Hello Elvy,
I once created an application like this and it was a lot of fun...
>Now, I would like to seek for plugins (inside a folder, from a conf file,
...) and install and start them.
You may want to consider a dynamic approach to this. Instead of installing
plugins once after GUI initialization, maybe alow for plugins to be
continually installed...
To acheive this, I used a mechanism similar to the following:
// in GUI Activator
start(){
// invokeLater() or invokeAndWait() initialization of GUI with some
default plugins
...
// create ServiceListeners that will listen for new plugins and inject
them into your GUI
...
// maybe kick off some process that will find, install and start
plugins
...
}
Presumeably your GUI will be able to handle plugins that implements some set
of Services... so the key is to just listen for that enumeration of
Services and handle them appropriately. In my app the services resided on
various servers but my app knew only about a descriptor file on a particular
server (for this i created Remote Bundle
Installer<http://oscar-osgi.sourceforge.net/>
).
Consider using *listeners and events* for updating the GUI. Consider doing
this in an *asynchronous *manner.
Kind regards,
-Barron
On Dec 11, 2007 6:54 AM, Elvy <[EMAIL PROTECTED]> wrote:
>
> Hi,
>
> I am developing a GUI application as a bundle. This GUI is somehow like
> eclipse, it is a place where plugins can register to. Because it is Swing
> based, I have to do all the GUI initialization from the EDT. I thus call
> an
> InvokeAndWait() from my BundleActivator and do it all here (the
> BundleActivator itself is the Runnable).
>
> Logically, the start method will be blocked until init is finished... I
> know
> it blocks the OSGi framework for quite a while, but what else can I do?
>
> Now, I would like to seek for plugins (inside a folder, from a conf file,
> ...) and install and start them. Where should I do it? Inside the
> Activator,
> after the InvokeAndWait? Inside the InvokeAndWait after GUI init? Inside
> an
> InvokeLater?
>
> How would you guys recommend discovering and starting bundles at runtime,
> from another Bundle, right after it is completely up and running?
>
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