X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fio%2FJalviewFileView.java;h=a9fc7ed9de804bb4edab771f0d03afea5357c98f;hb=5022579ec6cc4eecfabd9df69e0fb039e3186a0a;hp=52d130c3bf69643f355caf1c1a26f41aa98b8a57;hpb=d360dff412aba57c53f05b2d75eec53678cdcd80;p=jalview.git

diff --git a/src/jalview/io/JalviewFileView.java b/src/jalview/io/JalviewFileView.java
index 52d130c..a9fc7ed 100755
--- a/src/jalview/io/JalviewFileView.java
+++ b/src/jalview/io/JalviewFileView.java
@@ -20,6 +20,8 @@
  */
 package jalview.io;
 
+import java.util.Locale;
+
 import jalview.util.MessageManager;
 
 import java.io.File;
@@ -47,9 +49,8 @@ public class JalviewFileView extends FileView
       String exts = ff.getExtensions();
       for (String ext : exts.split(","))
       {
-        ext = ext.trim().toLowerCase();
-        extensions.put(ext,
-                desc + ("jar".equals(ext) ? " (old)" : ""));
+        ext = ext.trim().toLowerCase(Locale.ROOT);
+        extensions.put(ext, desc + ("jar".equals(ext) ? " (old)" : ""));
       }
     }
   }
@@ -58,9 +59,9 @@ public class JalviewFileView extends FileView
   public String getTypeDescription(File f)
   {
     String extension = getExtension(f);
-    
+
     String type = getDescriptionForExtension(extension);
-    
+
     if (extension != null)
     {
       if (extensions.containsKey(extension))
@@ -136,7 +137,7 @@ public class JalviewFileView extends FileView
 
     if ((i > 0) && (i < (s.length() - 1)))
     {
-      ext = s.substring(i + 1).toLowerCase();
+      ext = s.substring(i + 1).toLowerCase(Locale.ROOT);
     }
 
     return ext;