OctopusConstants.java

/**
 * C-JDBC: Clustered JDBC.
 * Copyright (C) 2002-2004 French National Institute For Research In Computer
 * Science And Control (INRIA).
 * Contact: c-jdbc@objectweb.org
 * 
 * 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 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 the Free Software Foundation,
 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
 *
 * Initial developer(s): Nicolas Modrzyk 
 * Contributor(s):
 */

package org.objectweb.cjdbc.controller.backup;

import java.util.Hashtable;

/**
 * Class to map useful values for octopus
 * 
 * @author <a href="mailto:Nicolas.Modrzyk@inrialpes.fr">Nicolas Modrzyk </a>
 */
public final class OctopusConstants
{
  static final int       FROM_URL   = 0;
  static final int       DRIVER     = 1;
  static final int       FULL_NAME  = 2;
  static final int       PREFIX_URL = 3;

  // four values ... this is REALLY dirty but I see no other way to deal with
  // octopus constants ...
  // 1. If we parse the url, what can describe the db we're dealing with
  // 2. In octopus specific conf file, <Driver name="hsql">
  // 3. In octopus general vendors file, what driver are we using ...
  // 4. the part of the url, octopus adds up automatically, from conf file

  static final String[]  HSQL       = {"hsqldb", "hsql", "HypersonicSQL",
      "jdbc:hsqldb:"                };
  static final String[]  CSV        = {"csv", "csv", "Csv", "jdbc:relique:csv:"};
  static final String[]  MYSQL      = {"mysql", "mm", "MySQL", "jdbc:mysql://"};
  static final String[]  POSTGRESQL = {"postgresql", "postgresql",
      "PostgreSQL", "jdbc:postgresql://"};
  static final String[]  ORACLE     = {"oracle", "oracle", "Oracle",
      "jdbc:oracle:thin:"           };
  static final String[]  JTURBO     = {"jTurbo", "jTurbo", "MSQL",
      "jdbc:JTurbo://"              };
  static final String[]  MSSQL      = {"microsoft", "microsoft", "MSQL",
      "jdbc:microsoft:sqlserver://" };

  static final Hashtable TYPES;
  static
  {
    TYPES = new Hashtable();
    TYPES.put(HSQL[0], HSQL);
    TYPES.put(CSV[0], CSV);
    TYPES.put(MYSQL[0], MYSQL);
    TYPES.put(ORACLE[0], ORACLE);
    TYPES.put(POSTGRESQL[0], POSTGRESQL);
    TYPES.put(JTURBO[0], JTURBO);
    TYPES.put(MSSQL[0], MSSQL);
  }

  /**
   * Get octopus type.
   * 
   * @param type from url
   * @return value from hashtable or null
   */
  public static String getOctopusType(String type)
  {
    if (type == null)
      return null;
    return ((String[]) TYPES.get(type))[FULL_NAME];
  }

  /**
   * Get octopus driver.
   * 
   * @param type from url
   * @return value from hashtable or null
   */
  public static String getOctopusDriver(String type)
  {
    if (type == null)
      return null;
    return ((String[]) TYPES.get(type))[DRIVER];
  }

  /**
   * Get Octopus url prefix
   * 
   * @param type from url
   * @return value from hashtable or null
   */
  public static String getUrlPrefix(String type)
  {
    if (type == null)
      return null;
    return ((String[]) TYPES.get(type))[PREFIX_URL];
  }

}

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