io.mapzone.controller.email.EmailService.java Source code

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Here is the source code for io.mapzone.controller.email.EmailService.java

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/* 
 * mapzone.io
 * Copyright (C) 2013, Falko Brutigam. All rights reserved.
 *
 * This 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 3.0 of
 * the License, or (at your option) any later version.
 *
 * This software 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.
 */
package io.mapzone.controller.email;

import java.util.Map;

import org.apache.commons.lang3.StringUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.commons.mail.DefaultAuthenticator;
import org.apache.commons.mail.Email;
import org.apache.commons.mail.EmailException;

import org.polymap.core.runtime.CachedLazyInit;
import org.polymap.core.runtime.Lazy;

/**
 * 
 *
 * @author <a href="http://www.polymap.de">Falko Brutigam</a>
 */
public class EmailService {

    private static Log log = LogFactory.getLog(EmailService.class);

    /** One, global email service per VM. */
    private static final Lazy<EmailService> instance = new CachedLazyInit(() -> new EmailService());

    public static EmailService instance() {
        return instance.get();
    }

    // instance ******************************************* 

    public void send(Email email) throws EmailException {
        String env = System.getProperty("io.mapzone.controller.SMTP");
        if (env == null) {
            throw new IllegalStateException(
                    "Environment variable missing: io.mapzone.controller.SMTPP. Format: <host>|<login>|<passwd>|<from>");
        }
        String[] parts = StringUtils.split(env, "|");
        if (parts.length < 3 || parts.length > 4) {
            throw new IllegalStateException(
                    "Environment variable wrong: io.mapzone.controller.SMTP. Format: <host>|<login>|<passwd>|<from> : "
                            + env);
        }

        email.setDebug(true);
        email.setHostName(parts[0]);
        //email.setSmtpPort( 465 );
        //email.setSSLOnConnect( true );
        email.setAuthenticator(new DefaultAuthenticator(parts[1], parts[2]));
        if (email.getFromAddress() == null && parts.length == 4) {
            email.setFrom(parts[3]);
        }
        if (email.getSubject() == null) {
            throw new EmailException("Missing subject.");
        }
        email.send();
    }

    public void send(String templateName, Map<String, String> replacements) {
        //        Session session = Session.getDefaultInstance(properties);
        //
        //        try{
        //           // Create a default MimeMessage object.
        //           MimeMessage message = new MimeMessage(session);
        //
        //           // Set From: header field of the header.
        //           message.setFrom(new InternetAddress(from));
        //
        //           // Set To: header field of the header.
        //           message.addRecipient(Message.RecipientType.TO,
        //                                    new InternetAddress(to));
        //
        //           // Set Subject: header field
        //           message.setSubject("This is the Subject Line!");
        //
        //           // Now set the actual message
        //           message.setText("This is actual message");
        //
        //           // Send message
        //           Transport.send(message);
        //           System.out.println("Sent message successfully....");
        //        }catch (MessagingException mex) {
        //           mex.printStackTrace();
        //        }
    }
}