Android String to Hex String Convert stringToHex(String string)

Description

Converts the string to a hex representation with leading 0 byte and 2 null terminating byte

License

Open Source License

Parameter

Parameter	Description
String	string (String to be converted to hex.)

Return

byte[] with converted string

Declaration

public static byte[] stringToHex(String string) 

Method Source Code

//package com.java2s;
/*****************************************************************************
 Copyright ? 2014 Kent Displays, Inc./*from   w  w  w.  j a  v a2 s.co m*/

 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
 in the Software without restriction, including without limitation the rights
 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 copies of the Software, and to permit persons to whom the Software is
 furnished to do so, subject to the following conditions:

 The above copyright notice and this permission notice shall be included in
 all copies or substantial portions of the Software.

 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 THE SOFTWARE.
 ****************************************************************************/

import java.io.ByteArrayOutputStream;

public class Main {
    /**
     * Converts the string to a hex representation with leading 0 byte and 2
     * null terminating byte
     *
     * @param String string (String to be converted to hex.)
     * @return byte[] with converted string
     */
    public static byte[] stringToHex(String string) {
        // Convert the string to hex
        ByteArrayOutputStream stream = new ByteArrayOutputStream();

        byte name_bytes_temp[] = string.getBytes();
        int length = name_bytes_temp.length;
        for (int i = 0; i < (length + 1) * 2; ++i) {
            if (i % 2 == 1 && (i - 1) / 2 < length) {
                stream.write(name_bytes_temp[(i - 1) / 2]);
            } else
                stream.write((byte) 0);
        }

        return stream.toByteArray();
    }
}

Related

1. hexStr2Str(String hexStr)
2. hexStringToCommonString(String hexString)
3. toHex(String txt)
4. toHex(String txt)
5. parseHexStr2Byte(String hexStr)
6. str2HexStr(String str)
7. str2HexStrExt(String str)