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JAMES-1818 Introduce MailboxFactory to simplify MailboxUtils
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Raphael Ouazana
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Sep 5, 2016
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server/protocols/jmap/src/main/java/org/apache/james/jmap/model/MailboxFactory.java
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| /**************************************************************** | ||
| * 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.apache.james.jmap.model; | ||
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| import java.util.List; | ||
| import java.util.Optional; | ||
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| import javax.inject.Inject; | ||
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| import org.apache.james.jmap.model.mailbox.Mailbox; | ||
| import org.apache.james.jmap.model.mailbox.Role; | ||
| import org.apache.james.jmap.model.mailbox.SortOrder; | ||
| import org.apache.james.mailbox.MailboxManager; | ||
| import org.apache.james.mailbox.MailboxSession; | ||
| import org.apache.james.mailbox.MessageManager; | ||
| import org.apache.james.mailbox.exception.MailboxException; | ||
| import org.apache.james.mailbox.model.MailboxId; | ||
| import org.apache.james.mailbox.model.MailboxPath; | ||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
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|
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| import com.google.common.annotations.VisibleForTesting; | ||
| import com.google.common.base.Splitter; | ||
|
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| public class MailboxFactory { | ||
| private static final boolean DONT_RESET_RECENT = false; | ||
| private static final Logger LOGGER = LoggerFactory.getLogger(MailboxFactory.class); | ||
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| private final MailboxManager mailboxManager; | ||
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| @Inject | ||
| public MailboxFactory(MailboxManager mailboxManager) { | ||
| this.mailboxManager = mailboxManager; | ||
| } | ||
|
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| public Optional<Mailbox> fromMailboxPath(MailboxPath mailboxPath, MailboxSession mailboxSession) { | ||
| try { | ||
| MessageManager mailbox = mailboxManager.getMailbox(mailboxPath, mailboxSession); | ||
| return fromMessageManager(mailbox, mailboxSession); | ||
| } catch (MailboxException e) { | ||
| LOGGER.warn("Cannot find mailbox for: " + mailboxPath.getName(), e); | ||
| return Optional.empty(); | ||
| } | ||
| } | ||
|
|
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| public Optional<Mailbox> fromMailboxId(MailboxId mailboxId, MailboxSession mailboxSession) { | ||
| try { | ||
| MessageManager mailbox = mailboxManager.getMailbox(mailboxId, mailboxSession); | ||
| return fromMessageManager(mailbox, mailboxSession); | ||
| } catch (MailboxException e) { | ||
| return Optional.empty(); | ||
| } | ||
| } | ||
|
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| private Optional<Mailbox> fromMessageManager(MessageManager messageManager, MailboxSession mailboxSession) throws MailboxException { | ||
| MailboxPath mailboxPath = messageManager.getMailboxPath(); | ||
| Optional<Role> role = Role.from(mailboxPath.getName()); | ||
| MessageManager.MetaData mailboxMetaData = getMailboxMetaData(messageManager, mailboxSession); | ||
| return Optional.ofNullable(Mailbox.builder() | ||
| .id(messageManager.getId()) | ||
| .name(getName(mailboxPath, mailboxSession)) | ||
| .parentId(getParentIdFromMailboxPath(mailboxPath, mailboxSession).orElse(null)) | ||
| .role(role) | ||
| .unreadMessages(mailboxMetaData.getUnseenCount()) | ||
| .totalMessages(mailboxMetaData.getMessageCount()) | ||
| .sortOrder(SortOrder.getSortOrder(role)) | ||
| .build()); | ||
| } | ||
|
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| private MessageManager.MetaData getMailboxMetaData(MessageManager messageManager, MailboxSession mailboxSession) throws MailboxException { | ||
| return messageManager.getMetaData(DONT_RESET_RECENT, mailboxSession, MessageManager.MetaData.FetchGroup.UNSEEN_COUNT); | ||
| } | ||
|
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| @VisibleForTesting String getName(MailboxPath mailboxPath, MailboxSession mailboxSession) { | ||
| String name = mailboxPath.getName(); | ||
| if (name.contains(String.valueOf(mailboxSession.getPathDelimiter()))) { | ||
| List<String> levels = Splitter.on(mailboxSession.getPathDelimiter()).splitToList(name); | ||
| return levels.get(levels.size() - 1); | ||
| } | ||
| return name; | ||
| } | ||
|
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| @VisibleForTesting Optional<MailboxId> getParentIdFromMailboxPath(MailboxPath mailboxPath, MailboxSession mailboxSession) throws MailboxException { | ||
| List<MailboxPath> levels = mailboxPath.getHierarchyLevels(mailboxSession.getPathDelimiter()); | ||
| if (levels.size() <= 1) { | ||
| return Optional.empty(); | ||
| } | ||
| MailboxPath parent = levels.get(levels.size() - 2); | ||
| return Optional.of(getMailboxId(parent, mailboxSession)); | ||
| } | ||
|
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| private MailboxId getMailboxId(MailboxPath mailboxPath, MailboxSession mailboxSession) throws MailboxException { | ||
| return mailboxManager.getMailbox(mailboxPath, mailboxSession) | ||
| .getId(); | ||
| } | ||
| } |
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