fix(SimpleXMLElement): factory throw unify exception

composer.json

@@ -29,6 +29,7 @@
     "phpstan/phpstan": "^1.10",
     "phpstan/phpstan-deprecation-rules": "^1.1.3",
     "phpstan/phpstan-strict-rules": "^1.5",
+    "strictphp/http-clients": "^0.1.4",
     "tracy/tracy": "^2.10"
   },
   "autoload": {
@@ -41,7 +42,7 @@
     "guzzlehttp/psr7": "Minimum ^2.4 for guzzle.",
     "h4kuna/dir": "If you want to use build-in factory.",
     "nette/caching": "If you have not own PSR-6 implementation.",
-    "ext-simplexml": "If you want to use h4kuna\\Exchange\\Driver\\Ecb."
+    "ext-simplexml": "If you want to use h4kuna\\Exchange\\Driver\\Ecb or h4kuna\\Exchange\\Driver\\RB."
   },
   "autoload-dev": {
     "psr-4": {

src/Driver/Ecb/Day.php

@@ -43,10 +43,7 @@ public function getTimeZone(): DateTimeZone
 
 	public function createSourceData(ResponseInterface $response): SourceData
 	{
-		$xml = simplexml_load_string($response->getBody()->getContents());
-		if ($xml === false) {
-			throw new Exchange\Exceptions\InvalidStateException('Invalid source xml.');
-		}
+		$xml = Exchange\Utils::createSimpleXMLElement($response);
 
 		// including EUR
 		$eur = $xml->Cube->Cube->addChild('Cube');

src/Driver/RB/Day.php

@@ -52,12 +52,7 @@ public function getTimeZone(): DateTimeZone
 
 	public function createSourceData(ResponseInterface $response): SourceData
 	{
-		$data = $response->getBody()->getContents();
-		$xml = simplexml_load_string($data);
-
-		if ($xml === false) {
-			throw new InvalidStateException('Invalid source xml.');
-		}
+		$xml = Utils::createSimpleXMLElement($response);
 
 		// add CZK
 		$czk = $xml->exchangeRateList->exchangeRates->addChild('exchangeRate');

src/Utils.php

@@ -9,6 +9,8 @@
 use h4kuna\Exchange\Exceptions\InvalidStateException;
 use Nette\StaticClass;
 use Nette\Utils\DateTime as NetteDateTime;
+use Psr\Http\Message\ResponseInterface;
+use SimpleXMLElement;
 
 final class Utils
 {
@@ -29,6 +31,18 @@ public static function stroke2point(string $str): string
 	}
 
 
+	public static function createSimpleXMLElement(ResponseInterface $response): SimpleXMLElement
+	{
+		$xml = @simplexml_load_string($response->getBody()->getContents());
+
+		if ($xml === false) {
+			throw new InvalidStateException('Invalid source xml.');
+		}
+
+		return $xml;
+	}
+
+
 	public static function createTimeZone(string|DateTimeZone $timeZone): DateTimeZone
 	{
 		return is_string($timeZone) ? new DateTimeZone($timeZone) : $timeZone;