To convert from AWT to AFC, instances of java.awt.event.FocusEvent should be transformed into instances of com.ms.ui.event.UIFocusEvent.
FocusEvent extends AWTEvent: be sure to see its changes.
Some constants in java.awt.event.FocusEvent are not directly supported in com.ms.ui.event.UIFocusEvent. Those constants are listed here.
FOCUS_FIRST
FOCUS_LAST