From 3bb2b5ef8fa812edcf4ca886ab7234af1eb33363 Mon Sep 17 00:00:00 2001 From: Berend Kapelle Date: Mon, 26 Feb 2018 16:12:16 +0100 Subject: [PATCH] deleted unused base64.java --- src/main/java/me/figo/util/Base64.java | 261 ------------------------- 1 file changed, 261 deletions(-) delete mode 100644 src/main/java/me/figo/util/Base64.java diff --git a/src/main/java/me/figo/util/Base64.java b/src/main/java/me/figo/util/Base64.java deleted file mode 100644 index 7640193..0000000 --- a/src/main/java/me/figo/util/Base64.java +++ /dev/null @@ -1,261 +0,0 @@ -package me.figo.util; - -/* - * Copyright (c) 2000, 2005, Oracle and/or its affiliates. All rights reserved. - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. - * - * This code is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 only, as - * published by the Free Software Foundation. Oracle designates this - * particular file as subject to the "Classpath" exception as provided - * by Oracle in the LICENSE file that accompanied this code. - * - * This code is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * version 2 for more details (a copy is included in the LICENSE file that - * accompanied this code). - * - * You should have received a copy of the GNU General Public License version - * 2 along with this work; if not, write to the Free Software Foundation, - * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. - * - * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA - * or visit www.oracle.com if you need additional information or have any - * questions. - */ - -/** - * Static methods for translating Base64 encoded strings to byte arrays - * and vice-versa. - * - * @author Josh Bloch - * @see Preferences - * @since 1.4 - */ -public class Base64 { - /** - * Translates the specified byte array into a Base64 string as per - * Preferences.put(byte[]). - */ - public static String byteArrayToBase64(byte[] a) { - return byteArrayToBase64(a, false); - } - - /** - * Translates the specified byte array into an "alternate representation" - * Base64 string. This non-standard variant uses an alphabet that does - * not contain the uppercase alphabetic characters, which makes it - * suitable for use in situations where case-folding occurs. - */ - static String byteArrayToAltBase64(byte[] a) { - return byteArrayToBase64(a, true); - } - - private static String byteArrayToBase64(byte[] a, boolean alternate) { - int aLen = a.length; - int numFullGroups = aLen/3; - int numBytesInPartialGroup = aLen - 3*numFullGroups; - int resultLen = 4*((aLen + 2)/3); - StringBuffer result = new StringBuffer(resultLen); - char[] intToAlpha = (alternate ? intToAltBase64 : intToBase64); - - // Translate all full groups from byte array elements to Base64 - int inCursor = 0; - for (int i=0; i> 2]); - result.append(intToAlpha[(byte0 << 4)&0x3f | (byte1 >> 4)]); - result.append(intToAlpha[(byte1 << 2)&0x3f | (byte2 >> 6)]); - result.append(intToAlpha[byte2 & 0x3f]); - } - - // Translate partial group if present - if (numBytesInPartialGroup != 0) { - int byte0 = a[inCursor++] & 0xff; - result.append(intToAlpha[byte0 >> 2]); - if (numBytesInPartialGroup == 1) { - result.append(intToAlpha[(byte0 << 4) & 0x3f]); - result.append("=="); - } else { - // assert numBytesInPartialGroup == 2; - int byte1 = a[inCursor++] & 0xff; - result.append(intToAlpha[(byte0 << 4)&0x3f | (byte1 >> 4)]); - result.append(intToAlpha[(byte1 << 2)&0x3f]); - result.append('='); - } - } - // assert inCursor == a.length; - // assert result.length() == resultLen; - return result.toString(); - } - - /** - * This array is a lookup table that translates 6-bit positive integer - * index values into their "Base64 Alphabet" equivalents as specified - * in Table 1 of RFC 2045. - */ - private static final char intToBase64[] = { - 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', - 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', - 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', - 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', - '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '+', '/' - }; - - /** - * This array is a lookup table that translates 6-bit positive integer - * index values into their "Alternate Base64 Alphabet" equivalents. - * This is NOT the real Base64 Alphabet as per in Table 1 of RFC 2045. - * This alternate alphabet does not use the capital letters. It is - * designed for use in environments where "case folding" occurs. - */ - private static final char intToAltBase64[] = { - '!', '"', '#', '$', '%', '&', '\'', '(', ')', ',', '-', '.', ':', - ';', '<', '>', '@', '[', ']', '^', '`', '_', '{', '|', '}', '~', - 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', - 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', - '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '+', '?' - }; - - /** - * Translates the specified Base64 string (as per Preferences.get(byte[])) - * into a byte array. - * - * @throw IllegalArgumentException if s is not a valid Base64 - * string. - */ - static byte[] base64ToByteArray(String s) { - return base64ToByteArray(s, false); - } - - /** - * Translates the specified "alternate representation" Base64 string - * into a byte array. - * - * @throw IllegalArgumentException or ArrayOutOfBoundsException - * if s is not a valid alternate representation - * Base64 string. - */ - static byte[] altBase64ToByteArray(String s) { - return base64ToByteArray(s, true); - } - - private static byte[] base64ToByteArray(String s, boolean alternate) { - byte[] alphaToInt = (alternate ? altBase64ToInt : base64ToInt); - int sLen = s.length(); - int numGroups = sLen/4; - if (4*numGroups != sLen) - throw new IllegalArgumentException( - "String length must be a multiple of four."); - int missingBytesInLastGroup = 0; - int numFullGroups = numGroups; - if (sLen != 0) { - if (s.charAt(sLen-1) == '=') { - missingBytesInLastGroup++; - numFullGroups--; - } - if (s.charAt(sLen-2) == '=') - missingBytesInLastGroup++; - } - byte[] result = new byte[3*numGroups - missingBytesInLastGroup]; - - // Translate all full groups from base64 to byte array elements - int inCursor = 0, outCursor = 0; - for (int i=0; i> 4)); - result[outCursor++] = (byte) ((ch1 << 4) | (ch2 >> 2)); - result[outCursor++] = (byte) ((ch2 << 6) | ch3); - } - - // Translate partial group, if present - if (missingBytesInLastGroup != 0) { - int ch0 = base64toInt(s.charAt(inCursor++), alphaToInt); - int ch1 = base64toInt(s.charAt(inCursor++), alphaToInt); - result[outCursor++] = (byte) ((ch0 << 2) | (ch1 >> 4)); - - if (missingBytesInLastGroup == 1) { - int ch2 = base64toInt(s.charAt(inCursor++), alphaToInt); - result[outCursor++] = (byte) ((ch1 << 4) | (ch2 >> 2)); - } - } - // assert inCursor == s.length()-missingBytesInLastGroup; - // assert outCursor == result.length; - return result; - } - - /** - * Translates the specified character, which is assumed to be in the - * "Base 64 Alphabet" into its equivalent 6-bit positive integer. - * - * @throw IllegalArgumentException or ArrayOutOfBoundsException if - * c is not in the Base64 Alphabet. - */ - private static int base64toInt(char c, byte[] alphaToInt) { - int result = alphaToInt[c]; - if (result < 0) - throw new IllegalArgumentException("Illegal character " + c); - return result; - } - - /** - * This array is a lookup table that translates unicode characters - * drawn from the "Base64 Alphabet" (as specified in Table 1 of RFC 2045) - * into their 6-bit positive integer equivalents. Characters that - * are not in the Base64 alphabet but fall within the bounds of the - * array are translated to -1. - */ - private static final byte base64ToInt[] = { - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, 62, -1, -1, -1, 63, 52, 53, 54, - 55, 56, 57, 58, 59, 60, 61, -1, -1, -1, -1, -1, -1, -1, 0, 1, 2, 3, 4, - 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, - 24, 25, -1, -1, -1, -1, -1, -1, 26, 27, 28, 29, 30, 31, 32, 33, 34, - 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51 - }; - - /** - * This array is the analogue of base64ToInt, but for the nonstandard - * variant that avoids the use of uppercase alphabetic characters. - */ - private static final byte altBase64ToInt[] = { - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 0, 1, - 2, 3, 4, 5, 6, 7, 8, -1, 62, 9, 10, 11, -1 , 52, 53, 54, 55, 56, 57, - 58, 59, 60, 61, 12, 13, 14, -1, 15, 63, 16, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, 17, -1, 18, 19, 21, 20, 26, 27, 28, 29, 30, 31, 32, 33, - 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, - 51, 22, 23, 24, 25 - }; - - public static void main(String args[]) { - int numRuns = Integer.parseInt(args[0]); - int numBytes = Integer.parseInt(args[1]); - java.util.Random rnd = new java.util.Random(); - for (int i=0; i