code: public void writeln(String text) throws IOException {
  		this.writer.write(text);
  		if (text != null && text.length() > 0) {
  			this.writer.write("\n"); //$NON-NLS-1$
  		}
  	}
docs: Write a sequence of characters followed by a carriage return.
  
  @param text text.
  @throws IOException on error.