com.seajas.search.attender.service.mail.MailService.java Source code

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Here is the source code for com.seajas.search.attender.service.mail.MailService.java

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/**
 * Copyright (C) 2013 Seajas, the Netherlands.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 3, as
 * published by the Free Software Foundation.
 *
 * This program 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 program.  If not, see <http://www.gnu.org/licenses/>.
 */
package com.seajas.search.attender.service.mail;

import java.net.URI;
import java.net.URISyntaxException;

import javax.mail.MessagingException;
import javax.mail.internet.MimeMessage;

import org.apache.cxf.common.util.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.mail.MailException;
import org.springframework.mail.javamail.JavaMailSender;
import org.springframework.mail.javamail.JavaMailSenderImpl;
import org.springframework.mail.javamail.MimeMessageHelper;
import org.springframework.stereotype.Service;

import com.seajas.search.attender.model.setting.MailSettings;
import com.seajas.search.attender.service.attender.AttenderService;
import com.seajas.search.utilities.logging.SearchLogger;

/**
 * Mail service.
 * 
 * @author Jasper van Veghel <jasper@seajas.com>
 */
@Service
public class MailService {
    /**
     * The logger.
     */
    @Autowired
    private SearchLogger logger;

    /**
     * Mail sender address.
     */
    @Value("${attender.project.mail.from.address}")
    private String fromAddress;

    /**
     * Number of results per message.
     */
    @Value("${attender.project.mail.results.per.message}")
    private Integer resultsPerMessage;

    /**
     * Mail sender.
     */
    @Autowired
    private JavaMailSender sender;

    /**
     * Attender service.
     */
    @Autowired
    private AttenderService attenderService;

    /**
     * Retrieve the resultsPerMessage.
     * 
     * @return Integer
     */
    public Integer getResultsPerMessage() {
        return resultsPerMessage;
    }

    /**
     * Send an e-mail message.
     * 
     * @param receiver
     * @param textContent
     * @param htmlContent
     */
    public boolean sendMessage(final String receiver, final String subject, final String textContent,
            final String htmlContent) {
        MimeMessage message = sender.createMimeMessage();

        // We request a multi-part message so we can write out both HTML and text

        try {
            MimeMessageHelper helper = new MimeMessageHelper(message, true, "UTF-8");

            helper.setFrom(fromAddress);
            helper.setTo(receiver);
            helper.setSubject(subject);
            helper.setText(textContent, htmlContent);

            sender.send(message);

            return true;
        } catch (MessagingException e) {
            logger.error("Could not build the given e-mail message for receiver '" + receiver + "'", e);
        } catch (MailException e) {
            logger.error("Could not send the givn e-mail message for receiver '" + receiver + "'", e);
        }

        return false;
    }

    /**
     * Determine whether a mail server was added.
     * 
     * @return boolean
     */
    public boolean hasWorkingMailServer() {
        return !StringUtils.isEmpty(((JavaMailSenderImpl) sender).getHost());
    }

    /**
     * Switch the e-mail sender to the inputted mail server, if applicable.
     */
    public void updateWorkingMailServer() {
        // Use the mail-server override if one has been entered and validated

        if (attenderService.validateCurrentMailServerDetails())
            try {
                MailSettings settings = attenderService.getMailServerDetails();
                URI hostnameURI = settings.getHostnameUri();

                ((JavaMailSenderImpl) sender).setHost(hostnameURI.getHost());

                Integer schemeStandardPort = "smtps".equals(hostnameURI.getScheme()) ? 465 : 25;

                ((JavaMailSenderImpl) sender)
                        .setPort(hostnameURI.getPort() != -1 ? hostnameURI.getPort() : schemeStandardPort);

                if (!StringUtils.isEmpty(settings.getUsername()))
                    ((JavaMailSenderImpl) sender).setUsername(settings.getUsername());
                if (!StringUtils.isEmpty(settings.getPassword()))
                    ((JavaMailSenderImpl) sender).setPassword(settings.getPassword());

                ((JavaMailSenderImpl) sender).setProtocol(hostnameURI.getScheme());

                if (StringUtils.isEmpty(settings.getUsername()) && StringUtils.isEmpty(settings.getPassword()))
                    ((JavaMailSenderImpl) sender).getJavaMailProperties()
                            .setProperty("mail." + hostnameURI.getScheme() + ".auth", "true");

                fromAddress = settings.getSender();
            } catch (URISyntaxException e) {
                logger.error("Could not set the given mail settings.");
            }
    }
}