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From "Brian Ferris (JIRA)" <>
Subject [jira] Created: (WW-3128) struts2-rest-plugin incorrectly handles multipart/form-data content-type data
Date Fri, 15 May 2009 15:07:42 GMT
struts2-rest-plugin incorrectly handles multipart/form-data content-type data

                 Key: WW-3128
             Project: Struts 2
          Issue Type: Bug
          Components: Plugin - REST
    Affects Versions: 2.1.6
            Reporter: Brian Ferris

When a POST request is made with "multipart/form-data" encoding, such as to upload a file,
the "DefaultContentTypeHandlerManager" has no custom input handler registered to handle "multipart/form-data"
data.  The plugin assumes a default input handler based on the request extension.  In case
of "xml" (which is also the default handler failing all else), the handler attempts to parse
the payload as xml, which results in an exception being thrown.

The solution is to write a custom content-type handler similar to the "FormUrlEncodedHandler"
that ignores the form payload.  In addition, the "DefaultContentTypeHandlerManager" needs
to be modified, since the content-type of the form data is not actually "multipart/form-data",
but rather ""multipart/form-data; boundary=abcdefg".  Simple parsing is done to remove the
additional parameters of the content-type so that the proper handler can be correctly resolved.

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