResources(BundleContext context) {
        registerJmsResources(context);
    }

    /**
     * registers the admin-object-resource in service-registry
     * @param context bundle-context
     */
    public void registerJmsResources(BundleContext context) {
        Resources resources = getHabitat().getComponent(Domain.class).getResources();
        Collection<AdminObjectResource> administeredObjectResources = resources.getResources(AdminObjectResource.class);
        for (AdminObjectResource resource : administeredObjectResources) {
            if (isJmsResource(resource)) {
                ResourceRef resRef = getResourceHelper().getResourceRef(resource.getJndiName());
                registerResource(resource, resRef, context);
            }
        }
    }

    /**
     * {@inheritDoc}
     */
    public void registerResource(BindableResource resource, ResourceRef resRef, BundleContext bundleContext) {
        AdminObjectResource adminObjectResource = (AdminObjectResource) resource;
        if (adminObjectResource.getEnabled().equalsIgnoreCase("true")) {
            if (resRef != null && resRef.getEnabled().equalsIgnoreCase("true")) {
                String defnName = adminObjectResource.getResType();
                Class claz = null;
                Class intf[] = null;

                if (defnName.equals(Constants.QUEUE)) {
                    claz = Queue.class;
                    intf = new Class[]{Queue.class, Invalidate.class};
                } else if (defnName.equals(Constants.TOPIC)) {
                    claz = Topic.class;
                    intf = new Class[]{Topic.class, Invalidate.class};
                } else {
                    throw new RuntimeException
                            ("Invalid Destination [ " + defnName + " ]" +
                                    " for jms-resource [ " + resource.getJndiName() + " ]");
                }
                Dictionary properties = new Hashtable();
                properties.put(Constants.JNDI_NAME, adminObjectResource.getJndiName());
                Object proxy = getProxy(adminObjectResource.getJndiName(), intf, getClassLoader());
                registerResourceAsService(bundleContext, adminObjectResource, claz.getName(), properties, proxy);
            }
        }

    }

    /**
     * {@inheritDoc}
     */
    public boolean handlesResource(BindableResource resource) {
        boolean result = false;
        if (resource instanceof AdminObjectResource) {
            if (isJmsResource((AdminObjectResource) resource)) {
                result = true;
            }
        }
        return result;
    }

    /**
     * determines whether the resource is a JMS-RA's resource
     * @param resource admin-object-resource
     * @return boolean
     */
    private boolean isJmsResource(AdminObjectResource resource) {
        boolean result = false;
        String raName = resource.getResAdapter();
        if (raName.equals(Constants.DEFAULT_JMS_ADAPTER)) {
            result = true;
        }
        return result;
    }
}