/*
* 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: ArjunaContextImple.java,v 1.11.4.1 2005/11/22 10:36:15 kconner Exp $
*/
package com.arjuna.mwlabs.wst11.at.context;
import com.arjuna.ats.arjuna.coordinator.ActionHierarchy;
import com.arjuna.mw.wsas.UserActivityFactory;
import com.arjuna.mw.wsas.activity.ActivityHierarchy;
import com.arjuna.mw.wsas.context.Context;
import com.arjuna.mw.wsas.context.ContextManager;
import com.arjuna.mw.wsas.context.soap.SOAPContext;
import com.arjuna.mw.wsas.exceptions.SystemException;
import com.arjuna.mw.wscf.utils.DomUtil;
import com.arjuna.mw.wstx.logging.wstxLogger;
import com.arjuna.mwlabs.wscf.model.twophase.arjunacore.ACCoordinator;
import com.arjuna.webservices11.wsat.AtomicTransactionConstants;
import com.arjuna.webservices11.wscoor.CoordinationConstants;
import org.w3c.dom.Element;
import javax.xml.parsers.DocumentBuilder;
/**
* On demand this class creates the SOAP context information necessary to
* propagate the hierarchy of coordinators associated with the current thread.
*
* @author Mark Little (mark.little@arjuna.com)
* @version $Id: ArjunaContextImple.java,v 1.11.4.1 2005/11/22 10:36:15 kconner Exp $
*/
public class ArjunaContextImple implements SOAPContext
{
public ArjunaContextImple()
{
_context = null;
}
public ArjunaContextImple(ACCoordinator currentCoordinator)
{
_context = null;
initialiseContext(currentCoordinator);
}
/**
* Serialise the SOAP context into a DOM node.
* @param element The element to contain the serialisation.
* @return the element added.
*/
public Element serialiseToElement(final Element element)
{
final Element context = context() ;
element.appendChild(context) ;
return context ;
}
public void initialiseContext(Object param)
{
try
{
ACCoordinator currentCoordinator = (ACCoordinator) param;
ActivityHierarchy hier = null;
try
{
hier = UserActivityFactory.userActivity().currentActivity();
}
catch (SystemException ex)
{
ex.printStackTrace();
}
if ((currentCoordinator != null) && (hier != null))
{
/*
* Do the manditory stuff first.
*/
ActionHierarchy txHier = currentCoordinator.getHierarchy();
final int depth = txHier.depth() ;
_identifierValues = new String[depth] ;
_expiresValues = new int[depth] ;
_identifierValues[0] = txHier.getDeepestActionUid().stringForm() ;
_expiresValues[0] = hier.activity(hier.size()-1).getTimeout() ;
/*
* Now let's do the optional stuff.
*/
for(int count = 1, index = 0 ; count < depth ; count++, index++)
{
_identifierValues[count] = txHier.getActionUid(index).stringForm() ;
_expiresValues[count] = hier.activity(index).getTimeout() ;
}
}
}
catch (ClassCastException ex)
{
throw new IllegalArgumentException();
}
}
/**
* @return the context document object.
*/
private synchronized Element context()
{
// TODO - work out which bits of this we can do using JAXB
// TODO - sort out expires etc
if (_context == null)
{
DocumentBuilder builder = DomUtil.getDocumentBuilder();
org.w3c.dom.Document doc = builder.newDocument();
_context = doc.createElement("wscoor:" + _contextName);
_context.setAttribute("xmlns:wsu", _wsuNamespace);
_context.setAttribute("xmlns:wscoor", _wscoorNamespace);
_context.setAttribute("xmlns:arjuna", _arjunaNamespace);
if (_identifierValues != null)
{
/*
* Do the manditory stuff first.
*/
Element identifier = doc.createElement("wsu:"+_identifier);
identifier.appendChild(doc.createTextNode(_identifierValues[0]));
_context.appendChild(identifier);
Element expires = doc.createElement("wsu:"+_expires);
expires.appendChild(doc.createTextNode(Integer.toString(_expiresValues[0])));
_context.appendChild(expires);
Element coordinationType = doc.createElement("wscoor:" + _coordinationType);
coordinationType.appendChild(doc.createTextNode(AtomicTransactionConstants.WSAT_PROTOCOL));
_context.appendChild(coordinationType);
/*
* Now let's do the optional stuff.
*/
final int depth = _identifierValues.length ;
if (depth > 1)
{
Element extensionRoot = doc.createElement("arjuna:"+_contextName);
for(int count = 1 ; count < depth ; count++)
{
identifier = doc.createElement("arjuna:"+_identifier);
identifier.appendChild(doc.createTextNode(_identifierValues[count]));
extensionRoot.appendChild(identifier);
expires = doc.createElement("arjuna:"+_expires);
expires.appendChild(doc.createTextNode(Integer.toString(_expiresValues[count])));
extensionRoot.appendChild(expires);
}
_context.appendChild(extensionRoot);
}
}
}
return _context ;
}
public String identifier ()
{
return ArjunaContextImple.class.getName();
}
public String getTransactionIdentifier()
{
return _identifierValues[0] ;
}
public int getTransactionExpires()
{
return _expiresValues[0] ;
}
public String toString ()
{
return DomUtil.nodeAsString(_context);
}
/**
* @message com.arjuna.mwlabs.wst11.at.context.ArjunaContextImple_1 [com.arjuna.mwlabs.wst11.at.context.ArjunaContextImple_1] - ignoring context:
*/
public static ArjunaContextImple getContext()
{
ContextManager cxman = new ContextManager();
Context[] contexts = cxman.contexts();
for (int i = 0; i < contexts.length; i++)
{
if (contexts[i].identifier().equals(ArjunaContextImple.class.getName()))
{
if (contexts[i] instanceof ArjunaContextImple)
{
return (ArjunaContextImple)contexts[i] ;
}
else
{
wstxLogger.arjLoggerI18N.warn("com.arjuna.mwlabs.wst11.at.context.ArjunaContextImple_1",
new Object[]{contexts[i]});
}
break;
}
}
return null ;
}
private Element _context;
private String[] _identifierValues ;
private int[] _expiresValues ;
private static final String _wscoorNamespace = CoordinationConstants.WSCOOR_NAMESPACE;
private static final String _wsuNamespace = "http://schemas.xmlsoap.org/ws/2002/07/utility";
private static final String _arjunaNamespace = "http://arjuna.com/schemas/wsc/2003/01/extension";
private static final String _contextName = CoordinationConstants.WSCOOR_ELEMENT_COORDINATION_CONTEXT;
private static final String _identifier = CoordinationConstants.WSCOOR_ELEMENT_IDENTIFIER;
private static final String _expires = CoordinationConstants.WSCOOR_ELEMENT_EXPIRES;
private static final String _coordinationType = CoordinationConstants.WSCOOR_ELEMENT_COORDINATION_TYPE;
}