Merge branch 'develop' into bug/JAL-2255_seq-fetcher-broken-on-linux

[jalview.git] / src / jalview / datamodel / AlignmentAnnotation.java

diff --git a/src/jalview/datamodel/AlignmentAnnotation.java b/src/jalview/datamodel/AlignmentAnnotation.java
index 05688cb..6117baf 100755 (executable)
--- a/src/jalview/datamodel/AlignmentAnnotation.java
+++ b/src/jalview/datamodel/AlignmentAnnotation.java
@@ -20,10 +20,6 @@
  */
 package jalview.datamodel;
 
-import jalview.analysis.Rna;
-import jalview.analysis.SecStrConsensus.SimpleBP;
-import jalview.analysis.WUSSParseException;
-
 import java.util.Collection;
 import java.util.Collections;
 import java.util.HashMap;
@@ -32,6 +28,10 @@ import java.util.List;
 import java.util.Map;
 import java.util.Map.Entry;
 
+import jalview.analysis.Rna;
+import jalview.analysis.SecStrConsensus.SimpleBP;
+import jalview.analysis.WUSSParseException;
+
 /**
  * DOCUMENT ME!
  * 
@@ -170,10 +170,14 @@ public class AlignmentAnnotation
    */
   private Map<Integer, Annotation> sequenceMapping;
 
-  /** DOCUMENT ME!! */
+  /**
+   * lower range for quantitative data
+   */
   public float graphMin;
 
-  /** DOCUMENT ME!! */
+  /**
+   * Upper range for quantitative data
+   */
   public float graphMax;
 
   /**
@@ -863,6 +867,10 @@ public class AlignmentAnnotation
   @Override
   public String toString()
   {
+    if (annotations == null)
+    {
+      return "";
+    }
     StringBuilder buffer = new StringBuilder(256);
 
     for (int i = 0; i < annotations.length; i++)