[xsl] Referencing Multiple Schemas via a Single Schema

["Garvin Franco" <garvin_franco@xxxxxxxxxxx>]

I would appreciate any advice available on the following problem I am trying 
to solve. I have an XSLT style sheet and have been successful transforming 
the source xml message to the required output format. I also validated the 
instance document against the schemas and the document is valid as defined 
below.
My problem is that I have an instance document pointing to multiple Schemas 
and have to reference each schema in the  instance document. Is there anyway 
I can wrap the contents of multiple schemas into once schema and reference 
that schema which would then import the required schemas? These schemas are 
all defined in their own namespaces. I find the schemaLocation attribute in 
my instance document a bit messy. I

aOrder.xsd    --> defines the message content and imports xmlsi_common.xsd & 
bOrder.xsd

xmlsi_base.xsd   --> defines the root, header and msg body and imports 
xmlsi_common.xsd & xmlsi_header.xsd

Sample of the instance document:

<?xml version="1.0"?>
<bs:AMsg xmlns:mpo="file:///c:/xerces-2_0_1/data/msg/aOrder"
	xmlns:eqo="file:///c:/xerces-2_0_1/data/msg/bOrder"
	xmlns:bs="file:///c:/xerces-2_0_1/data/msg/base"
	xmlns:com="file:///c:/xerces-2_0_1/data/msg/common"
   xmlns:hdr="file:///c:/xerces-2_0_1/data/msg/header"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";

	xsi:schemaLocation="file:///c:/xerces-2_0_1/data/msg/aOrder
						file:///c:/xerces-2_0_1/data/msg/aOrder/aOrder.xsd
						file:///c:/xerces-2_0_1/data/msg/base
						file:///c:/xerces-2_0_1/data/msg/base/xmlsi_base.xsd
						file:///c:/xerces-2_0_1/data/msg/header
						file:///c:/xerces-2_0_1/data/msg/header/xmlsi_header.xsd
						file:///c:/xerces-2_0_1/data/msg/common
						file:///c:/xerces-2_0_1/data/msg/common/xmlsi_common.xsd
						file:///c:/xerces-2_0_1/data/msg/bOrder
						file:///c:/xerces-2_0_1/data/msg/bOrder/bOrder.xsd">

  <bs:AHdrReq>
   <hdr:appName>SYSTEM</hdr:appName>
	<hdr:clientDt>12/06/2002</hdr:clientDt>
	<hdr:serviceName>ORDP</hdr:serviceName>
	<hdr:ReqID>123456789</hdr:ReqID>
	<hdr:proprietaryIdentification>999</hdr:proprietaryIdentification>
  </bs:AHdrReq>
  <bs:ABodyReq>
   <mpo:EQOrderReq>
	 <com:processingReference>MP12345</com:processingReference>
	 <com:symbol>LAK</com:symbol>
	 <com:reference>SYS</com:reference>
	 <com:domesticAccount>3351234520</com:domesticAccount>
	 <eqo:side>Buy</eqo:side>
	 <eqo:orderFunction>ORD</eqo:orderFunction>
	 <eqo:userIdentifier>JDOE</eqo:userIdentifier>
	</mpo:EQOrderReq>
  </bs:ABodyReq>
</bs:AMsg>


Again, I would gladly appreciate any insight into this problem. If more info 
is required, please don't hesitate to ask.


Thanks
Garvin

email: garvin_franco@xxxxxxxxxxx



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