Examples of com.caucho.vfs.ReadStream

com.caucho.vfs.ReadStream
A fast bufferered input stream supporting both character and byte data. The underlying stream sources are provided by StreamImpl classes, so all streams have the same API regardless of the underlying implementation.
Dynamic streams, like tcp and http will properly flush writes before reading input. And random access streams, like RandomAccessFile, can use the same API as normal streams.
Most applications will use the Path routines to create their own streams. Specialized applications, like servers, need the capability of recycling streams.

    if (conn instanceof HttpURLConnection)
      ((HttpURLConnection) conn).setFollowRedirects(true);


    InputStream is = conn.getInputStream();
    try {
      ReadStream in = Vfs.openRead(is);
      String encoding = conn.getContentEncoding();
      String contentType = conn.getContentType();


      if (_charEncoding != null) {
        encoding = _charEncoding;
        if (encoding != null && ! encoding.equals(""))
          in.setEncoding(encoding);
      }
      else if (encoding != null)
        in.setEncoding(encoding);
      else if (contentType != null) {
        int p = contentType.indexOf("charset=");
        if (p > 0) {
          CharBuffer cb = new CharBuffer();
          for (int i = p + 8; i < contentType.length(); i++) {
            int ch = contentType.charAt(i);
            if (ch == '"' || ch == '\'') {
            }
            else if (ch >= 'a' && ch <= 'z')
              cb.append((char) ch);
            else if (ch >= 'A' && ch <= 'Z')
              cb.append((char) ch);
            else if (ch >= '0' && ch <= '9')
              cb.append((char) ch);
            else if (ch == '-' || ch == '_')
              cb.append((char) ch);
            else
              break;
          }
          encoding = cb.toString();


          in.setEncoding(encoding);
        }
      }
      
      JspWriter out = pageContext.getOut();


      int ch;
      while ((ch = in.readChar()) >= 0)
        out.print((char) ch);
    } finally {
      is.close();
    }
  }

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                                HttpServletResponse res,
                                String uri,
                                ClientSocket stream)
    throws ServletException, IOException
  {
    ReadStream rs = stream.getInputStream();
    WriteStream out = stream.getOutputStream();


    try {
      out.print(req.getMethod());
      out.print(' ');

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      }
      
      TempBuffer.free(tempBuf);
      tempBuf = null;


      ReadStream rs = Vfs.openRead(inputStream);
      boolean hasStatus = false;


      try {
        hasStatus = parseHeaders(req, res, rs);


        OutputStream out = res.getOutputStream();


        rs.writeToStream(out);
      } finally {
        try {
          rs.close();
        } catch (Throwable e) {
          log.log(Level.FINER, e.toString(), e);


        }

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  private String []getArgs(String path)
  {
    if (_executable != null)
      return new String[] { _executable, path };


    ReadStream is = null;
    try {
      is = Vfs.lookup(path).openRead();


      int ch;
      if (is.read() != '#')
        return new String[] { path };
      else if (is.read() != '!')
        return new String[] { path };


      CharBuffer cb = CharBuffer.allocate();
      ArrayList<String> list = new ArrayList<String>();
      ch = is.read();


      while ((ch >= 0 && ch != '\r' && ch != '\n')) {
        for (; ch == ' ' || ch == '\t'; ch = is.read()) {
        }


        if (ch < 0 || ch == '\r' || ch == '\n') {
          if (list.size() > 0) {
            list.add(path);
            return list.toArray(new String[list.size()]);
          }
          else
            return new String[] { path };
        }


        cb.clear();
        while (ch > 0 && ch != ' ' && ch != '\t' && ch != '\r' && ch != '\n') {
          cb.append((char) ch);


          ch = is.read();
        }


        list.add(cb.toString());


        for (; ch == ' ' || ch == '\t'; ch = is.read()) {
        }
      }


      if (list.size() > 0) {
        list.add(path);
        return list.toArray(new String[list.size()]);
      }
      else
        return new String[] { path };
    } catch (Exception e) {
      return new String[] { path };
    } finally {
      if (is != null) {
        is.close();
      }
    }
  }

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  }


  Statement parse(Path path)
    throws IOException
  {
    ReadStream is = path.openRead();


    try {
      ArrayList<Statement> statements = new ArrayList<Statement>();
      
      parse(is, statements);


      return new BlockStatement(statements);
    } finally {
      is.close();
    }
  }

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    {
      flushBuffer();
      
      _out.close();


      ReadStream is = _tempStream.openRead();
      Statement stmt = null;
      try {
        stmt = new SSIParser(_factory).parse(is);
      } finally {
        is.close();
      }


      try {
        WriteStream out = Vfs.openWrite(res.getOutputStream());
        stmt.apply(out, req, res);

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        TempStream ts = _xsltStream.getTempStream();


        Document doc = null;
        
        ReadStream is = ts.openRead();
        Path userPath = Vfs.lookup();
        if (req instanceof CauchoRequest)
          userPath.setUserPath(((CauchoRequest) req).getPageURI());
        else
          userPath.setUserPath(req.getRequestURI());
        is.setPath(userPath);


        try {
          doc = new Xml().parseDocument(is);
        } finally {
          is.close();
        }
      
        String href = (String) req.getAttribute("caucho.xsl.stylesheet");


        if (href == null)

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  private boolean handleInitialRequest()
    throws IOException
  {
    _isFirst = false;
    
    ReadStream is = _rawRead;
    
    int ch = is.read();
    
    if (ch < 0)
      return false;
    
    boolean isUnidir = false;
    
    if (ch == HMUX_TO_UNIDIR_HMTP)
      isUnidir = true;
    else if (ch == HMUX_SWITCH_TO_HMTP)
      isUnidir = false;
    else
      throw new UnsupportedOperationException(L.l("0x{0} is an invalid HMUX code.",
                                                  Integer.toHexString(ch)));


    int len = (is.read() << 8) + is.read();
    int adminCode = is.read();
    boolean isAdmin = adminCode != 0;


    InputStream rawIs = is;
    
    is.skip(len - 1);


    _hmtpReader = new HmtpWebSocketReader(rawIs);


    _hmtpWriter = new HmtpWebSocketWriter(_rawWrite);
    // _hmtpWriter.setId(getRequestId());

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   * @param url the source url to parse from
   */
  public void parse(String systemId)
    throws IOException, SAXException
  {
    ReadStream is = Vfs.lookup(systemId).openRead();


    _reader = is.getReader();
    _systemId = systemId;
    _filename = systemId;
    try {
      parseImpl();
    } finally {

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  public static Source convertToSource(Object xmlObj, String systemId)
    throws JspException
  {
    if (xmlObj instanceof String) {
      ReadStream is = Vfs.openString((String) xmlObj);


      return new StreamSource(is, systemId);
    }
    else if (xmlObj instanceof InputStream) {
      return new StreamSource((InputStream) xmlObj, systemId);

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