From: jprocter <Jim Procter>
Date: Thu, 16 Sep 2010 11:53:45 +0000 (+0000)
Subject: patch to prevent NPE - which occurs if no features are available (see JAL-650)
X-Git-Tag: Release_2_6~36
X-Git-Url: http://source.jalview.org/gitweb/?p=jalview.git;a=commitdiff_plain;h=2cc0c155f1e785ce3d53529bb4375d4ddf1e8cc9

patch to prevent NPE - which occurs if no features are available (see JAL-650)
---

diff --git a/src/jalview/gui/AnnotationExporter.java b/src/jalview/gui/AnnotationExporter.java
index 857eabc..ceccd97 100755
--- a/src/jalview/gui/AnnotationExporter.java
+++ b/src/jalview/gui/AnnotationExporter.java
@@ -196,6 +196,10 @@ public class AnnotationExporter extends JPanel
   private Hashtable getDisplayedFeatureCols()
   {
     Hashtable fcols = new Hashtable();
+    if (ap.av.featuresDisplayed==null)
+    {
+      return fcols;
+    }
     Enumeration en = ap.av.featuresDisplayed.keys();
     FeatureRenderer fr = ap.seqPanel.seqCanvas.getFeatureRenderer(); // consider
                                                                      // higher