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doubt in servlets

 
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hai everyone,

my doubt is when we are writing an servlet application how to know whether the request is coming from browser(form request from browser) or mobile devices? and if i want to send my response to mobile device rather than to browser how i can send?

//the request may be get or post

Murali,
SCJP 1.4.
 
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The User-Agent request header should give you a good idea.

See:
http://java.sun.com/j2ee/1.4/docs/api/javax/servlet/http/HttpServletRequest.html#getHeader(java.lang.String)
 
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