void () { final PropertiesComponent propertiesComponent = PropertiesComponent.getInstance(); final String history = propertiesComponent.getValue(myPropertyName); if (history != null) { final String[] items = history.split("\n"); ArrayList<String> result = new ArrayList<>(); for (String item : items) { if (item != null && !item.isEmpty()) { result.add(item); } } setHistory(result); setSelectedItem(""); } }