From 07adeac9615b58f94fd01cdb4a428428656f487c Mon Sep 17 00:00:00 2001
From: Fabian Blechschmidt <github@fabian-blechschmidt.de>
Date: Fri, 24 May 2024 10:28:18 +0200
Subject: [PATCH] Add static factory for existing files

---
 src/ZugferdDocumentPdfBuilder.php | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/ZugferdDocumentPdfBuilder.php b/src/ZugferdDocumentPdfBuilder.php
index ba115287..64bef365 100644
--- a/src/ZugferdDocumentPdfBuilder.php
+++ b/src/ZugferdDocumentPdfBuilder.php
@@ -38,6 +38,17 @@ class ZugferdDocumentPdfBuilder extends ZugferdDocumentPdfBuilderAbstract
      */
     private $xmlDataCache = "";
 
+    /**
+     * @see self::__construct
+     */
+    public static function fromPdfFile(ZugferdDocumentBuilder $documentBuilder, string $pdfData): self
+    {
+        if (!is_file($pdfData)) {
+            throw new \InvalidArgumentException("The given PDF file does not exist.");
+        }
+        return new self($documentBuilder, $pdfData);
+    }
+    
     /**
      * Constructor
      *