/// <summary>
/// This function parsing the xml from the REStful Web Service site
/// and set all the values.
/// </summary>
/// <param name="wd">The WeatherData object. </param>
/// <param name="location">The requested location</param>
public void XMLFunction(WeatherDataSite1 wd, Location location)
{
String URLString = "http://api.openweathermap.org/data/2.5/weather?q=" + location.Country + "&mode=xml";
string xml;
using (WebClient client = new WebClient())
{
try
{
xml = client.DownloadString(URLString);// xml url to string
}
catch (WebException)
{
throw new WeatherDataServiceException("There is not internet connection");
}
}
try
{
XDocument ob = XDocument.Parse(xml);
//A linq to xml that get all the values from the site
var weather = from x in ob.Descendants("current")
select new
{
City = x.Descendants("city").Attributes("name").First().Value,
Sun = x.Descendants("sun").Attributes("rise").First().Value,
Set = x.Descendants("sun").Attributes("set").First().Value,
Tempat = x.Descendants("temperature").Attributes("value").First().Value,
Cloud = x.Descendants("clouds").Attributes("name").First().Value,
Humidity = x.Descendants("humidity").Attributes("value").First().Value,
Speed = x.Descendants("speed").Attributes("value").First().Value,
Direction = x.Descendants("direction").Attributes("code").First().Value,
Update = x.Descendants("lastupdate").Attributes("value").First().Value,
};
//Get all the values from the linq vairables and set
//them into the WeatherData service values.
foreach (var data in weather)
{
wd.location.Country = data.City;
wd.sunrise.Sunrise = data.Sun;
wd.sunset.Sunset = data.Set;
wd.lastupdate.Update = data.Update;
wd.temperature.Celsius = Double.Parse(data.Tempat);
wd.cloud.Clouds = data.Cloud;
wd.humidity.Humitidy = data.Humidity;
wd.wind.Speed = Double.Parse(data.Speed);
wd.wind.Direction = data.Direction;
}
wd.temperature.KelvinToCelsius();
}
catch(XmlException )
{
throw new WeatherDataServiceException("Wrong Country");
}
catch (WebException )
{
/// <summary>
/// Default constructor that initialize all the instance variable
/// </summary>
public WeatherData()
{
location = new Location();
sunrise = new SunRise();
sunset = new SunSet();
cloud = new Cloud();
humidity = new Humidity();
lastupdate = new LastUpdate();
wind = new Wind();
temperature = new Temperature();
}
/// <summary>
/// A virtual method that get the weather object of a chosen country.
/// </summary>
/// <param name="location">Location requested by user to get service.</param>
/// <returns>return a WeatherData object with all the params. </returns>
public override WeatherData getWeatherData(Location location)
{
WeatherDataSite2 wd = new WeatherDataSite2();
try
{
wd.location.Country = location.Country;
XMLFunction(wd, location);
}
catch (WeatherDataServiceException ex)
{
Console.WriteLine(ex.Message);
}
return wd;
}
public void StartParsing(Location location)
{
//TO DOO
}
/// <summary>
/// A virtual method that get the weather object of a chosen country.
/// </summary>
/// <param name="wd">The WeatherData object. </param>
/// <param name="location">Location requested by user to get service.</param>
/// <returns>return a WeatherData object with all the params. </returns>
public void XMLFunction(WeatherDataSite2 wd, Location location)
{
String URLString = "http://api.worldweatheronline.com/premium/v1/weather.ashx?key=" +
key + "&q=" + location.Country + "&num_of_days=1&tp=24&format=xml";
string xml;
using (WebClient client = new WebClient())
{
try
{
xml = client.DownloadString(URLString);// xml url to string
}
catch (WebException)
{
throw new WeatherDataServiceException("There is not internet connection");
}
}
try
{
XDocument ob = XDocument.Parse(xml);
//A linq to xml that get all the values from the site
var weather = from x in ob.Descendants("data")
select new
{
City = x.Descendants("query").First().Value,
Ip = x.Descendants("type").First().Value,
Sun = x.Descendants("sunrise").First().Value,
Set = x.Descendants("sunset").First().Value,
Tempat = x.Descendants("temp_C").First().Value,
Cloud = x.Descendants("cloudcover").First().Value,
Humidity = x.Descendants("humidity").First().Value,
Speed = x.Descendants("windspeedKmph").First().Value,
Direction = x.Descendants("winddir16Point").First().Value,
Update = x.Descendants("date").First().Value,
};
//Get all the values from the linq vairables and set
//them into the WeatherData service values.
foreach (var data in weather)
{
//This restful web service also support an ip search.
//this check is to confrim that the user pressed a country.
if(data.Ip=="IP")
{
throw new XmlException();
}
wd.location.Country = data.City;
wd.sunrise.Sunrise = data.Sun;
wd.sunset.Sunset = data.Set;
wd.lastupdate.Update = data.Update;
wd.temperature.Celsius = Double.Parse(data.Tempat);
wd.cloud.Clouds = data.Cloud;
wd.humidity.Humitidy = data.Humidity;
wd.wind.Speed = Double.Parse(data.Speed);
wd.wind.Direction = data.Direction;
}
}
catch (XmlException)
{
throw new WeatherDataServiceException("Wrong Country");
}
catch (WebException)
{
throw new WeatherDataServiceException("There is not internet connection");
}
catch (InvalidOperationException ex)
{
throw new WeatherDataServiceException(ex.Message);
}
}
/// <summary>
/// A virtual method that get the weather object of a chosen country.
/// </summary>
/// <param name="location">Location requested by user to get service.</param>
/// <returns>return a WeatherData object with all the params. </returns>
virtual public WeatherData getWeatherData(Location location)
{
throw new NotImplementedException();
}
