public SomeHttpBasedResourceBackedDeviceValue(WebClient webClient, string getResourceTemplate, string setResourceTemplate, DeviceValueAccess access)
{
this.webClient = webClient;
this.getResourceTemplate = getResourceTemplate;
this.setResourceTemplate = setResourceTemplate;
this.access = access;
}
public static T Deserialize(string s, DeviceValueAccess access)
{
if ((access & DeviceValueAccess.Read) == 0)
{
throw new DeviceAccessDeniedException(access, DeviceValueAccess.Read);
}
else if (typeof(T) == typeof(string))
{
return((T)(object)s);
}
else if (typeof(T) == typeof(int))
{
return((T)(object)int.Parse(s));
}
else if (typeof(T) == typeof(float))
{
return((T)(object)float.Parse(s));
}
else if (typeof(T) == typeof(bool))
{
return((T)(object)s.ContainsAny(new[] { "1", "true" }, StringComparison.OrdinalIgnoreCase));
}
else
{
throw new InvalidOperationException($"Attempted to deserialize unhandled type: {typeof(T)}");
}
}
public static string Serialize(T value, DeviceValueAccess access)
{
if ((access & DeviceValueAccess.Write) == 0)
{
throw new DeviceAccessDeniedException(access, DeviceValueAccess.Write);
}
else if (typeof(T) == typeof(string) || typeof(T) == typeof(int) || typeof(T) == typeof(float))
{
return(value.ToString());
}
else if (typeof(T) == typeof(bool))
{
return((bool)(object)value ? "1" : "0");
}
else
{
throw new InvalidOperationException($"Attempted to serialize unhandled type: {typeof(T)}");
}
}
public IDeviceValue <T> FromHttpBasedResource <T>(string getResourceTemplate, string setResourceTemplate, DeviceValueAccess access)
{
return(new SomeHttpBasedResourceBackedDeviceValue <T>(
wc,
getResourceTemplate,
setResourceTemplate,
access));
}
public IDeviceValue <T> FromFileCached <T>(string path, DeviceValueAccess access)
{
return(WithCache(FromFile <T>(path, access)));
}
public IDeviceValue <T> FromFile <T>(string path, DeviceValueAccess access)
{
return(new FileBackedDeviceValueImpl <T>(path, access, internalFileSystemProxy));
}
private static string GetMessage(DeviceValueAccess accessGranted, DeviceValueAccess accessRequired)
{
return $"Operation required access {accessRequired} but have granted {accessGranted}.";
}
public DeviceAccessDeniedException(DeviceValueAccess accessGranted, DeviceValueAccess accessRequired)
: base(GetMessage(accessGranted, accessRequired))
{
this.accessGranted = accessGranted;
this.accessRequired = accessRequired;
}
public FileBackedDeviceValueImpl(string path, DeviceValueAccess access, IInternalFileSystemProxy internalFileSystemProxy)
{
this.path = path;
this.access = access;
this.internalFileSystemProxy = internalFileSystemProxy;
}
public DeviceAccessDeniedException(DeviceValueAccess accessGranted, DeviceValueAccess accessRequired)
: base(GetMessage(accessGranted, accessRequired))
{
this.accessGranted = accessGranted;
this.accessRequired = accessRequired;
}
private static string GetMessage(DeviceValueAccess accessGranted, DeviceValueAccess accessRequired)
{
return($"Operation required access {accessRequired} but have granted {accessGranted}.");
}