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* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
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*
* This software is distributed in the hope that it will be useful,
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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*/
package org.richfaces.tests.metamer.validator;
import java.util.Calendar;
import java.util.Date;
import javax.faces.application.FacesMessage;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.validator.FacesValidator;
import javax.faces.validator.Validator;
import javax.faces.validator.ValidatorException;
/**
* Custom date validator that accepts only last year's dates.
*
* @author <a href="mailto:ppitonak@redhat.com">Pavol Pitonak</a>
* @version $Revision: 22493 $
*/
@FacesValidator("org.richfaces.LastYearValidator")
public class LastYearValidator implements Validator {
public static final String VALIDATOR_ERROR_MSG = "has to contain last year's date";
@Override
public void validate(FacesContext context, UIComponent component, Object value) throws ValidatorException {
FacesMessage msg = new FacesMessage(FacesMessage.SEVERITY_ERROR, VALIDATOR_ERROR_MSG,
VALIDATOR_ERROR_MSG);
if (value == null || !(value instanceof Date)) {
throw new ValidatorException(msg);
}
int todaysYear = Calendar.getInstance().get(Calendar.YEAR);
Calendar param = Calendar.getInstance();
param.setTime((Date) value);
if (todaysYear - 1 != param.get(Calendar.YEAR)) {
throw new ValidatorException(msg);
}
}
}