- From: Hutchison, Nigel <Nigel.Hutchison@softwareag.com>
- Date: Thu, 16 May 2002 08:53:39 +0200
- To: "'Tim Bray'" <tbray@textuality.com>, David Orchard <dorchard@bea.com>
- Cc: "'XML Protocol Discussion'" <xml-dist-app@w3.org>, www-tag@w3.org
Tim, If you make the separator ";" it will make it harder to build HMTL interfaces that use forms and a GET method. regards Nigel Nigel W.O Hutchison Chief Scientist, W3C AC Representative Software AG Uhlandstr 12, D-64297 Darmstadt, Germany Tel +49 6151 92 1207 > -----Original Message----- > From: Tim Bray [mailto:tbray@textuality.com] > Sent: Wednesday, May 15, 2002 2:22 AM > To: David Orchard > Cc: 'XML Protocol Discussion'; www-tag@w3.org > Subject: Re: TAG document: SOAP HTTP GET binding available > > > David Orchard wrote: > > http://www.w3.org/2001/tag/doc/ws-uri.html > > Quoting from the above, the SOAP request packet: > > <env:Envelope xmlns:env="http://www.w3.org/2001/12/soap-envelope"> > <env:Body> > <r:GetLastTradePrice > env:encodingStyle="http://www.w3.org/2001/12/soap-encoding" > xmlns:r="http://example.org/2001/06/quotes"> > <r:Symbol>DEF</r:Symbol> > </r:GetLastTradePrice> > </env:Body> > </env:Envelope> > > is URI-encoded as (I fixed a couple of what look like typos to me) > > http://example.org/stockService/LastTradingPrice& > xmlnsuri=/2001/06/quotes&encodingStyle=http://www.w3.org/2001/ > 12/soap-encoding&Symbol=DEF > > > Let me suggest a couple of potential improvements: > > 1. Place a '?' rather than a '&' after the name of the > service, why not > make this look like a conventional CGI encoding. > 2. Use ';' rather than '&' to separate arguments, so they'll > be easier > to store in XML documents > > Thus: > > http://example.org/stockService/LastTradingPrice? > xmlnsuri=/2001/06/quotes;encodingStyle=http://www.w3.org/2001/ > 12/soap-encoding;Symbol=DEF > > > Next, we have a problem in that it's hard to distinguish > built-in SOAP > machinery (the ns URI and the encoding style) from the > service arguments > ("Symbol" in this case). Suppose you had an argument named > "encodingStyle"? We need some syntax to signal this. A > perusal of SOAP > doesn't reveal any characters which are guaranteed not to show up as > service names, but RFC2396's "mark" (part of "unreserved") production > has lots of candidates. > > mark = "-" | "_" | "." | "!" | "~" | "*" | "'" | "(" | ")" > > As a strawman I propose that built-ins start with '*' and > that they be > given conventional shorter names, *ns and *enc. Thus > > http://example.org/stockService/LastTradingPrice? > *ns=/2001/06/quotes;*enc=http://www.w3.org/2001/12/soap-encodi ng;Symbol=DEF > > Finally, I propose that encodingStyle's values be supplied as > follows: > by default, if '*enc' is absent, the encoding style is > w3.orc/soap-encoding as in the example above. Otherwise you > supply the > URI for your encoding. Thus: > > http://example.org/stockService/LastTradingPrice?*ns=/2001/06/ quotes;Symbol=DEF -Tim
Received on Thursday, 16 May 2002 02:54:01 UTC