mirror of
https://github.com/Alfresco/alfresco-community-repo.git
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3cc38f4289
git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@14279 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
509 lines
20 KiB
Java
Executable File
509 lines
20 KiB
Java
Executable File
/*
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* Copyright (C) 2005-2009 Alfresco Software Limited.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* As a special exception to the terms and conditions of version 2.0 of
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* the GPL, you may redistribute this Program in connection with Free/Libre
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* and Open Source Software ("FLOSS") applications as described in Alfresco's
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* FLOSS exception. You should have recieved a copy of the text describing
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* the FLOSS exception, and it is also available here:
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* http://www.alfresco.com/legal/licensing"
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*/
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package org.alfresco.repo.imap;
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import static org.alfresco.repo.imap.AlfrescoImapConst.BASE_64_ENCODING;
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import static org.alfresco.repo.imap.AlfrescoImapConst.CONTENT_ID;
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import static org.alfresco.repo.imap.AlfrescoImapConst.CONTENT_TRANSFER_ENCODING;
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import static org.alfresco.repo.imap.AlfrescoImapConst.CONTENT_TYPE;
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import static org.alfresco.repo.imap.AlfrescoImapConst.MIME_VERSION;
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import static org.alfresco.repo.imap.AlfrescoImapConst.UTF_8;
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import static org.alfresco.repo.imap.AlfrescoImapConst.X_ALF_NODEREF_ID;
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import static org.alfresco.repo.imap.AlfrescoImapConst.X_ALF_SERVER_UID;
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import java.io.IOException;
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import java.io.Serializable;
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import java.io.UnsupportedEncodingException;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.Properties;
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import javax.activation.DataHandler;
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import javax.activation.DataSource;
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import javax.mail.Address;
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import javax.mail.Flags;
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import javax.mail.MessagingException;
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import javax.mail.Multipart;
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import javax.mail.Session;
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import javax.mail.internet.AddressException;
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import javax.mail.internet.ContentType;
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import javax.mail.internet.InternetAddress;
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import javax.mail.internet.MimeBodyPart;
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import javax.mail.internet.MimeMessage;
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import javax.mail.internet.MimeMultipart;
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import javax.mail.internet.MimeUtility;
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import javax.mail.util.ByteArrayDataSource;
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import org.alfresco.i18n.I18NUtil;
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import org.alfresco.model.ContentModel;
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import org.alfresco.model.ImapModel;
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import org.alfresco.repo.imap.ImapHelper.EmailBodyType;
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import org.alfresco.service.cmr.model.FileInfo;
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import org.alfresco.service.cmr.repository.ContentReader;
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import org.alfresco.service.cmr.repository.NodeRef;
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import org.alfresco.service.namespace.QName;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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/**
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* Extended MimeMessage to represent a content stored in the Alfresco repository.
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*
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* @author Arseny Kovalchuk
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*/
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public class AlfrescoImapMessage extends MimeMessage
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{
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/** Used if imapHelper.getDefaultFromAddress is not set */
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private static final String DEFAULT_EMAIL_FROM = "alfresco@alfresco.org";
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private static final String DEFAULT_EMAIL_TO = DEFAULT_EMAIL_FROM;
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private static final String KOI8R_CHARSET = "koi8-r";
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private static Log logger = LogFactory.getLog(AlfrescoImapMessage.class);
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private ImapHelper imapHelper;
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private FileInfo messageInfo;
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/**
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* Constructs {@link AlfrescoImapMessage} object.
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*
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* @param fileInfo - reference to the {@link FileInfo} object representing the message.
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* @param imapHelper - reference to the {@link ImapHelper} object.
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* @param generateBody - if {@code true} message body will be generated.
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*
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* @throws MessagingException if generation of the body fails.
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*/
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public AlfrescoImapMessage(FileInfo fileInfo, ImapHelper imapHelper, boolean generateBody) throws MessagingException
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{
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super(Session.getDefaultInstance(new Properties()));
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this.messageInfo = fileInfo;
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this.imapHelper = imapHelper;
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if (generateBody)
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{
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setMessageHeaders();
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buildMessage();
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}
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}
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/**
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* Constructs {@link AlfrescoImapMessage} object.
