Tue, 06 Mar 2012 16:09:35 -0800
7150322: Stop using drop source bundles in jaxws
Reviewed-by: darcy, ohrstrom
ohair@286 | 1 | /* |
ohair@286 | 2 | * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. |
ohair@286 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
ohair@286 | 4 | * |
ohair@286 | 5 | * This code is free software; you can redistribute it and/or modify it |
ohair@286 | 6 | * under the terms of the GNU General Public License version 2 only, as |
ohair@286 | 7 | * published by the Free Software Foundation. Oracle designates this |
ohair@286 | 8 | * particular file as subject to the "Classpath" exception as provided |
ohair@286 | 9 | * by Oracle in the LICENSE file that accompanied this code. |
ohair@286 | 10 | * |
ohair@286 | 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
ohair@286 | 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
ohair@286 | 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
ohair@286 | 14 | * version 2 for more details (a copy is included in the LICENSE file that |
ohair@286 | 15 | * accompanied this code). |
ohair@286 | 16 | * |
ohair@286 | 17 | * You should have received a copy of the GNU General Public License version |
ohair@286 | 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
ohair@286 | 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
ohair@286 | 20 | * |
ohair@286 | 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
ohair@286 | 22 | * or visit www.oracle.com if you need additional information or have any |
ohair@286 | 23 | * questions. |
ohair@286 | 24 | */ |
ohair@286 | 25 | |
ohair@286 | 26 | /* |
ohair@286 | 27 | * @(#)BASE64EncoderStream.java 1.6 02/03/27 |
ohair@286 | 28 | */ |
ohair@286 | 29 | |
ohair@286 | 30 | |
ohair@286 | 31 | |
ohair@286 | 32 | package com.sun.xml.internal.messaging.saaj.packaging.mime.util; |
ohair@286 | 33 | |
ohair@286 | 34 | import java.io.*; |
ohair@286 | 35 | |
ohair@286 | 36 | /** |
ohair@286 | 37 | * This class implements a BASE64 Encoder. It is implemented as |
ohair@286 | 38 | * a FilterOutputStream, so one can just wrap this class around |
ohair@286 | 39 | * any output stream and write bytes into this filter. The Encoding |
ohair@286 | 40 | * is done as the bytes are written out. |
ohair@286 | 41 | * |
ohair@286 | 42 | * @author John Mani |
ohair@286 | 43 | * @author Bill Shannon |
ohair@286 | 44 | */ |
ohair@286 | 45 | |
ohair@286 | 46 | public class BASE64EncoderStream extends FilterOutputStream { |
ohair@286 | 47 | private byte[] buffer; // cache of bytes that are yet to be encoded |
ohair@286 | 48 | private int bufsize = 0; // size of the cache |
ohair@286 | 49 | private int count = 0; // number of bytes that have been output |
ohair@286 | 50 | private int bytesPerLine; // number of bytes per line |
ohair@286 | 51 | |
ohair@286 | 52 | /** |
ohair@286 | 53 | * Create a BASE64 encoder that encodes the specified input stream |
ohair@286 | 54 | * @param out the output stream |
ohair@286 | 55 | * @param bytesPerLine number of bytes per line. The encoder inserts |
ohair@286 | 56 | * a CRLF sequence after the specified number of bytes |
ohair@286 | 57 | */ |
ohair@286 | 58 | public BASE64EncoderStream(OutputStream out, int bytesPerLine) { |
ohair@286 | 59 | super(out); |
ohair@286 | 60 | buffer = new byte[3]; |
ohair@286 | 61 | this.bytesPerLine = bytesPerLine; |
ohair@286 | 62 | } |
ohair@286 | 63 | |
ohair@286 | 64 | /** |
ohair@286 | 65 | * Create a BASE64 encoder that encodes the specified input stream. |
ohair@286 | 66 | * Inserts the CRLF sequence after outputting 76 bytes. |
ohair@286 | 67 | * @param out the output stream |
ohair@286 | 68 | */ |
ohair@286 | 69 | public BASE64EncoderStream(OutputStream out) { |
ohair@286 | 70 | this(out, 76); |
ohair@286 | 71 | } |
ohair@286 | 72 | |
ohair@286 | 73 | /** |
ohair@286 | 74 | * Encodes <code>len</code> bytes from the specified |
