Re: Java Applet Staying Alive From Multiple Web Pages

Thanks Dan,

I'll give the IFRAME idea such thought, that might work the cleanest.

> You'd rather use an applet instead of XMLHttpRequest objects?>

We're using applets because we need some fairly heavy duty data access performed by the applet inside a firewall and then sent back to the server which is outside the firewall. It's a CLOUD solution with an optional ability to get local data if needed.

Thanks, Paul



On 7/8/2011 12:31 PM, Dan Kimmel wrote:

You'd rather use an applet instead of XMLHttpRequest objects?

How about a frame? Open the applet in a (hidden if there's no user interface) frame and your base page in another frame within the same frameset.

I still wouldn't do it. I'd store whatever info I needed to keep in a cookie that expires yesterday and let the applet reload whenever it needs to. The applet class file stays in the browser cache, so it won't have to be downloaded every time. The cookie disappears when the browser session ends.

-----Original Message-----
From: java400-l-bounces@xxxxxxxxxxxx [mailto:java400-l-bounces@xxxxxxxxxxxx] On Behalf Of Paul Holm
Sent: Friday, July 08, 2011 1:22 PM
To: java400-l@xxxxxxxxxxxx
Subject: Java Applet Staying Alive From Multiple Web Pages

Hi All,

I got a web application that allows user to execute many menu items which generate HTML pages back to the screen. Each interaction is a full request/response cycle to a backend Java tomcat server.

Challenge:

We understand the security requirements of applets. We have a servlet that is able to interact with the applet passing HTTP serialized objects back and forth. All that works fine until the page is refreshed and the applet is destroyed.

Does anyone have experience/best practices of what works best to keep a single applet alive for the duration of a web user session? I'm thinking we could do a popup window where the applet lives to keep it alive. Any other advice or experience?

Thanks, Paul Holm

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