Re: [Junit-devel] Fwd: TestCaseClassLoader (HELP)

[Harring F. <har...@ya...>]

 I  found out the problem.

 Chuck McManis wrote this life-saver article explaining the reason. Indeed a
must read to any java programmer.
 THANKS CHUCK (if you happen to find this email :P) !!

Harring.

http://www.javaworld.com/javaworld/jw-10-1996/jw-10-indepth-p2.html


--- Harring Figueiredo <har...@ya...> wrote:

> 
>  Folks: I posted this on the developer's list and got no reply.
> 
>  Hope this is the right list. Thank you for any help.
> 
> 
>  
>   I am trying to use the TestCaseClassLoader to load some of my classes (For
> a
>  different project :P).
>  
>   I got it to work with a rather strange behavior. I am sure it is more of a 
>   'id 10 t' type of error :).
>  
>   Here is what I have:
>  
>    C implements CI   
>  
>  
>   I can load C correctly; however, it says that C is not an intance of CI.
>  
>   If I use the default class loader, it indeed says it is an 'instanceof' CI.
>  
>   Andy ideas ?  
>  
>   Thanks for any help in advance!
>  
>  (Here is the code.) 
>  
>   /**** C class  no package define -- I don't think it matters...*/  
>   import somepackage;
>   public class C implements CI{
>       public C() { System.out.println("Hello World"); }
>       public void sayHello(){ System.out.println("Say Hello");
>   }
>   
>   /** CI interface **/
>   package somepacckage;
>   public interface CI{
>      public void sayHello();
>   }
>  
>   class Test {
>   public static void main(String[] args)
>   {
>      try{
>        TestCaseClassLoader cl= new
>        TestCaseClassLoader(/* Classpath is defined !!! */);
>  
>        Class c = cl.loadClass("C", true);
>        //Class c = cl.getClass().forName("C"); <== THIS WORKS !!!
>        Object o = c.newInstance();
>        System.out.println(o.getClass().getName()); // Prints C
>         
>        System.out.println(" Object "+
>  o.getClass().getClassLoader().toString()); // Returns TestClassLoader
> 
>        if( o instanceof CI){ // goes here with default system classloader
>             System.out.println(" Instance "+ o.getClass().getName());
>              ci = (CI)o;
>        }
>        else{   // GOES here with the TestClassLoader
>                 System.out.println("NOT Instance "+
>                 o.getClass().getName());
>        }
>  }
>    
>  
>  
>  		
> 
> 
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