package nabble.view.web.w3c;

import fschmidt.util.servlet.JtpContext;
import nabble.view.lib.UrlMappable;
import nabble.view.lib.Cache;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.HashMap;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public final class P3PXML extends HttpServlet implements UrlMappable {

	private static final Pattern URL_PATTERN = Pattern.compile("/w3c/p3p.xml$");

	private static String path() {
		return "/w3c/p3p.xml";
	}

	public Map<String, String[]> getParameterMapFromUrl(HttpServletRequest request,String mappedUrl) {
		Matcher m = URL_PATTERN.matcher(mappedUrl);
		if (!m.find())
			throw new RuntimeException();
		Map<String,String[]> params = new HashMap<String,String[]>();
		return params;
	}

	public Pattern getUrlPattern() {
		return URL_PATTERN;
	}

	protected void service(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		JtpContext jtpContext = (JtpContext)getServletContext().getAttribute(JtpContext.attrName);
		jtpContext.setEtag(request,response);
		PrintWriter out = response.getWriter();
		response.setContentType("text/xml");
		
		out.print( "\r\n<META xmlns=\"http://www.w3.org/2002/01/P3Pv1\">\r\n	<POLICY-REFERENCES>\r\n		<POLICY-REF about=\"http://" );
		out.print( (request.getHeader("host")) );
		out.print( "/w3c/policy.xml#Policy\">\r\n			<INCLUDE>/*</INCLUDE>\r\n			<COOKIE-INCLUDE name=\"*\" value=\"*\" domain=\"" );
		out.print( (request.getHeader("host")) );
		out.print( "\"/>\r\n		</POLICY-REF>\r\n	</POLICY-REFERENCES>\r\n</META>\r\n" );

	}
}