jdk8-mips64-public/jaxws: src/share/jaxws_classes/com/sun/xml/internal/org/jvnet/mimepull/UUDecoderStream.java@8f2986ff0235 (annotated)

src/share/jaxws_classes/com/sun/xml/internal/org/jvnet/mimepull/UUDecoderStream.java@8f2986ff0235 (annotated)

src/share/jaxws_classes/com/sun/xml/internal/org/jvnet/mimepull/UUDecoderStream.java

Wed, 12 Jun 2013 14:47:09 +0100

author: mkos
date: Wed, 12 Jun 2013 14:47:09 +0100
changeset 384: 8f2986ff0235
parent 0: 373ffda63c9a
permissions: -rw-r--r--

8013021: Rebase 8005432 & 8003542 against the latest jdk8/jaxws
8003542: Improve processing of MTOM attachments
8005432: Update access to JAX-WS
Reviewed-by: mullan

 /*
  * Copyright (c) 1997, 2012, 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.
  */
 /* FROM mail.jar */
 package com.sun.xml.internal.org.jvnet.mimepull;
 import java.io.*;
 /**
  * This class implements a UUDecoder. 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
  * @author Bill Shannon
  */
 final class UUDecoderStream extends FilterInputStream {
     private String name;
     private int mode;
     private byte[] buffer = new byte[45]; // max decoded chars in a line = 45
     private int bufsize = 0;    // size of the cache
     private int index = 0;      // index into the cache
     private boolean gotPrefix = false;
     private boolean gotEnd = false;
     private LineInputStream lin;
     private boolean ignoreErrors;
     private boolean ignoreMissingBeginEnd;
     private String readAhead;
     /**
      * Create a UUdecoder that decodes the specified input stream.
      * The System property <code>mail.mime.uudecode.ignoreerrors</code>
      * controls whether errors in the encoded data cause an exception
      * or are ignored.  The default is false (errors cause exception).
      * The System property <code>mail.mime.uudecode.ignoremissingbeginend</code>
      * controls whether a missing begin or end line cause an exception
      * or are ignored.  The default is false (errors cause exception).
      * @param in        the input stream
      */
     public UUDecoderStream(InputStream in) {
         super(in);
         lin = new LineInputStream(in);
         // default to false
         ignoreErrors = PropUtil.getBooleanSystemProperty(
             "mail.mime.uudecode.ignoreerrors", false);
         // default to false
         ignoreMissingBeginEnd = PropUtil.getBooleanSystemProperty(
             "mail.mime.uudecode.ignoremissingbeginend", false);
     }
     /**
      * Create a UUdecoder that decodes the specified input stream.
      * @param in                the input stream
      * @param ignoreErrors      ignore errors?
      * @param ignoreMissingBeginEnd     ignore missing begin or end?
      */
     public UUDecoderStream(InputStream in, boolean ignoreErrors,
                                 boolean ignoreMissingBeginEnd) {
         super(in);
         lin = new LineInputStream(in);
         this.ignoreErrors = ignoreErrors;
         this.ignoreMissingBeginEnd = ignoreMissingBeginEnd;
     }
     /**
      * 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     next byte of data, or <code>-1</code> if the end of
      *             stream is reached.
      * @exception  IOException  if an I/O error occurs.
      * @see        java.io.FilterInputStream#in
      */
     @Override
     public int read() throws IOException {
         if (index >= bufsize) {
             readPrefix();
             if (!decode()) {
                 return -1;
             }
             index = 0; // reset index into buffer
         }
         return buffer[index++] & 0xff; // return lower byte
     }
     @Override
     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;
     }
     @Override
     public boolean markSupported() {
         return false;
     }
     @Override
     public int available() throws IOException {
          // This is only an estimate, since in.available()
          // might include CRLFs too ..
          return ((in.available() * 3)/4 + (bufsize-index));
     }
     /**
      * Get the "name" field from the prefix. This is meant to
      * be the pathname of the decoded file
      *
      * @return     name of decoded file
      * @exception  IOException  if an I/O error occurs.
      */
     public String getName() throws IOException {
         readPrefix();
         return name;
     }
     /**
      * Get the "mode" field from the prefix. This is the permission
      * mode of the source file.
      *
      * @return     permission mode of source file
      * @exception  IOException  if an I/O error occurs.
      */
     public int getMode() throws IOException {
         readPrefix();
         return mode;
     }
     /**
      * UUencoded streams start off with the line:
      *  "begin <mode> <filename>"
      * Search for this prefix and gobble it up.
      */
     private void readPrefix() throws IOException {
         if (gotPrefix) {
             return;
         }
         mode = 0666;            // defaults, overridden below
         name = "encoder.buf";   // same default used by encoder
         String line;
         for (;;) {
             // read till we get the prefix: "begin MODE FILENAME"
             line = lin.readLine(); // NOTE: readLine consumes CRLF pairs too
             if (line == null) {
                 if (!ignoreMissingBeginEnd) {
                     throw new DecodingException("UUDecoder: Missing begin");
                 }
                 // at EOF, fake it
                 gotPrefix = true;
                 gotEnd = true;
                 break;
             }
             if (line.regionMatches(false, 0, "begin", 0, 5)) {
                 try {
                     mode = Integer.parseInt(line.substring(6,9));
                 } catch (NumberFormatException ex) {
                     if (!ignoreErrors) {
                         throw new DecodingException(
