jaxws/src/java.xml.soap/share/classes/com/sun/xml/internal/messaging/saaj/packaging/mime/util/BASE64EncoderStream.java
changeset 28644 a70f5680dbab
parent 28643 a665e19ca007
parent 28642 a42fefc69922
child 28647 f44908f03772
--- a/jaxws/src/java.xml.soap/share/classes/com/sun/xml/internal/messaging/saaj/packaging/mime/util/BASE64EncoderStream.java	Mon Jan 19 09:32:40 2015 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,244 +0,0 @@
-/*
- * Copyright (c) 1997, 2013, 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.
- */
-
-/*
- * @(#)BASE64EncoderStream.java       1.6 02/03/27
- */
-
-
-
-package com.sun.xml.internal.messaging.saaj.packaging.mime.util;
-
-import java.io.*;
-
-/**
- * This class implements a BASE64 Encoder. It is implemented as
- * a FilterOutputStream, so one can just wrap this class around
- * any output stream and write bytes into this filter. The Encoding
- * is done as the bytes are written out.
- *
- * @author John Mani
- * @author Bill Shannon
- */
-
-public class BASE64EncoderStream extends FilterOutputStream {
-    private byte[] buffer;      // cache of bytes that are yet to be encoded
-    private int bufsize = 0;    // size of the cache
-    private int count = 0;      // number of bytes that have been output
-    private int bytesPerLine;   // number of bytes per line
-
-    /**
-     * Create a BASE64 encoder that encodes the specified input stream
-     * @param out        the output stream
-     * @param bytesPerLine  number of bytes per line. The encoder inserts
-     *                   a CRLF sequence after the specified number of bytes
-     */
-    public BASE64EncoderStream(OutputStream out, int bytesPerLine) {
-        super(out);
-        buffer = new byte[3];
-        this.bytesPerLine = bytesPerLine;
-    }
-
-    /**
-     * Create a BASE64 encoder that encodes the specified input stream.
-     * Inserts the CRLF sequence after outputting 76 bytes.
-     * @param out        the output stream
-     */
-    public BASE64EncoderStream(OutputStream out) {
-        this(out, 76);
-    }
-
-    /**
-     * Encodes <code>len</code> bytes from the specified
-     * <code>byte</code> array starting at offset <code>off</code> to
-     * this output stream.
-     *
-     * @param      b     the data.
-     * @param      off   the start offset in the data.
-     * @param      len   the number of bytes to write.
-     * @exception  IOException  if an I/O error occurs.
-     */
-    public void write(byte[] b, int off, int len) throws IOException {
-        for (int i = 0; i < len; i++)
-            write(b[off + i]);
-    }
-
-    /**
-     * Encodes <code>b.length</code> bytes to this output stream.
-     * @param      b   the data to be written.
-     * @exception  IOException  if an I/O error occurs.
-     */
-    public void write(byte[] b) throws IOException {
-        write(b, 0, b.length);
-    }
-
-    /**
-     * Encodes the specified <code>byte</code> to this output stream.
-     * @param      c   the <code>byte</code>.
-     * @exception  IOException  if an I/O error occurs.
-     */
-    public void write(int c) throws IOException {
-        buffer[bufsize++] = (byte)c;
-        if (bufsize == 3) { // Encoding unit = 3 bytes
-            encode();
-            bufsize = 0;
-        }
-    }
-
-    /**
-     * Flushes this output stream and forces any buffered output bytes
-     * to be encoded out to the stream.
-     * @exception  IOException  if an I/O error occurs.
-     */
-    public void flush() throws IOException {
-        if (bufsize > 0) { // If there's unencoded characters in the buffer ..
-            encode();      // .. encode them
-            bufsize = 0;
-        }
-        out.flush();
-    }
-
-    /**
-     * Forces any buffered output bytes to be encoded out to the stream
-     * and closes this output stream
-     */
-    public void close() throws IOException {
-        flush();
-        out.close();
-    }
-
-    /** This array maps the characters to their 6 bit values */
-    private final static char pem_array[] = {
-        'A','B','C','D','E','F','G','H', // 0
-        'I','J','K','L','M','N','O','P', // 1
-        'Q','R','S','T','U','V','W','X', // 2
-        'Y','Z','a','b','c','d','e','f', // 3
-        'g','h','i','j','k','l','m','n', // 4
-        'o','p','q','r','s','t','u','v', // 5
-        'w','x','y','z','0','1','2','3', // 6
-        '4','5','6','7','8','9','+','/'  // 7
-    };
-
-    private void encode() throws IOException {
-        // If writing out this encoded unit will cause overflow,
-        // start a new line.
