code: protected void addCommandLineArgument(StringBuilder buffer,String argument,String value)
      {
          if((value!=null)&&(value.length()>0))
          {
              buffer.append(argument);
              buffer.append(Fax4jExeConstants.SPACE_STR);
              buffer.append(Fax4jExeConstants.VALUE_WRAPPER);
              buffer.append(value);
              buffer.append(Fax4jExeConstants.VALUE_WRAPPER);
              buffer.append(Fax4jExeConstants.SPACE_STR);
          }
      }
docs: This function adds the given command line argument to the buffer.
  
  @param   buffer
  The buffer
  @param   argument
  The argument
  @param   value
  The argument value