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package edu.harvard.iq.dataverse;

import javax.ejb.EJB;

import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.convert.Converter;
import javax.faces.convert.FacesConverter;

/**
 *
 * @author xyang
 */
@FacesConverter("controlledVocabularyValueConverter")
public class ControlledVocabularyValueConverter implements Converter {

    @EJB
    DatasetFieldServiceBean datasetFieldService;

    public Object getAsObject(FacesContext facesContext, UIComponent component, String submittedValue) {
        if (submittedValue == null || submittedValue.equals("")) {
            return "";
        } else {
            ControlledVocabularyValue cvv = datasetFieldService.findControlledVocabularyValue(new Long(submittedValue));
            return cvv;
        }
    }

    public String getAsString(FacesContext facesContext, UIComponent component, Object value) {
        if (value == null || value.equals("")) {
            return "";
        } else {
            return ((ControlledVocabularyValue) value).getId().toString();
        }
    }
}