[jboss-user] [JBoss Seam] - Re: Custom JSF Converter???

[nebukadnezzar]

"pete.muir at jboss.org" wrote : Try using @Converter.

doesn't work...

.page.xml:

  | ...
  | <param name="category" value="#{appointmentList.appointment.category}" converter="#{appointmentCategoryConverter}" />
  | ...

.xhtml

  | ...
  | <h:selectOneMenu id="category" value="#{appointmentList.appointment.category}" >
  | 	<s:selectItems value="#{appointmentCategoryList.resultList}" var="c" label="#{c.name}" noSelectionLabel="" />
  | 	<s:convertEntity/>
  | </h:selectOneMenu>
  | ...

.java

  | @Converter
  | @Name("appointmentCategoryConverter")
  | @Stateless
  | public class AppointmentCategoryConverterBean implements javax.faces.convert.Converter, AppointmentCategoryConverter  {
  | 
  | 	@PersistenceContext
  | 	private EntityManager entityManager;
  | 	
  | 	public Object getAsObject(FacesContext arg0, UIComponent arg1, String str) 
  | 	throws ConverterException {
  | 		try {
  | 			long id = Long.parseLong(str);
  | 			
  | 			return entityManager.createQuery("Select ac from AppointmentCategory where ac.id = :id")
  | 					.setParameter("id", id)
  | 					.getSingleResult();
  | 			
  | 		} catch (Exception e) {
  | 			throw new ConverterException(e);
  | 		}
  | 		
  | 	}
  | 
  | 	public String getAsString(FacesContext arg0, UIComponent arg1, Object obj) 
  | 	throws ConverterException {
  | 		try {
  | 			return Long.toString(((AppointmentCategory)obj).getId());
  | 		} catch (Exception e) {
  | 			throw new ConverterException(e);
  | 		}
  | 	}
  | }

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