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Library that provides facilities to allow project information to be manipulated in Java and .Net. Supports a range of data formats: Microsoft Project Exchange (MPX), Microsoft Project (MPP,MPT), Microsoft Project Data Interchange (MSPDI XML), Microsoft Project Database (MPD), Planner (XML), Primavera (PM XML, XER, and database), Asta Powerproject (PP, MDB), Asta Easyplan (PP), Phoenix Project Manager (PPX), FastTrack Schedule (FTS), and the Standard Data Exchange Format (SDEF).

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/*
 * file:       JdbcOdbcHelper.java
 * author:     Jon Iles
 * copyright:  (c) Packwood Software 2021
 * date:       11/12/2021
 */

/*
 * 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 the Free Software Foundation, Inc.,
 * 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
 */

package net.sf.mpxj.common;

import java.io.File;

/**
 * Helper methods for working with  the JDBC-ODBC bridge.
 */
public final class JdbcOdbcHelper
{
   /**
    * Returns true if the JDBC-ODBC bridge is available.
    *
    * @return true if the JDBC-ODBC bridge is available
    */
   public static boolean jdbcOdbcAvailable()
   {
      return JDBC_ODBC_AVAILABLE;
   }

   /**
    * Generates a JDBC URL for a Microsoft Access database.
    *
    * @param file database file
    * @return JDBC URL
    */
   public static String getMicrosoftAccessJdbcUrl(File file)
   {
      return getMicrosoftAccessJdbcUrl(file.getAbsolutePath());
   }

   /**
    * Generates a JDBC URL for a Microsoft Access database.
    *
    * @param filename database file
    * @return JDBC URL
    */
   public static String getMicrosoftAccessJdbcUrl(String filename)
   {
      if (!JDBC_ODBC_AVAILABLE)
      {
         throw new RuntimeException("JDBC-ODBC Bridge not available");
      }
      return "jdbc:odbc:DRIVER=Microsoft Access Driver (*.mdb);DBQ=" + filename;
   }

   private static final boolean JDBC_ODBC_AVAILABLE;

   static
   {
      boolean available = false;

      try
      {
         Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
         available = true;
      }

      catch (ClassNotFoundException ex)
      {
         // We can't find the class...
      }

      JDBC_ODBC_AVAILABLE = available;
   }
}