/// <summary>
/// Return comparing results
/// </summary>
public bool Equals(WeatherData wd)
{
// If parameter is null return false:
if ((object)wd == null)
{
return false;
}
// Return true if the fields match:
return ((this.Clouds.Equals(wd.Clouds, StringComparison.Ordinal)) && (this.Time.Equals(wd.Time)) &&
(this.Loc.Equals(wd.Loc)) && (this.Temperature.Equals(wd.Temperature)));
}
/// <summary>
/// Parsing of weather data service XML - returns WeatherData object with all weather details
/// </summary>
private WeatherData ParseWeatherDataXml(string url)
{
XDocument xdoc = null;
WeatherData wd = null;
try
{
//getting xml document from url
string xml = new WebClient().DownloadString(url);
xdoc = XDocument.Parse(xml);
var locNode = xdoc.Element("weatherdata").Element("location");
var timeNode = xdoc.Element("weatherdata").Element("forecast").Element("time");
//getting location values from xml
Location location = new Location(locNode.Element("name").Value, locNode.Element("country").Value);
//getting time values from xml
Time time = new Time(timeNode.Attribute("from").Value, timeNode.Attribute("to").Value);
//getting clouds description from xml
string clouds = timeNode.Element("clouds").Attribute("value").Value;
//getting temperature description from xml
Temperature temp = new Temperature(timeNode.Element("temperature").Attribute("unit").Value,
Convert.ToDouble(timeNode.Element("temperature").Attribute("value").Value),
Convert.ToDouble(timeNode.Element("temperature").Attribute("min").Value),
Convert.ToDouble(timeNode.Element("temperature").Attribute("max").Value));
//construct WeatherData object with all data
wd = new WeatherData(location, time, temp, clouds);
}
catch (System.Net.WebException e)
{
throw new WeatherDataServiceException("Problem with downloading xml", e);
}
catch (System.Xml.XmlException e)
{
throw new WeatherDataServiceException("Problem with parsing xml", e);
}
catch (System.NullReferenceException e)
{
throw new WeatherDataServiceException("Element/Attribute name is incorrect", e);
}
return wd;
}