ohair@286 | 75 | * <code>byte</code> array starting at offset <code>off</code> to |
ohair@286 | 76 | * this output stream. |
ohair@286 | 77 | * |
ohair@286 | 78 | * @param b the data. |
ohair@286 | 79 | * @param off the start offset in the data. |
ohair@286 | 80 | * @param len the number of bytes to write. |
ohair@286 | 81 | * @exception IOException if an I/O error occurs. |
ohair@286 | 82 | */ |
ohair@286 | 83 | public void write(byte[] b, int off, int len) throws IOException { |
ohair@286 | 84 | for (int i = 0; i < len; i++) |
ohair@286 | 85 | write(b[off + i]); |
ohair@286 | 86 | } |
ohair@286 | 87 | |
ohair@286 | 88 | /** |
ohair@286 | 89 | * Encodes <code>b.length</code> bytes to this output stream. |
ohair@286 | 90 | * @param b the data to be written. |
ohair@286 | 91 | * @exception IOException if an I/O error occurs. |
ohair@286 | 92 | */ |
ohair@286 | 93 | public void write(byte[] b) throws IOException { |
ohair@286 | 94 | write(b, 0, b.length); |
ohair@286 | 95 | } |
ohair@286 | 96 | |
ohair@286 | 97 | /** |
ohair@286 | 98 | * Encodes the specified <code>byte</code> to this output stream. |
ohair@286 | 99 | * @param c the <code>byte</code>. |
ohair@286 | 100 | * @exception IOException if an I/O error occurs. |
ohair@286 | 101 | */ |
ohair@286 | 102 | public void write(int c) throws IOException { |
ohair@286 | 103 | buffer[bufsize++] = (byte)c; |
ohair@286 | 104 | if (bufsize == 3) { // Encoding unit = 3 bytes |
ohair@286 | 105 | encode(); |
ohair@286 | 106 | bufsize = 0; |
ohair@286 | 107 | } |
ohair@286 | 108 | } |
ohair@286 | 109 | |
ohair@286 | 110 | /** |
ohair@286 | 111 | * Flushes this output stream and forces any buffered output bytes |
ohair@286 | 112 | * to be encoded out to the stream. |
ohair@286 | 113 | * @exception IOException if an I/O error occurs. |
ohair@286 | 114 | */ |
ohair@286 | 115 | public void flush() throws IOException { |
ohair@286 | 116 | if (bufsize > 0) { // If there's unencoded characters in the buffer .. |
ohair@286 | 117 | encode(); // .. encode them |
ohair@286 | 118 | bufsize = 0; |
ohair@286 | 119 | } |
ohair@286 | 120 | out.flush(); |
ohair@286 | 121 | } |
ohair@286 | 122 | |
ohair@286 | 123 | /** |
ohair@286 | 124 | * Forces any buffered output bytes to be encoded out to the stream |
ohair@286 | 125 | * and closes this output stream |
ohair@286 | 126 | */ |
ohair@286 | 127 | public void close() throws IOException { |
ohair@286 | 128 | flush(); |
ohair@286 | 129 | out.close(); |
ohair@286 | 130 | } |
ohair@286 | 131 | |
ohair@286 | 132 | /** This array maps the characters to their 6 bit values */ |
ohair@286 | 133 | private final static char pem_array[] = { |
ohair@286 | 134 | 'A','B','C','D','E','F','G','H', // 0 |
ohair@286 | 135 | 'I','J','K','L','M','N','O','P', // 1 |
ohair@286 | 136 | 'Q','R','S','T','U','V','W','X', // 2 |
ohair@286 | 137 | 'Y','Z','a','b','c','d','e','f', // 3 |
ohair@286 | 138 | 'g','h','i','j','k','l','m','n', // 4 |
ohair@286 | 139 | 'o','p','q','r','s','t','u','v', // 5 |
ohair@286 | 140 | 'w','x','y','z','0','1','2','3', // 6 |
ohair@286 | 141 | '4','5','6','7','8','9','+','/' // 7 |
ohair@286 | 142 | }; |
ohair@286 | 143 | |
ohair@286 | 144 | private void encode() throws IOException { |
ohair@286 | 145 | // If writing out this encoded unit will cause overflow, |
ohair@286 | 146 | // start a new line. |
ohair@286 | 147 | if (count + 4 > bytesPerLine) { |
ohair@286 | 148 | out.write('\r'); |
ohair@286 | 149 | out.write('\n'); |
ohair@286 | 150 | count = 0; |
ohair@286 | 151 | } |
ohair@286 | 152 | |
ohair@286 | 153 | byte a, b, c; |
ohair@286 | 154 | if (bufsize == 1) { |
ohair@286 | 155 | a = buffer[0]; |
ohair@286 | 156 | b = 0; |
ohair@286 | 157 | c = 0; |
ohair@286 | 158 | out.write(pem_array[(a >>> 2) & 0x3F]); |
ohair@286 | 159 | out.write(pem_array[((a << 4) & 0x30) + ((b >>> 4) & 0xf)]); |
ohair@286 | 160 | out.write('='); // pad character |
ohair@286 | 161 | out.write('='); // pad character |
