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org.apache.james.mailbox.jpa.mail.JPAMailboxMapper Maven / Gradle / Ivy
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package org.apache.james.mailbox.jpa.mail;
import java.util.List;
import javax.persistence.EntityExistsException;
import javax.persistence.EntityManagerFactory;
import javax.persistence.NoResultException;
import javax.persistence.PersistenceException;
import javax.persistence.RollbackException;
import org.apache.james.mailbox.acl.ACLDiff;
import org.apache.james.mailbox.exception.MailboxException;
import org.apache.james.mailbox.exception.MailboxExistsException;
import org.apache.james.mailbox.exception.MailboxNotFoundException;
import org.apache.james.mailbox.jpa.JPAId;
import org.apache.james.mailbox.jpa.JPATransactionalMapper;
import org.apache.james.mailbox.jpa.mail.model.JPAMailbox;
import org.apache.james.mailbox.model.MailboxACL;
import org.apache.james.mailbox.model.MailboxACL.Right;
import org.apache.james.mailbox.model.MailboxId;
import org.apache.james.mailbox.model.MailboxPath;
import org.apache.james.mailbox.store.mail.MailboxMapper;
import org.apache.james.mailbox.store.mail.model.Mailbox;
import com.google.common.base.Objects;
import com.google.common.collect.ImmutableList;
/**
* Data access management for mailbox.
*/
public class JPAMailboxMapper extends JPATransactionalMapper implements MailboxMapper {
private static final char SQL_WILDCARD_CHAR = '%';
private String lastMailboxName;
public JPAMailboxMapper(EntityManagerFactory entityManagerFactory) {
super(entityManagerFactory);
}
/**
* Commit the transaction. If the commit fails due a conflict in a unique key constraint a {@link MailboxExistsException}
* will get thrown
*/
@Override
protected void commit() throws MailboxException {
try {
getEntityManager().getTransaction().commit();
} catch (PersistenceException e) {
if (e instanceof EntityExistsException) {
throw new MailboxExistsException(lastMailboxName);
}
if (e instanceof RollbackException) {
Throwable t = e.getCause();
if (t != null && t instanceof EntityExistsException) {
throw new MailboxExistsException(lastMailboxName);
}
}
throw new MailboxException("Commit of transaction failed", e);
}
}
@Override
public MailboxId save(Mailbox mailbox) throws MailboxException {
try {
if (isPathAlreadyUsedByAnotherMailbox(mailbox)) {
throw new MailboxExistsException(mailbox.getName());
}
this.lastMailboxName = mailbox.getName();
JPAMailbox persistedMailbox = JPAMailbox.from(mailbox);
getEntityManager().persist(persistedMailbox);
if (!(mailbox instanceof JPAMailbox)) {
mailbox.setMailboxId(persistedMailbox.getMailboxId());
}
return mailbox.getMailboxId();
} catch (PersistenceException e) {
throw new MailboxException("Save of mailbox " + mailbox.getName() + " failed", e);
}
}
private boolean isPathAlreadyUsedByAnotherMailbox(Mailbox mailbox) throws MailboxException {
try {
Mailbox storedMailbox = findMailboxByPath(mailbox.generateAssociatedPath());
return !Objects.equal(storedMailbox.getMailboxId(), mailbox.getMailboxId());
} catch (MailboxNotFoundException e) {
return false;
}
}
@Override
public Mailbox findMailboxByPath(MailboxPath mailboxPath) throws MailboxException, MailboxNotFoundException {
try {
if (mailboxPath.getUser() == null) {
return getEntityManager().createNamedQuery("findMailboxByName", JPAMailbox.class)
.setParameter("nameParam", mailboxPath.getName())
.setParameter("namespaceParam", mailboxPath.getNamespace())
.getSingleResult();
} else {
return getEntityManager().createNamedQuery("findMailboxByNameWithUser", JPAMailbox.class)
.setParameter("nameParam", mailboxPath.getName())
.setParameter("namespaceParam", mailboxPath.getNamespace())
.setParameter("userParam", mailboxPath.getUser())
.getSingleResult();
}
} catch (NoResultException e) {
throw new MailboxNotFoundException(mailboxPath);
} catch (PersistenceException e) {
