Re: HTTP 304

2006-09-26 Thread Mark Thomas
Paul Wallace wrote: > If however the client and server have no knowledge of these assets, > would it not request a fresh copy from the server and return HTTP 200 > for example? 1. Check to see if the file is in your client's cache. 2. Tomcat does nothing with these tags. Your client may ignore the

Re: HTTP 304 - IF_MODIFIED_SINCE

2006-09-12 Thread get_sathiya
gt; message without making a copy. Thank you. > > > > - Original Message - > From: "Luke McLean" <[EMAIL PROTECTED]> > To: > Sent: Friday, September 08, 2006 9:02 PM > Subject: Re: HTTP 304 - IF_MODIFIED_SINCE > > >> >> Oops, sorry everyo

Re: HTTP 304 - IF_MODIFIED_SINCE

2006-09-10 Thread Martin Gainty
- From: "Luke McLean" <[EMAIL PROTECTED]> To: Sent: Friday, September 08, 2006 9:02 PM Subject: Re: HTTP 304 - IF_MODIFIED_SINCE > > Oops, sorry everyone. I didn't realise that this was going out to the whole > list! > > I'f you could contact me di

Re: HTTP 304 - IF_MODIFIED_SINCE

2006-09-08 Thread Luke McLean
Oops, sorry everyone. I didn't realise that this was going out to the whole list! I'f you could contact me directly please Ben then I can avoid boring everyone with this topic. luke dot mclean at boundless dot co dot nz Thanks comma Not Luke (because he is embarrassed so an elf mysteriously w

Re: HTTP 304 - IF_MODIFIED_SINCE

2006-09-08 Thread Luke McLean
Thanks Ben, I can follow that logic. I have also found the imageDB sample app in the Spring distro. I am allowing people to upload an image then resizing it into a Small, Medium and Large version (I figure it is better to resize and store rather than resize on every use) however I have saved m

Re: HTTP 304 - IF_MODIFIED_SINCE

2006-09-08 Thread ben short
Hi Luke, This is a litte off topic for the Tomcat usergroup but here you go. I have added the following to my web.xml img org.springframework.web.servlet.DispatcherServlet 1 img /img/* My img-servlet.xml imageController

Re: HTTP 304 - IF_MODIFIED_SINCE

2006-09-07 Thread Luke McLean
Hi Ben, I'm starting out to do exactly the same thing and the web is quite sketchy on how to do it with Spring. Would you mind posting or sending the controller code that you use to return the image please. I would be very greatful. Thanks, Luke. benshort wrote: > > What I am doing is servi

Re: HTTP 304 - IF_MODIFIED_SINCE

2006-09-06 Thread Markus Schönhaber
ben short wrote: > Yes you are right, I am trying not to serve resources again if they > havent changed. From what I have read I need to set the Last-Modified > header on the HttpServletResponse. The client will then send a > If-Modified-Since request header the next time it needs that resource. >

Re: HTTP 304 - IF_MODIFIED_SINCE

2006-09-05 Thread ben short
Ok, I admit I was a bit fast going to the mailing list and I should of done more research. Yes you are right, I am trying not to serve resources again if they havent changed. From what I have read I need to set the Last-Modified header on the HttpServletResponse. The client will then send a If-M

Re: HTTP 304 - IF_MODIFIED_SINCE

2006-09-05 Thread Markus Schönhaber
ben short wrote: > Im using Tomcat 5.5.17. I assumed that my browser would send the > If-Modified-Since Request-Header and have tried your jsp page and it > does. OK, this shows three things: 1. It's much less helpful to assume things than to find out for sure. If you're interested in the exact r

Re: HTTP 304 - IF_MODIFIED_SINCE

2006-09-05 Thread ben short
Markus, I have fixed the problem. I needed to set the contenttype and the contentlength on the HttpServletResponse. Now i see the if-modified-sice header on the second request. Thanks for your input. Regards Ben On 9/5/06, ben short <[EMAIL PROTECTED]> wrote: Markus, Im using Tomcat 5.5.17.

Re: HTTP 304 - IF_MODIFIED_SINCE

2006-09-05 Thread ben short
Markus, Im using Tomcat 5.5.17. I assumed that my browser would send the If-Modified-Since Request-Header and have tried your jsp page and it does. What I am doing is serving images from a database. Here is what I am doing in my spring controller... protected ModelAndView handleRequestInternal

Re: HTTP 304 - IF_MODIFIED_SINCE

2006-09-05 Thread Markus Schönhaber
ben short wrote: > I have tried with firefox and ie6. May i ask what you are using? Firefox. May I ask what you are using (i. e. Tomcat version)? You didn't answer my question: Does your browser send an If-Modified-Since Request-Header? On Tomcat 5.5.17 calling this JSP *twice* will cause IE 6

Re: HTTP 304 - IF_MODIFIED_SINCE

2006-09-05 Thread ben short
I have tried with firefox and ie6. May i ask what you are using? Ben On 9/5/06, Markus Schönhaber <[EMAIL PROTECTED]> wrote: benshort wrote: > How do I get the IF_MODIFIED_SINCE header from the HttpServletRequest > object? > > When I use the HttpServletRequest.getHeaderNames() method and iterat

Re: HTTP 304 - IF_MODIFIED_SINCE

2006-09-05 Thread Markus Schönhaber
benshort wrote: > How do I get the IF_MODIFIED_SINCE header from the HttpServletRequest > object? > > When I use the HttpServletRequest.getHeaderNames() method and iterate > through the enumeration I get the following headers only. > > accept > referer > accept-language > accept-encoding > user-age