public static void main(String arg[])
  {

    ResourceSet resourceSet = new ResourceSetImpl();

    resourceSet.getPackageRegistry().put(UMLPackage.eNS_URI, UMLPackage.eINSTANCE);

    resourceSet.getResourceFactoryRegistry().getExtensionToFactoryMap().put(UMLResource.FILE_EXTENSION, UMLResource.Factory.INSTANCE);
    Map uriMap = resourceSet.getURIConverter().getURIMap();
    URI uri = URI.createURI("jar:file:/C:/org.eclipse.uml2.uml.resources_2.2.0.v200805131030.jar!/");
    uriMap.put(URI.createURI(UMLResource.LIBRARIES_PATHMAP), uri.appendSegment("libraries").appendSegment(""));
    uriMap.put(URI.createURI(UMLResource.METAMODELS_PATHMAP), uri.appendSegment("metamodels").appendSegment(""));
    uriMap.put(URI.createURI(UMLResource.PROFILES_PATHMAP), uri.appendSegment("profiles").appendSegment(""));

    
    

    System.out.println("[readMM] : try to access to " + UMLResource.UML_METAMODEL_URI);
    Resource res = resourceSet.getResource(URI.createURI(UMLResource.UML_METAMODEL_URI), true);
    EcoreUtil.resolveAll(res);
    System.out.println(">" + res.toString());
    TreeIterator<EObject> it = res.getAllContents();

    while (it.hasNext())
      {
        EObject eobj = (EObject)it.next();

        System.out.println(">>" + eobj.getClass().getName() + " " + eobj.hashCode());

        if (eobj.eIsProxy())
        {
          System.out.println("proxy PROBLEM");
          System.out.println(eobj.eClass().getName());

          EObject eobjResolved = EcoreUtil.resolve(eobj, resourceSet);
          if (eobjResolved.equals(eobj))
          {
            System.err.println("Proxy not solved");
          }
          else
          {
            System.out.println("Proxy solved : " + eobjResolved.hashCode());
            eobj = eobjResolved;
          }
        }

        EList<EStructuralFeature> listee = eobj.eClass().getEAllStructuralFeatures();
        ListIterator<EStructuralFeature> li = listee.listIterator();
        while (li.hasNext())
        {
          EStructuralFeature esf = li.next();
          try
          {
            System.out.println("\t" + esf.getName() + " : " + eobj.eClass().eGet(esf));
          }
          catch (Exception e)
          {//e.printStackTrace();

          }
        }

        if (eobj.eClass() instanceof EClass)
        {// if
          if (eobj.eContainer() == null)
          {
            System.out.println("this element has a null container : is it the root element? ");
          }
        }

        //it.prune();
      
     
    }

  }