content: /*
   * Copyright 2007-2019 Amazon.com, Inc. or its affiliates. All Rights Reserved.
   *
   * Licensed under the Apache License, Version 2.0 (the "License").
   * You may not use this file except in compliance with the License.
   * A copy of the License is located at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * or in the "license" file accompanying this file. This file 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.amazon.ion;
  
  public class BitUtils
  {
      public static byte[] bytes(int... ints)
      {
          byte[] b = new byte[ints.length];
          for (int i = 0; i < ints.length; i++)
          {
              b[i] = (byte) (checkBounds(ints[i], 0, 256) & 0xFF);
          }
          return b;
      }
  
      private static int checkBounds(int value, int lowerInclusive,
                                     int upperExclusive)
      {
          if (value < lowerInclusive)
          {
              throw new IllegalArgumentException(String
                  .format("Value %s is less than lower bound %s", value,
                          lowerInclusive));
          }
          else if (value >= upperExclusive)
          {
              throw new IllegalArgumentException(String
                  .format("Value %s is greater than or equal to upper bound %s",
                          value, upperExclusive));
          }
          else
          {
              return value;
          }
      }
  }
  