Bjr,
Mon soucis concerne la récupération du soap envelope d'un dom document. J'ai écrit la classe suivante:

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public static SOAPEnvelope getSOAPEnvelopeFromDOMDocument(Document doc, boolean useDoom) 
throws WSSecurityException { 
 
Element documentElement = doc.getDocumentElement(); 
if (documentElement instanceof SOAPEnvelope) { 
SOAPEnvelope env = (SOAPEnvelope)documentElement; 
// If the DOM tree already implements the Axiom API and the corresponding 
// Axiom implementation is also used as default implementation, then just return 
// the SOAPEnvelope directly. Note that this will never be the case for DOOM, 
// but may be the case for a non standard Axiom implementation. 
if (env.getOMFactory().getMetaFactory() == OMAbstractFactory.getMetaFactory()) { 
return env; 
} 
} 
 
if(useDoom) { 
try { 
//Get processed headers 
SOAPEnvelope env = (SOAPEnvelope)doc.getDocumentElement(); 
ArrayList processedHeaderQNames = new ArrayList(); 
SOAPHeader soapHeader = env.getHeader(); 
 
if(soapHeader != null) { 
Iterator headerBlocs = soapHeader.getChildElements(); 
while (headerBlocs.hasNext()) { 
 
OMElement element = (OMElement)headerBlocs.next(); 
SOAPHeaderBlock header = null; 
 
if (element instanceof SOAPHeaderBlock) { 
header = (SOAPHeaderBlock) element; 
 
// If a header block is not an instance of SOAPHeaderBlock, it means that 
// it is a header we have added in rampart eg. EncryptedHeader and should 
// be converted to SOAPHeaderBlock for processing 
} else { 
header = soapHeader.addHeaderBlock(element.getLocalName(), element.getNamespace()); 
Iterator attrIter = element.getAllAttributes(); 
while (attrIter.hasNext()) { 
OMAttribute attr = (OMAttribute)attrIter.next(); 
header.addAttribute(attr.getLocalName(), attr.getAttributeValue(), attr.getNamespace()); 
} 
Iterator nsIter = element.getAllDeclaredNamespaces(); 
while (nsIter.hasNext()) { 
OMNamespace ns = (OMNamespace) nsIter.next(); 
header.declareNamespace(ns); 
} 
// retrieve all child nodes (including any text nodes) 
// and re-attach to header block 
Iterator children = element.getChildren(); 
while (children.hasNext()) { 
OMNode child = (OMNode)children.next(); 
children.remove(); 
header.addChild(child); 
} 
 
headerBlocs.remove(); 
 
soapHeader.build(); 
 
header.setProcessed(); 
 
} 
 
if(header.isProcessed()) { 
processedHeaderQNames.add(element.getQName()); 
} 
} 
 
} 
XMLStreamReader reader = ((OMElement) doc.getDocumentElement()) 
.getXMLStreamReader(); 
SOAPModelBuilder stAXSOAPModelBuilder = OMXMLBuilderFactory.createStAXSOAPModelBuilder( 
reader); 
SOAPEnvelope envelope = stAXSOAPModelBuilder.getSOAPEnvelope(); 
 
//Set the processed flag of the processed headers 
SOAPHeader header = envelope.getHeader(); 
for (Iterator iter = processedHeaderQNames.iterator(); iter 
.hasNext();) { 
QName name = (QName) iter.next(); 
Iterator omKids = header.getChildrenWithName(name); 
if(omKids.hasNext()) { 
((SOAPHeaderBlock)omKids.next()).setProcessed(); 
} 
} 
 
envelope.build(); 
 
return envelope; 
 
} catch (FactoryConfigurationError e) { 
throw new WSSecurityException(e.getMessage()); 
} 
} else { 
try { 
ByteArrayOutputStream os = new ByteArrayOutputStream(); 
XMLUtils.outputDOM(doc.getDocumentElement(), os, true); 
ByteArrayInputStream bais = new ByteArrayInputStream(os.toByteArray()); 
 
SOAPModelBuilder stAXSOAPModelBuilder = OMXMLBuilderFactory.createSOAPModelBuilder(bais, null); 
return stAXSOAPModelBuilder.getSOAPEnvelope(); 
} catch (Exception e) { 
throw new WSSecurityException(e.getMessage()); 
} 
} 
}
J'ai une erreur lors du cast qui me dit:
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exception in thread "main" java.lang.ClassCastException: com.sun.org.apache.xerces.internal.dom.DeferredElementNSImpl cannot be cast to org.apache.axiom.soap.SOAPEnvelope

Merci