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*/
package jsf.entity;
import entity.Lecture;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.convert.Converter;
import jpa.controllers.LectureJpaController;
/**
*
* @author atap
*/
public class LecturesConverter implements Converter {
@Override
public Object getAsObject(FacesContext context, UIComponent component, String value) {
if (value == null || value.length() == 0) {
return null;
}
Integer id = new Integer(value);
LectureJpaController controller = (LectureJpaController) context.getApplication().getELResolver().getValue(context.getELContext(), null, "lectureJpa");
return controller.findLecture(id);
}
@Override
public String getAsString(FacesContext context, UIComponent component, Object value) {
if (value == null) {
return null;
}
if (value instanceof Lecture) {
Lecture o = (Lecture) value;
return o.getId() == null ? "" : o.getId().toString();
} else {
throw new IllegalArgumentException("object " + value + " is of type " + value.getClass().getName() + "; expected type: entity.Lectures");
}
}
}