Constants.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.commons.validator;

import org.apache.commons.validator.routines.CreditCardValidator;
import org.apache.commons.validator.routines.UrlValidator;

/**
 * Defines constants to avoid an NPE for [VALIDATOR-502] Circular dependency in static initialization causes NPE in GenericValidator.isCreditCard().
 */
final class Constants {

    /**
     * CreditCardValidator used in wrapper method.
     */
    static final CreditCardValidator CREDIT_CARD_VALIDATOR = new CreditCardValidator();

    /**
     * UrlValidator used in wrapper method.
     */
    static final UrlValidator URL_VALIDATOR = new UrlValidator();
}