jodd.mail.EMLComposer Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of jodd-all Show documentation
Show all versions of jodd-all Show documentation
Jodd bundle - all classes in one jar
// 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.util.Properties;
public class EMLComposer {
public static EMLComposer create() {
return new EMLComposer();
}
protected Session session;
protected Properties properties;
/**
* Assigns custom session. Any property will be ignored.
*/
public EMLComposer session(Session session) {
this.session = session;
return this;
}
/**
* Uses default session. Any property will be ignored.
*/
public EMLComposer defaultSession() {
this.session = Session.getDefaultInstance(System.getProperties());
return this;
}
/**
* Copies properties from given set. If session is already created,
* exception will be thrown.
*/
public EMLComposer set(Properties properties) {
initProperties();
this.properties.putAll(properties);
return this;
}
/**
* Sets property for the session. If session is already created, exception
* will be thrown.
*/
public EMLComposer set(String name, String value) {
initProperties();
properties.setProperty(name, value);
return this;
}
/**
* Creates EML string from given Email.
*/
public String compose(Email email) {
if (session == null) {
session = createSession(properties);
}
OutputStreamTransport ost = new OutputStreamTransport(session);
SendMailSession sendMailSession = new SendMailSession(session, ost);
sendMailSession.sendMail(email);
return ost.getEml();
}
protected void initProperties() {
if (session != null) {
throw new MailException("Can't set properties after session is assigned");
}
if (properties == null) {
properties = new Properties();
}
}
/**
* Creates new session with or without custom properties.
*/
protected Session createSession(Properties properties) {
if (properties == null) {
properties = System.getProperties();
}
return Session.getInstance(properties);
}
/**
* Special transport that writes message into the output stream.
*/
private static class OutputStreamTransport extends Transport {
public OutputStreamTransport(Session session) {
super(session, new URLName("JODD_MAIL_2_EML", null, -1, null, null, null));
}
@Override
public void sendMessage(Message msg, Address[] addresses) throws MessagingException {
ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
try {
msg.writeTo(outputStream);
}
catch (IOException e) {
throw new MailException(e);
}
eml = outputStream.toString();
}
public String getEml() {
return eml;
}
private String eml;
}
}