/** * 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 * <p/> * http://www.apache.org/licenses/LICENSE-2.0 * <p/> * 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 jug.rest; import jug.dao.SubjectDao; import jug.dao.VoteDao; import jug.domain.Result; import jug.domain.Subject; import jug.domain.Value; import jug.domain.Vote; import jug.monitoring.VoteCounter; import javax.annotation.Resource; import javax.ejb.Lock; import javax.ejb.LockType; import javax.ejb.Singleton; import javax.ejb.TransactionAttribute; import javax.ejb.TransactionAttributeType; import javax.inject.Inject; import javax.ws.rs.GET; import javax.ws.rs.POST; 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 java.util.Collection; import java.util.List; @Path("subject") @Singleton // an ejb just to be able to test in standalone @Lock(LockType.READ) @TransactionAttribute(TransactionAttributeType.SUPPORTS) @Produces({MediaType.APPLICATION_JSON}) public class SubjectService { @Inject private SubjectDao dao; @Inject private VoteDao voteDao; @Inject private VoteCounter counter; @Resource(name = "poll.blacklist") private List<String> blackList; @POST @Path("create") public Subject create(final String question, @QueryParam("name") final String name) { if (blackList.contains(name)) { throw new IllegalArgumentException("name blacklisted"); } final Subject subject = dao.create(name, question); counter.putSubject(subject); return subject; } @GET @Path("list") public Collection<Subject> list() { return dao.findAll(); } @GET @Path("find/{name}") public Subject findByName(@PathParam("name") final String name) { return dao.findByName(name); } @GET @Path("best") public Subject best() { return dao.bestSubject(); } @GET @Path("result/{name}") public Result result(@PathParam("name") final String name) { return new Result(dao.subjectLikeVoteNumber(name), -dao.subjectNotLikeVoteNumber(name)); } @POST @Path("vote") public Vote vote(final String input, @QueryParam("subject") final String subjectName) { final Vote vote = voteDao.create(Value.valueOf(input)); final Subject subject = dao.findByName(subjectName); dao.addVote(subject, vote); counter.putSubject(subject); // update return vote; } }