Forcing SaveAs using the HTTP header
In order to force the browser to show SaveAs dialog when clicking a hyperlink you have to include the following header in HTTP response of the file to be downloaded:
Content-Disposition: attachment; filename=<file name.ext>
Where <file name.ext> is the filename you want to appear in SaveAs dialog (like finances.xls or mortgage.pdf) - without < and > symbols.
You have to keep the following in mind:
- The filename should be in US-ASCII charset.
- The filename should not have any directory path information specified.
- The filename should not be enclosed in double quotes even though most browsers will support it.
- Content-Type header should be before Content-Disposition.
- Content-Type header should refer to an unknown MIME type (at least until the older browsers go away).
If you do not want the open/save dialog box to appear,
ReplyDeletedo not give attachment; in the value of Content-Disposition. Only give the filename.
And you might need to do some setting in your browser as given on the following URL.
http://www.shaunakelly.com/word/sharing/opendocinie.html
Please note that this code will not give work properly on google chrome, though it works fine on IE.
ReplyDeleteThe problem on google Chrome is that the file name does not appears.
I used
response.setHeader("Content-Disposition: ", "attachment; filename=" + targetFile.getName());
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