/**
* Copyright (C) 2011 JTalks.org Team
* This library 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 the License, or (at your option) any later version.
* This library 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
* Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
package org.jtalks.jcommune.web.validation.validators;
import net.sf.ehcache.hibernate.management.impl.BeanUtils;
import org.jtalks.jcommune.web.validation.annotations.AtLeastOneNotEmpty;
import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
/**
* @author Mikhail Stryzhonok
*/
public class AtLeastOneNotEmptyValidator implements ConstraintValidator<AtLeastOneNotEmpty, Object> {
private String[] fieldNames;
@Override
public void initialize(AtLeastOneNotEmpty constraintAnnotation) {
fieldNames = constraintAnnotation.fieldNames();
}
@Override
public boolean isValid(Object value, ConstraintValidatorContext context) {
if (value == null) {
return true;
}
for (String name : fieldNames) {
Object property = BeanUtils.getBeanProperty(value, name);
if (property instanceof String && ((String) property).trim().length() > 0) {
return true;
}
}
return false;
}
}