Index: topia/src/java/org/codelutin/topia/persistence/jdbc/JDBCPersistenceHelper.java
diff -u /dev/null topia/src/java/org/codelutin/topia/persistence/jdbc/JDBCPersistenceHelper.java:1.1
--- /dev/null	Wed Sep 15 15:25:57 2004
+++ topia/src/java/org/codelutin/topia/persistence/jdbc/JDBCPersistenceHelper.java	Wed Sep 15 15:25:51 2004
@@ -0,0 +1,226 @@
+/* *##%
+ * Copyright (C) 2002, 2003, 2004 
+ * Code Lutin, Cédric Pineau, Benjamin Poussin
+ *
+ * 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.
+ *##%*/
+
+/* *
+ * JDBCPersistenceHelper.java
+ *
+ * Created: Sep 15, 2004
+ *
+ * @author Cédric Pineau <pineau@codelutin.com>
+ * @version $Revision: 1.1 $
+ *
+ * Last update : $Date: 2004/09/15 15:25:51 $
+ * by : $Author: pineau $
+ */
+
+package org.codelutin.topia.persistence.jdbc;
+
+import java.sql.Connection;
+import java.sql.DriverManager;
+import java.sql.SQLException;
+import java.util.List;
+import java.util.Properties;
+
+import org.codelutin.topia.AsynchronousLoader;
+import org.codelutin.topia.TopiaContext;
+import org.codelutin.topia.TopiaEntity;
+import org.codelutin.topia.TopiaException;
+import org.codelutin.topia.TopiaQuery;
+import org.codelutin.topia.persistence.AbstractPersistenceHelper;
+
+/**
+ *  
+ */
+public class JDBCPersistenceHelper extends AbstractPersistenceHelper {
+
+    protected Connection connection;
+    
+    public JDBCPersistenceHelper(TopiaContext context, Properties properties) {
+        super(context, properties);
+
+        // Override jar settings with systems properties if they are set
+        String connectionDriverName = System
+                .getProperty("java.sql.ConnectionDriverName");
+        if (connectionDriverName != null) {
+            getProperties().setProperty("java.sql.ConnectionDriverName",
+                    connectionDriverName);
+        }
+        String connectionURL = System.getProperty("java.sql.ConnectionURL");
+        if (connectionURL != null) {
+            getProperties()
+                    .setProperty("java.sql.ConnectionURL", connectionURL);
+        }
+        String connectionUserName = System
+                .getProperty("java.sql.ConnectionUserName");
+        if (connectionUserName != null) {
+            getProperties().setProperty("java.sql.ConnectionUserName",
+                    connectionUserName);
+        }
+        String connectionPassword = System
+                .getProperty("java.sql.ConnectionPassword");
+        if (connectionPassword != null) {
+            getProperties().setProperty("java.sql.ConnectionPassword",
+                    connectionPassword);
+        }
+
+        initDb();
+    }
+
+    protected void initDb() {
+        try {
+            String connectionDriverName = getProperties().getProperty(
+                    "java.sql.ConnectionDriverName");
+            String connectionURL = getProperties().getProperty(
+                    "java.sql.ConnectionURL");
+            String connectionUserName = getProperties().getProperty(
+                    "java.sql.ConnectionUserName");
+            String connectionPassword = getProperties().getProperty(
+                    "java.sql.ConnectionPassword");
+
+            // Load the database driver
+            Class.forName(connectionDriverName);
+
+            // Get a connection to the database
+            connection = DriverManager.getConnection(connectionURL,
+                    connectionUserName, connectionPassword);
+
+        } catch (SQLException se) {
+            se.printStackTrace();
+        } catch (ClassNotFoundException e) {
+            e.printStackTrace();
+        }
+    }
+
+    /*
+     * (non-Javadoc)
+     * 
+     * @see org.codelutin.topia.persistence.PersistenceHelper#makePersistent(org.codelutin.topia.TopiaEntity)
+     */
+
+    public TopiaEntity makePersistent(TopiaEntity entity) throws TopiaException {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    /*
+     * (non-Javadoc)
+     * 
+     * @see org.codelutin.topia.persistence.PersistenceHelper#update(org.codelutin.topia.TopiaEntity)
+     */
+    public TopiaEntity update(TopiaEntity entity) throws TopiaException {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    /*
+     * (non-Javadoc)
+     * 
+     * @see org.codelutin.topia.persistence.PersistenceHelper#delete(org.codelutin.topia.TopiaEntity)
+     */
+    public void delete(TopiaEntity entity) throws TopiaException {
+        // TODO Auto-generated method stub
+
+    }
+
+    /*
+     * (non-Javadoc)
+     * 
+     * @see org.codelutin.topia.persistence.PersistenceHelper#find(org.codelutin.topia.TopiaQuery)
+     */
+    public List find(TopiaQuery query) throws TopiaException {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    /*
+     * (non-Javadoc)
+     * 
+     * @see org.codelutin.topia.persistence.PersistenceHelper#findAsynchronously(org.codelutin.topia.TopiaQuery)
+     */
+    public AsynchronousLoader findAsynchronously(TopiaQuery query)
+            throws TopiaException {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    /*
+     * (non-Javadoc)
+     * 
+     * @see org.codelutin.topia.persistence.PersistenceHelper#findInRange(org.codelutin.topia.TopiaQuery,
+     *      int, int)
+     */
+    public List findInRange(TopiaQuery query, int startIndex, int endIndex)
+            throws TopiaException {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    /*
+     * (non-Javadoc)
+     * 
+     * @see org.codelutin.topia.persistence.PersistenceHelper#findInRangeAsynchronously(org.codelutin.topia.TopiaQuery,
+     *      int, int)
+     */
+    public AsynchronousLoader findInRangeAsynchronously(TopiaQuery query,
+            int startIndex, int endIndex) throws TopiaException {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    /*
+     * (non-Javadoc)
+     * 
+     * @see org.codelutin.topia.persistence.PersistenceHelper#size(org.codelutin.topia.TopiaQuery)
+     */
+    public int size(TopiaQuery query) throws TopiaException {
+        // TODO Auto-generated method stub
+        return 0;
+    }
+
+    /*
+     * (non-Javadoc)
+     * 
+     * @see org.codelutin.topia.persistence.PersistenceHelper#importXML(java.lang.String)
+     */
+    public void importXML(String xml) throws TopiaException {
+        // TODO Auto-generated method stub
+
+    }
+
+    /*
+     * (non-Javadoc)
+     * 
+     * @see org.codelutin.topia.persistence.PersistenceHelper#exportXML()
+     */
+    public String exportXML() throws TopiaException {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    /*
+     * (non-Javadoc)
+     * 
+     * @see org.codelutin.topia.persistence.PersistenceHelper#findByTopiaId(java.lang.String)
+     */
+    public TopiaEntity findByTopiaId(String id) throws TopiaException {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+}
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