From 790fc2ffaa11c6615bb2b619975eede02a7d144f Mon Sep 17 00:00:00 2001
From: viniciusbds <vinicius.barbosa.silva@ccc.ufcg.edu.br>
Date: Fri, 18 Oct 2019 00:23:26 -0300
Subject: [PATCH] Dealing with a possible null pointer dereference

---
 .../commands/project/SetProjectTagsCommand.java      | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/main/src/com/google/refine/commands/project/SetProjectTagsCommand.java b/main/src/com/google/refine/commands/project/SetProjectTagsCommand.java
index 71fbba7f1..c3e67e311 100644
--- a/main/src/com/google/refine/commands/project/SetProjectTagsCommand.java
+++ b/main/src/com/google/refine/commands/project/SetProjectTagsCommand.java
@@ -81,13 +81,15 @@ public class SetProjectTagsCommand extends Command {
 	    tag = tag.trim();
 	
 	    if (!tag.isEmpty()) {
-	      if (allProjectTags!= null && allProjectTags.containsKey(tag)) {
-	        allProjectTags.put(tag, allProjectTags.get(tag) + 1);
-	      } else {
-	        allProjectTags.put(tag, 1);
+	      if (allProjectTags!= null) {
+	        if (allProjectTags.containsKey(tag)) {
+	          allProjectTags.put(tag, allProjectTags.get(tag) + 1);
+	        } else {
+	          allProjectTags.put(tag, 1);
+	        }
 	      }
 	      polishedTags.add(tag);
-	    }
+	    } 
 	  }
 	
 	  // Lets update the project tags