/**
* 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.validator;
import java.math.*;
import javax.faces.application.*;
import javax.faces.component.*;
import javax.faces.context.*;
import javax.faces.validator.*;
import org.apache.commons.logging.*;
/**
*
* @author ivan
*/
public class EuroValidator implements Validator
{
private static final Log log = LogFactory.getLog(EuroValidator.class);
/** */
public void validate( FacesContext context, UIComponent component, Object value ) throws ValidatorException
{
int scale = Integer.parseInt((String)component.getAttributes().get("scale"));
int maxSize = Integer.parseInt((String)component.getAttributes().get("maxSize"));
log.info("validate - value="+value );
if( value!=null )
{
// Check if value is a BigDecimal
if( !(value instanceof BigDecimal) ){
log.info("validate - value is not a BigDecimal ("+value.getClass().getName()+")");
throw new ValidatorException( new FacesMessage("Las cantidades monetarias deben ser de tipo BigDecimal") );
}
// Check if it has no more than scale decimal digits
BigDecimal bd = (BigDecimal)value;
if( bd.scale() > scale ){
log.info("validate - value has more than 2 decimals ("+value+")");
throw new ValidatorException( new FacesMessage("Las cantidades monetarias no pueden tener más de " + scale + " decimales") );
}
if (bd.precision() - bd.scale() > (maxSize - scale)){
log.info("validate - value has more than " + maxSize + " numbers ("+value+")");
throw new ValidatorException( new FacesMessage("Las cantidades monetarias no pueden tener más de " + maxSize + " cifras incluyendo los " + scale + " decimales") );
}
}
}
}