public static ClassLoader getMostDerivedLoader(Class c1,
    Class c2) 
{
        ClassLoader l1 = (ClassLoader) AccessController.doPrivileged(
            J2DoPrivHelper.getClassLoaderAction(c1));
        ClassLoader l2 = (ClassLoader) AccessController.doPrivileged(
            J2DoPrivHelper.getClassLoaderAction(c2));
        if (l1 == l2)
            return l1;
        if (l1 == null)
            return l2;
        if (l2 == null)
            return l1;
        if(canLoad(l1, c2)) {
            return l1;
        }
        return l2;
}

Return the more derived loader of the class laoders for the given classes.

 public static Class loadBCClass(BCClass bc,
    ClassLoader loader) 
{
        BCClassLoader bcloader = (BCClassLoader) AccessController
                .doPrivileged(J2DoPrivHelper.newBCClassLoaderAction(bc
                        .getProject(), loader));
        try {
            Class c = Class.forName(bc.getName(), true, bcloader);
            bc.getProject().clear();
            return c;
        } catch (Throwable t) {
            throw new GeneralException(bc.getName()).setCause(t);
        }
}

Load the class represented by the given bytecode.