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'jdbacl' stands for 'Java DataBase ACcess Layer' and provides utilities for accessing JDBC databases from Java programs, retrieving meta information in an object model and querying database data. 'rapiddweller jdbacl' is forked from Databene jdbacl by Volker Bergmann.

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/*
 * (c) Copyright 2011 by Volker Bergmann. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, is permitted under the terms of the
 * GNU General Public License (GPL).
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * WITHOUT A WARRANTY OF ANY KIND. ALL EXPRESS OR IMPLIED CONDITIONS,
 * REPRESENTATIONS AND WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE
 * HEREBY EXCLUDED. IN NO EVENT SHALL THE COPYRIGHT OWNER 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 com.rapiddweller.jdbacl.dialect;

import com.rapiddweller.common.ConfigurationError;
import com.rapiddweller.common.ConnectFailedException;
import com.rapiddweller.jdbacl.DBUtil;

import java.sql.Connection;

/**
 * Provides utility methods for the H2 database.


 * Created: 21.10.2011 20:40:23
 *
 * @author Volker Bergmann
 * @since 0.6.13
 */
public class H2Util {

  /**
   * The constant IN_MEMORY_URL_PREFIX.
   */
  public static final String IN_MEMORY_URL_PREFIX = "jdbc:h2:mem:";
  /**
   * The constant DRIVER.
   */
  public static final String DRIVER = "org.h2.Driver";
  /**
   * The constant DEFAULT_USER.
   */
  public static final String DEFAULT_USER = "sa";
  /**
   * The constant DEFAULT_PASSWORD.
   */
  public static final String DEFAULT_PASSWORD = "";
  /**
   * The constant DEFAULT_SCHEMA.
   */
  public static final String DEFAULT_SCHEMA = "PUBLIC";
  /**
   * The constant DEFAULT_PORT.
   */
  public static final int DEFAULT_PORT = 9001;

  /**
   * Connect in memory db connection.
   *
   * @param dbName the db name
   * @param port   the port
   * @return the connection
   * @throws ConnectFailedException the connect failed exception
   */
  public static Connection connectInMemoryDB(String dbName, int port) throws ConnectFailedException {
    return connectInMemoryDB(dbName + ":" + port);
  }

  /**
   * Connect in memory db connection.
   *
   * @param dbName the db name
   * @return the connection
   * @throws ConnectFailedException the connect failed exception
   */
  public static Connection connectInMemoryDB(String dbName) throws ConnectFailedException {
    String driver = DRIVER;
    try {
      Class.forName(driver);
      String url = getInMemoryURL(dbName);
      return DBUtil.connect(url, DRIVER, DEFAULT_USER, DEFAULT_PASSWORD, false);
    } catch (ClassNotFoundException e) {
      throw new ConfigurationError("JDBC driver not found: " + driver, e);
    }
  }

  /**
   * Gets in memory url.
   *
   * @param dbName the db name
   * @return the in memory url
   */
  public static String getInMemoryURL(String dbName) {
    return IN_MEMORY_URL_PREFIX + dbName;
  }

}