com.github.sleroy.junit.mail.server.test.MailSender.java Source code

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Here is the source code for com.github.sleroy.junit.mail.server.test.MailSender.java

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/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 com.github.sleroy.junit.mail.server.test;

import java.util.Properties;
import java.util.UUID;

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

import org.apache.commons.io.IOUtils;

public class MailSender {

    private String host;
    private int port;

    public MailSender(String localhost, int port) {
        super();
        this.host = localhost;
        this.port = port;
    }

    /**
     * Send mail.
     *
     * @param from
     *            the from
     * @param to
     *            the to
     * @throws MessagingException
     *             the messaging exception
     */
    public void sendMail(String from, String to) throws MessagingException {
        sendMail(from, to, UUID.randomUUID().toString(), UUID.randomUUID().toString());
    }

    /**
     * Send mail.
     *
     * @param from
     *            Sender's email ID needs to be mentioned
     * @param to
     *            Recipient's email ID needs to be mentioned.
     * @param subject
     *            the subject
     * @throws MessagingException
     */
    public void sendMail(String from, String to, String subject, String body) throws MessagingException {

        // Get system properties
        Properties properties = System.getProperties();

        // Setup mail server
        properties.setProperty("mail.smtp.host", host);
        properties.setProperty("mail.smtp.port", Integer.toString(port));

        // Get the default Session object.
        Session session = Session.getDefaultInstance(properties);

        Transport transport = null;
        try {
            transport = session.getTransport();

            // 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(subject);

            // Now set the actual message
            message.setText(body);

            // Send message
            transport.send(message);
            System.out.println("Sent message successfully....");
        } finally {
            if (transport != null) {
                transport.close();
            }
        }

    }

}