private static Map<String, ExchangeRate> requestExchangeRates(
final URL url, final String... fields) {
final long start = System.currentTimeMillis();
HttpURLConnection connection = null;
Reader reader = null;
try {
connection = (HttpURLConnection) url.openConnection();
connection.setConnectTimeout(Constants.HTTP_TIMEOUT_MS);
connection.setReadTimeout(Constants.HTTP_TIMEOUT_MS);
connection.connect();
final int responseCode = connection.getResponseCode();
if (responseCode == HttpURLConnection.HTTP_OK) {
reader =
new InputStreamReader(
new BufferedInputStream(connection.getInputStream(), 1024), Constants.UTF_8);
final StringBuilder content = new StringBuilder();
Io.copy(reader, content);
final Map<String, ExchangeRate> rates = new TreeMap<String, ExchangeRate>();
final JSONObject head = new JSONObject(content.toString());
for (final Iterator<String> i = head.keys(); i.hasNext(); ) {
final String currencyCode = i.next();
if (!"timestamp".equals(currencyCode)) {
final JSONObject o = head.getJSONObject(currencyCode);
for (final String field : fields) {
final String rateStr = o.optString(field, null);
if (rateStr != null) {
try {
final BigInteger rate = GenericUtils.toNanoCoins(rateStr, 0);
if (rate.signum() > 0) {
rates.put(currencyCode, new ExchangeRate(currencyCode, rate, url.getHost()));
break;
}
} catch (final ArithmeticException x) {
log.warn("problem fetching exchange rate: " + currencyCode, x);
}
}
}
}
}
log.info(
"fetched exchange rates from "
+ url
+ ", took "
+ (System.currentTimeMillis() - start)
+ " ms");
return rates;
} else {
log.warn("http status " + responseCode + " when fetching " + url);
}
} catch (final Exception x) {
log.warn("problem fetching exchange rates", x);
} finally {
if (reader != null) {
try {
reader.close();
} catch (final IOException x) {
// swallow
}
}
if (connection != null) connection.disconnect();
}
return null;
}
@Override
public void onClick(final DialogInterface dialog, final int which) {
final StringBuilder text = new StringBuilder();
final ArrayList<Uri> attachments = new ArrayList<Uri>();
final File cacheDir = context.getCacheDir();
text.append(viewDescription.getText()).append('\n');
try {
text.append("\n\n\n=== application info ===\n\n");
final CharSequence applicationInfo = collectApplicationInfo();
text.append(applicationInfo);
} catch (final IOException x) {
text.append(x.toString()).append('\n');
}
try {
final CharSequence stackTrace = collectStackTrace();
if (stackTrace != null) {
text.append("\n\n\n=== stack trace ===\n\n");
text.append(stackTrace);
}
} catch (final IOException x) {
text.append("\n\n\n=== stack trace ===\n\n");
text.append(x.toString()).append('\n');
}
if (viewCollectDeviceInfo.isChecked()) {
try {
text.append("\n\n\n=== device info ===\n\n");
final CharSequence deviceInfo = collectDeviceInfo();
text.append(deviceInfo);
} catch (final IOException x) {
text.append(x.toString()).append('\n');
}
}
if (viewCollectInstalledPackages.isChecked()) {
try {
text.append("\n\n\n=== installed packages ===\n\n");
CrashReporter.appendInstalledPackages(text, context);
} catch (final IOException x) {
text.append(x.toString()).append('\n');
}
}
if (viewCollectApplicationLog.isChecked()) {
try {
final File logDir = context.getDir("log", Context.MODE_PRIVATE);
for (final File logFile : logDir.listFiles()) {
final String logFileName = logFile.getName();
final File file;
if (logFileName.endsWith(".log.gz"))
file =
File.createTempFile(
logFileName.substring(0, logFileName.length() - 6), ".log.gz", cacheDir);
else if (logFileName.endsWith(".log"))
file =
File.createTempFile(
logFileName.substring(0, logFileName.length() - 3), ".log", cacheDir);
else continue;
final InputStream is = new FileInputStream(logFile);
final OutputStream os = new FileOutputStream(file);
Io.copy(is, os);
os.close();
is.close();
Io.chmod(file, 0777);
attachments.add(Uri.fromFile(file));
}
} catch (final IOException x) {
log.info("problem writing attachment", x);
}
}
if (viewCollectWalletDump.isChecked()) {
try {
final CharSequence walletDump = collectWalletDump();
if (walletDump != null) {
final File file = File.createTempFile("wallet-dump.", ".txt", cacheDir);
final Writer writer = new OutputStreamWriter(new FileOutputStream(file), Charsets.UTF_8);
writer.write(walletDump.toString());
writer.close();
Io.chmod(file, 0777);
attachments.add(Uri.fromFile(file));
}
} catch (final IOException x) {
log.info("problem writing attachment", x);
}
}
if (CrashReporter.hasSavedBackgroundTraces()) {
text.append("\n\n\n=== saved exceptions ===\n\n");
try {
CrashReporter.appendSavedBackgroundTraces(text);
} catch (final IOException x) {
text.append(x.toString()).append('\n');
}
}
text.append("\n\nPUT ADDITIONAL COMMENTS TO THE TOP. DOWN HERE NOBODY WILL NOTICE.");
startSend(subject(), text, attachments);
}