jodd-servlet/src/main/java/jodd/servlet/filter/CharArrayResponseWrapper.java
@Override
	public PrintWriter getWriter() {
		if (writer == null) {
			writer = new FastCharArrayWriter();
			printWriter = new PrintWriter(writer);
		}
		return printWriter;
	}
@Override
	public PrintWriter getWriter() {
		if (writer == null) {
			writer = new FastCharArrayWriter();
			printWriter = new PrintWriter(writer);
		}
		return printWriter;
	}
Returns buffered writer. Buffer will be created if not already used.