content: /*
   *
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You 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.alibaba.cloudapp.mail.demo.service;
  
  import com.alibaba.cloudapp.api.email.TemplateEmailService;
  import com.alibaba.cloudapp.exeption.CloudAppException;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.beans.factory.annotation.Value;
  import org.springframework.mail.javamail.JavaMailSender;
  import org.springframework.stereotype.Service;
  
  import java.util.Collections;
  import java.util.HashMap;
  import java.util.Map;
  
  @Service
  public class MailDemoService {
      
      private static final Logger logger =
              LoggerFactory.getLogger(MailDemoService.class);
      
      private static final String TEMPLATE_NAME = "test.ftl";
      
      @Autowired
      private TemplateEmailService templateEmailService;
      
      // get config from application.yml
      @Value("${com.alibaba.cloudapp.mail.username}")
      private String from;
      
      private JavaMailSender mailSender;
      
      /**
       * send email by template
       *
       * @param to      receiver
       * @param subject subject
       */
      public void sendMail(String to, String subject) {
          try {
              //template params
              Map<String, Object> params = new HashMap<>();
              params.put("name", to);
              params.put("showData", Collections.singletonMap("data", "test " +
                      "data"));
              
              templateEmailService.sendEmail(TEMPLATE_NAME, subject, from,
                                             Collections.singletonList(to), params
              );
          } catch (CloudAppException e) {
              logger.error("send mail fail:" + e.getMessage());
              throw new RuntimeException(e);
          }
      }
      
  }
  