mailer.java

java编写的OCR软件

/*
    Jacson
    Copyright (C) 2003 Patrick Carl, [e-mail]
 
    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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
 
    $Id: Mailer.java 13 2005-09-28 06:02:56Z pcs $
 
 */

package de.spieleck.util;

import java.util.Properties;
import javax.mail.MessagingException;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.Message.RecipientType;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;

/**
 * This class provides methods for sending mails
 * @author  Patrick Carl
 */
public class Mailer {
    
    /**
     * sends a message via SMTP with the given settings. If user or password
     * are null, no authentification will be used.
     */
    public static void sendMail(String from, String[] to, String subject, 
    String text, String server, int port, String user, String password) 
    throws MessagingException{
        Properties props = System.getProperties();
        props.put("mail.smtp.host", server);
        props.put("mail.smtp.port", "" + port);
        Session session;
        if(user != null && password != null)
            session = Session.getDefaultInstance(props, 
            new SimpleAuthenticator(user, password));
        else
            session = Session.getDefaultInstance(props);
        
        MimeMessage msg = new MimeMessage(session);
        msg.setText(text);
        msg.setSubject(subject);
        msg.setFrom(new InternetAddress(from));
        for(int i=0, l = to.length; i < l; i++)
            msg.addRecipient(RecipientType.TO,
            new InternetAddress(to[i]));
        Transport.send(msg);
    }
}