feat: Add StringUtils.datetoString() and Utils.silentSleep() methods.

kenetre-core/src/main/java/fr/ens/biologie/genomique/kenetre/util/StringUtils.java

@@ -33,6 +33,9 @@
 import java.net.URI;
 import java.net.URISyntaxException;
 import java.security.MessageDigest;
+import java.time.Instant;
+import java.time.ZoneId;
+import java.time.format.DateTimeFormatter;
 import java.util.ArrayList;
 import java.util.Calendar;
 import java.util.Collection;
@@ -1278,6 +1281,29 @@ public static int compare(String s1, String s2) {
     return s1.compareTo(s2);
   }
 
+  /**
+   * Convert epoch date to String like the Date.toString().
+   *
+   * @param millis number of milliseconds since the epoch
+   * @return a String with the date
+   */
+  public static final String datetoString(long millis) {
+
+    return Instant.ofEpochMilli(millis)
+        .atZone(ZoneId.systemDefault())
+        .format(DateTimeFormatter.ofPattern("EEE MMM dd HH:mm:ss zzz yyyy", Locale.ENGLISH));
+  }
+
+  /**
+   * Convert the current date to String like the Date.toString().
+   *
+   * @return a String with the date
+   */
+  public static final String datetoString() {
+
+    return datetoString(System.currentTimeMillis());
+  }
+
   //
   // Constructor
   //

kenetre-core/src/main/java/fr/ens/biologie/genomique/kenetre/util/Utils.java

@@ -343,4 +343,18 @@ public static <E> void removeAllNull(Collection<E> collection) {
 
     collection.removeAll(toRemove);
   }
+
+  /**
+   * Sleep several milliseconds without throwing an exception.
+   *
+   * @param millis milliseconds to sleep
+   */
+  public static final void silentSleep(int millis) {
+
+    try {
+      Thread.sleep(millis);
+    } catch (InterruptedException e) {
+      // Do not handle interruption exception
+    }
+  }
 }