//address to the site and building weatherdata sturcture
public WeatherData GetWeatherData(Location location)
{
XDocument xdoc=null;
WeatherData WD=new WeatherData();
string addr="";
try
{
if ( location.countryName == null || location.cityName == null)
{
throw (new WeatherDataServiceException("WeatherDataServiceException : location.countryName or location.countryName are null"));
}
//sending a correct sturcure of query string to the site
addr = "http://api.wunderground.com/api/" + Key + "/conditions/q/" + location.countryName + "/" + location.cityName + ".xml";
xdoc = XDocument.Load(addr);
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
try
{
//parsing the XML recieved from the site by its unique stucture
var list = from item in xdoc.Descendants("response")
select new
{
Name = item.Element("current_observation").Element("display_location").Element("city").Value,
Temp = item.Element("current_observation").Element("temp_c").Value,
Pressure = item.Element("current_observation").Element("pressure_mb").Value,
Humidity = item.Element("current_observation").Element("relative_humidity").Value,
WindSpeed = item.Element("current_observation").Element("wind_kph").Value,
WindDirection = item.Element("current_observation").Element("wind_dir").Value
};
foreach (var item in list)
{
//building the weatherdata structure
WD.cityName = item.Name;
WD.temp = double.Parse(item.Temp);
WD.pressure = int.Parse(item.Pressure);
WD.humidity = item.Humidity;
WD.windSpeed = double.Parse(item.WindSpeed);
WD.windDirection = item.WindDirection;
}
}
catch (Exception e)
{
Console.WriteLine(e.Message + " : caused from parsing error or wrong values in the Location");
}
return WD;
}
//address to the site and building weatherdata sturcture
public WeatherData GetWeatherData(Location location)
{
XDocument xdoc=null;
WeatherData WD=new WeatherData();
string addr="";
try
{
if (location.countryName == null || location.cityName == null)
{
throw (new WeatherDataServiceException("WeatherDataServiceException : location.countryName or location.countryName are null"));
}
//sending a correct sturcure of query string to the site
addr = "http://api.openweathermap.org/data/2.5/weather?q=" + location.cityName + "," + location.countryName + "&mode=xml";
xdoc = XDocument.Load(addr);
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
try
{
//parsing the XML recieved from the site by its unique stucture
var list = from item in xdoc.Descendants("current")
select new
{
Name = item.Element("city").Attribute("name").Value,
Temp = item.Element("temperature").Attribute("value").Value,
Pressure = item.Element("pressure").Attribute("value").Value,
Humidity = item.Element("humidity").Attribute("value").Value,
WindSpeed = item.Element("wind").Element("speed").Attribute("value").Value,
WindDirection = item.Element("wind").Element("direction").Attribute("code").Value
};
foreach (var item in list)
{
//building the weatherdata structure
WD.cityName = item.Name;
WD.temp = FarToCell(double.Parse(item.Temp));
WD.pressure = int.Parse(item.Pressure);
WD.humidity = item.Humidity + "%";
WD.windSpeed = double.Parse(item.WindSpeed) * 3.6; //convert from mps to kph
WD.windDirection = item.WindDirection;
}
}
catch (Exception e)
{
Console.WriteLine(e.Message + " : caused from internet problem or wrong values in the Location");
}
return WD;
}
//address to the site and building weatherdata sturcture
public WeatherData GetWeatherData(Location location)
{
XDocument xdoc=null;
WeatherData WD=new WeatherData();
string addr="";
try
{
if (location.countryName == null || location.cityName == null)
{
throw (new WeatherDataServiceException("WeatherDataServiceException : location.countryName or location.countryName are null"));
}
//sending a correct sturcure of query string to the site
addr = "http://api.worldweatheronline.com/free/v2/weather.ashx?key=" + Key + "&q=" + location.cityName + ","+ location.countryName + "&format=xml";
xdoc = XDocument.Load(addr);
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
try
{
//parsing the XML recieved from the site by its unique stucture
