package org.kaaproject.kaa.server.common.utils;

import org.apache.commons.codec.binary.Hex;

import java.nio.ByteBuffer;

public final class Utils {

  private Utils() {}

  /**
   * Encode byte array into string if it is not null.
   *
   * @param buf byte array to be encoded
   * @return    encoded string
   */
  public static String encodeHexString(byte[] buf) {
    return buf != null ? Hex.encodeHexString(buf) : "";
  }

  public static String encodeHexString(ByteBuffer buf) {
    return buf != null ? Hex.encodeHexString(buf.array()) : "";
  }
}

@@ -1,8 +1,616 @@
+/*%0A * Copyright 2014-2016 CyberVision, Inc.%0A *%0A * Licensed under the Apache License, Version 2.0 (the %22License%22);%0A * you may not use this file except in compliance with the License.%0A * You may obtain a copy of the License at%0A *%0A *      http://www.apache.org/licenses/LICENSE-2.0%0A *%0A * Unless required by applicable law or agreed to in writing, software%0A * distributed under the License is distributed on an %22AS IS%22 BASIS,%0A * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.%0A * See the License for the specific language governing permissions and%0A * limitations under the License.%0A */%0A%0A
 package 

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