_conversationTableModel.setUrl(_treeURL);
_conversationModel.setUrl(_treeURL);
            public void valueChanged(TreeSelectionEvent e) {                TreePath selection = urlTree.getSelectionPath();                _treeURL = null;                if (selection != null) {                    Object o = selection.getLastPathComponent();                    if (o instanceof HttpUrl) {                        _treeURL = (HttpUrl) o;                    }                }                if (treeCheckBox.isSelected()) {                    _conversationTableModel.setUrl(_treeURL);                }                synchronized (_urlActions) {                    for (int i=0; i<_urlActions.size(); i++) {                        AbstractAction action = (AbstractAction) _urlActions.get(i);                        action.putValue("URL", _treeURL);                    }                }            }