jaxws/src/java.xml.soap/share/classes/com/sun/xml/internal/messaging/saaj/packaging/mime/util/QPDecoderStream.java
--- a/jaxws/src/java.xml.soap/share/classes/com/sun/xml/internal/messaging/saaj/packaging/mime/util/QPDecoderStream.java Thu Jan 15 11:30:13 2015 +0100
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,198 +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.
- */
-
-/*
- * @(#)QPDecoderStream.java 1.9 02/04/02
- */
-
-
-
-package com.sun.xml.internal.messaging.saaj.packaging.mime.util;
-
-import java.io.*;
-
-/**
- * This class implements a QP Decoder. It is implemented as
- * a FilterInputStream, so one can just wrap this class around
- * any input stream and read bytes from this filter. The decoding
- * is done as the bytes are read out.
- *
- * @author John Mani
- */
-
-public class QPDecoderStream extends FilterInputStream {
- protected byte[] ba = new byte[2];
- protected int spaces = 0;
-
- /**
- * Create a Quoted Printable decoder that decodes the specified
- * input stream.
- * @param in the input stream
- */
- public QPDecoderStream(InputStream in) {
- super(new PushbackInputStream(in, 2)); // pushback of size=2
- }
-
- /**
- * Read the next decoded byte from this input stream. The byte
- * is returned as an <code>int</code> in the range <code>0</code>
- * to <code>255</code>. If no byte is available because the end of
- * the stream has been reached, the value <code>-1</code> is returned.
- * This method blocks until input data is available, the end of the
- * stream is detected, or an exception is thrown.
- *
- * @return the next byte of data, or <code>-1</code> if the end of the
- * stream is reached.
- * @exception IOException if an I/O error occurs.
- */
- public int read() throws IOException {
- if (spaces > 0) {
- // We have cached space characters, return one
- spaces--;
- return ' ';
- }
-
- int c = in.read();
-
- if (c == ' ') {
- // Got space, keep reading till we get a non-space char
- while ((c = in.read()) == ' ')
- spaces++;
-
- if (c == '\r' || c == '\n' || c == -1)
- // If the non-space char is CR/LF/EOF, the spaces we got
- // so far is junk introduced during transport. Junk 'em.
- spaces = 0;
- else {
- // The non-space char is NOT CR/LF, the spaces are valid.
- ((PushbackInputStream)in).unread(c);
- c = ' ';
- }
- return c; // return either <SPACE> or <CR/LF>
- }
- else if (c == '=') {
- // QP Encoded atom. Decode the next two bytes
- int a = in.read();
-
- if (a == '\n') {
- /* Hmm ... not really confirming QP encoding, but lets
- * allow this as a LF terminated encoded line .. and
- * consider this a soft linebreak and recurse to fetch
- * the next char.
- */
- return read();
- } else if (a == '\r') {
- // Expecting LF. This forms a soft linebreak to be ignored.
- int b = in.read();
- if (b != '\n')
- /* Not really confirming QP encoding, but
- * lets allow this as well.
- */
- ((PushbackInputStream)in).unread(b);
- return read();
- } else if (a == -1) {
- // Not valid QP encoding, but we be nice and tolerant here !
- return -1;
- } else {
- ba[0] = (byte)a;
- ba[1] = (byte)in.read();
- try {
- return ASCIIUtility.parseInt(ba, 0, 2, 16);
- } catch (NumberFormatException nex) {
- /*
- System.err.println(
- "Illegal characters in QP encoded stream: " +
- ASCIIUtility.toString(ba, 0, 2)
- );
- */
-
- ((PushbackInputStream)in).unread(ba);
- return c;
- }
- }
- }
- return c;
- }
-
- /**
- * Reads up to <code>len</code> decoded bytes of data from this input stream
- * into an array of bytes. This method blocks until some input is
- * available.
- * <p>
- *
- * @param buf the buffer into which the data is read.
- * @param off the start offset of the data.
- * @param len the maximum number of bytes read.
- * @return the total number of bytes read into the buffer, or
- * <code>-1</code> if there is no more data because the end of
- * the stream has been reached.
- * @exception IOException if an I/O error occurs.
- */
- public int read(byte[] buf, int off, int len) throws IOException {
- int i, c;
- for (i = 0; i < len; i++) {
- if ((c = read()) == -1) {
- if (i == 0) // At end of stream, so we should
- i = -1; // return -1 , NOT 0.
- break;
- }
- buf[off+i] = (byte)c;
- }
- return i;
- }
-
- /**
- * Tests if this input stream supports marks. Currently this class
- * does not support marks
- */
- public boolean markSupported() {
- return false;
- }
-
- /**
- * Returns the number of bytes that can be read from this input
- * stream without blocking. The QP algorithm does not permit
- * a priori knowledge of the number of bytes after decoding, so
- * this method just invokes the <code>available</code> method
- * of the original input stream.
- */
- public int available() throws IOException {
- // This is bogus ! We don't really know how much
- // bytes are available *after* decoding
- return in.available();
- }
-
- /**** begin TEST program
- public static void main(String argv[]) throws Exception {
- FileInputStream infile = new FileInputStream(argv[0]);
- QPDecoderStream decoder = new QPDecoderStream(infile);
- int c;
-
- while ((c = decoder.read()) != -1)
- System.out.print((char)c);
- System.out.println();
- }
- *** end TEST program ****/
-}