Merge branch 'develop' into releases/Release_2_11_2_Branch

[jalview.git] / src / jalview / util / CaseInsensitiveString.java

diff --git a/src/jalview/util/CaseInsensitiveString.java b/src/jalview/util/CaseInsensitiveString.java
index aa42228..536671d 100644 (file)
--- a/src/jalview/util/CaseInsensitiveString.java
+++ b/src/jalview/util/CaseInsensitiveString.java
@@ -1,3 +1,23 @@
+/*
+ * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
+ * Copyright (C) $$Year-Rel$$ The Jalview Authors
+ * 
+ * This file is part of Jalview.
+ * 
+ * Jalview is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License 
+ * as published by the Free Software Foundation, either version 3
+ * of the License, or (at your option) any later version.
+ *  
+ * Jalview is distributed in the hope that it will be useful, but 
+ * WITHOUT ANY WARRANTY; without even the implied warranty 
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
+ * PURPOSE.  See the GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with Jalview.  If not, see <http://www.gnu.org/licenses/>.
+ * The Jalview Authors are detailed in the 'AUTHORS' file.
+ */
 package jalview.util;
 
 /**
@@ -5,6 +25,8 @@ package jalview.util;
  * want to preserve case, but do not want to duplicate upper and lower case
  * variants
  */
+import java.util.Locale;
+
 public final class CaseInsensitiveString
 {
   String value;
@@ -51,7 +73,7 @@ public final class CaseInsensitiveString
   @Override
   public int hashCode()
   {
-    return value == null ? super.hashCode() : value.toUpperCase()
-            .hashCode();
+    return value == null ? super.hashCode()
+            : value.toUpperCase(Locale.ROOT).hashCode();
   }
 }