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Re: using NSURLConnection to get only the HTTP header
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Re: using NSURLConnection to get only the HTTP header


  • Subject: Re: using NSURLConnection to get only the HTTP header
  • From: John Mikros <email@hidden>
  • Date: Tue, 27 Jun 2006 19:54:53 -0700

Well, my test case is 12K, and I was getting the whole file.

Really, anything more than just the header is too much data. The goal is to minimize the hit on our web server.

thanks,
-john

On Jun 27, 2006, at 7:50 PM, Chris Suter wrote:


On 28/06/2006, at 12:04 PM, John Mikros wrote:

Hello all,

I'm using NSURLConnection to download a file from a web server.

However, now I need to be able to check the last modified date in the HTTP header for the file without actually downloading the file.

Is this possible to do with NSURLConnection? I was hoping that I could look at the header in
- (void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response


and then cancel the download, but using tcpdump, I see that I'm downloading the whole file anyway.


Anyone have any ideas how to do what I want?

thanks
-john

Are you sure the cancel isn't working? Is it a small page you're downloading? If so, the whole page might have been sent before you get the chance to cancel it.


- Chris




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References: 
 >using NSURLConnection to get only the HTTP header (From: John Mikros <email@hidden>)
 >Re: using NSURLConnection to get only the HTTP header (From: Chris Suter <email@hidden>)

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