@Override
public void parse() {
if (Constants.MIMETYPE_PAYMENTREQUEST.equals(inputType)) {
ByteArrayOutputStream baos = null;
try {
baos = new ByteArrayOutputStream();
Io.copy(is, baos);
parseAndHandlePaymentRequest(baos.toByteArray());
} catch (final IOException x) {
log.info("i/o error while fetching payment request", x);
error(R.string.input_parser_io_error, x.getMessage());
} catch (final PkiVerificationException x) {
log.info("got unverifyable payment request", x);
error(R.string.input_parser_unverifyable_paymentrequest, x.getMessage());
} catch (final PaymentRequestException x) {
log.info("got invalid payment request", x);
error(R.string.input_parser_invalid_paymentrequest, x.getMessage());
} finally {
try {
if (baos != null) baos.close();
} catch (IOException x) {
x.printStackTrace();
}
try {
is.close();
} catch (IOException x) {
x.printStackTrace();
}
}
} else {
cannotClassify(inputType);
}
}
private static float requestDogeBtcConversion(int provider) {
HttpURLConnection connection = null;
Reader reader = null;
URL providerUrl;
switch (provider) {
case 0:
providerUrl = DOGEPOOL_URL;
break;
case 1:
providerUrl = VIRCUREX_URL;
break;
default:
providerUrl = DOGEPOOL_URL;
break;
}
try {
connection = (HttpURLConnection) providerUrl.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);
try {
float rate;
switch (provider) {
case 0:
/*rate = Float.parseFloat(
json.getJSONObject("return")
.getJSONObject("markets")
.getJSONObject("DOGE")
.getString("lasttradeprice"));*/
// For later use.
rate = Float.parseFloat(content.toString());
break;
case 1:
final JSONObject json = new JSONObject(content.toString());
rate = Float.parseFloat(json.getString("value"));
break;
default:
return -1;
}
return rate;
} catch (NumberFormatException e) {
log.debug(
"Couldn't get the current exchnage rate from provider " + String.valueOf(provider));
return -1;
}
} else {
log.debug("http status " + responseCode + " when fetching " + providerUrl);
}
} catch (final Exception x) {
log.debug("problem reading exchange rates", x);
} finally {
if (reader != null) {
try {
reader.close();
} catch (final IOException x) {
// swallow
}
}
if (connection != null) connection.disconnect();
}
return -1;
}
private static Map<String, ExchangeRate> requestExchangeRates(
final URL url,
float dogeBtcConversion,
final String userAgent,
final String source,
final String... fields) {
final long start = System.currentTimeMillis();
HttpURLConnection connection = null;
Reader reader = null;
try {
connection = (HttpURLConnection) url.openConnection();
connection.setInstanceFollowRedirects(false);
connection.setConnectTimeout(Constants.HTTP_TIMEOUT_MS);
connection.setReadTimeout(Constants.HTTP_TIMEOUT_MS);
connection.addRequestProperty("User-Agent", userAgent);
connection.addRequestProperty("Accept-Encoding", "gzip");
connection.connect();
final int responseCode = connection.getResponseCode();
if (responseCode == HttpURLConnection.HTTP_OK) {
final String contentEncoding = connection.getContentEncoding();
InputStream is = new BufferedInputStream(connection.getInputStream(), 1024);
if ("gzip".equalsIgnoreCase(contentEncoding)) is = new GZIPInputStream(is);
reader = new InputStreamReader(is, Constants.UTF_8);
final StringBuilder content = new StringBuilder();
final long length = 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 rate = o.optString(field, null);
if (rate != null) {
try {
BigDecimal btcRate = new BigDecimal(GenericUtils.toNanoCoins(rate, 0));
BigInteger dogeRate =
btcRate.multiply(BigDecimal.valueOf(dogeBtcConversion)).toBigInteger();
if (dogeRate.signum() > 0) {
rates.put(currencyCode, new ExchangeRate(currencyCode, dogeRate, source));
break;
}
} catch (final ArithmeticException x) {
log.warn(
"problem fetching {} exchange rate from {} ({}): {}",
currencyCode,
url,
contentEncoding,
x.getMessage());
}
}
}
}
}
log.info(
"fetched exchange rates from {} ({}), {} chars, took {} ms",
url,
contentEncoding,
length,
System.currentTimeMillis() - start);
return rates;
} else {
log.warn("http status {} when fetching {}", responseCode, url);
}
} catch (final Exception x) {
log.warn("problem fetching exchange rates from " + url, x);
} finally {
if (reader != null) {
try {
reader.close();
} catch (final IOException x) {
// swallow
}
}
if (connection != null) connection.disconnect();
}
return null;
}
