InputContext.getInputMethodControlObject() doesn't return an Object in situation

After using the user interface to select an input method, an Object can't be gotten with InputContext.getInputMethodControlObject().

reproduce:
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1. get attachmenet: bug4263293.java & TestIM.jar
2. compile bug4263293.java
3. copy TestIM.jar to JAVA_HOME/jre/lib/ext
4. launch bug4263293
5. use the user interface to select an Input method with an locale
6. go to "View" menu and click "Show Current Input Context"
7. then InputContext.getInputMethodControlObjuct() doesn't return the control object from this input method(shouldn't be null, should be a String responding the current IM)
Also, InputContext.getLocale() doesn't return the current input locale too.
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shuna.wu@eng 1999-08-23