PeriodExpressionValidator.java

/*
 * Copyright 2026 Global Crop Diversity Trust
 * Licensed under the Apache License, Version 2.0
 * See LICENSE file in project root folder or http://www.apache.org/licenses/LICENSE-2.0
 */

package org.gringlobal.custom.validation.javax;

import java.time.Period;
import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;

public class PeriodExpressionValidator implements ConstraintValidator<PeriodExpressionValidation, String> {

	@Override
	public boolean isValid(String value, ConstraintValidatorContext context) {
		if (value != null) {
			try {
				Period.parse(value);
			} catch (Exception e) {
				return false;
			}
		}
		return true;
	}
}