public JCRSList() { // obtain the factory only for epsg codes // String authority = "EPSG"; // this.factory = FallbackAuthorityFactory.create(CRSAuthorityFactory.class, // filter(AuthorityFactoryFinder.getCRSAuthorityFactories(null), authority)); this.factory = CRS.getAuthorityFactory(Boolean.FALSE); try { this.codeList = new CodeList(factory, CoordinateReferenceSystem.class); liste.setModel(codeList); } catch (FactoryException e) { e.printStackTrace(); } liste.getSelectionModel().setSelectionMode(liste.getSelectionModel().SINGLE_SELECTION); setLayout(new GridLayout()); add(BorderLayout.CENTER, new JScrollPane(liste)); liste .getSelectionModel() .addListSelectionListener( new ListSelectionListener() { @Override public void valueChanged(ListSelectionEvent e) { int index = e.getFirstIndex(); if (index >= 0) { try { selectedCRS = (CoordinateReferenceSystem) getSelectedItem(); } catch (FactoryException ex) { ex.printStackTrace(); } } } }); }