50 lines
1.6 KiB
Java
50 lines
1.6 KiB
Java
package com.afunx.ble.blelitelib.utils;
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/* loaded from: classes.dex */
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public class HexUtils {
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private static final char[] hexDigits = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'};
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public static String bytes2HexString(byte[] bArr) {
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if (bArr == null) {
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return null;
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}
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return bArr.length == 0 ? "" : bytes2HexString(bArr, 0, bArr.length);
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}
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public static String bytes2HexStringWithSpace(byte[] bArr) {
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if (bArr == null) {
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return null;
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}
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return bArr.length == 0 ? "" : bytes2HexStringWithSpace(bArr, 0, bArr.length);
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}
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public static String bytes2HexString(byte[] bArr, int i, int i2) {
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if (bArr == null || i < 0 || i2 <= 0 || i2 - i > bArr.length) {
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return null;
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}
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StringBuilder sb = new StringBuilder();
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for (int i3 = 0; i3 < i2; i3++) {
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int i4 = i3 + i;
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sb.append(hexDigits[(bArr[i4] >>> 4) & 15]);
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sb.append(hexDigits[bArr[i4] & 15]);
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}
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return sb.toString();
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}
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public static String bytes2HexStringWithSpace(byte[] bArr, int i, int i2) {
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if (bArr == null || i < 0 || i2 <= 0 || i2 - i > bArr.length) {
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return null;
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}
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StringBuilder sb = new StringBuilder();
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for (int i3 = 0; i3 < i2; i3++) {
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int i4 = i3 + i;
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sb.append(hexDigits[(bArr[i4] >>> 4) & 15]);
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sb.append(hexDigits[bArr[i4] & 15]);
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if (i3 != i2 - 1) {
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sb.append(" ");
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}
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}
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return sb.toString();
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}
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}
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