@Override
                public void characters(char ch[], int start, int length) throws SAXException {
                    String currentContent = new String(ch, start, length);

                    if (exchangeRateFound) {
                        if (currentCurrency.equalsIgnoreCase(currency)) {
                            exchangeRate = Double.parseDouble(currentContent);
                        }
                        exchangeRateFound = false;
                    }

                    if (foundCurrency) {
                        currentCurrency = currentContent;

                        foundCurrency = false;
                    }
                }