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/*
* JBoss, Home of Professional Open Source
* Copyright 2007, 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) 2007,
* @author JBoss Inc.
*/
package com.arjuna.mw.wst11.client;
import com.arjuna.mw.wsc11.context.Context;
import com.arjuna.mw.wst.*;
import com.arjuna.mw.wst.common.SOAPUtil;
import com.arjuna.mw.wst11.common.CoordinationContextHelper;
import com.arjuna.mw.wst11.BusinessActivityManagerFactory;
import com.arjuna.mw.wst11.TransactionManager;
import com.arjuna.mw.wst11.TransactionManagerFactory;
import com.arjuna.mw.wstx.logging.wstxLogger;
import com.arjuna.webservices11.wsat.AtomicTransactionConstants;
import com.arjuna.webservices11.wsba.BusinessActivityConstants;
import com.arjuna.webservices11.wscoor.CoordinationConstants;
import com.arjuna.mwlabs.wst11.at.context.TxContextImple;
import org.oasis_open.docs.ws_tx.wscoor._2006._06.CoordinationContextType;
import javax.xml.soap.*;
import java.util.Iterator;
/**
* Common base class for classes used to perform
* WS-Transaction context manipulation on SOAP messages.
*
*/
class JaxBaseHeaderContextProcessor
{
/**
* Handle the request.
* @param soapMessage The current message context.
*/
public boolean handleOutboundMessage(final SOAPMessage soapMessage)
{
if (soapMessage == null)
{
return true ;
}
try
{
/*
* There should either be an Atomic Transaction *or* a Business Activity
* associated with the thread.
*/
final TransactionManager transactionManager = TransactionManagerFactory.transactionManager() ;
final com.arjuna.mw.wst11.BusinessActivityManager businessActivityManager = BusinessActivityManagerFactory.businessActivityManager() ;
final Context atContext ;
if (transactionManager != null)
{
final TxContextImple txContext =
(TxContextImple)transactionManager.currentTransaction() ;
atContext = (txContext == null ? null : txContext.context()) ;
}
else
{
atContext = null ;
}
final Context baContext ;
if (businessActivityManager != null)
{
final com.arjuna.mwlabs.wst11.ba.context.TxContextImple txContext =
(com.arjuna.mwlabs.wst11.ba.context.TxContextImple)businessActivityManager.currentTransaction() ;
baContext = (txContext == null ? null : txContext.context()) ;
}
else
{
baContext = null ;
}
final CoordinationContextType coordinationContext ;
if (atContext != null)
{
coordinationContext = atContext.getCoordinationContext() ;
}
else if (baContext != null)
{
coordinationContext = baContext.getCoordinationContext() ;
}
else
{
coordinationContext = null ;
}
if (coordinationContext != null)
{
final SOAPEnvelope env = soapMessage.getSOAPPart().getEnvelope() ;
SOAPHeader header = env.getHeader() ;
if (header == null)
{
header = env.addHeader() ;
}
final Name name = env.createName(CoordinationConstants.WSCOOR_ELEMENT_COORDINATION_CONTEXT, CoordinationConstants.WSCOOR_PREFIX, CoordinationConstants.WSCOOR_NAMESPACE) ;
final SOAPHeaderElement headerElement = header.addHeaderElement(name) ;
headerElement.addNamespaceDeclaration(CoordinationConstants.WSCOOR_PREFIX, CoordinationConstants.WSCOOR_NAMESPACE) ;
headerElement.setMustUnderstand(true) ;
CoordinationContextHelper.serialise(coordinationContext, headerElement) ;
}
}
catch (final Throwable th) {
wstxLogger.i18NLogger.warn_mw_wst11_client_JaxHC11P_1("com.arjuna.mw.wst11.client.JaxBaseHeaderContextProcessor.handleRequest()", th);
}
return true ;
}
/**
* Resume the current transaction.
*
*/
protected void resumeTransaction(final SOAPMessage soapMessage)
{
if (soapMessage != null)
{
try
{
final SOAPEnvelope soapEnvelope = soapMessage.getSOAPPart().getEnvelope() ;
final SOAPHeaderElement soapHeaderElement = getHeaderElement(soapEnvelope, CoordinationConstants.WSCOOR_NAMESPACE, CoordinationConstants.WSCOOR_ELEMENT_COORDINATION_CONTEXT) ;
if (soapHeaderElement != null)
{
final CoordinationContextType cc = CoordinationContextHelper.deserialise(soapHeaderElement) ;
if (cc != null)
{
final String coordinationType = cc.getCoordinationType() ;
if (AtomicTransactionConstants.WSAT_PROTOCOL.equals(coordinationType))
{
final TxContext txContext = new TxContextImple(cc) ;
TransactionManagerFactory.transactionManager().resume(txContext) ;
}
else if (BusinessActivityConstants.WSBA_PROTOCOL_ATOMIC_OUTCOME.equals(coordinationType))
{
final TxContext txContext = new com.arjuna.mwlabs.wst11.ba.context.TxContextImple(cc);
BusinessActivityManagerFactory.businessActivityManager().resume(txContext) ;
}
else {
wstxLogger.i18NLogger.warn_mw_wst11_client_JaxHC11P_2("com.arjuna.mw.wst11.client.JaxBaseHeaderContextProcessor.resumeTransaction()", coordinationType);
}
}
}
}
catch (final Throwable th) {
wstxLogger.i18NLogger.warn_mw_wst11_client_JaxHC11P_1("com.arjuna.mw.wst11.client.JaxBaseHeaderContextProcessor.resumeTransaction()", th);
}
}
}
/**
* Retrieve the first header matching the uri and name.
* @param soapEnvelope The soap envelope containing the header.
* @param uri The uri of the header element.
* @param name The name of the header element.
* @return The header element or null if not found.
*/
private SOAPHeaderElement getHeaderElement(final SOAPEnvelope soapEnvelope, final String uri, final String name)
throws SOAPException
{
final SOAPHeader soapHeader = soapEnvelope.getHeader() ;
if (soapHeader != null)
{
final Iterator headerIter = SOAPUtil.getChildElements(soapHeader) ;
while(headerIter.hasNext())
{
final SOAPHeaderElement current = (SOAPHeaderElement)headerIter.next() ;
final Name currentName = current.getElementName() ;
if ((currentName != null) &&
match(name, currentName.getLocalName()) &&
match(uri, currentName.getURI()))
{
return current ;
}
}
}
return null ;
}
/**
* Do the two references match?
* @param lhs The first reference.
* @param rhs The second reference.
* @return true if the references are both null or if they are equal.
*/
private boolean match(final Object lhs, final Object rhs)
{
if (lhs == null)
{
return (rhs == null) ;
}
else
{
return lhs.equals(rhs) ;
}
}
}
