question: public void beginDisplay ( DisplayEvent event ) throws ModelControlException { super . beginDisplay ( event ) ; PWResetUserValidationModel model = ( PWResetUserValidationModel ) getModel ( ) ; if ( model . isValidRealm ( ) ) { String orgDN = ( String ) getPageSessionAttribute ( ORG_DN ) ; String userAttr = model . getUserAttr ( orgDN ) ; HiddenField hf = ( HiddenField ) getChild ( FLD_USER_ATTR ) ; hf . setValue ( userAttr ) ; setDisplayFieldValue ( USER_VALIDATION_TITLE , model . getUserValidateTitleString ( ) ) ; setDisplayFieldValue ( LBL_USER_ATTR , model . getLocalizedStrForAttr ( userAttr ) ) ; setDisplayFieldValue ( NEXT_BUTTON , model . getNextBtnLabel ( ) ) ; String userAttrValue = ( String ) getPageSessionAttribute ( USER_ATTR_VALUE ) ; if ( userAttrValue != null && userAttrValue . length ( ) > 0 ) { setDisplayFieldValue ( TF_USER_ATTR , userAttrValue ) ; removePageSessionAttribute ( USER_ATTR_VALUE ) ; } } }
target:  Set the required information to display the page.