1 package dolda.jsvc.util;
6 import java.util.logging.*;
8 public class ErrorHandler implements Responder {
9 private Responder next;
10 private static Logger logger = Logger.getLogger("dolda.jsvc.context");
12 public ErrorHandler(Responder next) {
16 protected void log(Request req, Throwable t) {
17 logger.log(Level.SEVERE, "Unhandled error in responder", t);
20 protected void respdebug(Request req, Throwable t) {
22 req.outheaders().put("content-type", "text/plain; charset=utf-8");
25 out = new PrintWriter(new OutputStreamWriter(req.output(), "UTF-8"));
26 } catch(UnsupportedEncodingException e) {
29 t.printStackTrace(out);
33 protected void resperr(Request req, Throwable t) {
35 req.outheaders().put("content-type", "text/html; charset=us-ascii");
38 out = new PrintWriter(new OutputStreamWriter(req.output(), "US-ASCII"));
39 } catch(UnsupportedEncodingException e) {
42 out.println("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
43 out.println("<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.1//EN\" \"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd\">");
44 out.println("<html xmlns=\"http://www.w3.org/1999/xhtml\" xml:lang=\"en-US\">");
45 out.println("<head><title>Internal error</title></head>");
46 out.println("<body>");
47 out.println("<h1>Internal error</h1>");
48 out.println("An error occurred on the server processing your request.");
49 out.println("</body>");
50 out.println("</html>");
54 protected boolean debug(Request req, Throwable t) {
55 SocketAddress rem = req.remoteaddr();
56 return((rem instanceof InetSocketAddress) && ((InetSocketAddress)rem).getAddress().isLoopbackAddress());
59 protected void handle(Request req, Throwable t) {
61 if(req instanceof ResettableRequest) {
62 ResettableRequest rr = (ResettableRequest)req;
72 public void respond(Request req) {
75 } catch(Throwable t) {