Instead of
return new ConverterException("Invalid Ad Id");
you need to use
throw new ConverterException("Invalid Ad Id");
On 9/23/05, Jason Nesbitt <[EMAIL PROTECTED]> wrote:
> I have an input text field that is bound to a long value in the backing
> bean. I'm using a custom converter because I want the initial value of the
> input text field to be the empty string and because I want to provide an
> error message that is more specific. However, when I enter a value in the
> text field that is not a valid long I get the following error.
> ERROR org.apache.myfaces.el.ValueBindingImpl - Cannot set
> value for expression '#{login.adId}' to a new value of type
> javax.faces.convert.ConverterException
> javax.servlet.jsp.el.ELException: Attempt to coerce a
> value of type "javax.faces.convert.ConverterException" to
> type "java.lang.Long"
>
> What am I doing wrong here? My input text declaration is
>
> <h:inputText size="12" maxlength="25" value="#{login.adId}"
> converter="#{login.adIdConverter}" />
>
> and my converter property is
>
> public Converter getAdIdConverter() {
> return new Converter() {
> public Object getAsObject(
> FacesContext facesContext,
> UIComponent uiComponent,
> String s) throws ConverterException {
> try {
> return new Long(s);
> } catch (NumberFormatException e) {
> return new ConverterException("Invalid Ad Id");
> }
> }
>
> public String getAsString(
> FacesContext facesContext,
> UIComponent uiComponent,
> Object o) throws ConverterException {
> Long adId = (Long) o;
>
> if (adId == null || adId.longValue() == 0) {
> return "";
> } else {
> return String.valueOf(adId);
> }
> }
> };
> }
>
>
>
> Thanks
>
> Jason
>
