Java Hex Calculate toHexString(byte[] array)

Description

to Hex String

License

Apache License

Parameter

Parameter	Description
array	a parameter

Declaration

public static final String toHexString(byte[] array) 

Method Source Code

//package com.java2s;
/* org.agiso.core.lang.util.HexUtils (12-02-2014)
 * /* w w  w .j a v a 2 s.  c o m*/
 * HexUtils.java
 * 
 * Copyright 2014 agiso.org
 * 
 * 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 {
    /**
     * @param array
     * @return
     */
    public static final String toHexString(byte[] array) {
        int length = array.length;
        StringBuilder hexString = new StringBuilder();
        for (int i = 0; i < length; i++) {
            hexString.append(toHexDigit(array[i]));
        }

        return hexString.toString();
    }

    /**
     * @param b
     * @return
     */
    public static final String toHexDigit(byte b) {
        StringBuilder sb = new StringBuilder();
        char c;
        // First nibble
        c = (char) ((b >> 4) & 0xf);
        if (c > 9) {
            c = (char) ((c - 10) + 'a');
        } else {
            c = (char) (c + '0');
        }
        sb.append(c);
        // Second nibble
        c = (char) (b & 0xf);
        if (c > 9) {
            c = (char) ((c - 10) + 'a');
        } else {
            c = (char) (c + '0');
        }
        sb.append(c);
        return sb.toString();
    }
}

Related

1. toHexString(byte input[])
2. toHexString(byte n)
3. toHexString(byte value)
4. toHexString(byte value)
5. toHexString(byte[] arr)
6. toHexString(byte[] array)
7. toHexString(byte[] b)
8. toHexString(byte[] b)
9. toHexString(byte[] b)