src.openwfe.org.sql.ds.AdHocDataSource Maven / Gradle / Ivy
/*
* Copyright (c) 2001-2006, John Mettraux, OpenWFE.org
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* . Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* . Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* . Neither the name of the "OpenWFE" nor the names of its contributors may be
* used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* $Id: AdHocDataSource.java 2713 2006-06-01 14:38:45Z jmettraux $
*/
//
// AdHocDataSource.java
//
// [email protected]
//
// generated with
// jtmpl 1.1.01 2004/05/19 ([email protected])
//
package openwfe.org.sql.ds;
import java.sql.Connection;
import java.sql.SQLException;
import javax.sql.DataSource;
import openwfe.org.ServiceException;
import openwfe.org.ApplicationContext;
/**
* A data source for embedded OpenWFE ease of use : simply wraps a SQL
* connection or a SQL datasource.
*
* CVS Info :
*
$Author: jmettraux $
*
$Id: AdHocDataSource.java 2713 2006-06-01 14:38:45Z jmettraux $
*
* @author [email protected]
*/
public class AdHocDataSource
extends OwfeDataSource
{
/*
private final static org.apache.log4j.Logger log = org.apache.log4j.Logger
.getLogger(AdHocDataSource.class.getName());
*/
//
// CONSTANTS & co
/**
* An adhoc data source awaits either a 'datasource' or a 'connection'
* parameter, if both may be found, the datasource will be used ;
* The datasource or the connection will then get wrapped and used, it
* allows thus a developer to set up its connection the way he likes and
* to then make it available to OpenWFE components through this
* OwfeDataSource implementation.
*/
public final static String P_DATASOURCE
= "datasource";
/**
* An adhoc data source awaits either a 'datasource' or a 'connection'
* parameter, if both may be found, the datasource will be used ;
* The datasource or the connection will then get wrapped and used, it
* allows thus a developer to set up its connection the way he likes and
* to then make it available to OpenWFE components through this
* OwfeDataSource implementation.
*/
public final static String P_CONNECTION
= "connection";
//
// FIELDS
//private Connection wrappedConnection = null;
//
// CONSTRUCTORS
public void init
(final String serviceName,
final ApplicationContext context,
final java.util.Map serviceParams)
throws
ServiceException
{
super.init(serviceName, context, serviceParams);
DataSource datasource =
(DataSource)serviceParams.get(P_DATASOURCE);
final Connection connection =
(Connection)serviceParams.get(P_CONNECTION);
if (datasource == null)
{
if (connection == null)
{
throw new ServiceException
("Parameter 'datasource' or 'connection' is missing, "+
"cannot set up AdHocDataSource");
}
//this.wrappedConnection = connection;
datasource = new DataSource()
//
// only implements getConnection()
{
public Connection getConnection ()
throws SQLException
{
//return wrappedConnection;
return connection;
}
public Connection getConnection (String u, String p)
throws SQLException
{
return null;
}
public void setLogWriter (java.io.PrintWriter w)
throws SQLException
{
}
public java.io.PrintWriter getLogWriter ()
{
return null;
}
public void setLoginTimeout (int seconds)
throws SQLException
{
}
public int getLoginTimeout ()
{
return -1;
}
};
}
this.setDataSource(datasource);
}
//
// METHODS
//
// METHODS from OwfeDataSource
/**
* Returns null : an AdHocDataSource instance will thus never
* check if its wrapped connection is valid.
*/
public String getConnectionValiditySqlCode ()
{
return null;
}
//
// STATIC METHODS
}