/*
This file is part of Cyclos (www.cyclos.org).
A project of the Social Trade Organisation (www.socialtrade.org).
Cyclos 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 2 of the License, or
(at your option) any later version.
Cyclos 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 Cyclos; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package nl.strohalm.cyclos.utils.validation;
import org.apache.commons.lang.StringUtils;
public class NumericValidation implements PropertyValidation {
private static NumericValidation INSTANCE = new NumericValidation();
private static final long serialVersionUID = -5841372577792943157L;
public static NumericValidation instance() {
return INSTANCE;
}
/**
* This class could be used as a class validator in the custom field edition, then it must contains a public constructor
*/
public NumericValidation() {
}
/**
* Validates that the value only contains numeric chars
* @see nl.strohalm.cyclos.utils.validation.PropertyValidation#validate(java.lang.Object, java.lang.Object, java.lang.Object)
*/
public ValidationError validate(final Object object, final Object property, final Object value) {
if (value != null && !StringUtils.isNumeric((String) value)) {
return new ValidationError("errors.numeric");
} else {
return null;
}
}
}