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*
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* @param fileInfo - reference to the {@link FileInfo} object representing the message.
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* @param imapHelper - reference to the {@link ImapHelper} object.
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* @param message - {@link MimeMessage}
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* @throws MessagingException
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*/
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public AlfrescoImapMessage(FileInfo fileInfo, ImapHelper imapHelper, MimeMessage message) throws MessagingException
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{
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super(message);
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this.messageInfo = fileInfo;
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this.imapHelper = imapHelper;
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setMessageHeaders();
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final NodeRef nodeRef = fileInfo.getNodeRef();
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Map<QName, Serializable> props = new HashMap<QName, Serializable>();
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props.put(ImapModel.PROP_MESSAGE_FROM, InternetAddress.toString(message.getFrom()));
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props.put(ImapModel.PROP_MESSAGE_TO, InternetAddress.toString(message.getRecipients(RecipientType.TO)));
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props.put(ImapModel.PROP_MESSAGE_CC, InternetAddress.toString(message.getRecipients(RecipientType.CC)));
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String[] subj = message.getHeader("Subject");
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if (subj.length > 0)
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{
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props.put(ImapModel.PROP_MESSAGE_SUBJECT, subj[0]);
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imapHelper.getNodeService().setProperty(nodeRef, ContentModel.PROP_DESCRIPTION, subj[0]);
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}
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Map<QName, Serializable> allprops = imapHelper.getNodeService().getProperties(fileInfo.getNodeRef());
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allprops.putAll(props);
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imapHelper.getNodeService().setProperties(nodeRef, allprops);
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// setContent(buildMultipart(fileInfo)); - disabled for better performance.
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}
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/**
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* Returns message flags.
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*
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* @return {@link Flags}
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*/
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@Override
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public synchronized Flags getFlags()
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{
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return imapHelper.getFlags(messageInfo);
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}
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/**
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* Sets message flags.
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*
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* @param flags - {@link Flags} object.
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* @param value - flags value.
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*/
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@Override
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public synchronized void setFlags(Flags flags, boolean value) throws MessagingException
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{
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imapHelper.setFlags(messageInfo, flags, value);
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}
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/**
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* Returns {@link FileInfo} object representing message in Alfresco.
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*
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* @return reference to the {@link FileInfo} object.
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*/
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public FileInfo getMessageInfo()
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{
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return messageInfo;
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}
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private void setMessageHeaders() throws MessagingException
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{
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setHeader(MIME_VERSION, "1.0");
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// Optional headers for further implementation of multiple Alfresco server support.
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setHeader(X_ALF_NODEREF_ID, messageInfo.getNodeRef().getId());
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setHeader(X_ALF_SERVER_UID, imapHelper.getAlfrescoServerUID());
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}
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/**
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* This method builds MimeMessage based on either ImapModel or ContentModel type.
