iddb.core.util.MailManager.java Source code

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Here is the source code for iddb.core.util.MailManager.java

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/**
 *   Copyright(c) 2010-2011 CodWar Soft
 * 
 *   This file is part of IPDB UrT.
 *
 *   IPDB UrT 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 3 of the License, or
 *   (at your option) any later version.
 *
 *   This software 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.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this software. If not, see <http://www.gnu.org/licenses/>.
 */
package iddb.core.util;

import java.util.Map;
import java.util.Properties;

import org.apache.commons.mail.DefaultAuthenticator;
import org.apache.commons.mail.Email;
import org.apache.commons.mail.EmailException;
import org.apache.commons.mail.SimpleEmail;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class MailManager {

    private static final Logger log = LoggerFactory.getLogger(MailManager.class);

    private static MailManager instance;
    Properties props;

    private MailManager() {
        props = new Properties();
        try {
            props.load(getClass().getClassLoader().getResourceAsStream("mail.properties"));
        } catch (Exception e) {
            log.error("Unable to load mail properties [{}]", e.getMessage());
        }
    }

    public static MailManager getInstance() {
        if (instance == null) {
            instance = new MailManager();
        }
        return instance;
    }

    private void setEmailProps(Email email) throws EmailException {
        email.setFrom(props.getProperty("from"), "IPDB");
        if (props.containsKey("bounce"))
            email.setBounceAddress(props.getProperty("bounce"));
        if (props.containsKey("host"))
            email.setHostName(props.getProperty("host"));
        if (props.containsKey("port"))
            email.setSmtpPort(Integer.parseInt(props.getProperty("port")));
        if (props.containsKey("username"))
            email.setAuthenticator(
                    new DefaultAuthenticator(props.getProperty("username"), props.getProperty("password")));
        if (props.containsKey("ssl") && props.getProperty("ssl").equalsIgnoreCase("true"))
            email.setSSL(true);
        if (props.containsKey("tls") && props.getProperty("tls").equalsIgnoreCase("true"))
            email.setTLS(true);
        if (props.containsKey("debug") && props.getProperty("debug").equalsIgnoreCase("true"))
            email.setDebug(true);
    }

    public void sendAdminMail(String subject, String message, String replyTo) throws Exception {
        if (props == null)
            throw new Exception("Unable to access email subsystem.");
        try {
            Email email = new SimpleEmail();
            email.setSubject(subject);
            email.setMsg(message);
            if (replyTo != null) {
                email.addReplyTo(replyTo);
            }
            for (String adr : props.getProperty("admin").split(";")) {
                email.addTo(adr);
            }
            setEmailProps(email);
            email.send();
        } catch (Exception e) {
            log.error("{}: {}", e.getClass().getName(), e.getMessage());
            throw new Exception("We are unable to send your message right now.");
        }
    }

    public void sendMail(String subject, String template, String[] dest, Map<String, String> args)
            throws Exception {
        if (props == null)
            throw new Exception("Unable to access email subsystem.");
        try {
            Email email = new SimpleEmail();
            email.setSubject(subject);
            email.setMsg(TemplateManager.getTemplate(template, args));
            for (String adr : dest) {
                email.addTo(adr);
            }
            email.setCharset("ISO-8859-1");
            setEmailProps(email);
            email.send();
        } catch (Exception e) {
            log.error("{}: {}", e.getClass().getName(), e.getMessage());
            throw new Exception("We are unable to send your message right now.");
        }
    }

}