return this.domain;
    }

    /**
     * @param fullName
     *            the fullName to set
     */
    @Override
    public void setFullUNCPath(final String domain, final String server, final String fullName) {
        this.domain = domain;
        this.server = server;
        this.fullName = fullName;
    }

    /**
     * {@inheritDoc}
     *
     * Strips a leading \

   * Data Streams</a>.
   *
   * @since 11.0
   */
  public static String getFileExtension(String fullName) {
    checkNotNull(fullName);
    String fileName = new File(fullName).getName();
    int dotIndex = fileName.lastIndexOf('.');
    return (dotIndex == -1) ? "" : fileName.substring(dotIndex + 1);
  }

  /**

   * Data Streams</a>.
   *
   * @since 11.0
   */
  public static String getFileExtension(String fullName) {
    checkNotNull(fullName);
    String fileName = new File(fullName).getName();
    int dotIndex = fileName.lastIndexOf('.');
    return (dotIndex == -1) ? "" : fileName.substring(dotIndex + 1);
  }

  /**

    void getDfsReferrals_nullName() throws Exception {
        String nullName = null;
        doThrow(new jcifs.CIFSException("invalid dfs name")).when(transport).getDfsReferrals(eq(ctx), isNull(), any(), any(), anyInt());

        assertThrows(jcifs.CIFSException.class, () -> transport.getDfsReferrals(ctx, nullName, "h", "d", 1));
        verify(transport).getDfsReferrals(eq(ctx), isNull(), eq("h"), eq("d"), eq(1));

        assertEquals(100L, mock.length());
    }

    @Nested
    @DisplayName("Edge case values")
    class EdgeCases {

        @Test
        @DisplayName("Null name is allowed via mock")
        void nullName() {
            FileEntry mock = mock(FileEntry.class);
            when(mock.getName()).thenReturn(null);
            assertNull(mock.getName());
        }

        @Test