How to determine the encoding of a webresponse stream?

How to开发者_运维技巧 determine the encoding of a webresponse stream ?

I presume you're interested in HTML content. Actually this is not really an easy task. What most browsers do is use the encoding, the unicode bytes (at the start of your document) and HTML headers as hints, while trying different charsets to see if there's a '

The details of the algorithm are outlined in 8.2.2.1 of the HTML5 specification, see: http://www.w3.org/html/wg/drafts/html/master/single-page.html .