content: /*
   * Copyright 1999-2018 Alibaba Group Holding Ltd.
   *
   * 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.alibaba.druid.benckmark.proxy;
  
  import java.sql.Connection;
  import java.sql.DriverManager;
  import java.sql.SQLException;
  
  public class DirectSQLExecutor extends SQLExecutor {
      private final String jdbcUrl;
      private final String user;
      private final String password;
      private final String driverClassName;
  
      public DirectSQLExecutor(String name, String jdbcUrl, String user, String password) {
          super(name);
  
          this.jdbcUrl = jdbcUrl;
          this.user = user;
          this.password = password;
  
          try {
              driverClassName = getDriverClassName(jdbcUrl);
              Class.forName(driverClassName);
          } catch (Exception ex) {
              throw new IllegalStateException(ex.getMessage(), ex);
          }
      }
  
      public String getDriverClassName(String url) throws SQLException {
          if (url.startsWith("jdbc:derby:")) {
              return "org.apache.derby.jdbc.EmbeddedDriver";
          } else if (url.startsWith("jdbc:mysql:")) {
              return "com.mysql.jdbc.Driver";
          } else if (url.startsWith("jdbc:oracle:")) {
              return "oracle.jdbc.driver.OracleDriver";
          } else if (url.startsWith("jdbc:microsoft:")) {
              return "com.microsoft.jdbc.sqlserver.SQLServerDriver";
          } else if (url.startsWith("jdbc:jtds:")) {
              return "net.sourceforge.jtds.jdbc.Driver";
          } else if (url.startsWith("jdbc:fake:")) {
              return "com.alibaba.druid.mock.MockDriver";
          } else if (url.startsWith("jdbc:wrap-jdbc:")) {
              return "com.alibaba.druid.proxy.DruidDriver";
          } else {
              throw new SQLException("unkow jdbc driver");
          }
      }
  
      @Override
      public Connection getConnection() throws SQLException {
          return DriverManager.getConnection(jdbcUrl, user, password);
      }
  }
  