separate into handler package and add New* functions

handlers/request.go

@@ -0,0 +1,17 @@
+package handlers
+
+import "net/url"
+
+func NewRequest(url *url.URL) *Request {
+	return &Request{
+		url: url,
+	}
+}
+
+type Request struct {
+	url *url.URL
+}
+
+func (r *Request) GetURL() *url.URL {
+	return r.url
+}