Avoid to build the request twice

Author: na2axl

src/WaterPipe/Routing/Router.php

@@ -49,6 +49,8 @@ class Router
      */
     private $_request;
 
+    private $_built = false;
+
     private function __construct()
     {
         $this->_request =& Request::getInstance();
@@ -65,8 +67,12 @@ public static function &getInstance()
 
     public function build()
     {
-        $this->_detectUri();
-        $this->_detectMethod();
+        if (!$this->_built) {
+            $this->_detectUri();
+            $this->_detectMethod();
+
+            $this->_built = true;
+        }
 
         return $this;
     }
@@ -142,6 +148,14 @@ private function _detectMethod()
         }
     }
 
+    /**
+     * @return bool
+     */
+    public function isBuilt(): bool
+    {
+        return $this->_built;
+    }
+
     /**
      * @return Request
      */