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From Aleksander Slominski <>
Subject [Axis2] identifying MTOM/XOP
Date Thu, 10 Mar 2005 04:56:49 GMT

as i was asked to send it during irc chat but before talking about 
identification: i recommend this article:  Evolution of Web Services 
Attachments Technologies (Canyang Kevin Liu and Sanjay Patil)

it does very good job of going though history of WS with attachments and 
comparing approaches

about identification: i thin that relying on transport to have 
type="application/xop+xml" in transport packaging should be enough (for 
HTTP it is: Content-Type: Multipart/Related;boundary=MIME_boundary; 

if XOP is detected then XOP Infoset is first created then it is later 
(at least in logical sense) resolved to "Original" Infoset - in infoset 
view there is no difference between BASE64 that is just text and one 
backed by binary attachments so there is need for OM API to identify 
(OMBlob?) and deal with very large attachments (stream in/out of fles 
like in AXIS1 and/or make it extensible)


The best way to predict the future is to invent it - Alan Kay

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