Java Hex to Byte Array convertHexStringToBytes(String hex)

Description

Converts the specified hex string to a byte array.

License

Apache License

Parameter

Parameter	Description
hex	the hex string

Return

the byte arrat

Declaration

public static byte[] convertHexStringToBytes(String hex) 

Method Source Code

//package com.java2s;
/**// www.ja va  2 s  .  co m
 * Copyright 2012 NetDigital Sweden AB
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
*/

public class Main {
    /**
     * Converts the specified hex string to a byte array.
     * 
     * @param hex the hex string
     * @return the byte arrat
     */
    public static byte[] convertHexStringToBytes(String hex) {
        int len = hex.length() / 2;
        byte[] buf = new byte[len];

        for (int i = 0; i < len; i++) {
            buf[i] = (byte) Integer.parseInt(hex.substring(i * 2, i * 2 + 2), 16);
        }

        return buf;
    }
}

Related

1. convertHexStringToByteArray(String hexString)
2. convertHexStringToByteArray(String s)
3. convertHexStringToByteArray(String str, int numBytes, int numCharsPerByte)
4. convertHexStringToByteNoSpace(String s)
5. convertHexStringToBytes(String hex)
6. convertHexToByteArray(String hexString)
7. convertHexToBytes(String s)
8. convertHexToBytes(String s)