X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;ds=inline;f=src%2Fjalview%2Futil%2FComparison.java;h=1326647f26e737edb5d63f7f635486e38c51b998;hb=a8362b85de4f21440433bc9385bd9b3a24354532;hp=0beb45bcefca1ad9319236dac9d93bd18af68636;hpb=37de9310bec3501cbc6381e0c3dcb282fcaad812;p=jalview.git

diff --git a/src/jalview/util/Comparison.java b/src/jalview/util/Comparison.java
index 0beb45b..1326647 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);
+    }
+  }
 }