Line break when writing text using OutputStream file

This seems to be a bit of a stupid question, but I am confused. I write a simple eventLog for my program that, at the present time, contains a few hexagonal channels. Since OutputStream has not an writeLine or writeln method, there is no innate line breaks, and they all appear on a single line. Pretty simple to fix... or so I thought. The line break character is rejected. I tried \n, \r, 0x0A, 0x0C, 0x0D, 0x1E,"(\n".getBytes), br = [] byte {/ * insert line break ratings here host * /}... Each is replaced by a small black box. How can I programmatically insert a line break in a .txt with OutputStream.write (*) file?

Testing this on the generic "BOLD" 9000 Simulator.

public void log (String entry)
  {
    //Circular Buffer logic
    if (eventLog.size () == 100)
    {
      eventLog.removeElementAt (0);
    }

    eventLog.addElement (entry);

    //TODO: Remove this
    flushLog ();
  }

  //Empty log to external file
  public void flushLog ()
  {
    FileConnection logWriter;

    try
    {
      logWriter = (FileConnection) Connector.open
                  ("file:///SDCard/BlackBerry/documents/log.txt",
                   Connector.READ_WRITE);
    }
    catch (IOException e)
    {
      //Debug
      System.out.println ("ERROR: File connection could no be created.");
      System.out.println (e);

      return;
    }

    try
    {
      try
      {
        if (!logWriter.exists ())
        {
          logWriter.create ();

          //Debug
          System.out.println ("Log Successfully created");
        }
      }
      catch (Exception e)
      {
        //Debug
        System.out.println (e);
      }

      //Debug
      System.out.println (logWriter);
      System.out.println ("Creating output stream...");

      OutputStream logOut = logWriter.openOutputStream ();

      //Debug
      System.out.println ("OutputStream successfully created");

      try
      {
        for (int count = 0; count < 100; count++)
        {
          //Debug
          System.out.println ("Log Write Loop: " + count);

          logOut.write (((String) eventLog.elementAt (count)).getBytes ());

          //test
          //byte [] br = {0x0A, 0x0C, 0x0D, 0x1E};

          String br = "\n";
          logOut.write (br.getBytes ());
        }
      }
      catch (ArrayIndexOutOfBoundsException e)
      {
        //Debug
        System.out.println ("Buffer not full");
      }
      catch (Exception e)
      {
        //Debug
        System.out.println (e);
      }

      logOut.close ();
    }
    catch (IOException e)
    {
      //Debug
      System.out.println ("Error writing event log: May be incomplete.");
      System.out.println (e);
    }
    finally
    {
      try
      {
        logWriter.close ();
      }
      catch (IOException e)
      {
        //Debug
        System.out.println ("Error closing log Stream");
        System.out.println (e);
      }
    }
  }

Confused,.

~ Dom

Windows, Notepad, whatever, expects CRLF for line breaks. \n gives you PMQ, which works very well on ' nix systems; \r\n is what you want. Clever Publishers to Windows will load of each convention, but not Notepad.

BlackBerry probably isn't ' nix based. It's just a convention of line break.

Tags: BlackBerry Developers

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