Package com.sun.jersey.samples.bookmark_em.resources

Source Code of com.sun.jersey.samples.bookmark_em.resources.BookmarkResource

/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2010-2011 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
* http://glassfish.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 com.sun.jersey.samples.bookmark_em.resources;

import com.sun.jersey.api.NotFoundException;
import com.sun.jersey.samples.bookmark_em.entities.BookmarkEntity;
import com.sun.jersey.samples.bookmark_em.entities.BookmarkEntityPK;
import com.sun.jersey.samples.bookmark_em.entities.UserEntity;
import com.sun.jersey.samples.bookmark_em.util.tx.TransactionManager;
import com.sun.jersey.samples.bookmark_em.util.tx.Transactional;
import java.util.Date;
import javax.persistence.EntityManager;
import javax.transaction.UserTransaction;
import javax.ws.rs.Consumes;
import javax.ws.rs.DELETE;
import javax.ws.rs.GET;
import javax.ws.rs.PUT;
import javax.ws.rs.Produces;
import javax.ws.rs.core.UriInfo;
import org.codehaus.jettison.json.JSONException;
import org.codehaus.jettison.json.JSONObject;

/**
*
* @author Jakub Podlesak, Paul Sandoz
*/
public class BookmarkResource {
   
    UriInfo uriInfo; // actual uri info provided by parent resource
    EntityManager em; // entity manager provided by parent resource
    UserTransaction utx; //user transaction provided by parent resource

    BookmarkEntity bookmarkEntity;

    /** Creates a new instance of UserResource */
    public BookmarkResource(UriInfo uriInfo, EntityManager em,
            UserTransaction utx, UserEntity userEntity, String bmid) {
        this.uriInfo = uriInfo;
        this.em = em;
        this.utx = utx;

        bookmarkEntity = em.find(BookmarkEntity.class,
                new BookmarkEntityPK(bmid, userEntity.getUserid()));
        if (null == bookmarkEntity) {
            throw new NotFoundException("bookmark with userid=" +
                    userEntity.getUserid() + " and bmid=" +
                    bmid + " not found\n");
        }
        bookmarkEntity.setUserEntity(userEntity);
    }
   
    @GET
    @Produces("application/json")
    public JSONObject getBookmark() {
        return asJson();
    }
   
    @PUT
    @Consumes("application/json")
    public void putBookmark(JSONObject jsonEntity) throws JSONException {

        bookmarkEntity.setLdesc(jsonEntity.getString("ldesc"));
        bookmarkEntity.setSdesc(jsonEntity.getString("sdesc"));
        bookmarkEntity.setUpdated(new Date());
       
        TransactionManager.manage(utx, new Transactional(em) { public void transact() {
            em.merge(bookmarkEntity);
        }});
    }   
   
    @DELETE
    public void deleteBookmark() {
        TransactionManager.manage(utx, new Transactional(em) { public void transact() {
            em.persist(bookmarkEntity);
            UserEntity userEntity = bookmarkEntity.getUserEntity();
            userEntity.getBookmarkEntityCollection().remove(bookmarkEntity);
            em.merge(userEntity);
            em.remove(bookmarkEntity);
        }});
    }   
   
   
    public String asString() {
        return toString();
    }
   
    public JSONObject asJson() {
        try {
            return new JSONObject()
            .put("userid", bookmarkEntity.getBookmarkEntityPK().getUserid())
            .put("sdesc", bookmarkEntity.getSdesc())
            .put("ldesc", bookmarkEntity.getLdesc())
            .put("uri", bookmarkEntity.getUri());
        } catch (JSONException je){
            return null;
        }
    }
   
    @Override
    public String toString() {
        return bookmarkEntity.getBookmarkEntityPK().getUserid();
    }
}
TOP

Related Classes of com.sun.jersey.samples.bookmark_em.resources.BookmarkResource

TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.