com.packtpub.e4.advanced.event.mailman.MailSender.java Source code

Introduction

Here is the source code for com.packtpub.e4.advanced.event.mailman.MailSender.java

Source

/*
 * Copyright (c) 2014, Alex Blewitt, Bandlem Ltd
 * Copyright (c) 2014, Packt Publishing Ltd
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 */
package com.packtpub.e4.advanced.event.mailman;

import org.apache.commons.mail.Email;
import org.apache.commons.mail.EmailException;
import org.apache.commons.mail.SimpleEmail;
import org.osgi.service.event.Event;
import org.osgi.service.event.EventHandler;
import org.osgi.service.log.LogService;

public class MailSender implements EventHandler {
    private String hostname = "localhost";
    private LogService log;
    private int port = 25;

    @Override
    public void handleEvent(Event event) {
        String topic = event.getTopic();
        if (topic.startsWith("smtp/")) {
            String importance = topic.substring("smtp/".length());
            String to = (String) event.getProperty("To");
            String from = (String) event.getProperty("From");
            String subject = (String) event.getProperty("Subject");
            String body = (String) event.getProperty("DATA");
            try {
                Email email = new SimpleEmail();
                email.setDebug(false);
                email.setHostName(hostname);
                email.setSmtpPort(port);
                email.setFrom(from);
                email.addTo(to);
                email.setSubject(subject);
                email.setMsg(body);
                email.addHeader("Importance", importance);
                email.send();
                log(LogService.LOG_INFO, "Message sent successfully to " + to);
            } catch (EmailException e) {
                log(LogService.LOG_ERROR, "Error occurred" + e);
            }
        }
    }

    private void log(int level, String message) {
        LogService log = this.log;
        if (log != null) {
            log.log(level, message);
        }
    }

    public void setHostname(String hostname) {
        this.hostname = hostname;
    }

    public void setLogService(LogService log) {
        this.log = log;
    }

    public void setPort(int port) {
        this.port = port;
    }
}