package org.webslinger.rules;

 import java.io.IOException;

 import javax.servlet.ServletException;

 import javax.servlet.ServletRequest;

 import javax.servlet.http.HttpServletRequest;

 import javax.servlet.http.HttpSession;

 import org.webslinger.Webslinger;

 public class ThemeMatcher implements PathMatcher {

     private final PathMatcher next;

     public ThemeMatcher(PathMatcher next) {

         this.next = next;

     }

     public boolean matches(ServletRequest request, String servletPath) throws IOException, ServletException {

         if (!servletPath.startsWith("/Theme/")) return false;

         servletPath = servletPath.substring(7);

         String themeName = (String) request.getAttribute("THEME");

         if (!servletPath.startsWith(themeName)) return false;

         if (servletPath.charAt(themeName.length()) != '/') return false;

         return next.matches(request, servletPath.substring(themeName.length() + 1));

     }

     public String toString() {

         return "ThemeMatcher(" + next + ")";

     }

 }