How to hightlight the text in a component which is not derived from JTextCo

I have a swing componet, but it is not JTextComponent. I need to highlight the text in that compont when it gets the focus. How do I do that? Thanks,

Methods inherited from class versata.vfc.VSChoiceBase ::
addChoiceListener, addMissingChar, displayText, focusGained, focusLost, getBackground, getCodeTable, getDataFieldName, getDataFieldNumber, getDataSource, getDataSourceName, getDisabledForeground, getDisplayedText, getForeground, getForm, getFormat, getFormatter, getHelpURL, getMetaColumn, getNextFocusableComponent, getStatusText, getTabOrder, getTabStop, getTag, getTextComponent, getToolTip, grabFocus, initializeControl, isAllowMultipleValue, isDataDirty, isEditable, isFocusTraversable, isManagingFocus, keyReleased, keyTyped, mouseClicked, mouseDragged, mouseEntered, mouseExited, mouseMoved, mousePressed, mouseReleased, paintComponent, postEvent, processEvent, removeChoiceListener, requestFocus, reshape, setAllowMultipleValue, setBackground, setCodeTable, setDataDirty, setDataFieldName, setDataFieldNumber, setDataSource, setDataSourceName, setDisabledForeground, setEditable, setEnabled, setFont, setForeground, setFormat, setFormatter, setHelpURL, setNextFocusableComponent, setStatusText, setTabOrder, setTabStop, setTag, setToolTip, setToolTipText
Methods in VSPickChoice
afterFormInitialize, afterPickFill, beforePickFill, CurrentComponentChanged, CurrentDataControlChanged, dataChanged, getDisplayMode, getPick, getPickName, getQueryText, getText, hasPick, hideChoiceWindow, keyPressed, queryModeChanged, setDisplayMode, setPick, setPick, setPickName, setText, updateNotify

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