From d7d12cd83d1610b118a336024b260e11b7c83d98 Mon Sep 17 00:00:00 2001
From: Alexander Marsalek <amarsalek@iaik.tugraz.at>
Date: Thu, 15 Apr 2021 17:11:43 +0200
Subject: pass empty map if no map is supplied

---
 .../lib/impl/stamping/CertificateAndRequestParameterResolver.java    | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl')

diff --git a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/stamping/CertificateAndRequestParameterResolver.java b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/stamping/CertificateAndRequestParameterResolver.java
index 024f377f..c53a9a4f 100644
--- a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/stamping/CertificateAndRequestParameterResolver.java
+++ b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/stamping/CertificateAndRequestParameterResolver.java
@@ -62,7 +62,10 @@ public class CertificateAndRequestParameterResolver implements IResolver {
         this.ctx = new OgnlContext(null, null, memberAccess);
 
         this.ctx = new OgnlContext(null, null, memberAccess);
-        this.ctx.put(IProfileConstants.SIGNATURE_BLOCK_PARAMETER, operationStatus.getSignParamter().getDynamicSignatureBlockArguments());
+        Map<String, String> map = operationStatus.getSignParamter().getDynamicSignatureBlockArguments();
+        if(map == null)
+            map = new HashMap<>();
+        this.ctx.put(IProfileConstants.SIGNATURE_BLOCK_PARAMETER, map);
 
         this.ctx.put("sn", this.certificate.getSerialNumber().toString());
         
-- 
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