Re: need help about code mobility

Mark Zaini wrote:
>     Class resolved=Class.forName(cls,true,classloader);

> -If I load the class A(which extends class B) with reflection Where
>  could I specify the URL of the remote class B ?
>
> -What classloader can I use to do this? a RMIClassLoader?

URLClassLoader ld = new URLClassLoader( new URL[] {
new URL("http://my.host.com/path/to/file.jar"),
new URL("http://my.host.com/path/to/dir/")
});

        // Make sure that this thread, in other class loading
        // needs has a reference to the "preferred" class loader
        // for loading remote classes.
        Thread.currentThread().setContextClassLoader( ld );

        // Load the class needed and all resolved classes will
        // have view of the 'ld' class loader to resolve any
        // classes not defined locally.
        Class resolved=Class.forName(cls,true,ld);

The use of PreferredClassLoader would be my suggested choice instead of
URLClassLoader so that you can arrange for your "non-platform" classes to always
be preferred so that you'll get the right version.

Gregg Wonderly

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