JAL-2598 Sequence.getSequence return a copy of the char array

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

diff --git a/src/jalview/datamodel/AlignedCodonFrame.java b/src/jalview/datamodel/AlignedCodonFrame.java
index 4fbfd62..54f41f8 100644 (file)
--- a/src/jalview/datamodel/AlignedCodonFrame.java
+++ b/src/jalview/datamodel/AlignedCodonFrame.java
@@ -504,10 +504,11 @@ public class AlignedCodonFrame
          * Read off the mapped nucleotides (converting to position base 0)
          */
         codonPos = MappingUtils.flattenRanges(codonPos);
-        char[] dna = dnaSeq.getSequence();
         int start = dnaSeq.getStart();
-        result.add(new char[] { dna[codonPos[0] - start],
-            dna[codonPos[1] - start], dna[codonPos[2] - start] });
+        char c1 = dnaSeq.getCharAt(codonPos[0] - start);
+        char c2 = dnaSeq.getCharAt(codonPos[1] - start);
+        char c3 = dnaSeq.getCharAt(codonPos[2] - start);
+        result.add(new char[] { c1, c2, c3 });
       }
     }
     return result.isEmpty() ? null : result;