diff --git a/src/Common/Util/File.php b/src/Common/Util/File.php
index 0e6c0e1..ae0df66 100644
--- a/src/Common/Util/File.php
+++ b/src/Common/Util/File.php
@@ -23,4 +23,16 @@ public static function write($filePath, $filename, $data) {
         fwrite($fh, $data);
         fclose($fh);
     }
+
+    /**
+     * @param string $filename
+     * @return string
+     */
+    public static function read($filename) {
+        $contents = file_get_contents($filename);
+        $contents = str_replace("\n", '', $contents);
+        $contents = str_replace("\r", '', $contents);
+        $contents = str_replace('    ', '', $contents);
+        return $contents;
+    }
 }
\ No newline at end of file
diff --git a/src/Common/Util/Iteration.php b/src/Common/Util/Iteration.php
index 3d749f0..a1555a7 100644
--- a/src/Common/Util/Iteration.php
+++ b/src/Common/Util/Iteration.php
@@ -53,7 +53,7 @@ public static function findValueInObject($source, $name, $defaultValue) {
         return $value;
     }
 
-    public function findValueInSimpleXmlElement(\SimpleXMLElement $source, $name, $defaultValue) {
+    public function findValueInSimpleXmlElement($source, $name, $defaultValue) {
         $value = self::findValueInObject($source, $name, $defaultValue);
         if($value instanceof \SimpleXMLElement && $value->children()->count() === 0) {
             $value = (string) $value;
@@ -128,7 +128,7 @@ public static function assign($source, $key, $value) {
      * @param string $needle
      * @return string|null
      */
-    public static function strposArray(array $haystackArray, $needle) {
+    public static function strposArray($haystackArray, $needle) {
         $result = null;
         foreach($haystackArray as $haystack) {
             if(strpos($haystack, $needle) !== false) {
@@ -144,7 +144,7 @@ public static function strposArray(array $haystackArray, $needle) {
      * @param string $regex
      * @return string|null
      */
-    public static function regexArray(array $haystackArray, $regex) {
+    public static function regexArray($haystackArray, $regex) {
         $result = null;
         foreach($haystackArray as $haystack) {
             if(preg_match($regex, $haystack, $matches)) {
diff --git a/src/Common/Util/Xml.php b/src/Common/Util/Xml.php
index 6d5835a..5a7dbd1 100644
--- a/src/Common/Util/Xml.php
+++ b/src/Common/Util/Xml.php
@@ -30,12 +30,7 @@ public static function isValidElementName($name) {
 	 * @return string
 	 */
 	public static function loadFromFile($filename) {
-		$contents = file_get_contents($filename);
-		$contents = str_replace("\n", '', $contents);
-		$contents = str_replace("\r", '', $contents);
-		$xml = str_replace('    ', '', $contents);
-
-		return $xml;
+		return File::read($filename);
 	}
 
     /**
@@ -44,7 +39,7 @@ public static function loadFromFile($filename) {
      * @param string $key
      * @return bool
      */
-    public static function isDomNodeArray(\DOMNode $parentElement, $key) {
+    public static function isDomNodeArray($parentElement, $key) {
         $result = false;
         $keyCount = 0;
         for($i = 0; $i < $parentElement->childNodes->length; $i++) {