throw new MailboxException("Search of mailbox " + mailboxPath + " failed", e);
}
}
@Override
public Mailbox findMailboxById(MailboxId id) throws MailboxException, MailboxNotFoundException {
JPAId mailboxId = (JPAId)id;
try {
return getEntityManager().createNamedQuery("findMailboxById", JPAMailbox.class)
.setParameter("idParam", mailboxId.getRawId())
.getSingleResult();
} catch (NoResultException e) {
throw new MailboxNotFoundException(mailboxId);
} catch (PersistenceException e) {
throw new MailboxException("Search of mailbox " + mailboxId.serialize() + " failed", e);
}
}
@Override
public void delete(Mailbox mailbox) throws MailboxException {
try {
JPAId mailboxId = (JPAId) mailbox.getMailboxId();
getEntityManager().createNamedQuery("deleteMessages").setParameter("idParam", mailboxId.getRawId()).executeUpdate();
JPAMailbox jpaMailbox = getEntityManager().find(JPAMailbox.class, mailboxId.getRawId());
getEntityManager().remove(jpaMailbox);
} catch (PersistenceException e) {
throw new MailboxException("Delete of mailbox " + mailbox + " failed", e);
}
}
@Override
public List findMailboxWithPathLike(MailboxPath path) throws MailboxException {
try {
if (path.getUser() == null) {
return getEntityManager().createNamedQuery("findMailboxWithNameLike", Mailbox.class)
.setParameter("nameParam", path.getName())
.setParameter("namespaceParam", path.getNamespace())
.getResultList();
} else {
return getEntityManager().createNamedQuery("findMailboxWithNameLikeWithUser", Mailbox.class)
.setParameter("nameParam", path.getName())
.setParameter("namespaceParam", path.getNamespace())
.setParameter("userParam", path.getUser())
.getResultList();
}
} catch (PersistenceException e) {
throw new MailboxException("Search of mailbox " + path + " failed", e);
}
}
public void deleteAllMemberships() throws MailboxException {
try {
getEntityManager().createNamedQuery("deleteAllMemberships").executeUpdate();
} catch (PersistenceException e) {
throw new MailboxException("Delete of mailboxes failed", e);
}
}
public void deleteAllMailboxes() throws MailboxException {
try {
getEntityManager().createNamedQuery("deleteAllMailboxes").executeUpdate();
} catch (PersistenceException e) {
throw new MailboxException("Delete of mailboxes failed", e);
}
}
@Override
public boolean hasChildren(Mailbox mailbox, char delimiter) throws MailboxException,
MailboxNotFoundException {
final String name = mailbox.getName() + delimiter + SQL_WILDCARD_CHAR;
final Long numberOfChildMailboxes;
if (mailbox.getUser() == null) {
numberOfChildMailboxes = (Long) getEntityManager().createNamedQuery("countMailboxesWithNameLike").setParameter("nameParam", name).setParameter("namespaceParam", mailbox.getNamespace()).getSingleResult();
} else {
numberOfChildMailboxes = (Long) getEntityManager().createNamedQuery("countMailboxesWithNameLikeWithUser").setParameter("nameParam", name).setParameter("namespaceParam", mailbox.getNamespace()).setParameter("userParam", mailbox.getUser()).getSingleResult();
}
return numberOfChildMailboxes != null && numberOfChildMailboxes > 0;
}
@Override
public List list() throws MailboxException {
try {
return getEntityManager().createNamedQuery("listMailboxes", Mailbox.class).getResultList();
} catch (PersistenceException e) {
throw new MailboxException("Delete of mailboxes failed", e);
}
}
@Override
public ACLDiff updateACL(Mailbox mailbox, MailboxACL.ACLCommand mailboxACLCommand) throws MailboxException {
MailboxACL oldACL = mailbox.getACL();
MailboxACL newACL = mailbox.getACL().apply(mailboxACLCommand);
mailbox.setACL(newACL);
return ACLDiff.computeDiff(oldACL, newACL);
}
@Override
public ACLDiff setACL(Mailbox mailbox, MailboxACL mailboxACL) throws MailboxException {
MailboxACL oldMailboxAcl = mailbox.getACL();
mailbox.setACL(mailboxACL);
return ACLDiff.computeDiff(oldMailboxAcl, mailboxACL);
}
@Override
public List findNonPersonalMailboxes(String userName, Right right) throws MailboxException {
return ImmutableList.of();
}
}
