com.wl4g.component.support.notification.mail.MailMessageNotifier Maven / Gradle / Ivy

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/*
 * Copyright 2017 ~ 2025 the original author or authors. 
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.wl4g.component.support.notification.mail;

import org.springframework.mail.SimpleMailMessage;
import org.springframework.mail.javamail.JavaMailSenderImpl;
import org.springframework.mail.javamail.MimeMailMessage;

import com.wl4g.component.support.notification.AbstractMessageNotifier;
import com.wl4g.component.support.notification.GenericNotifyMessage;

import java.util.Date;
import java.util.Properties;

import static com.wl4g.component.common.collection.CollectionUtils2.safeList;
import static java.lang.String.format;
import static java.util.Objects.isNull;
import static java.util.stream.Collectors.toList;

/**
 * {@link MailMessageNotifier}, Full compatibility with native spring mail!
 *
 * @author Wangl.sir <[email protected], [email protected]>
 * @version 2020年1月9日 v1.0.0
 * @see
 */
public class MailMessageNotifier extends AbstractMessageNotifier {

    /**
     * Java mail sender.
     */
    final protected JavaMailSenderImpl mailSender;

    public MailMessageNotifier(MailNotifyProperties config) {
        super(config);
        this.mailSender = new JavaMailSenderImpl();
        if (!isNull(config.getProperties())) {
            this.mailSender.setJavaMailProperties(new Properties() {
                private static final long serialVersionUID = 1395782904610029089L;

                {
                    putAll(config.getProperties());
                }
            });
        }
        this.mailSender.setDefaultEncoding(config.getDefaultEncoding().name());
        this.mailSender.setProtocol(config.getProtocol());
        this.mailSender.setHost(config.getHost());
        this.mailSender.setPort(config.getPort());
        this.mailSender.setUsername(config.getUsername());
        this.mailSender.setPassword(config.getPassword());
    }

    @Override
    public NotifierKind kind() {
        return NotifierKind.Mail;
    }

    /**
     * Send mail messages.
     *
     * @param simpleMessages
     */
    @Override
    public void send(GenericNotifyMessage msg) {
        String mailMsgType = msg.getParameterAsString(KEY_MAILMSG_TYPE, "simple");
        switch (mailMsgType) {
            case KEY_MAILMSG_VALUE_SIMPLE:
                SimpleMailMessage simpleMsg = new SimpleMailMessage();
                // Add "<>" symbol to send out?
                /*
                 * Preset from account, otherwise it would be wrong: 501 mail from
                 * address must be same as authorization user.
                 */
                simpleMsg.setFrom(config.getUsername() + "<" + config.getUsername() + ">");
                simpleMsg.setTo(msg.getToObjects().stream().map(to -> to = to + "<" + to + ">").collect(toList()).toArray(new String[]{}));
                simpleMsg.setSubject(msg.getParameterAsString(KEY_MAILMSG_SUBJECT, "Super Devops Messages"));
                simpleMsg.setSentDate(msg.getParameter(KEY_MSG_SENDDATE, new Date()));
                simpleMsg.setBcc(safeList(msg.getParameter(KEY_MAILMSG_BCC)).toArray(new String[]{}));
                simpleMsg.setCc(safeList(msg.getParameter(KEY_MAILMSG_CC)).toArray(new String[]{}));
                simpleMsg.setReplyTo(msg.getParameter(KEY_MAILMSG_REPLYTO));
                simpleMsg.setText(config.getResolvedMessage(msg.getTemplateKey(), msg.getParameters()));

                mailSender.send(simpleMsg);
                break;
            case KEY_MAILMSG_VALUE_MIME: // TODO implements!!!
                log.warn("No implements MimeMailMessage!!!");
                break;
            default:
                throw new UnsupportedOperationException(format("No supported mail message type of %s", mailMsgType));
        }

    }

    @Override
    public  R sendForReply(GenericNotifyMessage message) {
        throw new UnsupportedOperationException();
    }

    /**
     * Send mail message type definitions. 

     *
     *      * simple => {@link SimpleMailMessage}
     * mime => {@link MimeMailMessage}
     * 
     */
    final public static String KEY_MAILMSG_TYPE = "mailMsgType";
    final public static String KEY_MAILMSG_VALUE_SIMPLE = "simple";
    final public static String KEY_MAILMSG_VALUE_MIME = "mime";

    /**
     * Mail message builder subject keyname.
     */
    final public static String KEY_MAILMSG_SUBJECT = "mailMsgSubject";

    /**
     * Mail message builder replyTo keyname.
     */
    final public static String KEY_MAILMSG_REPLYTO = "mailMsgReplyTo";

    /**
     * Mail message builder cc keyname.
     */
    final public static String KEY_MAILMSG_CC = "mailMsgCc";

    /**
     * Mail message builder bcc keyname.
     */
    final public static String KEY_MAILMSG_BCC = "mailMsgBcc";

}