Prints HttpServletRequest headers and cookies

HttpServletRequestPrintout.java

	private String printRequestDebug(HttpServletRequest request) {
		final String divider = "---------------------------------------------------------------------------------------\n";
		StringBuilder sb =  new StringBuilder();
		sb.append(divider);
		Enumeration<String> headers = request.getHeaderNames();
		while (headers.hasMoreElements()) {
			String headerName = headers.nextElement();
			sb.append(String.format("Header[%s]: '%s'\n", headerName, enumerationAsList(request.getHeaders(headerName))));
		}
		sb.append(divider);
		sb.append("\n\n");
		sb.append(divider);
		Cookie[] cookies = request.getCookies();
		if(cookies == null) {
			sb.append("No cookies in the request!\n");
		}else {
			for (Cookie cookie : cookies) {
				sb.append(String.format("Cookie[%s]@'%s': '%s'\n", cookie.getName(), cookie.getDomain(), cookie.getValue()));
			}
		}

		sb.append(divider);
		return sb.toString();
	}

	private List<String> enumerationAsList(Enumeration<String> e){
		List<String> list = new ArrayList<>();
		while(e.hasMoreElements()) list.add(e.nextElement());
		return list;
	}