[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: Corba data -> XML
At 12:25 PM 9/22/98 -0400, Thillai wrote: >I know only little bit about XML. I like to know whether a CORBA operation >can be expressed in XML document type definition? You are looking for an Interface Definition Language (IDL) expressed in XML. There are now a few of them floating around. webMethods has one called WIDL (Web IDL). It is an 80/20 IDL -- 80% of the functionality of conventional IDLs with 20% of the complexity. It can't express any CORBA interface, but it can express about 80% of the ones that show up in practice. You can learn a little about this IDL from this URL: http://www.webmethods.com/xml/widl_wp.html Unfortunately, this URL is a bit dated and does not distinguish between WIDL specifications and WIDL mappings. A WIDL mapping is a way to implement a specification so that the interface wraps up an HTML or XML web site. You might instead read a chapter I wrote Charles Goldfarbs' _The_XML_Handbook_. The chapter is titled "WIDL and XML RPC." For an example application of WIDL with XML RPC, see the chapter titled "Supply chain integration." John Tigue of Datachannel also developed an IDL in XML. It's part of a well-thought-out framework of XML technologies for RPC. You can find his work at this URL: http://www.w3.org/Submission/1998/07/ His IDL and RPC format are intended to serve as a superset of both CORBA and DCOM. An amazing feat. It quite a bit more complicated than WIDL, but you'll probably want it if your problem space falls into the 20% area that WIDL is missing. -- Joe Lapp, Senior Engineer | jlapp@w... webMethods, Inc. | Voice: 703-267-1726 http://www.webMethods.com | Fax: 703-352-0370 xml-dev: A list for W3C XML Developers. To post, mailto:xml-dev@i... Archived as: http://www.lists.ic.ac.uk/hypermail/xml-dev/ To (un)subscribe, mailto:majordomo@i... the following message; (un)subscribe xml-dev To subscribe to the digests, mailto:majordomo@i... the following message; subscribe xml-dev-digest List coordinator, Henry Rzepa (mailto:rzepa@i...)
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