Examples of com.caucho.vfs.WriteStream

com.caucho.vfs.WriteStream
A fast bufferered output 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.
OutputStream and Writers are combined. The write routines write bytes and the print routines write characters.
Most applications will use the Path routines to create their own streams. Specialized applications, like servers, need the capability of recycling streams.

                  HttpServletRequest request,
                  HttpServletResponse response,
                  ServletContext application)
    throws IOException
  {
    WriteStream logStream = getLogStream();


    if (logStream == null)
      return;


    Throwable t = e;
    while (t != null) {
      e = t;
        
      if (e instanceof ServletException)
        t = ((ServletException) e).getRootCause();
      else if (e instanceof ExceptionWrapper)
        t = ((ExceptionWrapper) e).getRootCause();
      else
        t = null;
    }


    CharBuffer cb = CharBuffer.allocate();


    QDate.formatLocal(cb, Alarm.getCurrentTime(), "[%Y/%m/%d %H:%M:%S] ");


    cb.append(message);


    logStream.log(cb.close());


    if (e != null && ! (e instanceof CompileException))
      logStream.log(e);


    logStream.flush();
  }

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  public AbstractSocketLink()
  {
    _readStream = new ReadStream();
    _readStream.setReuseBuffer(true);
    _writeStream = new WriteStream();
    _writeStream.setReuseBuffer(true);
  }

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  {
    if (_isWriteClosed.getAndSet(true))
      return;


    try {
      WriteStream out = _controller.getWriteStream();
    
      out.write(0x81);
      out.write(0x00);
      out.flush();
    } catch (IOException e) {
      log.log(Level.WARNING, e.toString(), e);
    } finally {
      disconnect();
    }

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  }
  
  void flush()
    throws IOException
  {
    WriteStream out = _controller.getWriteStream();
    
    out.flush();
  }

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      s = "null";


    OutputStream out = _out;
    
    if (out instanceof WriteStream) {
      WriteStream wOut = (WriteStream) out;


      wOut.print(s);
    }
    else {
      int length = s.length();


      if (_buffer == null)

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  {
    if (_isWriteClosed.getAndSet(true))
      return;


    try {
      WriteStream out = getWriteStream();
    
      out.write(0x81);
      out.write(0x00);
      out.flush();
    } catch (IOException e) {
      log.log(Level.WARNING, e.toString(), e);
    } finally {
      disconnect();
    }

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  }
  
  void flush()
    throws IOException
  {
    WriteStream out = getWriteStream();
    
    out.flush();
  }

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        if (archivePath == null) {
          createArchive(deployPath, plan, archiveIs);
          archivePath = deployPath;
        }
        else {
          WriteStream deployStream = deployPath.openWrite();


          try {
            deployStream.writeFile(archivePath);
          }
          finally {
            deployStream.close();
          }
        }


        mxbean.update();

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    }
    else {
      earFileName = null;
    }


    WriteStream archiveStream =  null;
    ZipInputStream zipInputStream = null;
    ZipOutputStream zipOutputStream = null;


    try {
      archiveStream = archivePath.openWrite();
      zipOutputStream = new ZipOutputStream(archiveStream);


      zipInputStream = new ZipInputStream(archiveIs);


      ZipEntry zipEntry = zipInputStream.getNextEntry();


      TreeSet<String> entryNames = new TreeSet<String>();


      int copyCount = 0;


      while (zipEntry != null) {
        if (log.isLoggable(Level.FINEST))
          log.log(Level.FINEST, L.l("jsr88 copying entry {0}", zipEntry));


        entryNames.add(zipEntry.getName());


        zipOutputStream.putNextEntry(zipEntry);


        try {
          for (int ch = zipInputStream.read(); ch != -1; ch = zipInputStream.read())
            zipOutputStream.write(ch);
        } catch (IOException e) {
          // XXX: unexpected end of ZLIB input stream.
          log.log(Level.WARNING, L.l("exception copying entry {0}", zipEntry), e);
        }


        zipEntry = zipInputStream.getNextEntry();


        copyCount++;
      }


      if (log.isLoggable(Level.FINER))
        log.log(Level.FINER, L.l("copied {0} entries", copyCount));


      if (archiveIs.read() != -1) {
        if (log.isLoggable(Level.FINE))
          log.log(Level.FINE, L.l("unexpected data at end of archive"));


        while (archiveIs.read() != -1) {}
      }


      int fileCount = 0;


      for (DeploymentPlan.PlanFile file : plan.getFileList()) {
        String zipEntryName = file.getPath();
        if (zipEntryName.startsWith("/"))
          zipEntryName = zipEntryName.substring(1);


        if (log.isLoggable(Level.FINEST))
          log.log(Level.FINEST, L.l("jsr88 plan file {0} output to {1}", file, zipEntryName));


        if (entryNames.contains(zipEntryName))
          log.log(Level.WARNING, L.l("plan file {0} overwrites existing file", zipEntryName));


        entryNames.add(zipEntryName);


        zipEntry = new ZipEntry(zipEntryName);
        zipOutputStream.putNextEntry(zipEntry);
        file.writeToStream(zipOutputStream);


        fileCount++;
      }


      if (log.isLoggable(Level.FINER))
        log.log(Level.FINER, L.l("created {0} entries from plan", fileCount));


      zipInputStream.close();
      zipInputStream = null;


      zipOutputStream.close();
      zipOutputStream = null;


      archiveStream.close();
      archiveStream = null;
    }
    finally {
      if (zipInputStream != null) {
        try {
          zipInputStream.close();
        }
        catch (Exception ex) {
          log.log(Level.FINER, ex.toString(), ex);
        }
      }


      if (zipOutputStream != null) {
        try {
          zipOutputStream.close();
        }
        catch (Exception ex) {
          log.log(Level.FINER, ex.toString(), ex);
        }
      }


      if (archiveStream != null) {
        try {
          archiveStream.close();
        }
        catch (Exception ex) {
          log.log(Level.FINER, ex.toString(), ex);
        }
      }

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  }
  
  public void switchToHmtp(boolean isUnidir)
  {
    try {
      WriteStream out = getOutputStream();


      if (isUnidir)
        out.write(HmuxRequest.HMUX_TO_UNIDIR_HMTP);
      else
        out.write(HmuxRequest.HMUX_SWITCH_TO_HMTP);
             
      out.write(0);
      out.write(1);
      boolean isAdmin = true;
      out.write(isAdmin ? 1 : 0);
      out.flush();
    } catch (IOException e) {
      throw new BamException(e);
    }
    
  }

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