public IItinerary ReplaceSegment(IItinerary legs)
{
if (null == legs)
{
throw new ArgumentNullException("legs");
}
IItinerary newItinerary = null;
int i = 0;
while (i < _legs.Length)
{
if (null != newItinerary && newItinerary.FinalArrivalLocation.Equals(_legs[i].LoadLocation))
{
newItinerary = newItinerary.Append(_legs[i]);
}
else if (_legs[i].UnloadLocation.Equals(legs.InitialDepartureLocation))
{
ILeg[] newLegs = new ILeg[i + 1];
Array.Copy(_legs, newLegs, i + 1);
newItinerary = new Itinerary(newLegs);
foreach (ILeg l in legs)
{
newItinerary = newItinerary.Append(l);
}
}
++i;
}
if (null == newItinerary)
{
string message = string.Format("The legs departure location ({0}) is not in the itinerary.", legs.InitialDepartureLocation);
throw new ArgumentOutOfRangeException("legs", message);
}
return(newItinerary);
}
