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This is a fork of the implementation of the JSON Schema Core Draft v4 specification built with the org.json API which also supports internationalization

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/*
 * Original work Copyright (C) 2011 Everit Kft. (http://www.everit.org)
 * Modified work Copyright (c) 2019 Isaias Arellano - [email protected]
 *
 * Licensed 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
 *
 *     http://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.everit.json.schema.internal;

import org.apache.commons.validator.routines.InetAddressValidator;
import org.everit.json.schema.i18n.ResourceBundleThreadLocal;
import org.everit.json.schema.FormatValidator;

import java.util.Optional;

/**
 * Implementation of the "ipv6" format value.
 */
public class IPV6Validator extends IPAddressValidator implements FormatValidator {

    @Override
    public Optional validate(final String subject) {
        return (subject != null) && InetAddressValidator.getInstance().isValidInet6Address(subject) ?
                Optional.empty() :
                Optional.of(String.format(ResourceBundleThreadLocal.get().getString("format.ipv6"), subject));
    }

    @Override
    public String formatName() {
        return "ipv6";
    }
}