/*
===========================================================================
Copyright (c) 2013 3PillarGlobal
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sub-license, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
===========================================================================
*/
package com._3pillarglobal.labs.meeting.email;
import java.io.ByteArrayInputStream;
import java.util.Date;
import java.util.List;
import java.util.Properties;
import javax.activation.DataHandler;
import javax.mail.Message;
import javax.mail.Multipart;
import javax.mail.PasswordAuthentication;
import javax.mail.Session;
import javax.mail.Transport;
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;
import com._3pillarglobal.labs.meeting.Invite;
import com._3pillarglobal.labs.meeting.Participant;
import com._3pillarglobal.labs.meeting.exception.ConfigurationException;
/**
* It provides functionality to send invitation through email. Attendees will
* receive a calendar invite.
*
* @author tarun.nagpal
*
*/
public class EmailInviteImpl implements Invite {
Properties properties;
String username;
String password;
private final Log LOG = LogFactory.getLog(this.getClass());
/**
* Constructs an instance of this class. It accepts mail configuration
* properties.
*
* @param properties
* the mail configuration properties. Properties should contain
* <code>mail.smtp.host</code>,
* <code>mail.smtp.socketFactory.port</code>,
* <code>mail.smtp.socketFactory.class</code>,
* <code>mail.smtp.auth</code>, <code>mail.smtp.port</code>,
* <code>username</code>, <code>password</code>.
*/
public EmailInviteImpl(final Properties properties) {
this.properties = properties;
username = properties.getProperty("username");
password = properties.getProperty("password");
}
@Override
public void validate() throws ConfigurationException {
LOG.info("Validating configuration properties for email");
if (properties == null) {
throw new ConfigurationException("Properties can not be null");
}
if (properties.get("mail.smtp.host") == null) {
throw new ConfigurationException(
"Property mail.smtp.host is not given");
}
if (properties.get("mail.smtp.port") == null) {
throw new ConfigurationException(
"Property mail.smtp.port is not given");
}
if ("true".equals(properties.get("mail.smtp.auth"))) {
if (properties.get("username") == null) {
throw new ConfigurationException("Username is not given");
}
if (properties.get("password") == null) {
throw new ConfigurationException("Password is not given");
}
}
}
@Override
public void sendInvite(final String subject, final String description,
final Participant from, final List<Participant> attendees,
final Date startDate, final Date endDate, final String location)
throws Exception {
this.properties.put("mail.smtp.socketFactory.port",
properties.get("mail.smtp.port"));
this.properties.put("mail.smtp.socketFactory.class",
"javax.net.ssl.SSLSocketFactory");
this.properties.put("mail.smtp.socketFactory.fallback", "false");
validate();
LOG.info("Sending meeting invite");
LOG.debug("Mail Properties :: " + this.properties);
Session session;
if (password != null) {
session = Session.getInstance(this.properties,
new javax.mail.Authenticator() {
@Override
protected PasswordAuthentication getPasswordAuthentication() {
return new PasswordAuthentication(username,
password);
}
});
} else {
session = Session.getInstance(this.properties);
}
ICal cal = new ICal(subject, description, from, attendees, startDate,
endDate, location);
cal.init();
StringBuffer sb = new StringBuffer();
sb.append(from.getEmail());
for (Participant bean : attendees) {
if (sb.length() > 0) {
sb.append(",");
}
sb.append(bean.getEmail());
}
MimeMessage message = new MimeMessage(session);
message.setFrom(new InternetAddress(from.getEmail()));
message.setRecipients(Message.RecipientType.TO,
InternetAddress.parse(sb.toString()));
message.setSubject(subject);
Multipart multipart = new MimeMultipart();
MimeBodyPart iCal = new MimeBodyPart();
iCal.setDataHandler(new DataHandler(new ByteArrayDataSource(
new ByteArrayInputStream(cal.toByteArray()),
"text/calendar;method=REQUEST;charset=\"UTF-8\"")));
LOG.debug("Calender Request :: \n" + cal.toString());
multipart.addBodyPart(iCal);
message.setContent(multipart);
Transport.send(message);
}
}