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• 3.1.15
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• HexUtil.java

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com.github.shoothzj.javatool.util.HexUtil Maven / Gradle / Ivy

package com.github.shoothzj.javatool.util;

/**
 * @author hezhangjian
 */
public class HexUtil {
    private static final org.slf4j.Logger log = org.slf4j.LoggerFactory.getLogger(HexUtil.class);

    public static byte[] hexStrToByteArray(String s) {
        int len = s.length();
        byte[] data = new byte[len / 2];
        for (int i = 0; i < len; i += 2) {
            data[i / 2] = (byte) ((Character.digit(s.charAt(i), 16) << 4) + Character.digit(s.charAt(i + 1), 16));
        }
        return data;
    }
}