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Startup code [message #26554]

Mon, 21 May 2007 17:17

Eclipse User

Originally posted by: kendotlarson.mindspring.com

I'm looking to run some code right away when my RAP application is
loaded, before the IEntryPoint even gets called. Any pointers on how to
do this?

Thanks,

Ken Larson

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Re: Startup code [message #26613 is a reply to message #26554]

Mon, 21 May 2007 18:52

Roberto Sanchez

Messages: 82
Registered: July 2009

Member

Hi Ken, I'm not an expert in Life-cycle of RAP applications, and It's
possible that this idea was a madness for RAP based apps ;-) but, in any
case: A static section in your Entrypoint class will be executed before
IEntryPoint.createUI() method:

public class EntryPoint implements IEntryPoint {

static {
System.out.println("Helooooo !!");
/*
... YOUR CODE ...
*/
}

public Display createUI() {
final Display display = PlatformUI.createDisplay();
PlatformUI.createAndRunWorkbench(display, new MyAppAdvisor());
return display;
}

}

Regards.
Roberto.

Ken Larson escribió:
> I'm looking to run some code right away when my RAP application is
> loaded, before the IEntryPoint even gets called. Any pointers on how to
> do this?
>
> Thanks,
>
> Ken Larson

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Re: Startup code [message #26646 is a reply to message #26613]

Tue, 22 May 2007 06:37

Eclipse User

Originally posted by: fappel.innoopract.com

Hi,

the static initializer code of Roberto will work if you need an let me call
it 'application scope one time setup mechanism'. Nevertheless I think that
static initializers are a little bit unpractically and inflexible in case
that larger initialization steps are needed. But that may only be a question
of taste.

The standard java web-app approach would be to use an ServletContextListener
implementation that will be executed at application startup. Unfortunately
and as far as I know there is no such mechanism provided by the
OSGi-http-service yet. It should not be that difficult to map the context
listener calls into the OSGi instance, but that's something you'd better ask
the equinox-folks.

Ciao
Frank

"Roberto S

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