io.lavagna.model.MailConfig.java Source code

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Here is the source code for io.lavagna.model.MailConfig.java

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/**
 * This file is part of lavagna.
 *
 * lavagna 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.
 *
 * lavagna 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 lavagna.  If not, see <http://www.gnu.org/licenses/>.
 */
package io.lavagna.model;

import java.io.IOException;
import java.util.Properties;

import javax.mail.internet.MimeMessage;

import lombok.Getter;

import org.apache.commons.lang3.StringUtils;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.springframework.core.io.ByteArrayResource;
import org.springframework.core.io.support.EncodedResource;
import org.springframework.core.io.support.PropertiesLoaderUtils;
import org.springframework.mail.javamail.JavaMailSender;
import org.springframework.mail.javamail.JavaMailSenderImpl;
import org.springframework.mail.javamail.MimeMessageHelper;
import org.springframework.mail.javamail.MimeMessagePreparator;

/**
 * See https://javamail.java.net/nonav/docs/api/com/sun/mail/smtp/package-summary.html for additional parameters.
 */
@Getter
public class MailConfig {

    private static final Logger LOG = LogManager.getLogger();

    private final String host;
    private final Integer port;
    private final String protocol;
    private final String username;
    private final String password;
    private final String from;
    private final String properties;

    public MailConfig(String host, int port, String protocol, String username, String password, String from,
            String properties) {
        this.host = host;
        this.port = port;
        this.protocol = protocol;
        this.username = username;
        this.password = password;
        this.from = from;
        this.properties = properties;
    }

    public boolean isMinimalConfigurationPresent() {
        return StringUtils.isNotBlank(host) && port != null && StringUtils.isNotBlank(protocol)
                && StringUtils.isNotBlank(from);
    }

    public void send(final String to, final String subject, final String text) {
        send(to, subject, text, null);
    }

    public void send(final String to, final String subject, final String text, final String html) {

        toMailSender().send(new MimeMessagePreparator() {
            @Override
            public void prepare(MimeMessage mimeMessage) throws Exception {
                MimeMessageHelper message = html == null ? new MimeMessageHelper(mimeMessage, "UTF-8")
                        : new MimeMessageHelper(mimeMessage, true, "UTF-8");
                message.setSubject(subject);
                message.setFrom(getFrom());
                message.setTo(to);
                if (html == null) {
                    message.setText(text, false);
                } else {
                    message.setText(text, html);
                }
            }
        });
    }

    private JavaMailSender toMailSender() {
        JavaMailSenderImpl r = new JavaMailSenderImpl();
        r.setDefaultEncoding("UTF-8");
        r.setHost(host);
        r.setPort(port);
        r.setProtocol(protocol);
        r.setUsername(username);
        r.setPassword(password);
        if (properties != null) {
            try {
                Properties prop = PropertiesLoaderUtils.loadProperties(
                        new EncodedResource(new ByteArrayResource(properties.getBytes("UTF-8")), "UTF-8"));
                r.setJavaMailProperties(prop);
            } catch (IOException e) {
                LOG.warn("error while setting the mail sender properties", e);
            }
        }
        return r;
    }
}