                                 "UUDecoder: Error in mode: " + ex.toString());
                     }
                 }
                 if (line.length() > 10) {
                     name = line.substring(10);
                 } else {
                     if (!ignoreErrors) {
                         throw new DecodingException(
                                 "UUDecoder: Missing name: " + line);
                     }
                 }
                 gotPrefix = true;
                 break;
             } else if (ignoreMissingBeginEnd && line.length() != 0) {
                 int count = line.charAt(0);
                 count = (count - ' ') & 0x3f;
                 int need = ((count * 8)+5)/6;
                 if (need == 0 || line.length() >= need + 1) {
                     /*
                      * Looks like a legitimate encoded line.
                      * Pretend we saw the "begin" line and
                      * save this line for later processing in
                      * decode().
                      */
                     readAhead = line;
                     gotPrefix = true;   // fake it
                     break;
                 }
             }
         }
     }
     private boolean decode() throws IOException {
         if (gotEnd) {
             return false;
         }
         bufsize = 0;
         int count = 0;
         String line;
         for (;;) {
             /*
              * If we ignored a missing "begin", the first line
              * will be saved in readAhead.
              */
             if (readAhead != null) {
                 line = readAhead;
                 readAhead = null;
             } else {
                 line = lin.readLine();
             }
             /*
              * Improperly encoded data sometimes omits the zero length
              * line that starts with a space character, we detect the
              * following "end" line here.
              */
             if (line == null) {
                 if (!ignoreMissingBeginEnd) {
                     throw new DecodingException(
                                         "UUDecoder: Missing end at EOF");
                 }
                 gotEnd = true;
                 return false;
             }
             if (line.equals("end")) {
                 gotEnd = true;
                 return false;
             }
             if (line.length() == 0) {
                 continue;
             }
             count = line.charAt(0);
             if (count < ' ') {
                 if (!ignoreErrors) {
                     throw new DecodingException(
                                         "UUDecoder: Buffer format error");
                 }
                 continue;
             }
             /*
              * The first character in a line is the number of original (not
              *  the encoded atoms) characters in the line. Note that all the
              *  code below has to handle the <SPACE> character that indicates
              *  end of encoded stream.
              */
             count = (count - ' ') & 0x3f;
             if (count == 0) {
                 line = lin.readLine();
                 if (line == null || !line.equals("end")) {
                     if (!ignoreMissingBeginEnd) {
                         throw new DecodingException(
                                 "UUDecoder: Missing End after count 0 line");
                     }
                 }
                 gotEnd = true;
                 return false;
             }
             int need = ((count * 8)+5)/6;
 //System.out.println("count " + count + ", need " + need + ", len " + line.length());
             if (line.length() < need + 1) {
                 if (!ignoreErrors) {
                     throw new DecodingException(
                                         "UUDecoder: Short buffer error");
                 }
                 continue;
             }
             // got a line we're committed to, break out and decode it
             break;
         }
         int i = 1;
         byte a, b;
         /*
          * A correct uuencoder always encodes 3 characters at a time, even
          * if there aren't 3 characters left.  But since some people out
          * there have broken uuencoders we handle the case where they
          * don't include these "unnecessary" characters.
          */
         while (bufsize < count) {
             // continue decoding until we get 'count' decoded chars
             a = (byte)((line.charAt(i++) - ' ') & 0x3f);
             b = (byte)((line.charAt(i++) - ' ') & 0x3f);
             buffer[bufsize++] = (byte)(((a << 2) & 0xfc) | ((b >>> 4) & 3));
             if (bufsize < count) {
                 a = b;
                 b = (byte)((line.charAt(i++) - ' ') & 0x3f);
                 buffer[bufsize++] =
                                 (byte)(((a << 4) & 0xf0) | ((b >>> 2) & 0xf));
             }
             if (bufsize < count) {
                 a = b;
                 b = (byte)((line.charAt(i++) - ' ') & 0x3f);
                 buffer[bufsize++] = (byte)(((a << 6) & 0xc0) | (b & 0x3f));
             }
         }
         return true;
     }
     /*** begin TEST program *****
     public static void main(String argv[]) throws Exception {
         FileInputStream infile = new FileInputStream(argv[0]);
         UUDecoderStream decoder = new UUDecoderStream(infile);
         int c;
         try {
             while ((c = decoder.read()) != -1)
                 System.out.write(c);
             System.out.flush();
         } catch (Exception e) {
             e.printStackTrace();
         }
     }
     **** end TEST program ****/
 }

Mercurial > jdk8-mips64-public > jaxws / annotate

src/share/jaxws_classes/com/sun/xml/internal/org/jvnet/mimepull/UUDecoderStream.java@8f2986ff0235 (annotated)

src/share/jaxws_classes/com/sun/xml/internal/org/jvnet/mimepull/UUDecoderStream.java