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

com.sun.jersey.server.impl.container.servlet.ThreadLocalNamedInvoker Maven / Gradle / Ivy

There is a newer version: 1.19.4
Show newest version
/*
 *
 * 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://jersey.dev.java.net/CDDL+GPL.html
 * or jersey/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 jersey/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.
 */

package com.sun.jersey.server.impl.container.servlet;

import java.lang.reflect.Method;
import javax.naming.Context;
import javax.naming.InitialContext;

/**
 * A proxy invocation handler that delegates all methods to a thread
 * local instance
 */
public class ThreadLocalNamedInvoker extends ThreadLocalInvoker {
    
    private String name;
    
    /**
     * @param name the JNDI name at which an instance of T can be found
     */
    public ThreadLocalNamedInvoker(String name) {
        this.name = name;
    }
    
    @SuppressWarnings("unchecked")
    public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
        // if no instance yet exists for the current thread then look one up
        // and stash it
        if (this.get() == null) {
            Context ctx = new InitialContext();
            T t = (T) ctx.lookup(name);
            this.set(t);
        }
        return super.invoke(proxy,method,args);
    }    
}




© 2015 - 2024 Weber Informatics LLC | Privacy Policy