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002 * Licensed to the Apache Software Foundation (ASF) under one *
003 * or more contributor license agreements. See the NOTICE file *
004 * distributed with this work for additional information *
005 * regarding copyright ownership. The ASF licenses this file *
006 * to you under the Apache License, Version 2.0 (the *
007 * "License"); you may not use this file except in compliance *
008 * with the License. You may obtain a copy of the License at *
009 * *
010 * http://www.apache.org/licenses/LICENSE-2.0 *
011 * *
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013 * software distributed under the License is distributed on an *
014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY *
015 * KIND, either express or implied. See the License for the *
016 * specific language governing permissions and limitations *
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018 ****************************************************************/
019 package org.apache.james.mailbox.jpa.user;
020
021 import java.util.List;
022
023 import javax.persistence.EntityManagerFactory;
024 import javax.persistence.NoResultException;
025 import javax.persistence.PersistenceException;
026
027 import org.apache.james.mailbox.exception.SubscriptionException;
028 import org.apache.james.mailbox.jpa.JPATransactionalMapper;
029 import org.apache.james.mailbox.store.user.SubscriptionMapper;
030 import org.apache.james.mailbox.store.user.model.Subscription;
031
032 /**
033 * JPA implementation of a {@link SubscriptionMapper}. This class is not thread-safe!
034 */
035 public class JPASubscriptionMapper extends JPATransactionalMapper implements SubscriptionMapper {
036
037 public JPASubscriptionMapper(final EntityManagerFactory entityManagerFactory) {
038 super(entityManagerFactory);
039 }
040
041
042 /**
043 * @see org.apache.james.mailbox.store.user.SubscriptionMapper#findMailboxSubscriptionForUser(java.lang.String, java.lang.String)
044 */
045 public Subscription findMailboxSubscriptionForUser(final String user, final String mailbox) throws SubscriptionException {
046 try {
047 return (Subscription) getEntityManager().createNamedQuery("findFindMailboxSubscriptionForUser")
048 .setParameter("userParam", user).setParameter("mailboxParam", mailbox).getSingleResult();
049 } catch (NoResultException e) {
050 return null;
051 } catch (PersistenceException e) {
052 throw new SubscriptionException(e);
053 }
054 }
055
056 /**
057 * @throws SubscriptionException
058 * @see org.apache.james.mailbox.store.user.SubscriptionMapper#save(Subscription)
059 */
060 public void save(Subscription subscription) throws SubscriptionException {
061 try {
062 getEntityManager().persist(subscription);
063 } catch (PersistenceException e) {
064 throw new SubscriptionException(e);
065 }
066 }
067
068 /**
069 * @throws SubscriptionException
070 * @see org.apache.james.mailbox.store.user.SubscriptionMapper#findSubscriptionsForUser(java.lang.String)
071 */
072 @SuppressWarnings("unchecked")
073 public List<Subscription> findSubscriptionsForUser(String user) throws SubscriptionException {
074 try {
075 return (List<Subscription>) getEntityManager().createNamedQuery("findSubscriptionsForUser").setParameter("userParam", user).getResultList();
076 } catch (PersistenceException e) {
077 throw new SubscriptionException(e);
078 }
079 }
080
081 /**
082 * @throws SubscriptionException
083 * @see org.apache.james.mailbox.store.user.SubscriptionMapper#delete(Subscription)
084 */
085 public void delete(Subscription subscription) throws SubscriptionException {
086 try {
087 getEntityManager().remove(subscription);
088 } catch (PersistenceException e) {
089 throw new SubscriptionException(e);
090 }
091 }
092 }