jodd.mail.EMLProperties 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.Session;
import java.util.Properties;
abstract class EMLProperties> {
@SuppressWarnings("unchecked")
protected T _this() {
return (T) this;
}
/**
* {@link Properties}.
*/
private Session session;
/**
* Returns the {@link Session}.
*
* @return the {@link Session}.
*/
protected Session getSession() {
return session;
}
/**
* Custom {@link Properties}.
*/
private final Properties properties = new Properties();
/**
* Returns the {@link Properties}.
*
* @return the {@link Properties}.
*/
protected Properties getProperties() {
return properties;
}
/**
* Creates new {@link Session} with or without custom {@link Properties}.
*
* @param properties Custom properties to be used during {@link Session} creation. It is acceptable is this value is {@code null}.
* @return {@link Session} with any custom {@link Properties}
*/
protected Session createSession(Properties properties) {
if (properties == null) {
properties = System.getProperties();
}
this.session = Session.getInstance(properties);
return session;
}
/**
* Copies properties from given set. If {@link Session} is already created, exception will be thrown.
*
* @param properties {@link Properties} to set.
* @return this
* @throws MailException if the {@link Properties} has already been set.
*/
public T set(final Properties properties) throws MailException {
checkSessionNotSet();
this.properties.putAll(properties);
return _this();
}
/**
* Sets property for the {@link Session}. If {@link Session} is already created, an exception
* will be thrown.
*
* @param name Property name to set.
* @param value Property value to set.
* @return this
* @throws MailException if the {@link Properties} has already been set.
*/
public T set(final String name, final String value) {
checkSessionNotSet();
properties.setProperty(name, value);
return _this();
}
/**
* Uses default {@link Session}. Any property will be ignored.
*
* @return this
* @see System#getProperties()
*/
public T useDefaultSession() {
this.session = Session.getDefaultInstance(System.getProperties());
return _this();
}
/**
* Ensures that {@link Session} has not yet been set.
*
* @throws MailException if {@link Session} has already been set.
*/
private void checkSessionNotSet() throws MailException {
if (session != null) {
throw new MailException("Can't set properties after session is assigned");
}
}
}