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

This example Java EE 6 source code file (MessageBoardResourceBean.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Java EE 6 tags/keywords

context, delete, ejb, ejb, get, get, message, message, messageboardresourcebean, net, network, notfoundexception, notfoundexception, path, path, servlet, uri, uriinfo, util, web

The Java EE 6 MessageBoardResourceBean.java source code

 * 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
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 * either the CDDL, the GPL Version 2 or to extend the choice of license to
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 * and therefore, elected the GPL Version 2 license, then the option applies
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package enterprise.messageboard.resources;

import enterprise.messageboard.entities.Message;
import enterprise.messageboard.exceptions.NotFoundException;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.List;
import javax.ejb.EJB;
import javax.ejb.Stateless;
import javax.ws.rs.DELETE;
import javax.ws.rs.GET;
import javax.ws.rs.POST;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.UriInfo;

public class MessageBoardResourceBean {

    @Context private UriInfo ui;
    @EJB MessageHolderSingletonBean singleton;

    public List<Message> getMessages() {
        return singleton.getMessages();

    public Response addMessage(String msg) throws URISyntaxException {
        Message m = singleton.addMessage(msg);

        URI msgURI = ui.getRequestUriBuilder().path(Integer.toString(m.getUniqueId())).build();

        return Response.created(msgURI).build();

    public Message getMessage(@PathParam("msgNum") int msgNum) throws NotFoundException {
        Message m = singleton.getMessage(msgNum);

        if(m == null)
            throw new NotFoundException();

        return m;


    public void deleteMessage(@PathParam("msgNum") int msgNum) throws NotFoundException {
        boolean deleted = singleton.deleteMessage(msgNum);

            throw new NotFoundException();

Other Java EE 6 examples (source code examples)

Here is a short list of links related to this Java EE 6 MessageBoardResourceBean.java source code file:

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