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| * regarding copyright ownership. The ASF licenses this file * |
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| * "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 * |
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| * specific language governing permissions and limitations * |
| * under the License. * |
| ****************************************************************/ |
| package org.apache.james.jmap.http; |
| |
| import static org.apache.james.util.FunctionalUtils.negate; |
| import static org.apache.james.util.ReactorUtils.DEFAULT_CONCURRENCY; |
| |
| import java.util.Optional; |
| import java.util.function.Function; |
| |
| import javax.inject.Inject; |
| |
| import org.apache.james.mailbox.DefaultMailboxes; |
| import org.apache.james.mailbox.MailboxManager; |
| import org.apache.james.mailbox.MailboxSession; |
| import org.apache.james.mailbox.SubscriptionManager; |
| import org.apache.james.mailbox.exception.MailboxException; |
| import org.apache.james.mailbox.exception.MailboxExistsException; |
| import org.apache.james.mailbox.model.MailboxId; |
| import org.apache.james.mailbox.model.MailboxPath; |
| import org.apache.james.metrics.api.MetricFactory; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import com.google.common.annotations.VisibleForTesting; |
| |
| import reactor.core.publisher.Flux; |
| import reactor.core.publisher.Mono; |
| import reactor.core.scheduler.Schedulers; |
| |
| public class DefaultMailboxesProvisioner { |
| private static final Logger LOGGER = LoggerFactory.getLogger(DefaultMailboxesProvisioner.class); |
| private final MailboxManager mailboxManager; |
| private final SubscriptionManager subscriptionManager; |
| private final MetricFactory metricFactory; |
| |
| @Inject |
| @VisibleForTesting |
| public DefaultMailboxesProvisioner(MailboxManager mailboxManager, |
| SubscriptionManager subscriptionManager, |
| MetricFactory metricFactory) { |
| this.mailboxManager = mailboxManager; |
| this.subscriptionManager = subscriptionManager; |
| this.metricFactory = metricFactory; |
| } |
| |
| public Mono<Void> createMailboxesIfNeeded(MailboxSession session) { |
| return metricFactory.decorateSupplierWithTimerMetric("JMAP-mailboxes-provisioning", |
| () -> createDefaultMailboxes(session)); |
| } |
| |
| private Mono<Void> createDefaultMailboxes(MailboxSession session) { |
| return Flux.fromIterable(DefaultMailboxes.DEFAULT_MAILBOXES) |
| .map(toMailboxPath(session)) |
| .filterWhen(mailboxPath -> mailboxDoesntExist(mailboxPath, session), DEFAULT_CONCURRENCY) |
| .concatMap(mailboxPath -> Mono.fromRunnable(() -> createMailbox(mailboxPath, session)) |
| .subscribeOn(Schedulers.elastic())) |
| .then(); |
| } |
| |
| private Mono<Boolean> mailboxDoesntExist(MailboxPath mailboxPath, MailboxSession session) { |
| try { |
| return Mono.from(mailboxManager.mailboxExists(mailboxPath, session)) |
| .map(negate()); |
| } catch (MailboxException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| |
| private Function<String, MailboxPath> toMailboxPath(MailboxSession session) { |
| return mailbox -> MailboxPath.forUser(session.getUser(), mailbox); |
| } |
| |
| private void createMailbox(MailboxPath mailboxPath, MailboxSession session) { |
| try { |
| Optional<MailboxId> mailboxId = mailboxManager.createMailbox(mailboxPath, session); |
| if (mailboxId.isPresent()) { |
| subscriptionManager.subscribe(session, mailboxPath.getName()); |
| } |
| LOGGER.info("Provisioning {}. {} created.", mailboxPath, mailboxId); |
| } catch (MailboxExistsException e) { |
| LOGGER.info("Mailbox {} have been created concurrently", mailboxPath); |
| } catch (MailboxException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| } |