package com.qianwen.core.tool.utils;

/* loaded from: blade-core-tool-9.3.0.0-SNAPSHOT.jar:org/springblade/core/tool/utils/DatatypeConverterUtil.class */
public class DatatypeConverterUtil {
    public static byte[] parseHexBinary(String hexStr) {
        int len = hexStr.length();
        if (len % 2 != 0) {
            throw new IllegalArgumentException("hexBinary needs to be even-length: " + hexStr);
        }
        byte[] out = new byte[len / 2];
        for (int i = 0; i < len; i += 2) {
            int h = hexToBin(hexStr.charAt(i));
            int l = hexToBin(hexStr.charAt(i + 1));
            if (h == -1 || l == -1) {
                throw new IllegalArgumentException("contains illegal character for hexBinary: " + hexStr);
            }
            out[i / 2] = (byte) ((h * 16) + l);
        }
        return out;
    }

    private static int hexToBin(char ch) {
        if ('0' <= ch && ch <= '9') {
            return ch - '0';
        }
        if ('A' <= ch && ch <= 'F') {
            return (ch - 'A') + 10;
        }
        if ('a' <= ch && ch <= 'f') {
            return (ch - 'a') + 10;
        }
        return -1;
    }
}