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/*
* Copyright 2013 gitblit.com.
*
* 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 com.gitblit.manager;
import java.text.MessageFormat;
import java.util.Collection;
import java.util.List;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.internet.MimeBodyPart;
import javax.mail.internet.MimeMultipart;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.gitblit.IStoredSettings;
import com.gitblit.Keys;
import com.gitblit.service.MailService;
/**
* The notification manager dispatches notifications. Currently, email is the
* only supported transport, however there is no reason why other transports
* could be supported (tweets, irc, sms, etc).
*
* @author James Moger
*
*/
public class NotificationManager implements INotificationManager {
private final Logger logger = LoggerFactory.getLogger(getClass());
private final ScheduledExecutorService scheduledExecutor = Executors.newScheduledThreadPool(1);
private final IStoredSettings settings;
private final MailService mailExecutor;
public NotificationManager(IStoredSettings settings) {
this.settings = settings;
this.mailExecutor = new MailService(settings);
}
@Override
public NotificationManager start() {
if (mailExecutor.isReady()) {
int period = 2;
logger.info("Mail service will process the queue every {} minutes.", period);
scheduledExecutor.scheduleAtFixedRate(mailExecutor, 1, period, TimeUnit.MINUTES);
} else {
logger.warn("Mail service disabled.");
}
return this;
}
@Override
public NotificationManager stop() {
scheduledExecutor.shutdownNow();
return this;
}
/**
* Notify the administrators by email.
*
* @param subject
* @param message
*/
@Override
public void sendMailToAdministrators(String subject, String message) {
List<String> toAddresses = settings.getStrings(Keys.mail.adminAddresses);
sendMail(subject, message, toAddresses);
}
/**
* Notify users by email of something.
*
* @param subject
* @param message
* @param toAddresses
*/
@Override
public void sendMail(String subject, String message, Collection<String> toAddresses) {
this.sendMail(subject, message, toAddresses.toArray(new String[0]));
}
/**
* Notify users by email of something.
*
* @param subject
* @param message
* @param toAddresses
*/
@Override
public void sendMail(String subject, String message, String... toAddresses) {
if (toAddresses == null || toAddresses.length == 0) {
logger.debug(MessageFormat.format("Dropping message {0} because there are no recipients", subject));
return;
}
try {
Message mail = mailExecutor.createMessage(toAddresses);
if (mail != null) {
mail.setSubject(subject);
MimeBodyPart messagePart = new MimeBodyPart();
messagePart.setText(message, "utf-8");
messagePart.setHeader("Content-Type", "text/plain; charset=\"utf-8\"");
messagePart.setHeader("Content-Transfer-Encoding", "quoted-printable");
MimeMultipart multiPart = new MimeMultipart();
multiPart.addBodyPart(messagePart);
mail.setContent(multiPart);
mailExecutor.queue(mail);
}
} catch (MessagingException e) {
logger.error("Messaging error", e);
}
}
/**
* Notify users by email of something.
*
* @param subject
* @param message
* @param toAddresses
*/
@Override
public void sendHtmlMail(String subject, String message, Collection<String> toAddresses) {
this.sendHtmlMail(null, subject, message, toAddresses.toArray(new String[0]));
}
/**
* Notify users by email of something.
*
* @param from
* @param subject
* @param message
* @param toAddresses
*/
@Override
public void sendHtmlMail(String from, String subject, String message, Collection<String> toAddresses) {
this.sendHtmlMail(from, subject, message, toAddresses.toArray(new String[0]));
}
/**
* Notify users by email of something.
*
* @param subject
* @param message
* @param toAddresses
*/
@Override
public void sendHtmlMail(String subject, String message, String... toAddresses) {
this.sendHtmlMail(null, message, toAddresses);
}
/**
* Notify users by email of something.
*
* @param from
* @param subject
* @param message
* @param toAddresses
*/
@Override
public void sendHtmlMail(String from, String subject, String message, String... toAddresses) {
if (toAddresses == null || toAddresses.length == 0) {
logger.debug("Dropping message {} because there are no recipients", subject);
return;
}
try {
Message mail = mailExecutor.createMessage(from, toAddresses);
if (mail != null) {
mail.setSubject(subject);
MimeBodyPart messagePart = new MimeBodyPart();
messagePart.setText(message, "utf-8");
messagePart.setHeader("Content-Type", "text/html; charset=\"utf-8\"");
messagePart.setHeader("Content-Transfer-Encoding", "quoted-printable");
MimeMultipart multiPart = new MimeMultipart();
multiPart.addBodyPart(messagePart);
mail.setContent(multiPart);
mailExecutor.queue(mail);
}
} catch (MessagingException e) {
logger.error("Messaging error", e);
}
}
}
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