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I'm working on a couple of browser detection routines for use with
my servlets. Since JServ and Tomcat are both strict adherents to the
Sun Servlet specs, I was wondering from others how I might implement
this.
Frankly the fact that there is no simple, unified client detection
API in the servlet API (that I am aware of) is laughable. If I am
missing something, please let me know so that I don't duplicate
efforts. ASPs have the browscap object. It seems to me that everyone
else, including the JSP/Servlet community, is reinventing the wheel
every time.
At any rate, I had simply made some interfaces and a default
implementation so that, like the servlet API, no one was locked into a
particular setup but the API remains constant. However, everything I
have been doing so far requires the user agent string to be passed in a
constructor. I would think that a cleaner implementation would be to
simply add it as a method of the HttpServletRequest interface (eg.
request.getUserAgent().isNetscape(). But that breaks the spec and you
would need an interface on top of the servlet API.
Any suggestions? I would like to implement something that would
seem the most "logical" to many people.
- Miles Elam
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