IO-149 Make FilenameUtils.EXTENSION_SEPARATOR public - proposed by Gary Gregory

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/io/trunk@609870 13f79535-47bb-0310-9956-ffa450edef68

Author: Niall Pemberton

RELEASE-NOTES.txt

@@ -47,6 +47,9 @@ Enhancements from 1.3.2
 - FileUtils
   - Add a deleteQuietly method [IO-135]
 
+- FilenameUtils
+  - Add file name extension separator constants[IO-149]
+
 - IOExceptionWithCause [IO-148]
   - Add a new IOException implementation with constructors which take a cause
 

src/java/org/apache/commons/io/FilenameUtils.java

@@ -94,8 +94,15 @@ public class FilenameUtils {
 
     /**
      * The extension separator character.
+     * @since Commons IO 1.4
      */
-    private static final char EXTENSION_SEPARATOR = '.';
+    public static final char EXTENSION_SEPARATOR = '.';
+
+    /**
+     * The extension separator String.
+     * @since Commons IO 1.4
+     */
+    public static final String EXTENSION_SEPARATOR_STR = (new Character(EXTENSION_SEPARATOR)).toString();
 
     /**
      * The Unix separator character.