Initial commit

static/static.go

@@ -0,0 +1,22 @@
+package static
+
+import (
+	"net/http"
+	"os"
+)
+
+// Dir serves the files in the given directory or
+// uses the given handler to handles missing files
+func Dir(dirPath string, stripPrefix string, notFoundHandler http.Handler) http.Handler {
+	root := http.Dir(dirPath)
+	fs := http.FileServer(root)
+	fn := func(w http.ResponseWriter, r *http.Request) {
+		if _, err := os.Stat(dirPath + r.RequestURI); os.IsNotExist(err) {
+			notFoundHandler.ServeHTTP(w, r)
+		} else {
+			fs.ServeHTTP(w, r)
+		}
+	}
+	handler := http.StripPrefix(stripPrefix, http.HandlerFunc(fn))
+	return handler
+}