JAL-3691 automatic insertion of Locale.ROOT to toUpperCase() and toLowerCase() and...

[jalview.git] / src / jalview / io / JalviewFileFilter.java

diff --git a/src/jalview/io/JalviewFileFilter.java b/src/jalview/io/JalviewFileFilter.java
index bc20342..28dd2eb 100755 (executable)
--- a/src/jalview/io/JalviewFileFilter.java
+++ b/src/jalview/io/JalviewFileFilter.java
@@ -20,6 +20,8 @@
  */
 package jalview.io;
 
+import java.util.Locale;
+
 import java.io.File;
 import java.util.Hashtable;
 import java.util.Iterator;
@@ -134,7 +136,7 @@ public class JalviewFileFilter extends FileFilter
 
       if ((i > 0) && (i < (filename.length() - 1)))
       {
-        return filename.substring(i + 1).toLowerCase();
+        return filename.substring(i + 1).toLowerCase(Locale.ROOT);
       }
 
       ;
@@ -150,7 +152,7 @@ public class JalviewFileFilter extends FileFilter
       filters = new LinkedHashMap<>(5);
     }
 
-    filters.put(extension.toLowerCase(), this);
+    filters.put(extension.toLowerCase(Locale.ROOT), this);
     fullDescription = null;
   }