| 1 | package dolda.jsvc.util; |
| 2 | |
| 3 | import dolda.jsvc.*; |
| 4 | import java.util.*; |
| 5 | |
| 6 | public class Multiplexer implements Responder { |
| 7 | private Responder def; |
| 8 | private Collection<Sub> subs = new LinkedList<Sub>(); |
| 9 | |
| 10 | private static interface Sub { |
| 11 | boolean match(Request req); |
| 12 | } |
| 13 | |
| 14 | public Multiplexer(Responder def) { |
| 15 | this.def = def; |
| 16 | } |
| 17 | |
| 18 | public Multiplexer() { |
| 19 | this(new SimpleWriter("html") { |
| 20 | public void respond(Request req, java.io.PrintWriter out) { |
| 21 | req.status(404); |
| 22 | out.println("<?xml version=\"1.0\" encoding=\"UTF-8\"?>"); |
| 23 | out.println("<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.1//EN\" \"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd\">"); |
| 24 | out.println("<html xmlns=\"http://www.w3.org/1999/xhtml\" xml:lang=\"en-US\">"); |
| 25 | out.println("<head><title>Resource not found</title></head>"); |
| 26 | out.println("<body>"); |
| 27 | out.println("<h1>Resource not found</h1>"); |
| 28 | out.println("The resource you requested could not be found on this server."); |
| 29 | out.println("</body>"); |
| 30 | out.println("</html>"); |
| 31 | } |
| 32 | }); |
| 33 | } |
| 34 | |
| 35 | public void file(final String path, final Responder responder) { |
| 36 | subs.add(new Sub() { |
| 37 | public boolean match(Request req) { |
| 38 | if(req.path().equals(path)) { |
| 39 | responder.respond(req); |
| 40 | return(true); |
| 41 | } |
| 42 | return(false); |
| 43 | } |
| 44 | }); |
| 45 | } |
| 46 | |
| 47 | public void dir(String path, final Responder responder) { |
| 48 | final String fp = Misc.stripslashes(path, true, true); |
| 49 | subs.add(new Sub() { |
| 50 | public boolean match(Request req) { |
| 51 | if(req.path().equals(fp)) { |
| 52 | throw(Restarts.redirect(fp + "/")); |
| 53 | } else if(req.path().startsWith(fp + "/")) { |
| 54 | responder.respond(RequestWrap.chpath(req, req.path().substring(fp.length() + 1))); |
| 55 | return(true); |
| 56 | } |
| 57 | return(false); |
| 58 | } |
| 59 | }); |
| 60 | } |
| 61 | |
| 62 | public void respond(Request req) { |
| 63 | for(Sub s : subs) { |
| 64 | if(s.match(req)) |
| 65 | return; |
| 66 | } |
| 67 | def.respond(req); |
| 68 | } |
| 69 | } |