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*
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* @param fileInfo - Source file information {@link FileInfo}
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* @throws MessagingException
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*/
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private void buildMessage() throws MessagingException
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{
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final NodeRef nodeRef = messageInfo.getNodeRef();
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if (ImapModel.TYPE_IMAP_CONTENT.equals(imapHelper.getNodeService().getType(nodeRef)))
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{
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buildImapModelMessage();
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}
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else
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{
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buildContentModelMessage();
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}
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}
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/**
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* This method builds MimeMessage based on {@link ImapModel}
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*
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* @param fileInfo - Source file information {@link FileInfo}
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* @throws MessagingException
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*/
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private void buildImapModelMessage() throws MessagingException
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{
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Map<QName, Serializable> properties = messageInfo.getProperties();
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setSentDate(messageInfo.getModifiedDate());
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String prop = (String) properties.get(ImapModel.PROP_MESSAGE_FROM);
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addFromInternal(prop);
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prop = (String) properties.get(ImapModel.PROP_MESSAGE_TO);
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if (prop != null && prop.length() > 0)
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{
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addRecipients(RecipientType.TO, InternetAddress.parse(prop));
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}
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else
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{
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addRecipients(RecipientType.TO, DEFAULT_EMAIL_TO);
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}
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prop = (String) properties.get(ImapModel.PROP_MESSAGE_CC);
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if (prop != null && prop.length() > 0)
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{
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addRecipients(RecipientType.CC, InternetAddress.parse(prop));
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}
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prop = (String) properties.get(ImapModel.PROP_MESSAGE_SUBJECT);
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setSubject(prop == null ? messageInfo.getName() : prop);
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setContent(buildImapModelMultipart());
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}
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/**
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* This method builds {@link MimeMessage} based on {@link ContentModel}
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*
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* @param fileInfo - Source file information {@link FileInfo}
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* @throws MessagingException
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*/
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private void buildContentModelMessage() throws MessagingException
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{
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Map<QName, Serializable> properties = messageInfo.getProperties();
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String prop = null;
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setSentDate(messageInfo.getModifiedDate());
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// Add FROM address
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Address[] addressList = buildSenderFromAddress(properties);
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addFrom(addressList);
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// Add TO address
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addressList = buildRecipientToAddress();
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addRecipients(RecipientType.TO, addressList);
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prop = (String) properties.get(ContentModel.PROP_TITLE);
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try
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{
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prop = (prop == null) ? MimeUtility.encodeText(messageInfo.getName(), KOI8R_CHARSET, null) : MimeUtility.encodeText(prop, KOI8R_CHARSET, null);
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}
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catch (UnsupportedEncodingException e)
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{
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// ignore
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}
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setSubject(prop);
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setContent(buildContentModelMultipart());
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}
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/**
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* This method builds {@link Multipart} based on {@link ContentModel}
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*
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* @param fileInfo - Source file information {@link FileInfo}
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* @throws MessagingException
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*/
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private Multipart buildContentModelMultipart() throws MessagingException
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{
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MimeMultipart rootMultipart = new MimeMultipart("alternative");
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// Cite MOB-395: "email agent will be used to select an appropriate template" - we are not able to
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// detect an email agent so we use a default template for all messages.
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// See AlfrescoImapConst to see the possible templates to use.
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String bodyTxt = imapHelper.getEmailBodyText(messageInfo.getNodeRef(), EmailBodyType.TEXT_PLAIN);
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rootMultipart.addBodyPart(getTextBodyPart(bodyTxt, EmailBodyType.TEXT_PLAIN.getSubtype()));
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String bodyHtml = imapHelper.getEmailBodyText(messageInfo.getNodeRef(), EmailBodyType.TEXT_HTML);
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rootMultipart.addBodyPart(getTextBodyPart(bodyHtml, EmailBodyType.TEXT_HTML.getSubtype()));
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return rootMultipart;
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}
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private MimeBodyPart getTextBodyPart(String bodyText, String subtype) throws MessagingException
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{
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MimeBodyPart result = new MimeBodyPart();
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result.setText(bodyText, UTF_8, subtype);
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result.addHeader(CONTENT_TRANSFER_ENCODING, BASE_64_ENCODING);
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return result;
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}
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/**
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* This method builds {@link Multipart} based on {@link ImapModel}
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*
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* @param fileInfo - Source file information {@link FileInfo}
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* @throws MessagingException
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*/
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private Multipart buildImapModelMultipart() throws MessagingException
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{
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DataSource source = null;
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String errorMessage = null;
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// Root multipart - multipart/mixed
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MimeMultipart rootMultipart = new MimeMultipart("mixed");
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// Message body - multipart/alternative - consists of two parts: text/plain and text/html
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MimeMultipart messageBody = new MimeMultipart("alternative");
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// <------------------------ text html body part ------------------------>
