org.ow2.easybeans.component.jdbcpool.DataSourceFactory Maven / Gradle / Ivy
/**
* EasyBeans
* Copyright (C) 2006 Bull S.A.S.
* Contact: [email protected]
*
* 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 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
*
* --------------------------------------------------------------------------
* $Id: DataSourceFactory.java 2237 2008-01-18 14:11:15Z benoitf $
* --------------------------------------------------------------------------
*/
package org.ow2.easybeans.component.jdbcpool;
import java.util.Hashtable;
import javax.naming.Context;
import javax.naming.Name;
import javax.naming.Reference;
import javax.naming.spi.ObjectFactory;
import org.ow2.util.log.Log;
import org.ow2.util.log.LogFactory;
/**
* Class which is used for binding the ConnectionManager object. getReference()
* method of ConnectionManager redirect to this class. The getObjectInstance()
* method will be called for the JNDI lookup
* @author Florent Benoit
*/
public class DataSourceFactory implements ObjectFactory {
/**
* Logger.
*/
private static Log logger = LogFactory.getLog(DataSourceFactory.class);
/**
* Creates an object using the location or reference information specified.
* It gets a connection manager of this server.
* @param obj The possibly null object containing location or reference
* information that can be used in creating an object.
* @param name The name of this object relative to nameCtx,
* or null if no name is specified.
* @param nameCtx The context relative to which the name
* parameter is specified, or null if name is relative
* to the default initial context.
* @param environment The possibly null environment that is used in creating
* the object.
* @return The object created; null if an object cannot be created.
* @throws Exception if this object factory encountered an exception while
* attempting to create an object, and no other object factories are
* to be tried.
*/
public Object getObjectInstance(final Object obj, final Name name, final Context nameCtx, final Hashtable environment)
throws Exception {
Reference ref = (Reference) obj;
String dsname = (String) ref.get("datasource.name").getContent();
ConnectionManager ds = ConnectionManager.getConnectionManager(dsname);
if (ds == null) {
// The DataSource was not in the EasyBeans Server: Create it.
logger.debug("Creating a new Connection Manager for {0}", dsname);
try {
// build a new datasource for another server
ds = new ConnectionManager();
ds.setDSName(dsname);
ds.setUrl((String) ref.get("datasource.url").getContent());
ds.setClassName((String) ref.get("datasource.classname").getContent());
ds.setUserName((String) ref.get("datasource.username").getContent());
ds.setPassword((String) ref.get("datasource.password").getContent());
ds.setTransactionIsolation((String) ref.get("datasource.isolationlevel").getContent());
ds.poolConfigure((String) ref.get("connchecklevel").getContent(),
(String) ref.get("connmaxage").getContent(), (String) ref.get("maxopentime").getContent(),
(String) ref.get("connteststmt").getContent(), (String) ref.get("pstmtmax").getContent(),
(String) ref.get("minconpool").getContent(), (String) ref.get("maxconpool").getContent(),
(String) ref.get("maxwaittime").getContent(), (String) ref.get("maxwaiters").getContent(),
(String) ref.get("samplingperiod").getContent());
} catch (Exception e) {
logger.error("DataSourceFactory error", e);
}
}
return ds;
}
}