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I have seen info about an X windows server which is written completely in Java. You could probably use that in a web browser to connect to a UNIX (Linux) version of a Rev standalone somewhere (correction: the UNIX version of a Rev standalone would connect to the Java-based X server, so yes you would need to make some arrangements for tunneling through firewalls, etc; I don't know enough about that particular X server to know if that is supported internally or not).
Maybe you could rig something with that.
BTW, this is another reason to keep the UNIX engines around: the "network-transparent" X windows system...
You can do something similar with Squeak, I believe, but of course that won't really help you to run a Rev app ;-)
On Mar 24, 2005, at 10:33 AM, Gordon Tillman wrote:
Howdy Len,
This is a very interesting problem, one that I would like to be able to implement as well.
On Mar 24, 2005, at 08:40, Len Morgan wrote:
There was a thread about 3 years ago about having a RR that ran within the browser and I'm wondering if anything came of that? The reason I ask is I have a very good chance of getting a big programming contract but one of the customer's top requirements is that it be web based. He wants nothing to be installed on the workstations.
While I could send DHTML, I think we all agree that RR would give a much better experience to the end user and frankly, would be much easier on me. So, is there some way to launch a stand-alone from a web page? I know I can "start using" a stack from a URL so I'd only need a stand-alone to get the process going. I think his concerns are:
1) The "java version problem." A lot of his users have their own programs (by the way, we're talking about 500 connected users) that use one version of java or another and if they upgrade it to be able to use my code, it will break the applications they already have (by the way, I have no intention of doing this in java - I'd rather loose the contract).
2) If changes need to be made, he doesn't want to have to go to 500 machines and install something.
With my own stand-alone, I wouldn't have to worry about versioning problems since I would know when it changed. I could also check for a new version of the stand-alone every time I start it up and get the new version. Since my stand-alone would really do nothing more than download a stack (with the REAL program on it), I doubt that I would need to change it that often (the stacks on the other hand are a different matter but since I can refer to a URL, he'd be ok with that. It's just that I'm not sure how to get the stand-alone on the user machine without looking like I'm installing something.
Are your clients using Windows machines? The reason I ask is that there is no problem with having more than one version of Java installed on the machine, if you are concerned with breaking existing Java-based code. We do that all the time.
I wonder if it would be possible to create a small signed applet whose sole purpose in life would be to download and run your RR startup application. The startup application would then be able to manage the acquisition and updating of the other application stacks required to do what you need it to do.
I will experiment with this a bit and get back to you.
--gordy
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- ----------------------------------------------------------- Frank D. Engel, Jr. <[EMAIL PROTECTED]>
$ ln -s /usr/share/kjvbible /usr/manual
$ true | cat /usr/manual | grep "John 3:16"
John 3:16 For God so loved the world, that he gave his only begotten Son, that whosoever believeth in him should not perish, but have everlasting life.
$
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