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List<FileInfo> bodyHtmls = imapHelper.searchFiles(messageInfo.getNodeRef(), "*.html", ImapModel.TYPE_IMAP_BODY, false);
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ContentType contentType = null;
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MimeBodyPart textHtmlBodyPart = null;
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if (bodyHtmls != null && bodyHtmls.size() > 0)
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{
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textHtmlBodyPart = new MimeBodyPart();
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FileInfo bodyHtml = bodyHtmls.get(0);
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contentType = new ContentType(bodyHtml.getContentData().getMimetype());
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ContentReader reader = imapHelper.getFileFolderService().getReader(bodyHtml.getNodeRef());
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try
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{
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source = new ByteArrayDataSource(reader.getContentInputStream(), contentType.toString());
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}
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catch (IOException e)
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{
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logger.error(e);
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errorMessage = e.getMessage();
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}
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if (source != null)
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{
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textHtmlBodyPart.setDataHandler(new DataHandler(source));
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textHtmlBodyPart.addHeader(CONTENT_TYPE, bodyHtml.getContentData().getMimetype());
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// textHtmlBodyPart.addHeader(CONTENT_TRANSFER_ENCODING, EIGHT_BIT_ENCODING);
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textHtmlBodyPart.addHeader(CONTENT_TRANSFER_ENCODING, BASE_64_ENCODING);
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}
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else
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{
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textHtmlBodyPart.setText(errorMessage, UTF_8);
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}
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messageBody.addBodyPart(textHtmlBodyPart);
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}
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// </------------------------ text html body part ------------------------>
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// <------------------------ text plain body part ------------------------>
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List<FileInfo> results = imapHelper.searchFiles(messageInfo.getNodeRef(), "*.txt", ImapModel.TYPE_IMAP_BODY, false);
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MimeBodyPart textPlainBodyPart = null;
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String text = null;
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if (results != null && results.size() > 0)
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{
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textPlainBodyPart = new MimeBodyPart();
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FileInfo bodyTxt = results.get(0);
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text = imapHelper.getFileFolderService().getReader(bodyTxt.getNodeRef()).getContentString();
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contentType = new ContentType(bodyTxt.getContentData().getMimetype());
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}
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else if (textHtmlBodyPart == null)
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{
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text = I18NUtil.getMessage("imap.server.info.message_body_not_found");
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contentType = new ContentType(EmailBodyType.TEXT_PLAIN.getMimeType() + "; charset=UTF-8");
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}
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textPlainBodyPart.setText(text, contentType.getParameter("charset"), contentType.getSubType());
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textPlainBodyPart.addHeader(CONTENT_TYPE, contentType.toString());
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messageBody.addBodyPart(textPlainBodyPart);
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// </------------------------ text plain body part ------------------------>
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// Body part for multipart/alternative
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MimeBodyPart messageBodyPart = new MimeBodyPart();
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messageBodyPart.setContent(messageBody);
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// Add multipart/alternative into root multipart/mixed...
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rootMultipart.addBodyPart(messageBodyPart);
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// Process attachments
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List<FileInfo> attaches = imapHelper.searchFiles(messageInfo.getNodeRef(), "*", ImapModel.TYPE_IMAP_ATTACH, false);
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for (FileInfo attach : attaches)
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{
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try
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{
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errorMessage = null;
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messageBodyPart = new MimeBodyPart();
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ContentReader reader = imapHelper.getFileFolderService().getReader(attach.getNodeRef());
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source = new ByteArrayDataSource(reader.getContentInputStream(), attach.getContentData().getMimetype());
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}
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catch (IOException e)
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{
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logger.error(e);
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errorMessage = e.getMessage();
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}
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if (source != null)
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{
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String attachID = (String) imapHelper.getNodeService().getProperty(attach.getNodeRef(), ImapModel.PROP_ATTACH_ID);
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if (attachID != null)
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{
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messageBodyPart.addHeader(CONTENT_ID, attachID);
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}
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StringBuilder ct = new StringBuilder(attach.getContentData().getMimetype()).append("; name=\"").append(attach.getName()).append("\"");
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messageBodyPart.addHeader(CONTENT_TYPE, ct.toString());
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messageBodyPart.addHeader(CONTENT_TRANSFER_ENCODING, BASE_64_ENCODING);
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messageBodyPart.setDataHandler(new DataHandler(source));
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try
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{
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messageBodyPart.setFileName(MimeUtility.encodeText(attach.getName(), KOI8R_CHARSET, null));
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}
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catch (UnsupportedEncodingException e)
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{
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// ignore
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}
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}
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else
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{
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messageBodyPart.setText(errorMessage, UTF_8);
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}
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rootMultipart.addBodyPart(messageBodyPart);
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}
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return rootMultipart;
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}
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private void addFromInternal(String addressesString) throws MessagingException
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{
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if (addressesString != null)
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{
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addFrom(InternetAddress.parse(addressesString));
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}
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else
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{
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addFrom(new Address[] { new InternetAddress(DEFAULT_EMAIL_FROM) });
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}
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}
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/**
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* TODO USE CASE 2: "The To/addressee will be the first email alias found in the parent folders or a default one (TBD)". It seems to be more informative as alike
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* {@code <user>@<current.domain>}...
