jodd.mail.EMLComposer Maven / Gradle / Ivy
// Copyright (c) 2003-present, Jodd Team (http://jodd.org)
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
package jodd.mail;
import javax.mail.Address;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.URLName;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.OutputStream;
public class EMLComposer extends EMLProperties {
public static EMLComposer create() {
return new EMLComposer();
}
/**
* Creates EML string from given {@link Email}.
*
* @param email {@link Email} from which to create EML {@link String}.
* @return {@link String} with EML content.
*/
public String compose(final Email email) {
if (getSession() == null) {
createSession(getProperties());
}
final OutputStreamTransport ost = new OutputStreamTransport(getSession());
final SendMailSession sendMailSession = new SendMailSession(getSession(), ost);
sendMailSession.sendMail(email);
return ost.getEml();
}
/**
* Special transport that writes message into the {@link OutputStream}.
*/
private static class OutputStreamTransport extends Transport {
/**
* Creates a new {@link OutputStreamTransport}.
*
* @param session {@link Session}.
*/
public OutputStreamTransport(final Session session) {
super(session, new URLName("JODD_MAIL_2_EML", null, -1, null, null, null));
}
/**
* Sends a message.
*
* @param msg {@link Message} to send.
* @param addresses array of {@link Address}es to send to.
*/
@Override
public void sendMessage(final Message msg, final Address[] addresses) {
final ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
try {
msg.writeTo(outputStream);
} catch (IOException | MessagingException e) {
throw new MailException(e);
}
eml = outputStream.toString();
}
/**
* Returns the EML content.
*
* @return EML content.
*/
public String getEml() {
return eml;
}
/**
* String with EML content.
*/
private String eml;
}
}