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JDBC driver for MariaDB and MySQL
There is a newer version: 3.4.1
/*
 *
 * MariaDB Client for Java
 *
 * Copyright (c) 2012-2014 Monty Program Ab.
 * Copyright (c) 2015-2019 MariaDB Ab.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library 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 Lesser General Public License
 * for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License along
 * with this library; if not, write to Monty Program Ab [email protected].
 *
 * This particular MariaDB Client for Java file is work
 * derived from a Drizzle-JDBC. Drizzle-JDBC file which is covered by subject to
 * the following copyright and notice provisions:
 *
 * Copyright (c) 2009-2011, Marcus Eriksson
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 * Redistributions of source code must retain the above copyright notice, this list
 * of conditions and the following disclaimer.
 *
 * Redistributions in binary form must reproduce the above copyright notice, this
 * list of conditions and the following disclaimer in the documentation and/or
 * other materials provided with the distribution.
 *
 * Neither the name of the driver nor the names of its contributors may not be
 * used to endorse or promote products derived from this software without specific
 * prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS  AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
 * OF SUCH DAMAGE.
 *
 */

package org.mariadb.jdbc;

import org.mariadb.jdbc.internal.util.*;
import org.mariadb.jdbc.internal.util.constant.*;
import org.mariadb.jdbc.util.*;

import java.lang.reflect.*;
import java.sql.*;
import java.util.*;

public final class Driver implements java.sql.Driver {

  static {
    try {
      DriverManager.registerDriver(new Driver(), new DeRegister());
    } catch (SQLException e) {
      throw new RuntimeException("Could not register driver", e);
    }
  }

  /**
   * Connect to the given connection string.
   *
   * @param url the url to connect to
   * @return a connection
   * @throws SQLException if it is not possible to connect
   */
  public Connection connect(final String url, final Properties props) throws SQLException {

    UrlParser urlParser = UrlParser.parse(url, props);
    if (urlParser == null || urlParser.getHostAddresses() == null) {
      return null;
    } else {
      return MariaDbConnection.newConnection(urlParser, null);
    }
  }

  /**
   * returns true if the driver can accept the url.
   *
   * @param url the url to test
   * @return true if the url is valid for this driver
   */
  @Override
  public boolean acceptsURL(String url) {
    return UrlParser.acceptsUrl(url);
  }

  /**
   * Get the property info.
   *
   * @param url the url to get properties for
   * @param info the info props
   * @return all possible connector options
   * @throws SQLException if there is a problem getting the property info
   */
  public DriverPropertyInfo[] getPropertyInfo(String url, Properties info) throws SQLException {
    Options options;
    if (url != null && !url.isEmpty()) {
      UrlParser urlParser = UrlParser.parse(url, info);
      if (urlParser == null || urlParser.getOptions() == null) {
        return new DriverPropertyInfo[0];
      }
      options = urlParser.getOptions();
    } else {
      options = DefaultOptions.parse(HaMode.NONE, "", info, null);
    }

    List props = new ArrayList<>();
    for (DefaultOptions o : DefaultOptions.values()) {
      try {
        Field field = Options.class.getField(o.getOptionName());
        Object value = field.get(options);
        DriverPropertyInfo propertyInfo =
            new DriverPropertyInfo(field.getName(), value == null ? null : value.toString());
        propertyInfo.description = o.getDescription();
        propertyInfo.required = o.isRequired();
        props.add(propertyInfo);
      } catch (NoSuchFieldException | IllegalAccessException e) {
        // eat error
      }
    }
    return props.toArray(new DriverPropertyInfo[props.size()]);
  }

  /**
   * gets the major version of the driver.
   *
   * @return the major versions
   */
  public int getMajorVersion() {
    return Version.majorVersion;
  }

  /**
   * gets the minor version of the driver.
   *
   * @return the minor version
   */
  public int getMinorVersion() {
    return Version.minorVersion;
  }

  /**
   * checks if the driver is jdbc compliant.
   *
   * @return true since the driver is not compliant
   */
  public boolean jdbcCompliant() {
    return true;
  }

  public java.util.logging.Logger getParentLogger() throws SQLFeatureNotSupportedException {
    throw new SQLFeatureNotSupportedException("Use logging parameters for enabling logging.");
  }
}