[bittrex] changed date parsing

xchange-bittrex/src/main/java/org/knowm/xchange/bittrex/v1/BittrexUtils.java

@@ -1,53 +1,35 @@
 package org.knowm.xchange.bittrex.v1;
 
-import java.text.ParseException;
-import java.text.SimpleDateFormat;
+import java.util.Calendar;
 import java.util.Date;
 import java.util.TimeZone;
 
+import javax.xml.bind.DatatypeConverter;
+
 import org.knowm.xchange.currency.CurrencyPair;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 
 /**
  * A central place for shared Bittrex properties
  */
 public final class BittrexUtils {
 
-  private static final Date EPOCH = new Date(0);
-
-  private static final Logger logger = LoggerFactory.getLogger(BittrexUtils.class);
-
-  /**
-   * private Constructor
-   */
-  private BittrexUtils() {
+    private static final String TIMEZONE = "UTC";
 
-  }
+    /**
+     * private Constructor
+     */
+    private BittrexUtils() {
 
-  public static String toPairString(CurrencyPair currencyPair) {
-
-    return currencyPair.counter.getCurrencyCode().toUpperCase() + "-" + currencyPair.base.getCurrencyCode().toUpperCase();
-  }
-
-  public static Date toDate(String datetime) {
-    // Bittrex can truncate the millisecond component of datetime fields (e.g. 2015-12-20T02:07:51.5)  
-    // to the point where if the milliseconds are zero then they are not shown (e.g. 2015-12-26T09:55:23).
+    }
 
-    SimpleDateFormat sdf;
-    if (datetime.length() == 19) {
-      sdf = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss");
-    } else {
-      sdf = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS");
+    public static String toPairString(CurrencyPair currencyPair) {
+        return currencyPair.counter.getCurrencyCode().toUpperCase() + "-" + currencyPair.base.getCurrencyCode().toUpperCase();
     }
-    sdf.setTimeZone(TimeZone.getTimeZone("UTC"));
 
-    try {
-      return sdf.parse(datetime);
-    } catch (ParseException e) {
-      logger.warn("Unable to parse datetime={}", datetime, e);
-      return EPOCH;
+    public static Date toDate(String date) {
+        Calendar cal = DatatypeConverter.parseDateTime(date);
+        cal.setTimeZone(TimeZone.getTimeZone(TIMEZONE));
+        return cal.getTime();
     }
-  }
 
 }