public string ShowMapExistence(string mapCode)
{
string mapFile = mapCode + ".kml";
IFileSystemGateway fileSystem = FileSystemGatewayFactory.Create(); // a new instance is created at each method call
if (fileSystem.FileExists(mapFile))
{
return($"Kml file for Map {mapCode} exists");
}
else
{
return($"NOT found for Map {mapCode}");
}
}
public MapFileExists()
{
fileSystem = FileSystemGatewayFactory.Create(); // there is a dependency on the FileSystemGatewayFactory
}
public static void SetInstance(IFileSystemGateway instance)
{
m_FileSystemGateway = instance;
}
public MapFileExists() //existent code will still use this constructor
{
fileSystem = new FileSystemGateway();
}
public MapFileExists(IFileSystemGateway fileSystem)
{
this.fileSystem = fileSystem;
}
