Java String to convertStringToPrimaryKey(String keyString)

Description

Converts a String to the 192-bit primary key.

Converts the given key to lower case prior to conversion to binary.

License

Open Source License

Parameter

Parameter	Description
keyString	the key string to convert.

Return

a 192-bit primary key.

Declaration

public static byte[] convertStringToPrimaryKey(String keyString) 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

public class Main {
    /**/*from   www. j a  v  a2 s .c o m*/
     * <p>Converts a <code>String</code> to the 192-bit primary key.</p>
     * Converts the given key to lower case prior to conversion to binary.
     * 
     * @param keyString the key string to convert.
     * 
     * @return a 192-bit primary key.
     */
    public static byte[] convertStringToPrimaryKey(String keyString) {

        if ((keyString != null) && (!"".equals(keyString))) {

            keyString = keyString.toLowerCase();
            byte[] bArray = new byte[(keyString.length() / 2)];

            for (int i = 0; i < bArray.length; i++) {
                bArray[i] = (byte) Integer.parseInt(keyString.substring(i * 2, i * 2 + 2), 16);
            }
            return bArray;
        }
        return null;
    }
}

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