cn.stylefeng.roses.email.spring.SpringJavaSender Maven / Gradle / Ivy

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package cn.stylefeng.roses.email.spring;

import cn.hutool.core.util.ObjectUtil;
import cn.stylefeng.roses.email.MailSender;
import cn.stylefeng.roses.email.spring.enums.SpringMailSendResultEnum;
import cn.stylefeng.roses.email.spring.exception.SpringMailException;
import cn.stylefeng.roses.email.spring.model.SendMailParam;
import lombok.extern.slf4j.Slf4j;
import org.springframework.mail.javamail.JavaMailSender;
import org.springframework.mail.javamail.MimeMessageHelper;

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

/**
 * java默认的邮件发送方式实现
 *
 * @author fengshuonan
 * @date 2018-07-08-下午3:34
 */
@Slf4j
public class SpringJavaSender implements MailSender {

    /**
     * spring的发送器
     */
    private final JavaMailSender javaMailSender;

    /**
     * 发送邮件的地址
     */
    private final String from;

    public SpringJavaSender(JavaMailSender javaMailSender, String from) {
        this.javaMailSender = javaMailSender;
        this.from = from;
    }

    @Override
    public void sendMail(SendMailParam sendMailParam) {

        //校验发送邮件的参数
        assertSendMailParams(sendMailParam);

        //spring发送邮件
        try {
            MimeMessage mimeMessage = javaMailSender.createMimeMessage();
            MimeMessageHelper mimeMessageHelper = new MimeMessageHelper(mimeMessage, true);
            mimeMessageHelper.setFrom(from);
            mimeMessageHelper.setTo(sendMailParam.getTo());
            mimeMessageHelper.setSubject(sendMailParam.getTitle());
            mimeMessageHelper.setText(sendMailParam.getContent(), true);
            javaMailSender.send(mimeMessage);
        } catch (MessagingException e) {
            log.error("发送邮件异常", e);
            throw new SpringMailException(SpringMailSendResultEnum.MAIL_SEND_ERROR.getCode(), SpringMailSendResultEnum.MAIL_SEND_ERROR.getMessage());
        }
    }

    /**
     * 校验发送邮件的请求参数
     *
     * @author fengshuonan
     * @Date 2018/7/8 下午6:41
     */
    private void assertSendMailParams(SendMailParam sendMailParam) {
        if (sendMailParam == null) {
            throw new SpringMailException(400, "请求参数为空");
        }

        if (ObjectUtil.isEmpty(sendMailParam.getTo())) {
            throw new SpringMailException(400, "收件人邮箱为空");
        }

        if (ObjectUtil.isEmpty(sendMailParam.getTitle())) {
            throw new SpringMailException(400, "邮件标题为空");
        }

        if (ObjectUtil.isEmpty(sendMailParam.getContent())) {
            throw new SpringMailException(400, "邮件内容为空");
        }
    }
}