Add new time formatter tool

src/no/runsafe/framework/tools/TimeFormatter.java

@@ -0,0 +1,114 @@
+package no.runsafe.framework.tools;
+
+import java.time.Duration;
+import java.time.Instant;
+import java.time.ZoneId;
+
+public class TimeFormatter
+{
+	public static String formatDuration(Duration duration)
+	{
+		if (duration == null)
+			return "Invalid Time";
+
+		return formatMillis(duration.toMillis());
+	}
+
+	public static String formatInstant(Instant instant)
+	{
+		if (instant == null)
+			return "Invalid Time";
+
+		return formatMillis(Duration.between(instant, Instant.now()).toMillis());
+	}
+
+	public static String formatDate(Instant date)
+	{
+		if (date == null)
+			return "Invalid Date";
+
+		return date.atZone(ZoneId.systemDefault()).toString().replace("T", " ").substring(0,16);
+	}
+
+	private static String formatMillis(long millis)
+	{
+		if (millis < SECOND_MILLISECONDS)
+			return "Less than one second";
+
+		long millisOriginalValue = millis;
+		String timeReturn = "";
+
+		if (millis >= YEAR_MILLISECONDS) // Years
+		{
+			int years = (int) (millis / YEAR_MILLISECONDS);
+			millis -= (years * YEAR_MILLISECONDS);
+
+			timeReturn += (" " + years + " year");
+			if (years != 1)
+				timeReturn += "s";
+		}
+		if (millis >= MONTH_MILLISECONDS) // Months
+		{
+			int months = (int) (millis / MONTH_MILLISECONDS);
+			millis -= (months * MONTH_MILLISECONDS);
+
+			timeReturn += (" " + months + " month");
+			if (months != 1)
+				timeReturn += "s";
+		}
+		if (millis >= WEEK_MILLISECONDS) // Weeks
+		{
+			int weeks = (int) (millis / WEEK_MILLISECONDS);
+			millis -= (weeks * WEEK_MILLISECONDS);
+
+			timeReturn += (" " + weeks + " week");
+			if (weeks != 1)
+				timeReturn += "s";
+		}
+		if (millis >= DAY_MILLISECONDS) // Days
+		{
+			int days = (int) (millis / DAY_MILLISECONDS);
+			millis -= (days * DAY_MILLISECONDS);
+
+			timeReturn += (" " + days + " day");
+			if (days != 1)
+				timeReturn += "s";
+		}
+		if (millis >= HOUR_MILLISECONDS) // Hours
+		{
+			int hours = (int) (millis / HOUR_MILLISECONDS);
+			millis -= (hours * HOUR_MILLISECONDS);
+
+			timeReturn += (" " + hours + " hour");
+			if (hours != 1)
+				timeReturn += "s";
+		}
+		if (millis >= MINUTE_MILLISECONDS) // Minutes
+		{
+			int minutes = (int) (millis / MINUTE_MILLISECONDS);
+			millis -= (minutes * MINUTE_MILLISECONDS);
+
+			timeReturn += (" " + minutes + " minute");
+			if (minutes != 1)
+				timeReturn += "s";
+		}
+		if (millisOriginalValue < 5 * MINUTE_MILLISECONDS) // Only display seconds if total time is less than 5 minutes
+		{
+			int seconds = (int) (millis / SECOND_MILLISECONDS);
+
+			timeReturn += (" " + seconds + " second");
+			if (seconds != 1)
+				timeReturn += "s";
+		}
+
+		return timeReturn.substring(1); // Get rid of first space
+	}
+
+	private static final long YEAR_MILLISECONDS = 31536000000L; // 365 days
+	private static final long MONTH_MILLISECONDS = 2628000000L; // 1/12 of a year
+	private static final long WEEK_MILLISECONDS = 604800000L;
+	private static final long DAY_MILLISECONDS = 86400000L;
+	private static final long HOUR_MILLISECONDS = 3600000L;
+	private static final long MINUTE_MILLISECONDS = 60000L;
+	private static final long SECOND_MILLISECONDS = 1000L;
+}