protected Validator createValidator() throws javax.servlet.jsp.JspException
    {
        FacesContext facesContext = FacesContext.getCurrentInstance();
        ELContext elContext = facesContext.getELContext();
        if (null != _binding)
        {
            Object validator;
            try
            {
                validator = _binding.getValue(elContext);
            } catch (Exception e)
            {
                throw new JspException("Error while creating the Validator", e);
            }
            if (validator instanceof Validator)
            {
                return (Validator) validator;
            }
        }
        Application application = facesContext.getApplication();
        Validator validator = null;
        try
        {
            // first check if an ValidatorId was set by a method
            if (null != _validatorIdString)
            {
                validator = application.createValidator(_validatorIdString);
            } else if (null != _validatorId)
            {
                String validatorId = (String) _validatorId.getValue(elContext);
                validator = application.createValidator(validatorId);
            }
        } catch (Exception e)
        {
            throw new JspException("Error while creating the Validator", e);
        }

        if (null != validator)
        {
            if (null != _binding)
            {
                _binding.setValue(elContext, validator);
            }
            return validator;
        }
        throw new JspException("validatorId and/or binding must be specified");
    }

}

    public void addDescription(String value)
    {
        if(_description == null)
            _description = new ArrayList<String>();

        _description.add(value);
    }

    public Iterator<String> getDescriptions()
    {
        if(_description==null)
            return Collections.EMPTY_LIST.iterator();

        return _description.iterator();
    }

    public void addDisplayName(String value)
    {
        if(_displayName == null)
            _displayName = new ArrayList<String>();

        _displayName.add(value);
    }

    public Iterator<String> getDisplayNames()
    {
        if(_displayName==null)
            return Collections.EMPTY_LIST.iterator();

        return _displayName.iterator();
    }

    public void addIcon(String value)
    {
        if(_icon == null)
            _icon = new ArrayList<String>();

        _icon.add(value);
    }

    public Iterator<String> getIcons()
    {
        if(_icon==null)
            return Collections.EMPTY_LIST.iterator();

        return _icon.iterator();
    }

    public void setPropertyName(String propertyName)

    protected Converter createConverter()
            throws JspException
    {
        Converter converter = null;

        FacesContext facesContext = FacesContext.getCurrentInstance();
        ELContext elContext = facesContext.getELContext();

        // try to create the converter from the binding expression first, and then from
        // the converterId
        if (_binding != null)
        {
            try
            {
                converter = (Converter) _binding.getValue(elContext);

                if (converter != null)
                {
                    return converter;
                }
            }
            catch (Exception e)
            {
                throw new JspException("Exception creating converter using binding", e);
            }
        }

        if ((_converterId != null) || (_converterIdString != null))
        {
            try
            {
                if (null != _converterIdString)
                {
                    converter = facesContext.getApplication().createConverter(_converterIdString);
                } else 
                {
                    String converterId = (String) _converterId.getValue(elContext);
                    converter = facesContext.getApplication().createConverter(converterId);
                }

                // with binding no converter was created, set its value with the converter
                // created using the converterId
                if (converter != null && _binding != null)
                {
                    _binding.setValue(elContext, converter);
                }
            }
            catch (Exception e)
            {
                throw new JspException("Exception creating converter with converterId: " + _converterId, e);
            }
        }

        return converter;
    }

}

    public DelegateValueChangeListener(ValueExpression type, ValueExpression binding)
    {
        super();
        _type = type;
        _binding = binding;
    }

    public boolean isTransient()
    {
        return false;
    }

    public void restoreState(FacesContext facesContext, Object state)
    {
        Object[] values = (Object[]) state;
        _type = (ValueExpression) values[0];
        _binding = (ValueExpression) values[1];
    }

    public Object saveState(FacesContext facesContext)
    {
        Object[] values = new Object[2];
        values[0] = _type;
        values[1] = _binding;
        return values;
    }

    public void setTransient(boolean arg0)
    {
        // Do nothing        
    }

    private ValueChangeListener _getDelegate()

                throw new ConverterException("Exception creating converter using binding", e);
            }
        }

        if ((_converterId != null) || (_converterIdString != null))
        {
            try
            {
                if (null != _converterIdString)
                {
                    converter = facesContext.getApplication().createConverter(_converterIdString);
                } else 
                {
                    String converterId = (String) _converterId.getValue(elContext);
                    converter = facesContext.getApplication().createConverter(converterId);
                }

                // with binding no converter was created, set its value with the converter
                // created using the converterId
                if (converter != null && _binding != null)
                {
                    _binding.setValue(elContext, converter);
                }
            }
            catch (Exception e)
            {
                throw new ConverterException("Exception creating converter with converterId: " + _converterId, e);