/**
 * TNTConcept Easy Enterprise Management by Autentia Real Bussiness Solution S.L.
 * Copyright (C) 2007 Autentia Real Bussiness Solution S.L.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package com.autentia.tnt.converter;

import java.util.Date;

import javax.faces.application.FacesMessage;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.convert.Converter;
import javax.faces.convert.ConverterException;

import org.apache.commons.lang.StringUtils;
import java.text.DateFormat;
import java.text.SimpleDateFormat;

/**
 * Conversor de n�meros de tel�fono
 * 
 * @author AUTENTIA
 */

public class DateConverter implements Converter {
	/**
	 * Devuelve la representaci�n Date de JAVA de un valor
	 */
	public Object getAsObject(FacesContext context, UIComponent component,
			String value) throws ConverterException {
		DateFormat fmt = new SimpleDateFormat("dd/MM/yyyy");
		Date fecha = null;

		if (!StringUtils.isEmpty(value)) {
			try {
				fecha = fmt.parse(value);
			} catch (Exception pe) {
				String mensaje = "El valor no se corresponde con una fecha válida";
				throw new ConverterException(new FacesMessage(mensaje));
			}
		}
		return fecha;
	}

	/**
	 * Devuelve la representacion cadena de una fecha
	 */
	public String getAsString(FacesContext context, UIComponent component,
			Object value) throws ConverterException {
		DateFormat fmt = new SimpleDateFormat("dd/MM/yyyy");
		String valor = null;
		if (value == null) {
			valor = "";
		} else {
			valor = fmt.format(value);
		}
		return valor;
	}

}