var list = from item in xdoc.Descendants("data")
select new
{
Name = item.Element("request").Element("query").Value,
Temp = item.Element("current_condition").Element("temp_C").Value,
Pressure = item.Element("current_condition").Element("pressure").Value,
Humidity = item.Element("current_condition").Element("humidity").Value,
WindSpeed = item.Element("current_condition").Element("windspeedKmph").Value,
WindDirection = item.Element("current_condition").Element("winddir16Point").Value
};
foreach (var item in list)
{
//building the weatherdata structure
WD.cityName = item.Name;
WD.temp = double.Parse(item.Temp);
WD.pressure = int.Parse(item.Pressure);
WD.humidity = item.Humidity + "%";
WD.windSpeed = double.Parse(item.WindSpeed);
WD.windDirection = item.WindDirection;
}
}
catch (Exception e)
{
Console.WriteLine(e.Message + " : caused from internet problem or wrong values in the Location");
}
return WD;
}
static void Main()
{
//example of use , sample code of how to implement the factory and the interface
//declaring and assiging Location object
Location loc = new Location();
loc.cityName = "london";
loc.countryName = "uk";
//requesting the 1st provider using the provider identifier in the factory
IWeatherDataService service = WeatherDataServiceFactory.getWeatherDataService(WeatherDataServiceFactory.Providers.WUNDERGROUND);
//recieving a WeatherData object from the first provider
WeatherData weatherData = service.GetWeatherData(loc);
//printing the WeatherData fields, OUTPUT Example :
//WUNDERGROUND: city: London, temp: 14 celsius, humidity: 94 %, pressure: 1004 hPa, wind: 20 kPh West
Console.WriteLine("WUNDERGROUND : city : " + weatherData.cityName +
", temp : " + weatherData.temp + " celsius" +
", humidity : " + weatherData.humidity +
", pressure : " + weatherData.pressure + " hPa" +
", wind : " + weatherData.windSpeed + " kPh" +
" " + weatherData.windDirection);
//requesting the 2nd provider using the provider identifier in the factory
service = WeatherDataServiceFactory.getWeatherDataService(WeatherDataServiceFactory.Providers.OPENMAP);
//recieving a WeatherData object from the 2nd provider
weatherData = service.GetWeatherData(loc);
//printing the WeatherData fields, OUTPUT Example :
//OPENMAP : city : London, temp : 14.1 celsius, humidity : 82%, pressure : 1002 hPa, wind : 24.12 kPh W
Console.WriteLine("OPENMAP : city : " + weatherData.cityName +
", temp : " + weatherData.temp + " celsius" +
", humidity : " + weatherData.humidity +
", pressure : " + weatherData.pressure + " hPa" +
", wind : " + weatherData.windSpeed + " kPh" +
" " + weatherData.windDirection);
//requesting the 3rd provider using the provider identifier in the factory
service = WeatherDataServiceFactory.getWeatherDataService(WeatherDataServiceFactory.Providers.WORLDWEATHERONLINE);
//recieving a WeatherData object from the 3rd provider
weatherData = service.GetWeatherData(loc);
//printing the WeatherData fields,OUTPUT Example :
//WORLDWEATHERONLINE : city : London, United Kingdom, temp : 16 celsius, humidity : 82%, pressure : 1003 hPa, wind : 24 kPh W
Console.WriteLine("WORLDWEATHERONLINE : city : " + weatherData.cityName +
", temp : " + weatherData.temp + " celsius" +
", humidity : " + weatherData.humidity +
", pressure : " + weatherData.pressure + " hPa" +
", wind : " + weatherData.windSpeed + " kPh" +
" " + weatherData.windDirection);
}
public void WunderGroundTest()
{
Location loc = new Location();
WeatherData WDCheck = null;
string actualCity = "London";
loc.cityName = "london";
loc.countryName = "UK";
WeatherDataProviderWunderGround WD = WeatherDataProviderWunderGround.Instance;
WDCheck = WD.GetWeatherData(loc);
Assert.AreEqual(WDCheck.cityName, actualCity);
}
public void WorldWeatherOnlineTest()
{
Location loc = new Location();
WeatherData WDCheck = null;
string actualCity = "London, United Kingdom";
loc.cityName = "london";
loc.countryName = "UK";
WeatherDataProviderWorldWeatherOnline WD = WeatherDataProviderWorldWeatherOnline.Instance;
WDCheck = WD.GetWeatherData(loc);
Assert.AreEqual(WDCheck.cityName, actualCity);
}
