Converts a hex string representation to a byte array.

 
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/**
 * ByteUtilities.java - Byte manipulation functions.
 * 
 * @author <a href="http://mina.apache.org">Apache MINA Project</a>
 * @since MINA 2.0.0-M3
 */
public class Util{

    /**
     * Converts a hex string representation to a byte array.
     * 
     * @param hex the string holding the hex values
     * @return the resulting byte array
     */
    public static byte[] asByteArray(String hex) {
        byte[] bts = new byte[hex.length() / 2];
        for (int i = 0; i < bts.length; i++) {
            bts[i] = (byte) Integer.parseInt(hex.substring(2 * i, 2 * i + 2),
                    16);
        }

        return bts;
    }


}

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Converts a hex string representation to a byte array. : Byte Array « File Input Output « Java

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