How to customize a JTextField as CellEditor for a JTable?

Hi, I want select all the text (for overwriting) which is already in the table cell.
I had tried to extend AbstractCellEditor (or DefaultTableCellRenderer) and implemented TableCellEditor .
In the method:
public Component getTableCellEditorComponent(JTable table,
Object value,
boolean isSelected,
int row,
int column)
I tried to call selectAll() on my JTextField but nothing had happen.
I also tried to set the value before (instanceof Stirng).
Any help appreciated.
Greetings Michael

This posting shows one possible solution:
http://forum.java.sun.com/thread.jspa?forumID=57&threadID=580410

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