diff options
Diffstat (limited to 'framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/util/Base64Converter.java')
-rw-r--r-- | framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/util/Base64Converter.java | 124 |
1 files changed, 0 insertions, 124 deletions
diff --git a/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/util/Base64Converter.java b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/util/Base64Converter.java deleted file mode 100644 index 5d60a145..00000000 --- a/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/util/Base64Converter.java +++ /dev/null @@ -1,124 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one or more - * contributor license agreements. See the NOTICE file distributed with - * this work for additional information regarding copyright ownership. - * The ASF licenses this file to You 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 org.apache.tools.ant.util; - -/** - * BASE 64 encoding of a String or an array of bytes. - * - * Based on RFC 1421. - * - **/ -public class Base64Converter { - - private static final int BYTE = 8; - private static final int WORD = 16; - private static final int BYTE_MASK = 0xFF; - private static final int POS_0_MASK = 0x0000003F; - private static final int POS_1_MASK = 0x00000FC0; - private static final int POS_1_SHIFT = 6; - private static final int POS_2_MASK = 0x0003F000; - private static final int POS_2_SHIFT = 12; - private static final int POS_3_MASK = 0x00FC0000; - private static final int POS_3_SHIFT = 18; - - - private static final char[] ALPHABET = { - 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', // 0 to 7 - 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', // 8 to 15 - 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', // 16 to 23 - 'Y', 'Z', 'a', 'b', 'c', 'd', 'e', 'f', // 24 to 31 - 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', // 32 to 39 - 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', // 40 to 47 - 'w', 'x', 'y', 'z', '0', '1', '2', '3', // 48 to 55 - '4', '5', '6', '7', '8', '9', '+', '/'}; // 56 to 63 - - // CheckStyle:ConstantNameCheck OFF - bc - /** Provided for BC purposes */ - public static final char[] alphabet = ALPHABET; - // CheckStyle:ConstantNameCheck ON - - - /** - * Encode a string into base64 encoding. - * @param s the string to encode. - * @return the encoded string. - */ - public String encode(String s) { - return encode(s.getBytes()); - } - - /** - * Encode a byte array into base64 encoding. - * @param octetString the byte array to encode. - * @return the encoded string. - */ - public String encode(byte[] octetString) { - int bits24; - int bits6; - - // CheckStyle:MagicNumber OFF - char[] out = new char[((octetString.length - 1) / 3 + 1) * 4]; - // CheckStyle:MagicNumber ON - int outIndex = 0; - int i = 0; - - // CheckStyle:MagicNumber OFF - while ((i + 3) <= octetString.length) { - // CheckStyle:MagicNumber ON - // store the octets - bits24 = (octetString[i++] & BYTE_MASK) << WORD; - bits24 |= (octetString[i++] & BYTE_MASK) << BYTE; - bits24 |= octetString[i++] & BYTE_MASK; - - bits6 = (bits24 & POS_3_MASK) >> POS_3_SHIFT; - out[outIndex++] = ALPHABET[bits6]; - bits6 = (bits24 & POS_2_MASK) >> POS_2_SHIFT; - out[outIndex++] = ALPHABET[bits6]; - bits6 = (bits24 & POS_1_MASK) >> POS_1_SHIFT; - out[outIndex++] = ALPHABET[bits6]; - bits6 = (bits24 & POS_0_MASK); - out[outIndex++] = ALPHABET[bits6]; - } - if (octetString.length - i == 2) { - // store the octets - bits24 = (octetString[i] & BYTE_MASK) << WORD; - bits24 |= (octetString[i + 1] & BYTE_MASK) << BYTE; - bits6 = (bits24 & POS_3_MASK) >> POS_3_SHIFT; - out[outIndex++] = ALPHABET[bits6]; - bits6 = (bits24 & POS_2_MASK) >> POS_2_SHIFT; - out[outIndex++] = ALPHABET[bits6]; - bits6 = (bits24 & POS_1_MASK) >> POS_1_SHIFT; - out[outIndex++] = ALPHABET[bits6]; - - // padding - out[outIndex++] = '='; - } else if (octetString.length - i == 1) { - // store the octets - bits24 = (octetString[i] & BYTE_MASK) << WORD; - bits6 = (bits24 & POS_3_MASK) >> POS_3_SHIFT; - out[outIndex++] = ALPHABET[bits6]; - bits6 = (bits24 & POS_2_MASK) >> POS_2_SHIFT; - out[outIndex++] = ALPHABET[bits6]; - - // padding - out[outIndex++] = '='; - out[outIndex++] = '='; - } - return new String(out); - } -} |