//////////////////////////////////////////////////////////////////////
/// <summary>Creates a shipping object given a shipping attribute.
/// </summary>
/// <exception cref="ArgumentException">If the attribute
/// type is not 'shipping' or unknown</exception>
/// <exception cref="FormatException">If the attribute contains
/// invalid sub-elements or lacks required sub-elements</exception>
//////////////////////////////////////////////////////////////////////
public Shipping(GBaseAttribute attribute)
{
GBaseAttributeType type = attribute.Type;
if (type != null && type != GBaseAttributeType.Shipping)
{
throw new ArgumentException("Expected an attribute of " +
"type 'shipping', got an attribute of type '" + type + "'");
}
this.country = GetRequiredAttribute(attribute, "country");
this.service = GetRequiredAttribute(attribute, "service");
string priceString = GetRequiredAttribute(attribute, "price");
try
{
FloatUnit priceUnit = new FloatUnit(priceString);
this.price = priceUnit.Value;
this.currency = priceUnit.Unit;
}
catch (FormatException)
{
this.price = NumberFormat.ToFloat(priceString);
this.currency = null;
}
}
//////////////////////////////////////////////////////////////////////
/// <summary>Extracts location information from an attribute.
/// </summary>
/// <exception cref="FormatException">If the attribute contains
/// invalid sub-elements or lacks required sub-elements</exception>
//////////////////////////////////////////////////////////////////////
public Location(GBaseAttribute attribute)
{
this.address = attribute.Content;
if (attribute["latitude"] != null && attribute["longitude"] != null)
{
this.latitude = NumberFormat.ToFloat(attribute["latitude"]);
this.longitude = NumberFormat.ToFloat(attribute["longitude"]);
this.hasCoordinates = true;
}
}
private List <float> GetAttributesAsFloat(string name, GBaseAttributeType type)
{
List <float> retval = new List <float>();
foreach (GBaseAttribute attribute in GetAttributes(name, type))
{
String content = attribute.Content;
if (content != null)
{
retval.Add(NumberFormat.ToFloat(content));
}
}
return(retval);
}
private bool ExtractAttributeAsFloat(string name,
out float value,
GBaseAttributeType type)
{
String stringValue = GetAttributeAsString(name, type);
if (stringValue == null)
{
value = 0;
return(false);
}
value = NumberFormat.ToFloat(stringValue);
return(true);
}
///////////////////////////////////////////////////////////////////////
/// <summary>Extracts the number and unit from a string
/// of the form: <c>number " " unit</c></summary>
/// <exception cref="FormatException">Thrown when the string
/// representation could not be used to generate a valid
/// FloatUnit.</exception>
///////////////////////////////////////////////////////////////////////
public FloatUnit(String str)
: base(ExtractUnit(str))
{
this.number = NumberFormat.ToFloat(ExtractNumber(str));
}