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*
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* @return Generated TO address {@code <user>@<current.domain>}
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* @throws AddressException
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*/
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private InternetAddress[] buildRecipientToAddress() throws AddressException
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{
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InternetAddress[] result = null;
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String defaultEmailTo = null;
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// TODO : search first email alias found in the parent folders
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// if (found) defaultEmailTo = foundAlias
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// else
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final String escapedUserName = imapHelper.getCurrentUser().replaceAll("[/,\\,@]", ".");
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final String userDomain = DEFAULT_EMAIL_TO.split("@")[1];
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defaultEmailTo = escapedUserName + "@" + userDomain;
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try
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{
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result = InternetAddress.parse(defaultEmailTo);
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}
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catch (AddressException e)
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{
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logger.error(String.format("Wrong email address '%s'.", defaultEmailTo), e);
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result = InternetAddress.parse(DEFAULT_EMAIL_TO);
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}
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return result;
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}
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/**
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* Builds the InternetAddress from the Content Author name if provided. If name not specified, it takes Content Creator name. If content creator does not exists, the default
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* from address will be returned.
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*
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* @param contentAuthor The content author full name.
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* @return Generated InternetAddress[] array.
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* @throws AddressException
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*/
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private InternetAddress[] buildSenderFromAddress(Map<QName, Serializable> properties) throws AddressException
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{
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// Generate FROM address (Content author)
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InternetAddress[] addressList = null;
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String prop = (String) properties.get(ContentModel.PROP_AUTHOR);
|
|
String defaultFromAddress = imapHelper.getDefaultFromAddress();
|
|
defaultFromAddress = defaultFromAddress == null ? DEFAULT_EMAIL_FROM : defaultFromAddress;
|
|
try
|
|
{
|
|
|
|
if (prop != null)
|
|
{
|
|
StringBuilder contentAuthor = new StringBuilder();
|
|
contentAuthor.append("\"").append(prop).append("\" <").append(defaultFromAddress).append(">");
|
|
addressList = InternetAddress.parse(contentAuthor.toString());
|
|
}
|
|
else
|
|
{
|
|
prop = (String) properties.get(ContentModel.PROP_CREATOR);
|
|
if (prop != null)
|
|
{
|
|
StringBuilder creator = new StringBuilder();
|
|
creator.append("\"").append(prop).append("\" <").append(defaultFromAddress).append(">");
|
|
addressList = InternetAddress.parse(creator.toString());
|
|
}
|
|
else
|
|
{
|
|
throw new AddressException(I18NUtil.getMessage("imap.server.error.properties_dont_exist"));
|
|
}
|
|
}
|
|
}
|
|
catch (AddressException e)
|
|
{
|
|
addressList = InternetAddress.parse(DEFAULT_EMAIL_FROM);
|
|
}
|
|
return addressList;
|
|
}
|
|
|
|
}
|