Application: gvSIG desktop

/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2005 IVER T.I. and Generalitat Valenciana.

 *

 * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

 *

 * For more information, contact:

 *

 *  Generalitat Valenciana

 *   Conselleria d'Infraestructures i Transport

 *   Av. Blasco Ib??ez, 50

 *   46010 VALENCIA

 *   SPAIN

 *

 *      +34 963862235

 *   gvsig@gva.es

 *      www.gvsig.gva.es

 *

 *    or

 *

 *   IVER T.I. S.A

 *   Salamanca 50

 *   46005 Valencia

 *   Spain

 *

 *   +34 963163400

 *   dac@iver.es

 */

package com.iver.cit.gvsig.fmap.drivers;

import com.iver.utiles.extensionPoints.ExtensionPoint;

import com.iver.utiles.extensionPoints.ExtensionPoints;

import com.iver.utiles.extensionPoints.ExtensionPointsSingleton;

import java.util.ArrayList;

import java.util.HashMap;

import java.util.Iterator;

/**

 * Connection Factory

 *

 * @author Vicente Caballero Navarro

 */

public class ConnectionFactory {

    private static ArrayList connections = new ArrayList();

//    private static HashMap lastConnections=new HashMap();

    /**

     * DOCUMENT ME!

     *

     * @param connectionStr DOCUMENT ME!

     * @param user DOCUMENT ME!

     * @param _pw DOCUMENT ME!

     *

     * @return DOCUMENT ME!

     *

     * @throws DBException DOCUMENT ME!

     */

    public static IConnection createConnection(String connectionStr,

        String user, String _pw) throws DBException {

        IConnection connection = null;

        if (connectionStr.startsWith("jdbc")) {

            connection = new ConnectionJDBC();

            connection.setDataConnection(connectionStr, user, _pw);

            return connection;

        } else {

//                if (lastConnections.containsKey(connectionStr))

//                        return (IConnection)lastConnections.get(connectionStr);

            refreshExtensionPointsConnections();

            IConnection[] conns = (IConnection[]) connections.toArray(new IConnection[0]);

            String type = connectionStr.substring(0,connectionStr.indexOf(":"));

            for (int i = 0; i < conns.length; i++) {

                if (conns[i].getTypeConnection().equals(type)) {

                    connection=conns[i];

                        connection.setDataConnection(connectionStr, user, _pw);

//                        lastConnections.put(connectionStr,connection);

                        return connection;

                }

            }

        }

        return connection;

    }

    /**

     * DOCUMENT ME!

     */

    private static void refreshExtensionPointsConnections() {

        connections.clear();

        ExtensionPoints extensionPoints = ExtensionPointsSingleton.getInstance();

        ExtensionPoint extensionPoint = (ExtensionPoint) extensionPoints.get(

                "databaseconnections");

        Iterator iterator = extensionPoint.keySet().iterator();

        while (iterator.hasNext()) {

            try {

                IConnection obj = (IConnection) extensionPoint.create((String) iterator.next());

                connections.add(obj);

            } catch (InstantiationException e) {

                e.printStackTrace();

            } catch (IllegalAccessException e) {

                e.printStackTrace();

            } catch (ClassCastException e) {

                e.printStackTrace();

            }

        }

    }

}