/*
* This program is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
* Foundation.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* or from the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* 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 Lesser General Public License for more details.
*
* Copyright (c) 2009 Pentaho Corporation. All rights reserved.
*/
package org.pentaho.reporting.engine.classic.extensions.datasources.olap4j.connections;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.sql.Connection;
import java.sql.SQLException;
import java.util.ArrayList;
import javax.sql.DataSource;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.olap4j.OlapConnection;
import org.olap4j.OlapWrapper;
import org.pentaho.reporting.engine.classic.core.ClassicEngineBoot;
import org.pentaho.reporting.engine.classic.core.modules.misc.connections.DataSourceService;
import org.pentaho.reporting.engine.classic.core.modules.misc.connections.DatasourceServiceException;
public class JndiConnectionProvider implements OlapConnectionProvider
{
private transient DataSourceService dataSourceService;
private static final Log logger = LogFactory.getLog(JndiConnectionProvider.class);
private String connectionPath;
private String username;
private String password;
public JndiConnectionProvider()
{
this.dataSourceService = ClassicEngineBoot.getInstance().getObjectFactory().get(DataSourceService.class);
}
public String getConnectionPath()
{
return connectionPath;
}
public void setConnectionPath(final String connectionPath)
{
this.connectionPath = connectionPath;
}
public String getUsername()
{
return username;
}
public void setUsername(final String username)
{
this.username = username;
}
public String getPassword()
{
return password;
}
public void setPassword(final String password)
{
this.password = password;
}
public OlapConnection createConnection(final String user, final String password) throws SQLException
{
try
{
final DataSource ds = dataSourceService.getDataSource(connectionPath);
final String realUser;
final String realPassword;
if (username != null)
{
realUser = username;
}
else
{
realUser = user;
}
if (this.password != null)
{
realPassword = this.password;
}
else
{
realPassword = password;
}
if (realUser == null)
{
final Connection connection = ds.getConnection();
if (connection == null)
{
throw new SQLException("JNDI DataSource is invalid; it returned null without throwing a meaningful error.");
}
if (connection instanceof OlapConnection)
{
return (OlapConnection) connection;
}
if (connection instanceof OlapWrapper)
{
final OlapWrapper wrapper = (OlapWrapper) connection;
return wrapper.unwrap(OlapConnection.class);
}
throw new SQLException("Unable to unwrap the connection: " + connectionPath); //$NON-NLS-1$
}
final Connection connection = ds.getConnection(realUser, realPassword);
if (connection == null)
{
throw new SQLException("JNDI DataSource is invalid; it returned null without throwing a meaningful error.");
}
if (connection instanceof OlapConnection)
{
return (OlapConnection) connection;
}
if (connection instanceof OlapWrapper)
{
final OlapWrapper wrapper = (OlapWrapper) connection;
return wrapper.unwrap(OlapConnection.class);
}
return connection.unwrap(OlapConnection.class);
}
catch (DatasourceServiceException ne)
{
JndiConnectionProvider.logger.warn("Failed to access the JDNI-System", ne);
throw new SQLException("Failed to access the JNDI system");
}
}
public Object getConnectionHash()
{
final ArrayList<Object> list = new ArrayList<Object>();
list.add(getClass().getName());
list.add(connectionPath);
list.add(username);
return list;
}
public boolean equals(final Object o)
{
if (this == o)
{
return true;
}
if (o == null || getClass() != o.getClass())
{
return false;
}
final JndiConnectionProvider that = (JndiConnectionProvider) o;
if (connectionPath != null ? !connectionPath.equals(that.connectionPath) : that.connectionPath != null)
{
return false;
}
if (password != null ? !password.equals(that.password) : that.password != null)
{
return false;
}
if (username != null ? !username.equals(that.username) : that.username != null)
{
return false;
}
return true;
}
public int hashCode()
{
int result;
result = (connectionPath != null ? connectionPath.hashCode() : 0);
result = 31 * result + (username != null ? username.hashCode() : 0);
result = 31 * result + (password != null ? password.hashCode() : 0);
return result;
}
private void readObject(final ObjectInputStream stream)
throws IOException, ClassNotFoundException
{
stream.defaultReadObject();
dataSourceService = ClassicEngineBoot.getInstance().getObjectFactory().get(DataSourceService.class);
}
}