X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Futil%2FComparison.java;h=9f6b96c1c712c818f531140c6e627af048f3bfd4;hb=8e17da7d229e2cebf187a8b14a1d3f59c3f13774;hp=4acf6a2b37b6b02ef2cf5cc4c71b1de36e8dbb74;hpb=cb251c31c3d312d85d5374ee702182c297252692;p=jalview.git

diff --git a/src/jalview/util/Comparison.java b/src/jalview/util/Comparison.java
index 4acf6a2..9f6b96c 100644
--- a/src/jalview/util/Comparison.java
+++ b/src/jalview/util/Comparison.java
@@ -415,4 +415,29 @@ public class Comparison
             .size()]);
     return isNucleotide(oneDArray);
   }
+
+  /**
+   * Compares two residues either case sensitively or case insensitively
+   * depending on the caseSensitive flag
+   * 
+   * @param c1
+   *          first char
+   * @param c2
+   *          second char to compare with
+   * @param caseSensitive
+   *          if true comparison will be case sensitive otherwise its not
+   * @return
+   */
+  public static boolean isSameResidue(char c1, char c2,
+          boolean caseSensitive)
+  {
+    if (caseSensitive)
+    {
+      return (c1 == c2);
+    }
+    else
+    {
+      return Character.toUpperCase(c1) == Character.toUpperCase(c2);
+    }
+  }
 }