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Send email out
/**
* Vosao CMS. Simple CMS for Google App Engine.
*
* Copyright (C) 2009-2010 Vosao development team.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* email: vosao.dev@gmail.com
*/
package org.vosao.utils;
import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
import java.util.List;
import java.util.Properties;
import javax.activation.DataHandler;
import javax.activation.DataSource;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.Multipart;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.AddressException;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeBodyPart;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeMultipart;
import javax.mail.util.ByteArrayDataSource;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
public class EmailUtil {
private static final Log logger = LogFactory.getLog(EmailUtil.class);
/**
* Send email with html content.
* @param htmlBody
* @param subject
* @param fromAddress
* @param fromText
* @param toAddress
* @return null if OK or error message.
*/
public static String sendEmail(final String htmlBody, final String subject,
final String fromAddress, final String fromText,
final String toAddress) {
return sendEmail(htmlBody, subject, fromAddress, fromText, toAddress,
new ArrayList<FileItem>());
}
/**
* Send email with html content and attachments.
* @param htmlBody
* @param subject
* @param fromAddress
* @param fromText
* @param toAddress
* @return null if OK or error message.
*/
public static String sendEmail(final String htmlBody, final String subject,
final String fromAddress, final String fromText,
final String toAddress, final List<FileItem> files) {
Properties props = new Properties();
Session session = Session.getDefaultInstance(props, null);
try {
Multipart mp = new MimeMultipart();
MimeBodyPart htmlPart = new MimeBodyPart();
htmlPart.setContent(htmlBody, "text/html");
htmlPart.setHeader("Content-type", "text/html; charset=UTF-8");
mp.addBodyPart(htmlPart);
for (FileItem item : files) {
MimeBodyPart attachment = new MimeBodyPart();
attachment.setFileName(item.getFilename());
String mimeType = MimeType.getContentTypeByExt(
FolderUtil.getFileExt(item.getFilename()));
DataSource ds = new ByteArrayDataSource(item.getData(), mimeType);
attachment.setDataHandler(new DataHandler(ds));
mp.addBodyPart(attachment);
}
MimeMessage msg = new MimeMessage(session);
msg.setFrom(new InternetAddress(fromAddress, fromText));
msg.addRecipient(Message.RecipientType.TO,
new InternetAddress(toAddress, toAddress));
msg.setSubject(subject, "UTF-8");
msg.setContent(mp);
Transport.send(msg);
return null;
} catch (AddressException e) {
return e.getMessage();
} catch (MessagingException e) {
return e.getMessage();
} catch (UnsupportedEncodingException e) {
return e.getMessage();
}
}
}
