From 28ce7ce2770c4810d769393939ad41c98f586980 Mon Sep 17 00:00:00 2001
From: hudajkhan <hjk54@cornell.edu>
Date: Mon, 7 Jan 2013 17:35:00 -0500
Subject: [PATCH] For JIRA issue NIHVIVO-4026, checking query model resource is
 not null before accessing it

---
 .../preprocessors/utils/ProcessSparqlDataGetterN3.java     | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/webapp/src/edu/cornell/mannlib/vitro/webapp/edit/n3editing/configuration/preprocessors/utils/ProcessSparqlDataGetterN3.java b/webapp/src/edu/cornell/mannlib/vitro/webapp/edit/n3editing/configuration/preprocessors/utils/ProcessSparqlDataGetterN3.java
index 8fb98af21..a3409cd3d 100644
--- a/webapp/src/edu/cornell/mannlib/vitro/webapp/edit/n3editing/configuration/preprocessors/utils/ProcessSparqlDataGetterN3.java
+++ b/webapp/src/edu/cornell/mannlib/vitro/webapp/edit/n3editing/configuration/preprocessors/utils/ProcessSparqlDataGetterN3.java
@@ -128,10 +128,11 @@ public  class ProcessSparqlDataGetterN3 extends ProcessDataGetterAbstract {
        
         	   existingLiteralValues.put(this.getVarName("query", counter),
         			   new ArrayList<Literal>(Arrays.asList(queryLiteral)));
-        	   
-        	   existingUriValues.put(this.getVarName("queryModel", counter), 
+        	   //Query model is optional
+        	   if(queryModelResource != null && queryModelResource.getURI() != null) {
+        		   existingUriValues.put(this.getVarName("queryModel", counter), 
         			   new ArrayList<String>(Arrays.asList(queryModelResource.getURI())));
-
+        	   }
         	   
            }
        } catch(Exception ex) {