Re: Basic Question
Re: Basic Question
- Subject: Re: Basic Question
- From: Andrew Satori <email@hidden>
- Date: Wed, 22 Mar 2006 17:14:07 -0500
Maybe I can help.
WebObjects isn't really efficient at serving static content, so it's
more efficient to host the static content, like images, outside the
deployment war of our WebApp, thus you WO application might live in
cgi-bin/WebObjects/WOApplciation.woa your static content lives in /
Library/WebServer/Documents/images/ and is referenced from within
your WOApp as /images/imagename.jpg. This let's Apache do what it
does best and WO do what it does best, but presents the same.
In my case, and from what I can tell of most WO Apps, the entry point
to the app is an html redirector that loads the WOApp
For example, I have on the webserver in /Library/WebServer/Documents/
an index.html as well as a css folder for the css files, and an
images directory for images and a scripts directory for the common
included .js files (for client side DHTML behaviors). Index.html is
nothing more than short page that contains a little descriptive text
and a manual redirector for that 1% of user for whom the META
redirect fails for. Then, within the WOApp, all references to the
static content on the site are given absolute paths without the host
(css file is ="/css/default.css"). What this means is that the JSP
'all in a WAR' deployment doesn't work, but it also means that the
static content isn't running through the adapter jacking up the load
on the less efficient Jasper or WO adapters.
I hope this helps clear things up. I'm fairly new to WO myself, so I
might have this a little inaccurate, but I think I'm on sound ground
here based upon exploration of prominent WO based sites (.mac and
store.apple)
Andy
On Mar 22, 2006, at 4:42 PM, Jeffrey Pearson wrote:
So am I also understanding correctly that if you are 'adding an
existing' asset, it doesnt actually copy the file to the target but
expects it to already exist there?
On Mar 22, 2006, at 4:45 AM, Jean Pierre Malrieu wrote:
OK. I SO didn't even understand ANY of that. Can you translate to a
lower beginner level? I am coming from using IntelliJ and the JSP/
Servlet world. I simply dropped the folder of images into my
resources folder which contained all of my jsp files and it was
deployed with the rest of the jsp files.
Trying to duplicate this, I first copied my images folder into the
project root folder in the finder.
In XCode, in the Groups and Files pane, I right click on the 'Web
Components' folder and selected 'Add Existing Files', and selected
the folder that I just copied over. I now see my images folder and I
can drill down and see my individual images in the folder under the
Web Components folder in the Groups and Files pane.
I'm not understanding.......
Images ought to go to the "Web Server Ressources" group, not the
"ressources" group.
More importantly, they need to be added to the WebServer target
(not the Application Server target). When you add a file to a
project, you can choose wich target it will belong to. Afterward,
you can inspect and change a file's target by getting info for it
(select it and click info in the tool bar).
Images will then be served by the web server instead of the
application server (no matter if they are static or not).
For this to work in deployment, your images must be copied to: /
Library/WebServer/WebObjects/YourAppName.woa/Contents/
WebServerRessources/
They must be readable by www too.
If you have path problems, just look at the html produced for your
page. Inspect the path generated by WebObjects for your images and
you will know where your problem comes from.
Chuck (guru number one on this list) would probably advise you to
build and run your projects without "direct connect" enabled (set
the corresponding launch argument in your properties file). That
way, even in development, you are going through the webserver for
webserver ressources. This will ensure that your app behaves the
same in deployment and development, at least as far as ressources
are concerned).
I hope these instructions are easy enough.
All this is pretty well covered in Apple documentation. But there
is now a lot of documentation... Maybe too much for a beginner?
JPM.
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