/*
* Copyright 2014-2016 CyberVision, 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 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 && buf.hasArray() ? Hex.encodeHexString(buf.array()) : "";
}
}