code: public boolean write(DataOutputStream daOut, boolean bFixedLength)
      {
          Object data = this.getData();
          if (data == null)
              data = Constants.BLANK;
          ObjectOutputStream p = null;
          try   {
              p = new ObjectOutputStream(daOut);
              p.writeObject(data);
              p.flush();
              p.close();  // Unlink ObjectOutputStream
          } catch (IOException ex)    {
              ex.printStackTrace();   // Never
              return false;
          }
          return true;    // Success
      }
docs: Write the physical data in this field to a stream file.
  @param daOut Output stream to add this field to.
  @param bFixedLength If false (default) be sure to get the length from the stream.
  @return boolean Success?