-        if (count + 4 > bytesPerLine) {
-            out.write('\r');
-            out.write('\n');
-            count = 0;
-        }
-
-        byte a, b, c;
-        if (bufsize == 1) {
-            a = buffer[0];
-            b = 0;
-            c = 0;
-            out.write(pem_array[(a >>> 2) & 0x3F]);
-            out.write(pem_array[((a << 4) & 0x30) + ((b >>> 4) & 0xf)]);
-            out.write('='); // pad character
-            out.write('='); // pad character
-        } else if (bufsize == 2) {
-            a = buffer[0];
-            b = buffer[1];
-            c = 0;
-            out.write(pem_array[(a >>> 2) & 0x3F]);
-            out.write(pem_array[((a << 4) & 0x30) + ((b >>> 4) & 0xf)]);
-            out.write(pem_array[((b << 2) & 0x3c) + ((c >>> 6) & 0x3)]);
-            out.write('='); // pad character
-        } else {
-            a = buffer[0];
-            b = buffer[1];
-            c = buffer[2];
-            out.write(pem_array[(a >>> 2) & 0x3F]);
-            out.write(pem_array[((a << 4) & 0x30) + ((b >>> 4) & 0xf)]);
-            out.write(pem_array[((b << 2) & 0x3c) + ((c >>> 6) & 0x3)]);
-            out.write(pem_array[c & 0x3F]);
-        }
-
-        // increment count
-        count += 4;
-    }
-
-    /**
-     * Base64 encode a byte array.  No line breaks are inserted.
-     * This method is suitable for short strings, such as those
-     * in the IMAP AUTHENTICATE protocol, but not to encode the
-     * entire content of a MIME part.
-     */
-    public static byte[] encode(byte[] inbuf) {
-        if (inbuf.length == 0)
-            return inbuf;
-        byte[] outbuf = new byte[((inbuf.length + 2) / 3) * 4];
-        int inpos = 0, outpos = 0;
-        int size = inbuf.length;
-        while (size > 0) {
-            byte a, b, c;
-            if (size == 1) {
-                a = inbuf[inpos++];
-                b = 0;
-                c = 0;
-                outbuf[outpos++] = (byte)pem_array[(a >>> 2) & 0x3F];
-                outbuf[outpos++] =
-                        (byte)pem_array[((a << 4) & 0x30) + ((b >>> 4) & 0xf)];
-                outbuf[outpos++] = (byte)'=';  // pad character
-                outbuf[outpos++] = (byte)'=';  // pad character
-            } else if (size == 2) {
-                a = inbuf[inpos++];
-                b = inbuf[inpos++];
-                c = 0;
-                outbuf[outpos++] = (byte)pem_array[(a >>> 2) & 0x3F];
-                outbuf[outpos++] =
-                        (byte)pem_array[((a << 4) & 0x30) + ((b >>> 4) & 0xf)];
-                outbuf[outpos++] =
-                        (byte)pem_array[((b << 2) & 0x3c) + ((c >>> 6) & 0x3)];
-                outbuf[outpos++] = (byte)'=';  // pad character
-            } else {
-                a = inbuf[inpos++];
-                b = inbuf[inpos++];
-                c = inbuf[inpos++];
-                outbuf[outpos++] = (byte)pem_array[(a >>> 2) & 0x3F];
-                outbuf[outpos++] =
-                        (byte)pem_array[((a << 4) & 0x30) + ((b >>> 4) & 0xf)];
-                outbuf[outpos++] =
-                        (byte)pem_array[((b << 2) & 0x3c) + ((c >>> 6) & 0x3)];
-                outbuf[outpos++] = (byte)pem_array[c & 0x3F];
-            }
-            size -= 3;
-        }
-        return outbuf;
-    }
-
-    /*** begin TEST program
-    public static void main(String argv[]) throws Exception {
-        FileInputStream infile = new FileInputStream(argv[0]);
-        BASE64EncoderStream encoder = new BASE64EncoderStream(System.out);
-        int c;
-
-        while ((c = infile.read()) != -1)
-            encoder.write(c);
-        encoder.close();
-    }
-    *** end TEST program **/
-}