Examples of java.io.BufferedInputStream.available()

java.io.BufferedInputStream.available()
Returns an estimate of the number of bytes that can be read (or skipped over) from this input stream without blocking by the next invocation of a method for this input stream. The next invocation might be the same thread or another thread. A single read or skip of this many bytes will not block, but may read or skip fewer bytes.
This method returns the sum of the number of bytes remaining to be read in the buffer (count - pos) and the result of calling the {@link java.io.FilterInputStream#in in}.available(). @return an estimate of the number of bytes that can be read (or skippedover) from this input stream without blocking. @exception IOException if this input stream has been closed byinvoking its {@link #close()} method,or an I/O error occurs.

            InputStream stream = connection.getInputStream();
            Debug.logInfo("getContentLength is :"+contentLength, module);


            in = new BufferedInputStream(stream);


            long totalBytes = in.available();
            Debug.logInfo("totalBytes is : "+totalBytes, module);


            byte[] b = new byte[1024];


            FileOutputStream file = new FileOutputStream(libPath);

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                // So we just read without blocking, because we do not know when to
                // stop reading, so we cannot block
                // TODO propery implement support for chunked transfer, i.e. to
                // know when we have read the whole request, and therefore allow
                // the reading to block
                while(in.available() > 0 && ((length = in.read(buffer)) != -1)) {
                    out.write(buffer, 0, length);
                }
            }
            else {
                // The reqest has no body, or it has a transfer encoding we do not support.

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                }
            }
            else {
                // The reqest has no body, or it has a transfer encoding we do not support.
                // In either case, we read any data available
                while(in.available() > 0 && ((length = in.read(buffer)) != -1)) {
                    out.write(buffer, 0, length);
                }
            }
            out.flush();
        } catch (IOException e) {

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    try
    {
      // read byte[] from jar-entry
      InputStream in =
        new BufferedInputStream(repository.getInputStream(file));
      byte[] byteCode = new byte[in.available()];
      in.read(byteCode);


      // define the corresponding package, if neccessary
      this.definePackageForClass(className);

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        // read the request
        InputStream in = new BufferedInputStream(s.getInputStream());
        byte command = (byte)in.read();
        byte[] lengthb = new byte[4];
        while(in.available() < 4);
        in.read(lengthb);
        int length = SimpleP2P.byteArray2int(lengthb);
        int answer = SimpleP2P.REPLY_ERROR;


        if (length > 0)

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        int answer = SimpleP2P.REPLY_ERROR;


        if (length > 0)
        {
          byte[] data = new byte[length];
          while(in.available() < length);
          in.read(data);


          // process the request
          switch (command)
          {

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      zipOut.write(state);
      zipOut.close();


      // return data
      BufferedInputStream fin = new BufferedInputStream(new FileInputStream(file));
      byte[] buffer = new byte[fin.available()];
      fin.read(buffer);
      
      return buffer;
    } catch (Throwable e)
    {

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    {
      // BufferedInputStream so we can for sure
      // read all data in one call to read(byte[])!!!
      InputStream in = new BufferedInputStream(oin);


      byte[] retval = new byte[in.available()];
      in.read(retval);
      in.close();


      return retval;
    } catch (IOException e)

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    {
      Resource r = agentServices.requestResource(this.url, false);
      InputStream in = new BufferedInputStream(r.getInputStream());


      // read all data
      this.payload = new byte[in.available()];
      in.read(this.payload);


      // even if we failed, we have no other option
      return;
    }

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      // read all of gpg's output after
      // process has terminated
      if (p.waitFor() != 0)
        return null;
      byte[] gpgoutput = new byte[in.available()];
      in.read(gpgoutput);


      // go through all lines and see, if we
      // get an "[GNUPG:] IMPORT_OK" line
      String[] lines = new String(gpgoutput).split("\n");

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