The standard converter id for this converter.

The message identifier of the javax.faces.application.FacesMessage to be created if the conversion to Double fails. The message format string for this message may optionally include the following placeholders:

• {0} replaced by the unconverted value.
• {1} replaced by an example value.
• {2} replaced by a String whose value is the label of the input component that produced this message.

The message identifier of the javax.faces.application.FacesMessage to be created if the conversion of the Double value to String fails. The message format string for this message may optionally include the following placeholders:

• {0} relaced by the unconverted value.
• {1} replaced by a String whose value is the label of the input component that produced this message.

 public Object getAsObject(FacesContext context,
    UIComponent component,
    String value) 
{
    // ------------------------------------------------------- Converter Methods
        if (context == null || component == null) {
            throw new NullPointerException();
        }
        // If the specified value is null or zero-length, return null
        if (value == null) {
            return (null);
        }
        value = value.trim();
        if (value.length() <  1) {
            return (null);
        }
        try {
            return (Double.valueOf(value));
        } catch (NumberFormatException nfe) {
            throw new ConverterException(MessageFactory.getMessage(
                 context, DOUBLE_ID, value, "1999999",
                 MessageFactory.getLabel(context, component)));
        } catch (Exception e) {
            throw new ConverterException(e);
        }
}

 public String getAsString(FacesContext context,
    UIComponent component,
    Object value) 
{
        if (context == null || component == null) {
            throw new NullPointerException();
        }
        // If the specified value is null, return a zero-length String
        if (value == null) {
            return "";
        }
        // If the incoming value is still a string, play nice
        // and return the value unmodified
        if (value instanceof String) {
            return (String) value;
        }
        try {
            return (Double.toString(((Number) value).doubleValue()));
        } catch (Exception e) {
            throw new ConverterException(MessageFactory.getMessage(
                 context, STRING_ID, value,
                 MessageFactory.getLabel(context, component)), e);
        }
}