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A json schema validator that supports draft v4, v6, v7, v2019-09 and v2020-12

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/*
 * Copyright (c) 2016 Network New Technologies Inc.
 *
 * 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 com.networknt.schema;

import com.fasterxml.jackson.databind.JsonNode;

import java.util.Collection;
import java.util.Collections;
import java.util.Map;

/**
 * Format Keyword.
 */
public class FormatKeyword implements Keyword {
    private final String value;
    private final ErrorMessageType errorMessageType;
    private final Map formats;
    
    public FormatKeyword(Map formats) {
        this(ValidatorTypeCode.FORMAT, formats);
    }

    public FormatKeyword(ValidatorTypeCode type, Map formats) {
        this(type.getValue(), type, formats);
    }

    public FormatKeyword(String value, ErrorMessageType errorMessageType, Map formats) {
        this.value = value;
        this.formats = formats;
        this.errorMessageType = errorMessageType;
    }

    Collection getFormats() {
        return Collections.unmodifiableCollection(this.formats.values());
    }

    @Override
    public JsonValidator newValidator(SchemaLocation schemaLocation, JsonNodePath evaluationPath, JsonNode schemaNode, JsonSchema parentSchema, ValidationContext validationContext) {
        Format format = null;
        if (schemaNode != null && schemaNode.isTextual()) {
            String formatName = schemaNode.textValue();
            format = this.formats.get(formatName);
        }
        return new FormatValidator(schemaLocation, evaluationPath, schemaNode, parentSchema, validationContext, format,
                errorMessageType, this);
    }

    @Override
    public String getValue() {
        return this.value;
    }
}