Frank Zammetti wrote:
I'm doing this as well, and three things come to mind...
(1) For IE, you must set the response size or it'll choke. Looks like your doing that already.
(2) Try adding response.setContentType("application/pdf"); to your code. That's the only extra thing I'm doing in my code.
I am setting the content type as stated above. The best way to see that is to check my header that I included
in the email message. As a side note, I am not setting the charset, it seems that gets set automagically when I
call response.setContentType("application/pdf");
(3) Acrobat integration with IE is known to be buggy, and that's being polite! In Acrobat itself, there is an option to specify whether the PDF is opened integrated in the browser or in a separate window. The former is many times problematic. Try changing that option and see if your problem goes away. In Acorbat 6.0, it's under the Edit menu, Preferences, the Internet "tab", and it's the Display PDF In Browser option. Uncheck it, close Acrobat (make sure it's really closed, I find the Acrobat process keeps running most of the time, very annoying) and give it a try.
Since I am creating a public website, I really don't want to force the user to reconfigure their machine. As I stated in my original
message, Yahoo mail seems to handle this OK. They are doing some bizarre things though. Most interesting is adding filename="foo.bar"
to the content type. I tried playing with that stuff, but as I noted earlier, I am missing something.
Hope that helps!
Frank
From: "Dean A. Hoover" <[EMAIL PROTECTED]> Reply-To: "Struts Users Mailing List" <[EMAIL PROTECTED]> To: [EMAIL PROTECTED] Subject: HTTP header for dynamic pdf and IE6 Date: Fri, 04 Jun 2004 08:37:45 -0400
Sorry if this is inappropriate for this list, but I really don't know where else to turn. I figured someone on this list may have solved it.
I have a java web application that allows an end-user in their browser to download a "file", which happens to be bytes stored in a database.
In experimenting with how to do this, I have this snippet of code in my Action:
AttachmentListItem attachment =
EmailSQL.getAttachmentListItem(connection, 3, 1);
response.setContentType(attachment.getContentType());
byte[] data =
EmailSQL.getAttachmentBytes(connection, 3, 1);
response.setContentLength(data.length);
response.setHeader("Content-Disposition",
"attachment; filename=\"" + attachment.getFileName() + "\"");
ServletOutputStream out = response.getOutputStream();
out.write(data);
out.flush();
out.close();
To test this out, I hit the link in my IE browser which brings up a dialog box allowing me to "Open" or "Save" the file. If I save the file, it does the right thing. If I press the open button, Acrobat Reader opens up and then errors out with an alert box: "There was an error opening the document. The file does not exist."
I have a yahoo email account that I tried a test on. I sent an email message with the same pdf file attached to that account. I wanted to see if yahoo figured out how to make this work. They did! (but I can't figure out how to replicate)
Their header looks like this: Date: Thu, 03 Jun 2004 15:37:58 GMT P3P: policyref="http://p3p.yahoo.com/w3c/p3p.xml";, CP="CAO DSP COR CUR ADM DEV TAI PSA PSD IVAi IVDi CONi TELo OTPi OUR DELi SAMi OTRi UNRi PUBi IND PHY ONL UNI PUR FIN COM NAV INT DEM CNT STA POL HEA PRE GOV" Content-Disposition: attachment; filename=reference.pdf Connection: close Transfer-Encoding: chunked Content-Type: application/pdf; filename="foo.bar"
.s4g--&v=1
There is also some other stuff I am seeing just after the header: .s4g-&v=1
which looks something like a query string, but I'm not sure.
My header looks like this: HTTP/1.1 200 OK Date: Thu, 03 Jun 2004 15:35:15 GMT Server: Apache/2.0.40 (Red Hat Linux) mod_perl/1.99_07-dev Perl/v5.8.0 mod_jk/1.2.5 PHP/4.2.2 mod_python/3.0.1 Python/2.2.2 mod_ssl/2.0.40 OpenSSL/0.9.7a Set-Cookie: JSESSIONID=DD3D0938B780EEBEBDC1B558CCBAD095; Path=/ Pragma: No-cache Cache-Control: no-cache Expires: Thu, 01 Jan 1970 00:00:00 GMT Content-Disposition: attachment; filename="reference.pdf" Content-Length: 214982 Keep-Alive: timeout=15, max=100 Connection: Keep-Alive Content-Type: application/pdf;charset=UTF-8
Does anyone know how to work around this problem? I suppose there are actually 2 parts to this: 1) What is the magic in the HTTP header that allows this to work? 2) How can one create such a header in java?
Thanks. Dean Hoover
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