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A Java library for CBOR, COSE, CWT and mdoc.

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/*
 * Copyright (C) 2023 Authlete, 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
 *
 *     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 com.authlete.mdoc;


import java.util.List;
import com.authlete.cbor.CBORPair;
import com.authlete.cbor.CBORPairList;
import com.authlete.cbor.CBORPairsBuilder;
import com.authlete.cbor.CBORString;


/**
 * The {@code KeyAuthorizations} structure.
 *
 * 
 * For details, see ISO/IEC 18013-5:2021, 9.1.2.4 Signing method and structure for MSO.
 * 
 *
 * Definition
 *
 *  * KeyAuthorizations = {
 *     ? "nameSpaces" : {@link AuthorizedNameSpaces},
 *     ? "dataElements" : {@link AuthorizedDataElements}
 * }
 * 
 *
 * @since 1.5
 *
 * @see ISO/IEC 18013-5:2021
 *
 * @see DeviceKeyInfo
 */
public class KeyAuthorizations extends CBORPairList
{
    private static final CBORString LABEL_NAME_SPACES   = new CBORString("nameSpaces");
    private static final CBORString LABEL_DATA_ELEMENTS = new CBORString("dataElements");


    public KeyAuthorizations(
            AuthorizedNameSpaces nameSpaces, AuthorizedDataElements dataElements)
    {
        super(createList(nameSpaces, dataElements));
    }


    private static List createList(
            AuthorizedNameSpaces nameSpaces, AuthorizedDataElements dataElements)
    {
        return new CBORPairsBuilder()
                .addUnlessNull(LABEL_NAME_SPACES,   nameSpaces)
                .addUnlessNull(LABEL_DATA_ELEMENTS, dataElements)
                .build();
    }
}