static  void callValidators(FacesContext context,
    UIInput input,
    Object convertedValue) 
{
        Validator[] validators = input.getValidators();
        for (int i = 0; i <  validators.length; i++)
        {
            Validator validator = validators[i];
            try
            {
                validator.validate(context, input, convertedValue);
            }
            catch (ValidatorException e)
            {
                input.setValid(false);
                FacesMessage facesMessage = e.getFacesMessage();
                if (facesMessage != null)
                {
                    facesMessage.setSeverity(FacesMessage.SEVERITY_ERROR);
                    context.addMessage(input.getClientId(context), facesMessage);
                }
            }
        }
        MethodBinding validatorBinding = input.getValidator();
        if (validatorBinding != null)
        {
            try
            {
                validatorBinding.invoke(context,
                                        new Object[] {context, input, convertedValue});
            }
            catch (EvaluationException e)
            {
                input.setValid(false);
                Throwable cause = e.getCause();
                if (cause instanceof ValidatorException)
                {
                    FacesMessage facesMessage = ((ValidatorException)cause).getFacesMessage();
                    if (facesMessage != null)
                    {
                        facesMessage.setSeverity(FacesMessage.SEVERITY_ERROR);
                        context.addMessage(input.getClientId(context), facesMessage);
                    }
                }
                else
                {
                    throw e;
                }
            }
        }
}

 static UIComponent findComponent(UIComponent findBase,
    String id) 
{
        if (idsAreEqual(id,findBase))
        {
            return findBase;
        }
        for (Iterator it = findBase.getFacetsAndChildren(); it.hasNext(); )
        {
            UIComponent childOrFacet = (UIComponent)it.next();
            if (!(childOrFacet instanceof NamingContainer))
            {
                UIComponent find = findComponent(childOrFacet, id);
                if (find != null) return find;
            }
            else if (idsAreEqual(id,childOrFacet))
            {
                return childOrFacet;
            }
        }
        return null;
}

 static UIComponent findParentNamingContainer(UIComponent component,
    boolean returnRootIfNotFound) 
{
        UIComponent parent = component.getParent();
        if (returnRootIfNotFound && parent == null)
        {
            return component;
        }
        while (parent != null)
        {
            if (parent instanceof NamingContainer) return parent;
            if (returnRootIfNotFound)
            {
                UIComponent nextParent = parent.getParent();
                if (nextParent == null)
                {
                    return parent;  //Root
                }
                parent = nextParent;
            }
            else
            {
                parent = parent.getParent();
            }
        }
        return null;
}

 static UIComponent getRootComponent(UIComponent component) 
{
        UIComponent parent;
        for(;;)
        {
            parent = component.getParent();
            if (parent == null) return component;
            component = parent;
        }
}