JAL-3691 toUpperCase(Locale.ROOT) for all standard file format operations

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

diff --git a/src/jalview/io/IdentifyFile.java b/src/jalview/io/IdentifyFile.java
index b312474..003b892 100755 (executable)
--- a/src/jalview/io/IdentifyFile.java
+++ b/src/jalview/io/IdentifyFile.java
@@ -22,6 +22,7 @@ package jalview.io;
 
 import java.io.File;
 import java.io.IOException;
+import java.util.Locale;
 
 /**
  * DOCUMENT ME!
@@ -178,7 +179,7 @@ public class IdentifyFile
             break;
           }
         }
-        data = data.toUpperCase();
+        data = data.toUpperCase(Locale.ROOT);
 
         if (data.startsWith(ScoreMatrixFile.SCOREMATRIX))
         {
@@ -319,7 +320,7 @@ public class IdentifyFile
         if ((lessThan > -1)) // possible Markup Language data i.e HTML,
                              // RNAML, XML
         {
-          String upper = data.toUpperCase();
+          String upper = data.toUpperCase(Locale.ROOT);
           if (upper.substring(lessThan).startsWith("<HTML"))
           {
             reply = FileFormat.Html;