// Go through all the cookies we have, looking for a faveColor.
Cookie[] mySiteCookies = request.getCookies();
for (int i=0; i<mySiteCookies.length; i++) {
Cookie c = mySiteCookies[i];
if (c.getName().equals(PREFS_BGCOLOR)) {
faveColor = c.getValue();
break;
}
}
// if we did not find a faveColor in a cookie,
// punt to customization servlet to bake one up for us.
if (faveColor == null) {
ServletContext sc = getServletContext();
// Requires Servlet API 2.1 or later!
// RequestDispatcher rd =
// sc.getRequestDispatcher(CUSTOMIZER");
//rd.forward(request, response);
// Do it the old way
response.sendRedirect(CUSTOMIZER);
}
// OK, we have a color, so we can do the page.
PrintWriter out = response.getWriter();
response.setContentType("text/html");
out.println("<html><title>A Custom-Colored Page</title>");
out.print("<body bgcolor=\"");
out.print(faveColor);
out.println("\">");
out.println("<P>Welcome! We hope you like your colored page!</P>");
out.println("</body></html>");
out.flush();
