Problem with Struts FormFile object. 2006-04-28 - By Abhijeet Kahale
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Hi,
Thanks for the reply.
But I have a doubt, what if user manually changes extension of some other
file type (e.g. .bmp file) to .tdt/.txt type
and uploads that file? In that case though the extension is correct,
contents of the file are not?
Thanks and Regards,
Abhijeet.
On 4/28/06, Paul Copeland <tech@(protected)> wrote:
>
> Create a javax.activation.MimetypesFileTypeMap object and add your types
> to that object. Then call
> javax.activation.MimetypesFileTypeMap.getContentType(yourFileName) to
> get the contentType for the file on the server without relying on the
> browser content type setting. MimetypesFileTypeMap will return
> application/octet-stream as the default if it does not know the content
> type. You have to include the J2EE activation.jar in your classpath for
> this to work. Here is the API doc -
>
>
> http://java.sun.com/javaee/5/docs/api/javax/activation/MimetypesFileTypeMap
.html
>
> Paul Copeland
> http://www.jotobjects.com
> JOT Servlets dynamic web component framework
>
>
> >Date: Fri, 28 Apr 2006 10:09:54 +0530
> >From: Abhijeet Kahale <abhijeet4u@(protected)>
> >Subject: Problem with Struts FormFile object.
> >
> >Hi,
> >
> >I am facing some problems while uploading a file using Struts' FormFile
> >object.
> >I want to allow user to upload only .xls/.tdt/.txt files. For that I am
> >comparing the ContentType of the file being uploaded using FormFile's
> >getContentType() method.
> >The problem is, when I upload .xls files, it properly returns a string as
> >'application/vnd.ms-excel' so that i can compare it with constant and
> >proceed further.
> >But when I upload .tdt or .txt files, it returns a string
> >'application/octet-stream' instead of 'text/plain', So when i compare it
> >with the constant(which is set to "text/plain"), test fails even if user
> ha> >s
> >uploaded proper file with proper contents.
> >Moreover, this only happens on my machine, If I test it on some-one else'
> >machine(one of my colleague), it works fine.
> >So, my question is, is there some setting in my browser that is making
> the
> >formfile object to send wrong mime type or this is really a problem? And
> if
> >it is related to browser setting, what setting should I change? also, if
> >user also has that setting in his browser, how should I handle it?
> >
> >please reply ASAP...
> >
> >thanks in advance,
> >Abhijeet.
> >
> >
>
>
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