| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.superbiz.rest; |
| |
| import javax.ejb.Lock; |
| import javax.ejb.LockType; |
| import javax.ejb.Singleton; |
| import javax.persistence.EntityManager; |
| import javax.persistence.PersistenceContext; |
| import javax.ws.rs.DELETE; |
| import javax.ws.rs.DefaultValue; |
| import javax.ws.rs.GET; |
| import javax.ws.rs.POST; |
| import javax.ws.rs.PUT; |
| import javax.ws.rs.Path; |
| import javax.ws.rs.PathParam; |
| import javax.ws.rs.Produces; |
| import javax.ws.rs.QueryParam; |
| import javax.ws.rs.core.MediaType; |
| import javax.ws.rs.core.Response; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * Outputs are copied because of the enhancement of OpenJPA. |
| */ |
| @Singleton |
| @Lock(LockType.WRITE) |
| @Path("/user") |
| @Produces(MediaType.APPLICATION_XML) |
| public class UserService { |
| |
| @PersistenceContext |
| private EntityManager em; |
| |
| @Path("/create") |
| @PUT |
| public User create(@QueryParam("name") String name, |
| @QueryParam("pwd") String pwd, |
| @QueryParam("mail") String mail) { |
| User user = new User(); |
| user.setFullname(name); |
| user.setPassword(pwd); |
| user.setEmail(mail); |
| em.persist(user); |
| return user.copy(); |
| } |
| |
| @Path("/list") |
| @GET |
| public List<User> list(@QueryParam("first") @DefaultValue("0") int first, |
| @QueryParam("max") @DefaultValue("20") int max) { |
| List<User> users = new ArrayList<User>(); |
| List<User> found = em.createNamedQuery("user.list", User.class).setFirstResult(first).setMaxResults(max).getResultList(); |
| for (User u : found) { |
| users.add(u.copy()); |
| } |
| return users; |
| } |
| |
| @Path("/show/{id}") |
| @GET |
| public User find(@PathParam("id") long id) { |
| User user = em.find(User.class, id); |
| if (user == null) { |
| return null; |
| } |
| return user.copy(); |
| |
| } |
| |
| @Path("/delete/{id}") |
| @DELETE |
| public void delete(@PathParam("id") long id) { |
| User user = em.find(User.class, id); |
| if (user != null) { |
| em.remove(user); |
| } |
| } |
| |
| @Path("/update/{id}") |
| @POST |
| public Response update(@PathParam("id") long id, |
| @QueryParam("name") String name, |
| @QueryParam("pwd") String pwd, |
| @QueryParam("mail") String mail) { |
| User user = em.find(User.class, id); |
| if (user == null) { |
| throw new IllegalArgumentException("user id " + id + " not found"); |
| } |
| |
| user.setFullname(name); |
| user.setPassword(pwd); |
| user.setEmail(mail); |
| em.merge(user); |
| |
| return Response.ok(user.copy()).build(); |
| } |
| } |