On Tue, 14 Nov 2000, Satyabrata Dash wrote:
> URL encoding is one of the methods available to achieve URL rewriting.
This is not correct. "Encoding" could mean anything, but the standard
meaning of "URL Encoding" in the HTTP world, as indicated by the
URLEncoder (and URLDecoder) class, is to modify the URL (usually the
query string or the path info portion of it) so that problematic
characters are removed, like spaces and such. This allows the URL to
be passed, parsed, and interpreted as desired. Spaces are replaced by
'+'s, and other characters are replaced by "%XX", where "XX" are the
last two hex digits of the characters' UNICODE/ASCII value (or
something like that). Check the source for URLEncoder/URLDecoder.
URL Rewriting is part of the servlet spec, available as an alternative
means (other than cookies) of associating a request with a session, by
including the session id in the URL. There are methods in the servlet
API that facilitate this. More info is available in the servlet spec
and API.
> -----Original Message-----
> From: Arunkumar S [mailto:[EMAIL PROTECTED]]
> Sent: Tuesday, November 14, 2000 10:46 AM
> To: [EMAIL PROTECTED]
> Subject: Differnece bettweek URL Rewriting and URL Encoding
>
>
> Can any one tell me the differnence between URL Rewriting and URL
> Encoding
> and where they are used .
>
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Milt Epstein
Research Programmer
Software/Systems Development Group
Computing and Communications Services Office (CCSO)
University of Illinois at Urbana-Champaign (UIUC)
[EMAIL PROTECTED]
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