Add res.redirect and res.internalRedirect to node-router response obj…

…ects.

lib/node-router.js

@@ -135,8 +135,19 @@ exports.getServer = function getServer(logger) {
     // Enable logging on all requests using common-logger style
     logify(req, res, logger);
 
-    var uri = url_parse(req.url);
-    var path = uri.pathname;
+    var uri, path;
+
+    // Performs an HTTP 302 redirect
+    res.redirect = function redirect(location) {
+      res.writeHead(302, {"Location": location});
+      res.close();
+    }
+
+    // Performs an internal redirect
+    res.innerRedirect = function innerRedirect(location) {
+      req.url = location;
+      doRoute();
+    }
 
     res.simpleText = function (code, body, extra_headers) {
       res.writeHead(code, (extra_headers || []).concat(
@@ -170,43 +181,51 @@ exports.getServer = function getServer(logger) {
       notFound(req, res, message);
     };
 
-    for (var i = 0, l = routes.length; i < l; i += 1) {
-      var route = routes[i];
-      if (req.method === route.method) {
-        var match = path.match(route.pattern);
-        if (match && match[0].length > 0) {
-          match.shift();
-          match = match.map(unescape);
-          match.unshift(res);
-          match.unshift(req);
-          if (route.format !== undefined) {
-            var body = "";
-            req.setBodyEncoding('utf8');
-            req.addListener('data', function (chunk) {
-              body += chunk;
-            });
-            req.addListener('end', function () {
-              if (route.format === 'json') {
-                body = JSON.parse(unescape(body));
-              }
-              match.push(body);
-              route.handler.apply(null, match);
-            });
+    function doRoute() {
+      uri = url_parse(req.url);
+      path = uri.pathname;
+
+      for (var i = 0, l = routes.length; i < l; i += 1) {
+        var route = routes[i];
+        if (req.method === route.method) {
+          var match = path.match(route.pattern);
+          if (match && match[0].length > 0) {
+            match.shift();
+            match = match.map(unescape);
+            match.unshift(res);
+            match.unshift(req);
+            if (route.format !== undefined) {
+              var body = "";
+              req.setBodyEncoding('utf8');
+              req.addListener('data', function (chunk) {
+                body += chunk;
+              });
+              req.addListener('end', function () {
+                if (route.format === 'json') {
+                  body = JSON.parse(unescape(body));
+                }
+                match.push(body);
+                route.handler.apply(null, match);
+              });
+              return;
+            }
+            route.handler.apply(null, match);
             return;
           }
-          route.handler.apply(null, match);
-          return;
         }
       }
-    }
 
-    notFound(req, res);
+      notFound(req, res);
+    }
+    doRoute();
 
   });
 
   function listen(port, host) {
+    port = port || 8080;
+    host = host || "127.0.0.1";
     server.listen(port, host);
-    logger("Server at http://" + (host || "127.0.0.1") + ":" + port.toString() + "/");
+    logger("node-router server instance at http://" + host + ":" + port + "/");
   }
 
   function close() {