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From "Jared Jacobs (JIRA)" <j...@apache.org>
Subject [jira] Created: (HTTPCLIENT-885) URLEncodedUtils fails to parse form-url-encoded entities that specify a charset
Date Tue, 03 Nov 2009 22:22:43 GMT
URLEncodedUtils fails to parse form-url-encoded entities that specify a charset
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                 Key: HTTPCLIENT-885
                 URL: https://issues.apache.org/jira/browse/HTTPCLIENT-885
             Project: HttpComponents HttpClient
          Issue Type: Bug
          Components: HttpClient
    Affects Versions: 4.0 Final
         Environment: all
            Reporter: Jared Jacobs
            Priority: Minor


If a form-url-encoded HTTP entity specifies a charset in its Content-Type header, then URLEncodedUtils.parse(HttpEntity)
fails to parse it.

An entity with content type "application/x-www-form-urlencoded; charset=UTF-8" should be detected
as form-url-encoded and parsed as such, honoring the specified character set. Currently the
code requires an exact, case-insensitive match with "application/x-www-form-urlencoded" for
an entity to be detected as form-url-encoded.

It appears that the author of URLEncodedUtils.parse(HttpEntity) tried to take character sets
into account, but expected to find them in the Content-Encoding header instead of as a parameter
in the Content-Length header. The HTTP 1.1 spec makes it clear that the Content-Encoding header
is for specifying transformations like gzip compression or the identity transformation --
not for specifying the entity's character set.

Here are some helpful links.
http://www.w3.org/Protocols/rfc2616/rfc2616-sec3.html#sec3.4
http://www.w3.org/Protocols/rfc2616/rfc2616-sec3.html#sec3.5
http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.11

This is related to: https://issues.apache.org/jira/browse/HTTPCLIENT-884

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