content: /*
   *  Copyright 2016-2024 Qameta Software 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 io.qameta.allure.context;
  
  import io.qameta.allure.Context;
  
  import java.math.BigInteger;
  import java.util.concurrent.ThreadLocalRandom;
  import java.util.function.Supplier;
  
  /**
   * This context used to generate random uids for Allure results.
   *
   * @since 2.0
   */
  public class RandomUidContext implements Context<Supplier<String>> {
  
      private static final int UID_RANDOM_BYTES_COUNT = 8;
  
      private static final int RADIX = 16;
  
      @Override
      public Supplier<String> getValue() {
          return () -> {
              final byte[] randomBytes = new byte[UID_RANDOM_BYTES_COUNT];
              ThreadLocalRandom.current().nextBytes(randomBytes);
              return new BigInteger(1, randomBytes).toString(RADIX);
          };
      }
  }
  