1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/src/share/jaxws_classes/com/sun/xml/internal/messaging/saaj/packaging/mime/util/QDecoderStream.java Wed Apr 27 01:27:09 2016 +0800 1.3 @@ -0,0 +1,84 @@ 1.4 +/* 1.5 + * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. 1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 1.7 + * 1.8 + * This code is free software; you can redistribute it and/or modify it 1.9 + * under the terms of the GNU General Public License version 2 only, as 1.10 + * published by the Free Software Foundation. Oracle designates this 1.11 + * particular file as subject to the "Classpath" exception as provided 1.12 + * by Oracle in the LICENSE file that accompanied this code. 1.13 + * 1.14 + * This code is distributed in the hope that it will be useful, but WITHOUT 1.15 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 1.16 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 1.17 + * version 2 for more details (a copy is included in the LICENSE file that 1.18 + * accompanied this code). 1.19 + * 1.20 + * You should have received a copy of the GNU General Public License version 1.21 + * 2 along with this work; if not, write to the Free Software Foundation, 1.22 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 1.23 + * 1.24 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 1.25 + * or visit www.oracle.com if you need additional information or have any 1.26 + * questions. 1.27 + */ 1.28 + 1.29 +/* 1.30 + * @(#)QDecoderStream.java 1.5 02/03/27 1.31 + */ 1.32 + 1.33 + 1.34 + 1.35 +package com.sun.xml.internal.messaging.saaj.packaging.mime.util; 1.36 + 1.37 +import java.io.IOException; 1.38 +import java.io.InputStream; 1.39 + 1.40 +/** 1.41 + * This class implements a Q Decoder as defined in RFC 2047 1.42 + * for decoding MIME headers. It subclasses the QPDecoderStream class. 1.43 + * 1.44 + * @author John Mani 1.45 + */ 1.46 + 1.47 +public class QDecoderStream extends QPDecoderStream { 1.48 + 1.49 + /** 1.50 + * Create a Q-decoder that decodes the specified input stream. 1.51 + * @param in the input stream 1.52 + */ 1.53 + public QDecoderStream(InputStream in) { 1.54 + super(in); 1.55 + } 1.56 + 1.57 + /** 1.58 + * Read the next decoded byte from this input stream. The byte 1.59 + * is returned as an <code>int</code> in the range <code>0</code> 1.60 + * to <code>255</code>. If no byte is available because the end of 1.61 + * the stream has been reached, the value <code>-1</code> is returned. 1.62 + * This method blocks until input data is available, the end of the 1.63 + * stream is detected, or an exception is thrown. 1.64 + * 1.65 + * @return the next byte of data, or <code>-1</code> if the end of the 1.66 + * stream is reached. 1.67 + * @exception IOException if an I/O error occurs. 1.68 + */ 1.69 + public int read() throws IOException { 1.70 + int c = in.read(); 1.71 + 1.72 + if (c == '_') // Return '_' as ' ' 1.73 + return ' '; 1.74 + else if (c == '=') { 1.75 + // QP Encoded atom. Get the next two bytes .. 1.76 + ba[0] = (byte)in.read(); 1.77 + ba[1] = (byte)in.read(); 1.78 + // .. and decode them 1.79 + try { 1.80 + return ASCIIUtility.parseInt(ba, 0, 2, 16); 1.81 + } catch (NumberFormatException nex) { 1.82 + throw new IOException("Error in QP stream " + nex.getMessage()); 1.83 + } 1.84 + } else 1.85 + return c; 1.86 + } 1.87 +}