1 files changed, 0 insertions, 238 deletions
diff --git a/common/framework/com/android/net/module/util/HexDump.java b/common/framework/com/android/net/module/util/HexDump.java
deleted file mode 100644
index a22c258d..00000000
--- a/common/framework/com/android/net/module/util/HexDump.java
+++ /dev/null
@@ -1,238 +0,0 @@
-/*
- * Copyright (C) 2021 The Android Open Source Project
- *
- * 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.
- */
-
-package com.android.net.module.util;
-
-import androidx.annotation.Nullable;
-
-/**
- * Hex utility functions.
- *
- * @hide
- */
-public class HexDump {
-    private static final char[] HEX_DIGITS = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
-            'A', 'B', 'C', 'D', 'E', 'F' };
-    private static final char[] HEX_LOWER_CASE_DIGITS = { '0', '1', '2', '3', '4', '5', '6', '7',
-            '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
-
-    /**
-     * Dump the hex string corresponding to the specified byte array.
-     *
-     * @param array byte array to be dumped.
-     */
-    public static String dumpHexString(@Nullable byte[] array) {
-        if (array == null) return "(null)";
-        return dumpHexString(array, 0, array.length);
-    }
-
-    /**
-     * Dump the hex string corresponding to the specified byte array.
-     *
-     * @param array byte array to be dumped.
-     * @param offset the offset in array where dump should start.
-     * @param length the length of bytes to be dumped.
-     */
-    public static String dumpHexString(@Nullable byte[] array, int offset, int length) {
-        if (array == null) return "(null)";
-        StringBuilder result = new StringBuilder();
-
-        byte[] line = new byte[16];
-        int lineIndex = 0;
-
-        result.append("\n0x");
-        result.append(toHexString(offset));
-
-        for (int i = offset; i < offset + length; i++) {
-            if (lineIndex == 16) {
-                result.append(" ");
-
-                for (int j = 0; j < 16; j++) {
-                    if (line[j] > ' ' && line[j] < '~') {
-                        result.append(new String(line, j, 1));
-                    } else {
-                        result.append(".");
-                    }
-                }
-
-                result.append("\n0x");
-                result.append(toHexString(i));
-                lineIndex = 0;
-            }
-
-            byte b = array[i];
-            result.append(" ");
-            result.append(HEX_DIGITS[(b >>> 4) & 0x0F]);
-            result.append(HEX_DIGITS[b & 0x0F]);
-
-            line[lineIndex++] = b;
-        }
-
-        if (lineIndex != 16) {
-            int count = (16 - lineIndex) * 3;
-            count++;
-            for (int i = 0; i < count; i++) {
-                result.append(" ");
-            }
-
-            for (int i = 0; i < lineIndex; i++) {
-                if (line[i] > ' ' && line[i] < '~') {
-                    result.append(new String(line, i, 1));
-                } else {
-                    result.append(".");
-                }
-            }
-        }
-
-        return result.toString();
-    }
-
-    /**
-     * Convert a byte to an uppercase hex string.
-     *
-     * @param b the byte to be converted.
-     */
-    public static String toHexString(byte b) {
-        return toHexString(toByteArray(b));
-    }
-
-    /**
-     * Convert a byte array to an uppercase hex string.
-     *
-     * @param array the byte array to be converted.
-     */
-    public static String toHexString(byte[] array) {
-        return toHexString(array, 0, array.length, true);
-    }
-
-    /**
-     * Convert a byte array to a hex string.
-     *
-     * @param array the byte array to be converted.
-     * @param upperCase whether the converted hex string should be uppercase or not.
-     */
-    public static String toHexString(byte[] array, boolean upperCase) {
-        return toHexString(array, 0, array.length, upperCase);
-    }
-
-    /**
-     * Convert a byte array to hex string.
-     *
-     * @param array the byte array to be converted.
-     * @param offset the offset in array where conversion should start.
-     * @param length the length of bytes to be converted.
-     */
-    public static String toHexString(byte[] array, int offset, int length) {
-        return toHexString(array, offset, length, true);
-    }
-
-    /**
-     * Convert a byte array to hex string.
-     *
-     * @param array the byte array to be converted.
-     * @param offset the offset in array where conversion should start.
-     * @param length the length of bytes to be converted.
-     * @param upperCase whether the converted hex string should be uppercase or not.
-     */
-    public static String toHexString(byte[] array, int offset, int length, boolean upperCase) {
-        char[] digits = upperCase ? HEX_DIGITS : HEX_LOWER_CASE_DIGITS;
-        char[] buf = new char[length * 2];
-
-        int bufIndex = 0;
-        for (int i = offset; i < offset + length; i++) {
-            byte b = array[i];
-            buf[bufIndex++] = digits[(b >>> 4) & 0x0F];
-            buf[bufIndex++] = digits[b & 0x0F];
-        }
-
-        return new String(buf);
-    }
-
-    /**
-     * Convert an integer to hex string.
-     *
-     * @param i the integer to be converted.
-     */
-    public static String toHexString(int i) {
-        return toHexString(toByteArray(i));
-    }
-
-    /**
-     * Convert a byte to byte array.
-     *
-     * @param b the byte to be converted.
-     */
-    public static byte[] toByteArray(byte b) {
-        byte[] array = new byte[1];
-        array[0] = b;
-        return array;
-    }
-
-    /**
-     * Convert an integer to byte array.
-     *
-     * @param i the integer to be converted.
-     */
-    public static byte[] toByteArray(int i) {
-        byte[] array = new byte[4];
-
-        array[3] = (byte) (i & 0xFF);
-        array[2] = (byte) ((i >> 8) & 0xFF);
-        array[1] = (byte) ((i >> 16) & 0xFF);
-        array[0] = (byte) ((i >> 24) & 0xFF);
-
-        return array;
-    }
-
-    private static int toByte(char c) {
-        if (c >= '0' && c <= '9') return (c - '0');
-        if (c >= 'A' && c <= 'F') return (c - 'A' + 10);
-        if (c >= 'a' && c <= 'f') return (c - 'a' + 10);
-
-        throw new RuntimeException("Invalid hex char '" + c + "'");
-    }
-
-    /**
-     * Convert a hex string to a byte array.
-     *
-     * @param hexString the string to be converted.
-     */
-    public static byte[] hexStringToByteArray(String hexString) {
-        int length = hexString.length();
-        byte[] buffer = new byte[length / 2];
-
-        for (int i = 0; i < length; i += 2) {
-            buffer[i / 2] =
-                    (byte) ((toByte(hexString.charAt(i)) << 4) | toByte(hexString.charAt(i + 1)));
-        }
-
-        return buffer;
-    }
-
-    /**
-     * Convert a byte to hex string and append it to StringBuilder.
-     *
-     * @param sb StringBuilder instance.
-     * @param b the byte to be converted.
-     * @param upperCase whether the converted hex string should be uppercase or not.
-     */
-    public static StringBuilder appendByteAsHex(StringBuilder sb, byte b, boolean upperCase) {
-        char[] digits = upperCase ? HEX_DIGITS : HEX_LOWER_CASE_DIGITS;
-        sb.append(digits[(b >> 4) & 0xf]);
-        sb.append(digits[b & 0xf]);
-        return sb;
-    }
-}