Java ASCII to Hex Ascii2Hex(int len, byte data_in[], byte data_out[])

Description

Ascii Hex

License

Apache License

Declaration

public static void Ascii2Hex(int len, byte data_in[], byte data_out[]) 

Method Source Code

//package com.java2s;
//License from project: Apache License 

public class Main {

    public static void Ascii2Hex(int len, byte data_in[], byte data_out[]) {
        byte temp1[] = new byte[1];
        byte temp2[] = new byte[1];
        for (int i = 0, j = 0; i < len; j++) {
            temp1[0] = data_in[i];/*from ww  w .j a v a 2s  . c o m*/
            temp2[0] = data_in[i + 1];
            if (temp1[0] >= '0' && temp1[0] <= '9') {
                temp1[0] -= '0';
                temp1[0] = (byte) (temp1[0] << 4);

                temp1[0] = (byte) (temp1[0] & 0xf0);

            } else if (temp1[0] >= 'a' && temp1[0] <= 'f') {
                temp1[0] -= 0x57;
                temp1[0] = (byte) (temp1[0] << 4);
                temp1[0] = (byte) (temp1[0] & 0xf0);
            }

            if (temp2[0] >= '0' && temp2[0] <= '9') {
                temp2[0] -= '0';

                temp2[0] = (byte) (temp2[0] & 0x0f);

            } else if (temp2[0] >= 'a' && temp2[0] <= 'f') {
                temp2[0] -= 0x57;

                temp2[0] = (byte) (temp2[0] & 0x0f);
            }
            data_out[j] = (byte) (temp1[0] | temp2[0]);

            i += 2;
        }

    }
}

Related

1. ascii2Hex(byte[] in)
2. asciiToHex(byte[] src, int len, int padding)
3. ASCIIToHex(int args, int len)
4. asciiToHex(String ascii)
5. asciiToHex(String ascii)