diff --git a/src/Controller/Component.php b/src/Controller/Component.php
index 4a75ed4..c389198 100644
--- a/src/Controller/Component.php
+++ b/src/Controller/Component.php
@@ -167,7 +167,7 @@ class Controller_Component
     function getInfo() {
         $filename = Path::join($this->viewPath[0], 'install.json');
         if (file_exists($filename)) {
-            $settings = json_decode(file_get_contents($filename), true);
+            $settings = json_decode(File::getContents($filename), true);
             return $settings;
         }
         return array();
diff --git a/src/Database/Manager.php b/src/Database/Manager.php
index 036710c..ec354c7 100644
--- a/src/Database/Manager.php
+++ b/src/Database/Manager.php
@@ -141,7 +141,7 @@ class Database_Manager
 		$this->db->query($q);
 	}
 
-    function getConstraintDef($c) {
+    function getConstraintDef(/*.array.*/$c) {
         if ($c['type'] == 'unique') {
             return "UNIQUE(" . implode(", ", $c['fields']) . ")";
         }
diff --git a/src/File.php b/src/File.php
new file mode 100644
index 0000000..888a44b
--- /dev/null
+++ b/src/File.php
@@ -0,0 +1,11 @@
+<?php
+
+class File {
+    static function getContents($filename) {
+        $buffer = file_get_contents($filename);
+        if ($buffer !== false) {
+           return $buffer;
+        }
+        throw new Exception("Unable to read file: " . $filename);
+    }
+}
\ No newline at end of file
diff --git a/src/Settings.php b/src/Settings.php
index ee1fc2d..661cbb2 100644
--- a/src/Settings.php
+++ b/src/Settings.php
@@ -32,7 +32,7 @@ class Settings extends Collection
         // Не include_once т.к читать настройки можно несколько раз
         $settings = array();
         if ($this->format == 'json') {
-            $settings = json_decode(file_get_contents($this->file), true);
+            $settings = json_decode(File::getContents($this->file), true);
         } else {
             include ($this->file);
         }
diff --git a/src/Tools/SQLStatementExtractor.php b/src/Tools/SQLStatementExtractor.php
index 180d779..739f6c7 100644
--- a/src/Tools/SQLStatementExtractor.php
+++ b/src/Tools/SQLStatementExtractor.php
@@ -38,10 +38,10 @@ class Tools_SQLStatementExtractor {
      */
     public static function extractFile($filename) {
         $buffer = file_get_contents($filename);
-        if ($buffer === false) {
-           throw new Exception("Unable to read file: " . $filename);
+        if ($buffer !== false) {
+           return self::extractStatements(self::getLines($buffer));
         }
-        return self::extractStatements(self::getLines($buffer));
+        throw new Exception("Unable to read file: " . $filename);
     }
     
     /**