Java Hex Calculate toHexString(byte[] b)

Description

to Hex String

License

Open Source License

Declaration

public static String toHexString(byte[] b) 

Method Source Code

//package com.java2s;

public class Main {
    public static String toHexString(byte[] b) {
        StringBuffer buf = new StringBuffer();
        for (int i = 0; i < b.length; i++) {
            int bi = 0xff & b[i];
            int c = '0' + (bi / 16) % 16;
            if (c > '9')
                c = 'A' + (c - '0' - 10);
            buf.append((char) c);
            c = '0' + bi % 16;
            if (c > '9')
                c = 'a' + (c - '0' - 10);
            buf.append((char) c);
        }/*from w  w w  .j  a  v a 2  s  .co  m*/
        return buf.toString();
    }

    /** Append substring to StringBuffer 
     * @param buf StringBuffer to append to
     * @param s String to append from
     * @param offset The offset of the substring
     * @param length The length of the substring
     */
    public static void append(StringBuffer buf, String s, int offset, int length) {
        synchronized (buf) {
            int end = offset + length;
            for (int i = offset; i < end; i++) {
                if (i >= s.length())
                    break;
                buf.append(s.charAt(i));
            }
        }
    }

    public static void append(StringBuffer buf, byte b, int base) {
        int bi = 0xff & b;
        int c = '0' + (bi / base) % base;
        if (c > '9')
            c = 'a' + (c - '0' - 10);
        buf.append((char) c);
        c = '0' + bi % base;
        if (c > '9')
            c = 'a' + (c - '0' - 10);
        buf.append((char) c);
    }
}

Related

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