Java Hex Calculate toHexString(byte[] bytes)

Description

to Hex String

License

Apache License

Declaration

public static String toHexString(byte[] bytes) 

Method Source Code

//package com.java2s;
/*//from   ww  w  .  ja  va  2s  . co  m
 * Copyright (c) 2008-2016 Computer Network Information Center (CNIC), Chinese Academy of Sciences.
 * 
 * This file is part of Duckling project.
 *
 * 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. 
 *
 */

public class Main {
    private static final char[] CHAR_ARRAY = new char[] { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A',
            'B', 'C', 'D', 'E', 'F' };

    public static String toHexString(byte[] bytes) {
        if (bytes == null || bytes.length == 0) {
            return "";
        } else {
            StringBuffer buffer = new StringBuffer();
            for (byte b : bytes) {
                buffer.append(CHAR_ARRAY[(b >> 4) & 0xF]);//hi part
                buffer.append(CHAR_ARRAY[b & 0xF]); //low part
            }
            return buffer.toString();
        }
    }
}

Related

1. toHexString(byte[] bytes)
2. toHexString(byte[] bytes)
3. toHexString(byte[] bytes)
4. toHexString(byte[] bytes)
5. toHexString(byte[] bytes)
6. toHexString(byte[] bytes)
7. toHexString(byte[] bytes)
8. toHexString(byte[] bytes)
9. toHexString(byte[] bytes)