19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2006 The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you may not use this file except in compliance with the License. 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You may obtain a copy of the License at 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License. 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpackage com.android.internal.util; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class HexDump 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final static char[] HEX_DIGITS = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' }; 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static String dumpHexString(byte[] array) 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return dumpHexString(array, 0, array.length); 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static String dumpHexString(byte[] array, int offset, int length) 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project StringBuilder result = new StringBuilder(); 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project byte[] line = new byte[16]; 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int lineIndex = 0; 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result.append("\n0x"); 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result.append(toHexString(offset)); 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = offset ; i < offset + length ; i++) 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (lineIndex == 16) 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result.append(" "); 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int j = 0 ; j < 16 ; j++) 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (line[j] > ' ' && line[j] < '~') 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result.append(new String(line, j, 1)); 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project else 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result.append("."); 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result.append("\n0x"); 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result.append(toHexString(i)); 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lineIndex = 0; 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project byte b = array[i]; 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result.append(" "); 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result.append(HEX_DIGITS[(b >>> 4) & 0x0F]); 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result.append(HEX_DIGITS[b & 0x0F]); 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project line[lineIndex++] = b; 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (lineIndex != 16) 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int count = (16 - lineIndex) * 3; 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project count++; 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0 ; i < count ; i++) 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result.append(" "); 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0 ; i < lineIndex ; i++) 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (line[i] > ' ' && line[i] < '~') 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result.append(new String(line, i, 1)); 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project else 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result.append("."); 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return result.toString(); 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static String toHexString(byte b) 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return toHexString(toByteArray(b)); 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static String toHexString(byte[] array) 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return toHexString(array, 0, array.length); 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static String toHexString(byte[] array, int offset, int length) 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char[] buf = new char[length * 2]; 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int bufIndex = 0; 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = offset ; i < offset + length; i++) 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project byte b = array[i]; 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buf[bufIndex++] = HEX_DIGITS[(b >>> 4) & 0x0F]; 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buf[bufIndex++] = HEX_DIGITS[b & 0x0F]; 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new String(buf); 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static String toHexString(int i) 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return toHexString(toByteArray(i)); 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static byte[] toByteArray(byte b) 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project byte[] array = new byte[1]; 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project array[0] = b; 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return array; 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static byte[] toByteArray(int i) 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project byte[] array = new byte[4]; 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project array[3] = (byte)(i & 0xFF); 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project array[2] = (byte)((i >> 8) & 0xFF); 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project array[1] = (byte)((i >> 16) & 0xFF); 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project array[0] = (byte)((i >> 24) & 0xFF); 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return array; 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static int toByte(char c) 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c >= '0' && c <= '9') return (c - '0'); 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c >= 'A' && c <= 'F') return (c - 'A' + 10); 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c >= 'a' && c <= 'f') return (c - 'a' + 10); 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new RuntimeException ("Invalid hex char '" + c + "'"); 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static byte[] hexStringToByteArray(String hexString) 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int length = hexString.length(); 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project byte[] buffer = new byte[length / 2]; 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0 ; i < length ; i += 2) 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buffer[i / 2] = (byte)((toByte(hexString.charAt(i)) << 4) | toByte(hexString.charAt(i+1))); 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return buffer; 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 165