/*
* Created on 03/set/2011
* Copyright 2011 by Andrea Vacondio (andrea.vacondio@gmail.com).
*
* This file is part of the Sejda source code
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.sejda.model.validation.validator;
import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
import org.sejda.model.parameter.SetPagesTransitionParameters;
import org.sejda.model.validation.constraint.HasTransitions;
/**
* Validator to validate a {@link SetPagesTransitionParameters} to make sure it has a default transition or a not empty set of transitions.
*
* @author Andrea Vacondio
*
*/
public class HasTransitionsValidator implements ConstraintValidator<HasTransitions, SetPagesTransitionParameters> {
@Override
public void initialize(HasTransitions constraintAnnotation) {
// nothing to do
}
@Override
public boolean isValid(SetPagesTransitionParameters value, ConstraintValidatorContext context) {
if (value != null) {
return value.getDefaultTransition() != null || !value.getTransitions().isEmpty();
}
return true;
}
}