X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fdatamodel%2FSequence.java;h=7df3eaf5c7c1dd18cc0be284cab4cf8634bf9991;hb=d587f1aa61946dc14f6f089cf1dc2a3116cfb773;hp=e2fc057ed5947fefd2574623d9479554a55d33f3;hpb=582d39cb05dfbb5f956f74d4a97a17d9f63b0786;p=jalview.git

diff --git a/src/jalview/datamodel/Sequence.java b/src/jalview/datamodel/Sequence.java
index e2fc057..7df3eaf 100755
--- a/src/jalview/datamodel/Sequence.java
+++ b/src/jalview/datamodel/Sequence.java
@@ -621,9 +621,18 @@ public class Sequence implements SequenceI
     if (dbrefs == null)
       dbrefs = new DBRefEntry[0];
 
-    DBRefEntry[] temp = new DBRefEntry[dbrefs.length + 1];
-    System.arraycopy(dbrefs, 0, temp, 0, dbrefs.length);
+    int i, iSize = dbrefs.length;
 
+    for(i=0; i<iSize; i++)
+      if(dbrefs[i].getAccessionId().equals(entry.getAccessionId())
+      && dbrefs[i].getSource().equals(entry.getSource())
+      && dbrefs[i].getVersion().equals(entry.getVersion()))
+      {
+        return;
+      }
+
+    DBRefEntry[] temp = new DBRefEntry[iSize + 1];
+    System.arraycopy(dbrefs, 0, temp, 0, iSize);
     temp[temp.length - 1] = entry;
 
     dbrefs = temp;