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Is it possible to download a Java app (applet etc?) and run it inside a
desktop Java app?

--
Dirk

http://www.transcendence.me.uk/ - Transcendence UK
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Dirk Bruere at NeoPax wrote:
> Is it possible to download a Java app (applet etc?) and run it inside a
> desktop Java app?
>
Quite likely, but you won't necessarily get the same security model,
unless you were careful about it.

--
Daniel Pitts' Tech Blog: <http://virtualinfinity.net/wordpress/>

Dirk Bruere at NeoPax wrote:
> Is it possible to download a Java app (applet etc?) and run it inside a
> desktop Java app?
>


Yes, you can just download the code and run it. There are Jar classes
for manipulating this.

<http://java.sun.com/javase/6/docs/api/java/util/jar/JarFile.html>

You may need to use a Classloader as well, I haven't actually tried this.

Mark Space wrote:
> Dirk Bruere at NeoPax wrote:
>> Is it possible to download a Java app (applet etc?) and run it inside
>> a desktop Java app?
>>
>
>
> Yes, you can just download the code and run it. There are Jar classes
> for manipulating this.
>
> <http://java.sun.com/javase/6/docs/api/java/util/jar/JarFile.html>
>
> You may need to use a Classloader as well, I haven't actually tried this.
>
>

Take a look here and the next page in this series. It might help:

<http://java.sun.com/docs/books/tutorial/deployment/jar/jarclassloader.html>

On Fri, 08 May 2009 14:03:53 +0100, Dirk Bruere at NeoPax
<> wrote, quoted or indirectly quoted someone who
said :

>Is it possible to download a Java app (applet etc?) and run it inside a
>desktop Java app?

Very easy. All you need is Class.forName

See http://mindprod.com/jgloss/classforname.html
--
Roedy Green Canadian Mind Products
http://mindprod.com

"Species evolve exactly as if they were adapting as best they could to a changing world, and not at all as if they were moving toward a set goal."
~ George Gaylord Simpson

On Fri, 08 May 2009 14:03:53 +0100, Dirk Bruere at NeoPax
<> wrote, quoted or indirectly quoted someone who
said :

>Is it possible to download a Java app (applet etc?) and run it inside a
>desktop Java app?

It is easy if there is some cooperation, the add on implements an
interface. Harder if not. Then you need reflection.

See http://mindprod.com/jgloss/reflection.html
--
Roedy Green Canadian Mind Products
http://mindprod.com

"Species evolve exactly as if they were adapting as best they could to a changing world, and not at all as if they were moving toward a set goal."
~ George Gaylord Simpson

Dirk Bruere at NeoPax wrote:
> Is it possible to download a Java app (applet etc?) and run it inside a
> desktop Java app?

Sure.

That is what Andrew does in http://pscode.org/appleteer/ !

Arne

Roedy Green wrote:
> On Fri, 08 May 2009 14:03:53 +0100, Dirk Bruere at NeoPax
> <> wrote, quoted or indirectly quoted someone who
> said :
>> Is it possible to download a Java app (applet etc?) and run it inside a
>> desktop Java app?
>
> It is easy if there is some cooperation, the add on implements an
> interface. Harder if not.

Given that apps has a static main method and applets extend either
Applet or JApplet, then an interface should not be needed.

Arne

On May 9, 8:28*am, Arne Vajhøj <a...@vajhoej.dk> wrote:
> Dirk Bruere at NeoPax wrote:
>
> > Is it possible to download a Java app (applet etc?) and run it inside a
> > desktop Java app?
>
> Sure.
>
> That is what Andrew does in http://pscode.org/appleteer/ !

Yep.

To the OP: Note that AppletViewer is also a 'Java desktop
app.', and is what Sun uses to launch webstart based applets,
and the new 'draggable applets' if they are dragged off the
web page.

(whispers) Appleteer is better, though.

--
Andrew T.
pscode.org

On May 8, 11:03*pm, Dirk Bruere at NeoPax <dirk.bru...@gmail.com>
wrote:
> Is it possible to download a Java app (applet etc?) and run it inside a
> desktop Java app?

For the first part, get an URLClassLoader that
points to the applet.

Here is a simplistic* SSCCE that does the second part.
<http://forums.sun.com/thread.jspa?messageID=10259860#10259860>

* Trouble starts if the applet uses parameters,
does not have a preferred size, uses any of the
applet context methods..

I am a bit confused by your use of 'Java app (applet
etc?)' what else besides an applet are you looking to
run?

--
Andrew T.
pscode.org