List of usage examples for java.io Reader close
public abstract void close() throws IOException;
From source file:de.schildbach.wallet.elysium.ExchangeRatesProvider.java
private static Map<String, ExchangeRate> getElysiumCharts() { final Map<String, ExchangeRate> rates = new TreeMap<String, ExchangeRate>(); // Keep the BTC rate around for a bit Double btcRate = 0.0;/* w w w . ja va2 s . co m*/ try { String currencies[] = { "USD", "BTC", "RUR" }; String urls[] = { "https://btc-e.com/api/2/14/ticker", "https://btc-e.com/api/2/10/ticker", "https://btc-e.com/api/2/elsm_rur/ticker" }; for (int i = 0; i < currencies.length; ++i) { final String currencyCode = currencies[i]; final URL URL = new URL(urls[i]); final URLConnection connection = URL.openConnection(); connection.setConnectTimeout(TIMEOUT_MS); connection.setReadTimeout(TIMEOUT_MS); connection.connect(); final StringBuilder content = new StringBuilder(); Reader reader = null; try { reader = new InputStreamReader(new BufferedInputStream(connection.getInputStream(), 1024)); IOUtils.copy(reader, content); final JSONObject head = new JSONObject(content.toString()); JSONObject ticker = head.getJSONObject("ticker"); Double avg = ticker.getDouble("avg"); String euros = String.format("%.4f", avg); // Fix things like 3,1250 euros = euros.replace(",", "."); rates.put(currencyCode, new ExchangeRate(currencyCode, Utils.toNanoCoins(euros), URL.getHost())); if (currencyCode.equalsIgnoreCase("BTC")) btcRate = avg; } finally { if (reader != null) reader.close(); } } // Handle ELSM/EUR special since we have to do maths final URL URL = new URL("https://btc-e.com/api/2/btc_eur/ticker"); final URLConnection connection = URL.openConnection(); connection.setConnectTimeout(TIMEOUT_MS); connection.setReadTimeout(TIMEOUT_MS); connection.connect(); final StringBuilder content = new StringBuilder(); Reader reader = null; try { reader = new InputStreamReader(new BufferedInputStream(connection.getInputStream(), 1024)); IOUtils.copy(reader, content); final JSONObject head = new JSONObject(content.toString()); JSONObject ticker = head.getJSONObject("ticker"); Double avg = ticker.getDouble("avg"); // This is elysiums priced in euros. We want ELSM! avg *= btcRate; String s_avg = String.format("%.4f", avg).replace(',', '.'); rates.put("EUR", new ExchangeRate("EUR", Utils.toNanoCoins(s_avg), URL.getHost())); } finally { if (reader != null) reader.close(); } return rates; } catch (final IOException x) { x.printStackTrace(); } catch (final JSONException x) { x.printStackTrace(); } return null; }
From source file:edu.cornell.mannlib.vitro.webapp.config.RevisionInfoSetup.java
private void closeReader(Reader reader) { if (reader != null) { try {// w w w . ja v a 2 s . c o m reader.close(); } catch (IOException e) { e.printStackTrace(); } } }
From source file:name.martingeisse.webide.features.java.compiler.classpath.ReadOnlyRegularFileObject.java
@Override public CharSequence getCharContent(final boolean ignoreEncodingErrors) throws IOException { final Reader r = openReader(ignoreEncodingErrors); final String content = IOUtils.toString(r); r.close(); return content; }
From source file:name.martingeisse.webide.features.java.compiler.classpath.JarFileObject.java
@Override public CharSequence getCharContent(final boolean ignoreEncodingErrors) throws IOException { Reader r = openReader(ignoreEncodingErrors); String content = IOUtils.toString(r); r.close(); return content; }
From source file:com.cloudera.cdk.morphline.metrics.servlets.HttpMetricsMorphlineTest.java
private String httpGet(int port, String path) throws IOException { URL url = new URL("http://localhost:" + port + path); URLConnection conn = url.openConnection(); Reader reader = new InputStreamReader(conn.getInputStream()); String response = CharStreams.toString(reader); reader.close(); return response; }
From source file:co.id.app.sys.util.StringUtils.java
/** * Close the given reader and ignore any exceptions thrown. * * @param reader the reader to close./*from w w w.j a v a2s .co m*/ */ public static void close(Reader reader) { if (reader != null) { try { reader.close(); } catch (IOException ioe) { // Ignore } } }
From source file:UnpackedJarFile.java
public static void close(Reader thing) { if (thing != null) { try {// ww w . j ava 2 s .co m thing.close(); } catch (Exception ignored) { } } }
From source file:com.bstek.dorado.core.xml.XercesXmlDocumentBuilder.java
public Document loadDocument(Resource resource, String charset) throws Exception { if (logger.isDebugEnabled()) { logger.debug("Loading XML from " + resource); }/*from www . jav a 2 s .com*/ if (StringUtils.isEmpty(charset)) { charset = Constants.DEFAULT_CHARSET; } InputStream in = resource.getInputStream(); Reader reader = new InputStreamReader(in, charset); try { return getDocumentBuilder().parse(new InputSource(reader)); } finally { reader.close(); in.close(); } }
From source file:com.google.mr4c.content.AbstractContentFactory.java
public void readContent(URI uri, Writer writer) throws IOException { Reader reader = readContentAsReader(uri); try {/* w ww .ja v a2s . c o m*/ IOUtils.copy(reader, writer); } finally { reader.close(); } }
From source file:com.cannabiscoin.wallet.ExchangeRatesProvider.java
private static Object getCoinValueBTC_BTER() { Date date = new Date(); long now = date.getTime(); //final Map<String, ExchangeRate> rates = new TreeMap<String, ExchangeRate>(); // Keep the LTC rate around for a bit Double btcRate = 0.0;// w w w . j a v a2 s. c om String currency = CoinDefinition.cryptsyMarketCurrency; String url = "https://bittrex.com/api/v1.1/public/getticker?market=BTC-CANN"; HttpURLConnection connection = null; try { // final String currencyCode = currencies[i]; final URL URL_bter = new URL(url); connection = (HttpURLConnection) URL_bter.openConnection(); connection.setConnectTimeout(Constants.HTTP_TIMEOUT_MS * 2); connection.setReadTimeout(Constants.HTTP_TIMEOUT_MS * 2); connection.connect(); final StringBuilder content = new StringBuilder(); Reader reader = null; try { reader = new InputStreamReader(new BufferedInputStream(connection.getInputStream(), 1024)); Io.copy(reader, content); final JSONObject head = new JSONObject(content.toString()); String result = head.getString("result"); if (result.equals("true")) { Double averageTrade = head.getDouble("Bid"); if (currency.equalsIgnoreCase("BTC")) btcRate = averageTrade; } } finally { if (reader != null) { try { reader.close(); } catch (final IOException x) { // swallow } } } return btcRate; } catch (final IOException x) { x.printStackTrace(); } catch (final JSONException x) { x.printStackTrace(); } finally { if (connection != null) connection.disconnect(); } return null; }