/*
 *  RapidMiner
 *
 *  Copyright (C) 2001-2014 by RapidMiner and the contributors
 *
 *  Complete list of developers available at our web site:
 *
 *       http://rapidminer.com
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU Affero General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program 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 Affero General Public License for more details.
 *
 *  You should have received a copy of the GNU Affero General Public License
 *  along with this program.  If not, see http://www.gnu.org/licenses/.
 */
package com.rapidminer.tools;

import java.util.Date;
import java.util.Map;
import java.util.Map.Entry;
import java.util.logging.Level;

import javax.mail.Message;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.MimeMessage;

/**
 * Sends a mail via SMTP.
 * 
 * @author Simon Fischer, Ingo Mierswa
 */
public class MailSenderSMTP implements MailSender {

	public void sendEmail(String address, String subject, String content, Map<String,String> headers) throws Exception {
		Session session = MailUtilities.makeSession();
		if (session == null) {
			//LogService.getRoot().warning("Unable to create mail session. Not sending mail to "+address+".");
			LogService.getRoot().log(Level.WARNING, "com.rapidminer.tools.MailSenderSMTP.creating_mail_session_error", address);
		}
		MimeMessage msg = new MimeMessage(session);				
		msg.setRecipients(Message.RecipientType.TO, address);
		msg.setFrom();
		msg.setSubject(subject, "UTF-8");
		msg.setSentDate(new Date());
		msg.setText(content, "UTF-8");

		if (headers != null) {
			for (Entry<String, String> header : headers.entrySet()) {
				msg.setHeader(header.getKey(), header.getValue());
			}
		}
		Transport.send(msg);
	}
}