All Downloads are FREE. Search and download functionalities are using the official Maven repository.

org.glassfish.enterprise.iiop.api.HandleDelegateNamingProxy Maven / Gradle / Ivy

There is a newer version: 7.2024.1.Alpha1
Show newest version
/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 1997-2014 Oracle and/or its affiliates. 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_1_1.html
 * or packager/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 packager/legal/LICENSE.txt.
 *
 * GPL Classpath Exception:
 * Oracle designates this particular file as subject to the "Classpath"
 * exception as provided by Oracle in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
 * "Portions Copyright [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.
 */

package org.glassfish.enterprise.iiop.api;

import org.glassfish.api.naming.NamespacePrefixes;
import org.glassfish.api.naming.NamedNamingObjectProxy;

import org.jvnet.hk2.annotations.Service;
import javax.inject.Inject;

import javax.ejb.spi.HandleDelegate;

import javax.inject.Provider;
import javax.naming.NamingException;

/**
 * Proxy for java:comp/ORB lookups
 *
 *
 * @author Ken Saks
 */
@Service
@NamespacePrefixes(HandleDelegateNamingProxy.HANDLE_DELEGATE)
public class HandleDelegateNamingProxy implements NamedNamingObjectProxy {

    static final String HANDLE_DELEGATE
            = "java:comp/HandleDelegate";

    @Inject
    private Provider handleDelegateFacadeProvider;

    private volatile HandleDelegateFacade facade;

    public Object handle(String name) throws NamingException {

        HandleDelegate delegate = null;

        if (HANDLE_DELEGATE.equals(name)) {
            try {
                if (facade == null) {
                    HandleDelegateFacade hd = handleDelegateFacadeProvider.get();
                    facade = hd;
                }
                delegate = facade.getHandleDelegate();

            } catch(Throwable t) {
                NamingException ne = new NamingException
                        ("Error resolving java:comp/HandleDelegate lookup");
                ne.initCause(t);
                throw ne;
            }
        }

        return delegate;
    }


}




© 2015 - 2024 Weber Informatics LLC | Privacy Policy