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/QDecoderStream.java Mon Jan 19 09:32:40 2015 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,84 +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. - */ - -/* - * @(#)QDecoderStream.java 1.5 02/03/27 - */ - - - -package com.sun.xml.internal.messaging.saaj.packaging.mime.util; - -import java.io.IOException; -import java.io.InputStream; - -/** - * This class implements a Q Decoder as defined in RFC 2047 - * for decoding MIME headers. It subclasses the QPDecoderStream class. - * - * @author John Mani - */ - -public class QDecoderStream extends QPDecoderStream { - - /** - * Create a Q-decoder that decodes the specified input stream. - * @param in the input stream - */ - public QDecoderStream(InputStream in) { - super(in); - } - - /** - * 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 { - int c = in.read(); - - if (c == '_') // Return '_' as ' ' - return ' '; - else if (c == '=') { - // QP Encoded atom. Get the next two bytes .. - ba[0] = (byte)in.read(); - ba[1] = (byte)in.read(); - // .. and decode them - try { - return ASCIIUtility.parseInt(ba, 0, 2, 16); - } catch (NumberFormatException nex) { - throw new IOException("Error in QP stream " + nex.getMessage()); - } - } else - return c; - } -}