public Component getTreeCellRendererComponent(JTree tree, Object value,
        boolean sel, boolean expanded, boolean leaf, int row, boolean hasFocus)
{
    super.getTreeCellRendererComponent(tree, value, sel, expanded, leaf, row, hasFocus);

    if (value instanceof DefaultMutableTreeNode)
    {
        value = ((DefaultMutableTreeNode) value).getUserObject();
    }

    if (value instanceof DTOObjectwithAttributes)
    {
        DTOObjectwithAttributes obj = (DTOObjectwithAttributes) value;

        if (obj.isFolder){
            this.setIcon(new ImageIcon("/EqGenerator/image/folder16.png"));
            this.setText(obj.Attributs);
        }else if (obj.isXor){
            this.setIcon(new ImageIcon("/EqGenerator/image/xorGate16.png"));
            this.setText(obj.Attributs);
        }
    }
    return this;
}

public class DTOObjectwithAttributes
{
    /**
     * Paramètres
     */

    boolean isFolder;
    boolean isXor;
    String Attributs;


    /**
     * Constructeurs
     * @param n2
     * @param attributs
     * @param isOrange
     */
    protected DTOObjectwithAttributes(boolean isFolder,boolean isXor,  String attributs){

        super();
        this.Attributs = attributs;
        this.isFolder=isFolder;
        this.isXor=isXor;
    }

    public String toString() {
        return this.Attributs;

    }

}