//*** Remote class loader with stubs for security 
//*** As we're doing no security, I've stubbed the
//    checkSecurity method for now.
import java.net.URL;
import java.net.URLClassLoader;
public class RemoteClassLoader extends URLClassLoader {
    public RemoteClassLoader(URL[ ] urls) {
        super(urls);
    }
    // Override of URLClassLoader.loadClass(String name)
    public Class loadClass(String name) 
                               throws ClassNotFoundException {
        //*** checkSecurity(name);
        return super.loadClass(name);
    }
    // Overload, not override: define a class from a byte array
    public Class loadClass(String name, byte[ ] bytes) 
                               throws ClassNotFoundException {
        //*** checkSecurity(name);
        return defineClass(name, bytes, 0, bytes.length); 
    }
    protected void checkSecurity(String name) {
        //*** for now, a stub
    }
}