private static void parseCurrencyNode(final XMLStreamReader reader) {
Map<String, String> elementMap = new HashMap<>();
/* still at start of the element. Need to know when end is reached */
QName parsingElement = reader.getName();
try {
while (reader.hasNext()) {
int event = reader.next();
switch (event) {
case XMLStreamConstants.START_ELEMENT:
String element = reader.getLocalName();
elementMap.put(element, reader.getElementText());
break;
case XMLStreamConstants.END_ELEMENT:
if (reader.getName().equals(parsingElement)) {
logger.finest("Found the end of a CurrencyNode");
Engine engine = EngineFactory.getEngine(EngineFactory.DEFAULT);
if (engine.getCurrency(elementMap.get("symbol")) == null) {
CurrencyNode node = new CurrencyNode();
node.setSymbol(elementMap.get("symbol"));
node.setDescription(elementMap.get("description"));
node.setPrefix(elementMap.get("prefix"));
node.setSuffix(elementMap.get("suffix"));
node.setScale(Byte.parseByte(elementMap.get("scale")));
engine.addCurrency(node);
}
return;
}
break;
default:
break;
}
}
} catch (XMLStreamException e) {
logger.log(Level.SEVERE, e.toString(), e);
}
}
public static void doImport(final String filename) {
Import imp = new Import();
XMLInputFactory inputFactory = XMLInputFactory.newInstance();
try {
Engine engine = EngineFactory.getEngine(EngineFactory.DEFAULT);
CurrencyNode defaultCurrency = DefaultCurrencies.getDefault();
if (engine.getCurrency(defaultCurrency.getSymbol()) == null) {
engine.addCurrency(defaultCurrency);
engine.setDefaultCurrency(defaultCurrency);
}
/* read commodity data first */
try (InputStream input = new BufferedInputStream(new FileInputStream(new File(filename)))) {
XMLStreamReader reader = inputFactory.createXMLStreamReader(input, "UTF-8");
imp.importCommodities(reader);
reader.close();
}
/* Run commodity generation cleanup threads */
ExecutorService es = Executors.newSingleThreadExecutor();
for (Iterator<Runnable> i = workQueue.iterator(); i.hasNext(); ) {
es.execute(i.next());
i.remove();
}
es.shutdown(); // shutdown after threads are complete
while (!es.isTerminated()) {
imp.getLogger().info("Waiting for commodity cleanup threads to complete");
try {
es.awaitTermination(2, TimeUnit.SECONDS);
} catch (InterruptedException e) {
imp.getLogger().log(Level.SEVERE, e.toString(), e);
}
}
imp.getLogger().info("Commodity cleanup threads complete");
/* read account data first */
try (InputStream input = new BufferedInputStream(new FileInputStream(new File(filename)))) {
XMLStreamReader reader = inputFactory.createXMLStreamReader(input, "UTF-8");
imp.importAccounts(reader);
reader.close();
}
imp.getLogger().info("Running account cleanup threads");
/* Run account generation cleanup threads */
es = Executors.newSingleThreadExecutor();
for (Iterator<Runnable> i = workQueue.iterator(); i.hasNext(); ) {
es.execute(i.next());
i.remove();
}
es.shutdown(); // shutdown after threads are complete
while (!es.isTerminated()) {
imp.getLogger().info("Waiting for account cleanup threads to complete");
try {
es.awaitTermination(2, TimeUnit.SECONDS);
} catch (InterruptedException e) {
imp.getLogger().log(Level.SEVERE, e.toString(), e);
}
}
imp.getLogger().info("Account cleanup threads complete");
/* import transactions */
try (InputStream input = new BufferedInputStream(new FileInputStream(new File(filename)))) {
XMLStreamReader reader = inputFactory.createXMLStreamReader(input, "UTF-8");
imp.importTransactions(reader);
reader.close();
}
/* Lock accounts after transactions have been added */
imp.lockAccounts();
} catch (XMLStreamException | IOException e) {
imp.getLogger().log(Level.SEVERE, e.toString(), e);
}
}