textfiledriver.java

来自「有关JDBC的使用一些编程实例,有关与数据库连接的代码」· Java 代码 · 共 83 行

/*
 *
 * textFile/tinySQL JDBC driver
 *
 * A lot of this code is based on or directly taken from
 * George Reese's ([e-mail]) mSQL driver.
 *
 * So, it's probably safe to say:
 *
 * Portions of this code Copyright (c) 1996 George Reese
 *
 * The rest of it:
 *
 * Copyright 1996, Brian C. Jepson
 *                 ([e-mail])
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 */

import java.sql.Connection;
import java.sql.DriverPropertyInfo;
import java.sql.SQLException;
import java.sql.Driver;
import java.util.Properties;
    
public class textFileDriver extends tinySQLDriver {

  /*
   *
   * Instantiate a new textFileDriver(), registering it with
   * the JDBC DriverManager.
   *
   */
  static {
    try {
      java.sql.DriverManager.registerDriver(new textFileDriver());
    } catch (Exception e) {
      e.printStackTrace();
    }
  }

  /**
   *
   * Constructs a new textFileDriver
   *
   */
  public textFileDriver() {
    super();
  }

  /**
   *
   * returns a new textFileConnection object, which is cast
   * to a tinySQLConnection object.
   *
   * @exception SQLException when an error occurs
   * @param user the username - currently unused
   * @param url the url to the data source
   * @param d the Driver object.
   *
   */
  public tinySQLConnection getConnection
                 (String user, String url, Driver d) 
		 throws SQLException {

    return (tinySQLConnection) new textFileConnection(user, url, d);
  }

}