/*
* Copyright (c) 1998-2010 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package com.caucho.hemp.services;
import com.caucho.bam.SimpleActor;
import com.caucho.config.types.Period;
import com.caucho.util.Alarm;
import com.caucho.util.AlarmListener;
import java.io.Serializable;
import java.util.*;
import java.util.logging.*;
import javax.jms.TextMessage;
import javax.jms.ObjectMessage;
import javax.mail.Address;
import javax.mail.Session;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.AddressException;
import javax.annotation.PostConstruct;
import javax.annotation.PreDestroy;
import javax.inject.Inject;
/**
* mail service
*/
public class BamMailService
extends SimpleActor
implements AlarmListener
{
private static final Logger log
= Logger.getLogger(BamMailService.class.getName());
@Inject
private Session _session;
private long _delayTime = 60000L;
private StringBuilder _text;
private Alarm _alarm;
private MailService _mailService = new MailService();
public BamMailService()
{
_alarm = new Alarm(this);
}
/**
* Sets the delay time, i.e. how long the service should accumulate
* messages before sending them.
*/
public void setDelayTime(Period period)
{
_delayTime = period.getPeriod();
}
/**
* Sets the mail session
*/
public void setMailSession(Session session)
{
_mailService.setSession(session);
}
/**
* Sets a property
*/
public void setProperty(String key, String value)
{
_mailService.setProperty(key, value);
}
/**
* Sets properties
*/
public void setProperties(Properties props)
{
_mailService.setProperties(props);
}
/**
* Sets subject
*/
public void setSubject(String subject)
{
_mailService.setSubject(subject);
}
/**
* Adds a 'to'
*/
public void addTo(String to)
throws AddressException
{
_mailService.addTo(new InternetAddress(to));
}
@PostConstruct
public void init()
{
_mailService.init();
}
/**
* Sends to a mailbox
*/
@Override
public void message(String to, String from, Serializable value)
{
String text = messageToText(value);
if (_delayTime <= 0) {
_mailService.send(text);
return;
}
boolean isStartAlarm = false;
synchronized (this) {
if (_text == null) {
isStartAlarm = true;
_text = new StringBuilder();
}
_text.append(text).append("\n");
}
if (isStartAlarm)
_alarm.queue(_delayTime);
}
protected String messageToText(Serializable value)
{
String text = null;
if (value instanceof String) {
text = value.toString();
}
else if (value instanceof TextMessage) {
try {
text = ((TextMessage) value).getText();
} catch (Exception e) {
log.log(Level.FINER, e.toString(), e);
}
}
else if (value instanceof ObjectMessage) {
try {
text = String.valueOf(((ObjectMessage) value).getObject());
} catch (Exception e) {
log.log(Level.FINER, e.toString(), e);
}
}
if (text == null)
text = String.valueOf(value);
return text;
}
public void handleAlarm(Alarm alarm)
{
String text = null;
synchronized (this) {
if (_text != null)
text = _text.toString();
_text = null;
}
if (text != null)
_mailService.send(text);
}
@PreDestroy()
public void close()
{
String text = null;
synchronized (this) {
if (_text != null)
text = _text.toString();
_text = null;
}
if (text != null)
_mailService.send(text);
}
}