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.datasource.druid.controller;
  
  import com.alibaba.druid.pool.DruidPooledConnection;
  import com.alibaba.cloudapp.datasource.druid.RefreshableDruidDataSourceWrapper;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  import org.springframework.web.bind.annotation.PathVariable;
  import org.springframework.web.bind.annotation.RequestMapping;
  import org.springframework.web.bind.annotation.RestController;
  
  import javax.annotation.Resource;
  import java.sql.PreparedStatement;
  import java.sql.ResultSet;
  import java.sql.SQLException;
  
  @RestController
  public class RefreshableDruidDataSourceController {
      
      private static final Logger logger =
              LoggerFactory.getLogger(RefreshableDruidDataSourceController.class);
      
      @Resource
      private RefreshableDruidDataSourceWrapper refreshableDataSource;
      
      @RequestMapping("/freshDruid")
      public void freshDruid() {
          long maxWait = refreshableDataSource.getMaxWait();
          logger.info("maxWait is : {} .", maxWait);
          
          long maxRefreshWaitMillis = refreshableDataSource.getMaxRefreshWaitMillis();
          logger.info("maxRefreshWaitMillis is : {} .", maxRefreshWaitMillis);
          
      }
      
      @RequestMapping("/user/{username}")
      public boolean getUser(@PathVariable String username) {
          DruidPooledConnection connection = null;
          try {
              connection = refreshableDataSource.getConnection();
              String sql = "SELECT * FROM user WHERE username = '" + username + "'";
              PreparedStatement ps = connection.prepareStatement(sql);
              ResultSet rs = ps.executeQuery();
              if (rs.next()) {
                  logger.info("user {} exist.", username);
                  return true;
              } else {
                  logger.info("user {} not exist.", username);
                  return false;
              }
          } catch (SQLException e) {
              logger.error("error", e);
          }
          
          return false;
      }
      
  }
  