v0.2.54..v0.2.55 changeset DateTimeUtils.h

diff --git a/hoot-core/src/main/cpp/hoot/core/util/DateTimeUtils.h b/hoot-core/src/main/cpp/hoot/core/util/DateTimeUtils.h
new file mode 100644
index 0000000..5ae754d
--- /dev/null
+++ b/hoot-core/src/main/cpp/hoot/core/util/DateTimeUtils.h
@@ -0,0 +1,70 @@
+/*
+ * This file is part of Hootenanny.
+ *
+ * Hootenanny is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * --------------------------------------------------------------------
+ *
+ * The following copyright notices are generated automatically. If you
+ * have a new notice to add, please use the format:
+ * " * @copyright Copyright ..."
+ * This will properly maintain the copyright information. DigitalGlobe
+ * copyrights will be updated automatically.
+ *
+ * @copyright Copyright (C) 2020 DigitalGlobe (http://www.digitalglobe.com/)
+ */
+
+#ifndef DATE_TIME_UTILS_H
+#define DATE_TIME_UTILS_H
+
+// Qt
+#include <QString>
+
+namespace hoot
+{
+
+/**
+ * Utilities for date/time manipulation
+ */
+class DateTimeUtils
+{
+
+public:
+
+  /**
+    Converts a 64-bit unsigned int timestamp (seconds from epoch) to a QString (utc zulu)
+
+    @param timestamp quint64 time encoding in seconds from the epoch (1970-01-01T00:00:00Z)
+    */
+  static QString toTimeString(quint64 timestamp);
+
+  /**
+    Converts a utc zulu timestamp to time since the epoch in seconds.
+
+    @param timestamp in utc zulu string to be convered to seconds from the epoch
+           (1970-01-01 00:00:00)
+    */
+  static quint64 fromTimeString(QString timestamp);
+
+  /**
+   * Returns a time string for the current time
+   *
+   * @return
+   */
+  static QString currentTimeAsString();
+};
+
+}
+
+#endif // COLLECTION_UTILS_H