ohair@286 | 162 | } else if (bufsize == 2) { |
ohair@286 | 163 | a = buffer[0]; |
ohair@286 | 164 | b = buffer[1]; |
ohair@286 | 165 | c = 0; |
ohair@286 | 166 | out.write(pem_array[(a >>> 2) & 0x3F]); |
ohair@286 | 167 | out.write(pem_array[((a << 4) & 0x30) + ((b >>> 4) & 0xf)]); |
ohair@286 | 168 | out.write(pem_array[((b << 2) & 0x3c) + ((c >>> 6) & 0x3)]); |
ohair@286 | 169 | out.write('='); // pad character |
ohair@286 | 170 | } else { |
ohair@286 | 171 | a = buffer[0]; |
ohair@286 | 172 | b = buffer[1]; |
ohair@286 | 173 | c = buffer[2]; |
ohair@286 | 174 | out.write(pem_array[(a >>> 2) & 0x3F]); |
ohair@286 | 175 | out.write(pem_array[((a << 4) & 0x30) + ((b >>> 4) & 0xf)]); |
ohair@286 | 176 | out.write(pem_array[((b << 2) & 0x3c) + ((c >>> 6) & 0x3)]); |
ohair@286 | 177 | out.write(pem_array[c & 0x3F]); |
ohair@286 | 178 | } |
ohair@286 | 179 | |
ohair@286 | 180 | // increment count |
ohair@286 | 181 | count += 4; |
ohair@286 | 182 | } |
ohair@286 | 183 | |
ohair@286 | 184 | /** |
ohair@286 | 185 | * Base64 encode a byte array. No line breaks are inserted. |
ohair@286 | 186 | * This method is suitable for short strings, such as those |
ohair@286 | 187 | * in the IMAP AUTHENTICATE protocol, but not to encode the |
ohair@286 | 188 | * entire content of a MIME part. |
ohair@286 | 189 | */ |
ohair@286 | 190 | public static byte[] encode(byte[] inbuf) { |
ohair@286 | 191 | if (inbuf.length == 0) |
ohair@286 | 192 | return inbuf; |
ohair@286 | 193 | byte[] outbuf = new byte[((inbuf.length + 2) / 3) * 4]; |
ohair@286 | 194 | int inpos = 0, outpos = 0; |
ohair@286 | 195 | int size = inbuf.length; |
ohair@286 | 196 | while (size > 0) { |
ohair@286 | 197 | byte a, b, c; |
ohair@286 | 198 | if (size == 1) { |
ohair@286 | 199 | a = inbuf[inpos++]; |
ohair@286 | 200 | b = 0; |
ohair@286 | 201 | c = 0; |
ohair@286 | 202 | outbuf[outpos++] = (byte)pem_array[(a >>> 2) & 0x3F]; |
ohair@286 | 203 | outbuf[outpos++] = |
ohair@286 | 204 | (byte)pem_array[((a << 4) & 0x30) + ((b >>> 4) & 0xf)]; |
ohair@286 | 205 | outbuf[outpos++] = (byte)'='; // pad character |
ohair@286 | 206 | outbuf[outpos++] = (byte)'='; // pad character |
ohair@286 | 207 | } else if (size == 2) { |
ohair@286 | 208 | a = inbuf[inpos++]; |
ohair@286 | 209 | b = inbuf[inpos++]; |
ohair@286 | 210 | c = 0; |
ohair@286 | 211 | outbuf[outpos++] = (byte)pem_array[(a >>> 2) & 0x3F]; |
ohair@286 | 212 | outbuf[outpos++] = |
ohair@286 | 213 | (byte)pem_array[((a << 4) & 0x30) + ((b >>> 4) & 0xf)]; |
ohair@286 | 214 | outbuf[outpos++] = |
ohair@286 | 215 | (byte)pem_array[((b << 2) & 0x3c) + ((c >>> 6) & 0x3)]; |
ohair@286 | 216 | outbuf[outpos++] = (byte)'='; // pad character |
ohair@286 | 217 | } else { |
ohair@286 | 218 | a = inbuf[inpos++]; |
ohair@286 | 219 | b = inbuf[inpos++]; |
ohair@286 | 220 | c = inbuf[inpos++]; |
ohair@286 | 221 | outbuf[outpos++] = (byte)pem_array[(a >>> 2) & 0x3F]; |
ohair@286 | 222 | outbuf[outpos++] = |
ohair@286 | 223 | (byte)pem_array[((a << 4) & 0x30) + ((b >>> 4) & 0xf)]; |
ohair@286 | 224 | outbuf[outpos++] = |
ohair@286 | 225 | (byte)pem_array[((b << 2) & 0x3c) + ((c >>> 6) & 0x3)]; |
ohair@286 | 226 | outbuf[outpos++] = (byte)pem_array[c & 0x3F]; |
ohair@286 | 227 | } |
ohair@286 | 228 | size -= 3; |
ohair@286 | 229 | } |
ohair@286 | 230 | return outbuf; |
ohair@286 | 231 | } |
ohair@286 | 232 | |
ohair@286 | 233 | /*** begin TEST program |
ohair@286 | 234 | public static void main(String argv[]) throws Exception { |
ohair@286 | 235 | FileInputStream infile = new FileInputStream(argv[0]); |
ohair@286 | 236 | BASE64EncoderStream encoder = new BASE64EncoderStream(System.out); |
ohair@286 | 237 | int c; |
ohair@286 | 238 | |
ohair@286 | 239 | while ((c = infile.read()) != -1) |
ohair@286 | 240 | encoder.write(c); |
ohair@286 | 241 | encoder.close(); |
ohair@286 | 242 | } |
ohair@286 | 243 | *** end TEST program **/ |
ohair@286 | 244 | } |