org.modelibra.util.Emailer.java Source code

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Here is the source code for org.modelibra.util.Emailer.java

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/*
 * Modelibra
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package org.modelibra.util;

import java.util.Properties;

import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.NoSuchProviderException;
import javax.mail.Session;
import javax.mail.Store;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.modelibra.exception.ModelibraException;

/**
 * Emailer to send an email.
 * 
 * @version 2006-01-25
 * @author Dzenan Ridjanovic
 */
public class Emailer {

    protected static Log log = LogFactory.getLog(Emailer.class);

    private String from;

    private String to;

    private String subject;

    private String content;

    private String outServer;

    private String code;

    private String password;

    private Properties emailProperties = new Properties();

    private Session emailSession;

    private Store emailStore;

    /**
     * Sets a from address.
     * 
     * @param from
     *            from address
     */
    public void setFrom(String from) {
        this.from = from;
    }

    /**
     * Sets a to address.
     * 
     * @param to
     *            to address
     */
    public void setTo(String to) {
        this.to = to;
    }

    /**
     * Sets a message subject.
     * 
     * @param subject
     *            message subject
     */
    public void setSubject(String subject) {
        this.subject = subject;
    }

    /**
     * Sets a message content.
     * 
     * @param content
     *            message content
     */
    public void setContent(String content) {
        this.content = content;
    }

    /**
     * Sets an outgoing server.
     * 
     * @param outServer
     *            outgoing server
     */
    public void setOutServer(String outServer) {
        try {
            this.outServer = outServer;
            emailProperties.put("mail.smtp.host", outServer);
            emailSession = Session.getInstance(emailProperties);
            emailStore = emailSession.getStore("pop3");
        } catch (NoSuchProviderException e) {
            log.error("Email error : " + e.getMessage());
        }
    }

    /**
     * Sets a user code.
     * 
     * @param code
     *            user code
     */
    public void setCode(String code) {
        this.code = code;
    }

    /**
     * Sets a user password.
     * 
     * @param password
     *            user password
     */
    public void setPassword(String password) {
        this.password = password;
    }

    /**
     * Sends an email.
     * 
     * @throws dmLite
     *             exception if there is a problem
     */
    public void send() throws ModelibraException {
        try {
            MimeMessage message = new MimeMessage(emailSession);
            InternetAddress fromIA = new InternetAddress(from);
            message.setFrom(fromIA);
            InternetAddress toIA = new InternetAddress(to);
            message.addRecipient(Message.RecipientType.TO, toIA);
            message.setSubject(subject);
            message.setText(content);
            emailStore.connect(outServer, code, password);
            Transport.send(message);
            emailStore.close();
        } catch (MessagingException e) {
            throw new ModelibraException("Could not send an email: " + e.getMessage());
        } catch (IllegalStateException e) {
            throw new ModelibraException("Could not send an email: " + e.getMessage());
        }
    }

    /**
     * Sends an email.
     * 
     * @param to
     *            email to address
     * @param subject
     *            email subject
     * @param content
     *            email content
     * @throws dmLite
     *             exception if there is a problem
     */
    public void send(String to, String subject, String content) throws ModelibraException {
        setTo(to);
        setSubject(subject);
        setContent(content);
        send();
    }

    /**
     * Prepares default parameters.
     */
    private void prepareDefaults() {
        // Universite Laval
        /*
         * setFrom("dzenan.ridjanovic@sio.ulaval.ca");
         * setOutServer("hermes.ulaval.ca"); setCode("ridjanod");
         * setPassword("xxxxxxxx");
         */

        // Videotron
        setFrom("dzenan.ridjanovic@videotron.ca");
        setOutServer("relais.videotron.ca");
        setCode("vlgiiora");
        setPassword("xxxxxxxx");
    }

    public static void main(String[] args) {
        try {
            Log4jConfigurator log4jConfigurator = new Log4jConfigurator();
            log4jConfigurator.configure();

            Emailer emailer = new Emailer();
            emailer.prepareDefaults();
            String to = "dzenan.ridjanovic@fsa.ulaval.ca";
            String subject = "org.dzenanr.utils.Emailer: javamail test";
            String content = "It works!";
            emailer.send(to, subject, content);
            log.info(to + " -- " + subject + ": " + content);
        } catch (ModelibraException e) {
            log.error("Error in Emailer.main: " + e.getMessage());
        }
    }

}