Java EE 6 example source code file (ManagedBeanSingletonResource.java)

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Java - Java EE 6 tags/keywords

annotation, context, ejb, ejb, get, in, in, log, logging, managedbeansingletonresource, managedbeansingletonresource, postconstruct, predestroy, resource, servlet, statelesssessionbean, uriinfo, uriinfo, web

The Java EE 6 ManagedBeanSingletonResource.java source code

/*
 *
 * 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 enterprise.managedbeans.resources;

import com.sun.jersey.spi.resource.Singleton;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.annotation.Resource;
import javax.annotation.ManagedBean;
import javax.annotation.PostConstruct;
import javax.annotation.PreDestroy;
import javax.ejb.EJB;
import javax.ws.rs.GET;
import javax.ws.rs.Produces;
import javax.ws.rs.Path;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.UriInfo;

@Path("/managedbean/singleton")
@Singleton
@ManagedBean
public class ManagedBeanSingletonResource {

    @Resource(name="injectedResource") int injectedResource = 0;

    @Context UriInfo ui;

    @EJB StatelessSessionBean ssb;
    
    public ManagedBeanSingletonResource() {
        Logger.getLogger(ManagedBeanSingletonResource.class.getName()).log(Level.INFO, "In constructor " + this);
    }

    @PostConstruct
    public void postConstruct() {
        Logger.getLogger(ManagedBeanSingletonResource.class.getName()).log(Level.INFO, "In post construct " + this);
    }

    @PreDestroy
    public void preDestroy() {
        Logger.getLogger(ManagedBeanSingletonResource.class.getName()).log(Level.INFO, "In pre destroy " + this);
    }

    @GET 
    @Produces("text/plain")
    public String getMessage() {
        Logger.getLogger(ManagedBeanSingletonResource.class.getName()).log(Level.INFO, "In getMessage " + this + " " + ui);

        return ssb.getMessage() + " " + Integer.toString(injectedResource++);
    }
}