protected String getRequestData ( ) throws ActivityException { Object request = null ; String requestVarName = getAttributeValue ( REQUEST_VARIABLE ) ; if ( requestVarName == null ) throw new ActivityException ( "Missing attribute: " + REQUEST_VARIABLE ) ; String requestVarType = getParameterType ( requestVarName ) ; request = getParameterValue ( requestVarName ) ; if ( ! hasPreScript ( ) ) { if ( request == null ) throw new ActivityException ( "Request data is null: " + requestVarName ) ; if ( ! ( request instanceof DocumentReference ) ) throw new ActivityException ( "Request data must be a DocumentReference: " + requestVarName ) ; } try { Object requestObj = request == null ? null : getDocument ( ( DocumentReference ) request , requestVarType ) ; if ( hasPreScript ( ) ) { Object ret = executePreScript ( requestObj ) ; if ( ret == null ) { // nothing returned; requestVar may have been assigned by script Object req = getParameterValue ( requestVarName ) ; if ( req == null ) throw new ActivityException ( "Request data is null: " + requestVarName ) ; requestObj = getDocument ( ( DocumentReference ) req , requestVarType ) ; } else { requestObj = ret ; setParameterValueAsDocument ( requestVarName , this . getProcessDefinition ( ) . getVariable ( requestVarName ) . getType ( ) , requestObj ) ; } } soapRequest = createSoapRequest ( requestObj ) ; return DomHelper . toXml ( soapRequest . getSOAPPart ( ) . getDocumentElement ( ) ) ; } catch ( TransformerException ex ) { throw new ActivityException ( ex . getMessage ( ) , ex ) ; } }
Builds the request XML .