/*
* JBoss, Home of Professional Open Source
* Copyright 2006, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags.
* See the copyright.txt in the distribution for a full listing
* of individual contributors.
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU Lesser General Public License, v. 2.1.
* This program is distributed in the hope that it will be useful, but WITHOUT A
* 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,
* v.2.1 along with this distribution; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*
* (C) 2005-2006,
* @author JBoss Inc.
*/
/*
* Copyright (C) 2002,
*
* Arjuna Technologies Limited,
* Newcastle upon Tyne,
* Tyne and Wear,
* UK.
*
* $Id: UserCoordinatorFactory.java,v 1.12 2005/05/19 12:13:20 nmcl Exp $
*/
package com.arjuna.mw.wscf11;
import com.arjuna.mw.wscf.logging.wscfLogger;
import com.arjuna.mw.wscf.common.CoordinatorXSD;
import com.arjuna.mwlabs.wscf.utils.ProtocolLocator;
import com.arjuna.mwlabs.wscf.UserCoordinatorImple;
import com.arjuna.mw.wscf11.protocols.*;
import com.arjuna.mw.wscf.utils.*;
import com.arjuna.mw.wscf.exceptions.ProtocolNotRegisteredException;
import com.arjuna.mw.wscf.UserCoordinator;
import com.arjuna.mw.wsas.exceptions.SystemException;
import java.util.HashMap;
import java.io.FileNotFoundException;
/**
* The factory which returns the UserCoordinator implementation to use.
*
* @author Mark Little (mark.little@arjuna.com)
* @version $Id: UserCoordinatorFactory.java,v 1.12 2005/05/19 12:13:20 nmcl Exp $
* @since 1.0.
*/
public class UserCoordinatorFactory
{
/**
* @exception com.arjuna.mw.wscf.exceptions.ProtocolNotRegisteredException Thrown if the default
* protocol is not available.
*
* @return the UserCoordinator implementation to use. The default
* coordination protocol is used (two-phase commit) with its
* associated implementation.
*
* @message com.arjuna.mw.wscf11.UCF_1 [com.arjuna.mw.wscf11.UCF_1] - Failed to create {0} doc!
*/
public static UserCoordinator userCoordinator () throws ProtocolNotRegisteredException, SystemException
{
try
{
ProtocolLocator pl = new ProtocolLocator(com.arjuna.mwlabs.wscf.model.as.coordinator.arjunacore.ArjunaCoreHLS.class);
org.w3c.dom.Document doc = pl.getProtocol();
if (doc == null)
{
wscfLogger.arjLoggerI18N.warn("com.arjuna.mw.wscf11.UCF_1",
new Object[]{com.arjuna.mwlabs.wscf.model.as.coordinator.arjunacore.ArjunaCoreHLS.class.getName()});
}
else
return userCoordinator(doc);
}
catch (Exception ex)
{
ex.printStackTrace();
throw new SystemException(ex.toString());
}
return null;
}
/**
* Obtain a reference to a coordinator that implements the specified
* protocol.
*
* @param protocol The XML definition of the type of
* coordination protocol required.
*
* @exception com.arjuna.mw.wscf.exceptions.ProtocolNotRegisteredException Thrown if the requested
* protocol is not available.
*
* @return the UserCoordinator implementation to use.
*/
/*
* Have the type specified in XML. More data may be specified, which
* can be passed to the implementation in the same way ObjectName was.
*/
public static UserCoordinator userCoordinator (org.w3c.dom.Document protocol) throws ProtocolNotRegisteredException, SystemException
{
try
{
synchronized (_implementations)
{
org.w3c.dom.Text child = DomUtil.getTextNode(protocol, CoordinatorXSD.coordinatorType);
String protocolType = child.getNodeValue();
UserCoordinatorImple coord = (UserCoordinatorImple) _implementations.get(protocolType);
if (coord == null)
{
Object implementation = _protocolManager.getProtocolImplementation(protocol);
coord = new UserCoordinatorImple(implementation);
_implementations.put(protocolType, coord);
}
return coord;
}
}
catch (ProtocolNotRegisteredException ex)
{
throw ex;
}
catch (Exception ex)
{
ex.printStackTrace();
throw new SystemException(ex.toString());
}
}
private static ProtocolManager _protocolManager = ProtocolRegistry.sharedManager();
private static HashMap _implementations = new HashMap();
static
{
try
{
com.arjuna.mw.wsas.utils.Configuration.initialise("/wscf.xml");
}
catch (FileNotFoundException ex)
{
}
catch (Exception ex)
{
throw new ExceptionInInitializerError(ex.toString());
}
}
}