content: /*
   * Copyright 2020 Aiven Oy
   *
   * 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.aiven.kafka.connect.gcs.testutils;
  
  final public class Utils {
      private static final char[] HEX_CHARS = "0123456789ABCDEF".toCharArray();
  
      private Utils() {
          /* hide constructor */ }
  
      public static String bytesToHex(final byte[] bytes) {
          final char[] chars = new char[bytes.length * 2];
          for (int i = 0; i < bytes.length; i++) {
              final int value = bytes[i] & 0xFF;
              chars[i * 2] = HEX_CHARS[value >>> 4];
              chars[i * 2 + 1] = HEX_CHARS[value & 0x0F];
          }
          return new String(chars);
      }
  }
  