Minimum and maximum times occuring in trips, legs and stops.

enabler/src/de/schildbach/pte/dto/Stop.java

@@ -177,6 +177,22 @@ public final class Stop implements Serializable
 		return predictedDeparturePosition != null;
 	}
 
+	public Date getMinTime()
+	{
+		if (plannedDepartureTime == null || (predictedDepartureTime != null && predictedDepartureTime.before(plannedDepartureTime)))
+			return predictedDepartureTime;
+		else
+			return plannedDepartureTime;
+	}
+
+	public Date getMaxTime()
+	{
+		if (plannedArrivalTime == null || (predictedArrivalTime != null && predictedArrivalTime.after(plannedArrivalTime)))
+			return predictedArrivalTime;
+		else
+			return plannedArrivalTime;
+	}
+
 	@Override
 	public String toString()
 	{

enabler/src/de/schildbach/pte/dto/Trip.java

@@ -110,6 +110,30 @@ public final class Trip implements Serializable
 			return null;
 	}
 
+	/** Minimum time occuring in this trip. */
+	public Date getMinTime()
+	{
+		Date minTime = null;
+
+		for (final Leg leg : legs)
+			if (minTime == null || leg.getMinTime().before(minTime))
+				minTime = leg.getMinTime();
+
+		return minTime;
+	}
+
+	/** Maximum time occuring in this trip. */
+	public Date getMaxTime()
+	{
+		Date maxTime = null;
+
+		for (final Leg leg : legs)
+			if (maxTime == null || leg.getMaxTime().after(maxTime))
+				maxTime = leg.getMaxTime();
+
+		return maxTime;
+	}
+
 	public List<Product> products()
 	{
 		final List<Product> products = new LinkedList<Product>();
@@ -224,6 +248,12 @@ public final class Trip implements Serializable
 
 		/** Coarse arrival time. */
 		public abstract Date getArrivalTime();
+
+		/** Minimum time occuring in this leg. */
+		public abstract Date getMinTime();
+
+		/** Maximum time occuring in this leg. */
+		public abstract Date getMaxTime();
 	}
 
 	public final static class Public extends Leg
@@ -312,6 +342,18 @@ public final class Trip implements Serializable
 			return arrivalStop.isArrivalPositionPredicted();
 		}
 
+		@Override
+		public Date getMinTime()
+		{
+			return departureStop.getMinTime();
+		}
+
+		@Override
+		public Date getMaxTime()
+		{
+			return arrivalStop.getMaxTime();
+		}
+
 		@Override
 		public String toString()
 		{
@@ -375,6 +417,18 @@ public final class Trip implements Serializable
 			return arrivalTime;
 		}
 
+		@Override
+		public Date getMinTime()
+		{
+			return departureTime;
+		}
+
+		@Override
+		public Date getMaxTime()
+		{
+			return arrivalTime;
+		}
+
 		@Override
 		public String toString()
 		{