Examples of java.io.InputStream.available()

java.io.InputStream.available()
Answers a int representing then number of bytes that are available before this InputStream will block. This method always returns 0. Subclasses should override and indicate the correct number of bytes available. @return the number of bytes available before blocking. @throws IOException If an error occurs in this InputStream.

  if (is == null) {
      return null;
  }


  try {
      byte[] buf = new byte[is.available()];


      is.read(buf);
      return new String(buf);
  } catch (IOException e) {
      logger.log(Level.WARNING, "Unable to read softphone build date", e);

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    try {
      InputStream is = getFile(base, name);
      if (is==null) return null;


      byte[] buf = new byte[is.available()];
      is.read(buf);
      return buf;
    } catch (IOException e) {
      e.printStackTrace();
      throw new ExceptionInInitializerError("Error loading "+name+":"+e.getMessage());

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    try {
      InputStream is = getFile(base, name);
      if (is==null) return null;


      byte[] buf = new byte[is.available()];
      is.read(buf);
      return buf;
    } catch (IOException e) {
      e.printStackTrace();
      throw new ExceptionInInitializerError("Error loading "+name+":"+e.getMessage());

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        }
        InputStream is = null;
        try {
            is = servletConfig.getServletContext().getResourceAsStream(location);
            
            if (is == null || is.available() == -1) {
                URIResolver resolver = new URIResolver(location);


                if (resolver.isResolved()) {
                    is = resolver.getInputStream();
                }

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            add_invalid_ok2 = true;
        }


        InputStream is1 = server1.getInputStream();
        Thread.sleep(1000);
        if(is1.available() == 0)
        {
            connect1_ok = true;
        }


        Thread.sleep(1000);

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            connect1_ok = true;
        }


        Thread.sleep(1000);
        InputStream is2 = server2.getInputStream();
        if(is2.available() == 9)
        {
            is2.read(buffread2);
            connect2_ok = true;


            if(equalBytes(buffread2, expected2))

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                 init2_ok = true;
        }


        InputStream is3 = server3.getInputStream();
        Thread.sleep(1000);
        if(is3.available() == 0)
        {
            connect3_ok = true;
        }


        closeConnections();

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        openConnections();


        InputStream is1 = server1.getInputStream();
        OutputStream os1 = server1.getOutputStream();
        is1.skip(is1.available());
        os1.write(send1);
        os1.flush();
        Thread.sleep(1000);
        if(is1.available() == 6)
        {

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        OutputStream os1 = server1.getOutputStream();
        is1.skip(is1.available());
        os1.write(send1);
        os1.flush();
        Thread.sleep(1000);
        if(is1.available() == 6)
        {
            is1.read(buffread1);


            if(equalBytes(buffread1, expected1))
                negotiation1_ok = true;

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        }


        InputStream is2 = server2.getInputStream();
        OutputStream os2 = server2.getOutputStream();
        Thread.sleep(1000);
        is2.skip(is2.available());
        os2.write(send2);
        os2.flush();
        Thread.sleep(1000);
        if(is2.available() == 9)
        {

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