Bug 117015 [refactoring] Rename type should not rely on ".java"
org.eclipse.jdt.ui/ui/org/eclipse/jdt/ui/wizards/NewTypeWizardPage.java
}
	/**
	 * Hook method that gets called when the list of super interface has changed. The method 
	 * validates the super interfaces and returns the status of the validation.
	 * <p>
	 * Subclasses may extend this method to perform their own validation.
	 * </p>
	 * 
	 * @return the status of the validation
	 */
	protected IStatus superInterfacesChanged() {
		StatusInfo status= new StatusInfo();
		
		IPackageFragmentRoot root= getPackageFragmentRoot();
		fSuperInterfacesDialogField.enableButton(0, root != null);
						
		if (root != null) {
			List elements= fSuperInterfacesDialogField.getElements();
			int nElements= elements.size();
			for (int i= 0; i < nElements; i++) {
				String intfname= ((StringWrapper) elements.get(i)).getString();
				Type type= TypeContextChecker.parseSuperInterface(intfname);
				if (type == null) {
					status.setError(Messages.format(NewWizardMessages.NewTypeWizardPage_error_InvalidSuperInterfaceName, intfname)); 
					return status;
				}
				if (type instanceof ParameterizedType && ! JavaModelUtil.is50OrHigher(root.getJavaProject())) {
					status.setError(Messages.format(NewWizardMessages.NewTypeWizardPage_error_SuperInterfaceNotParameterized, intfname)); 
					return status;
				}