/// <summary>
/// Gets the string value of the feature.
/// </summary>
/// <param name="key">The name of the feature.</param>
/// <param name="value">The value of the given feature.</param>
/// <returns>Returns true on success, otherwise false.</returns>
/// <since_tizen> 3 </since_tizen>
public static bool TryGetValue(string key, out string value)
{
Interop.SystemInfo.SystemInfoValueType valueType;
Interop.SystemInfo.SystemInfoType keyType = GetValueType(key, out valueType);
InformationError err = InformationError.InvalidParameter;
if (keyType == Interop.SystemInfo.SystemInfoType.platform)
{
err = Interop.SystemInfo.SystemInfoGetPlatformString(key, out value);
}
else if (keyType == Interop.SystemInfo.SystemInfoType.Custom)
{
err = Interop.SystemInfo.SystemInfoGetCustomString(key, out value);
}
else
{
value = string.Empty;
}
if (err != InformationError.None)
{
Log.Warn(InformationErrorFactory.LogTag, string.Format("Failed to get value for key: {0}. err = {1}", key, err));
return(false);
}
return(true);
}
internal static void ThrowException(InformationError err)
{
InformationError error = (InformationError)err;
if (error == InformationError.InvalidParameter)
{
throw new ArgumentException("Invalid parameter");
}
else if (error == InformationError.OutOfMemory)
{
throw new OutOfMemoryException("Out of memory");
}
else if (error == InformationError.Io)
{
throw new IOException("I/O Error");
}
else if (error == InformationError.RemoteIo)
{
throw new IOException("Remote I/O Error");
}
else if (error == InformationError.PermissionDenied)
{
throw new UnauthorizedAccessException("Permission denied");
}
else if (error == InformationError.NotSupported)
{
throw new NotSupportedException("Not supported");
}
else if (error == InformationError.NoData)
{
throw new NotSupportedException("No data");
}
}
/// <summary>
/// Update the system memory information to the latest.
/// </summary>
/// <since_tizen> 4 </since_tizen>
/// <exception cref="IOException">Thrown when I/O error occurs while reading from the system.</exception>
public void Update()
{
InformationError ret = Interop.RuntimeInfo.GetSystemMemoryInfo(out Info);
if (ret != InformationError.None)
{
Log.Error(InformationErrorFactory.LogTag, "Interop failed to get System memory information");
InformationErrorFactory.ThrowException(ret);
}
}
private static Interop.SystemInfo.SystemInfoType GetValueType(string key, out Interop.SystemInfo.SystemInfoValueType valueType)
{
InformationError err = Interop.SystemInfo.SystemInfoGetPlatformType(key, out valueType);
if (err == InformationError.None)
{
return(Interop.SystemInfo.SystemInfoType.platform);
}
Log.Debug(InformationErrorFactory.LogTag, string.Format("Key {0} not in platform system info", key));
err = Interop.SystemInfo.SystemInfoGetCustomType(key, out valueType);
if (err == InformationError.None)
{
return(Interop.SystemInfo.SystemInfoType.Custom);
}
Log.Debug(InformationErrorFactory.LogTag, string.Format("Key {0} not in custom system info", key));
return(Interop.SystemInfo.SystemInfoType.None);
}
/// <summary>
/// Gets the status of runtime key.
/// Note that this is a generic method.
/// </summary>
/// <typeparam name="T">The generic type to return.</typeparam>
/// <param name="key">The runtime information key for which the current should be read.</param>
/// <param name="value">The value of the given feature.</param>
/// <returns>Returns true on success, otherwise false.</returns>
internal static bool TryGetValue <T>(RuntimeInfoKey key, out T value)
{
Type type;
value = default(T);
if (!s_keyDataTypeMapping.TryGetValue(key, out type))
{
Log.Error(InformationErrorFactory.LogTag, "Invalid key");
return(false);
}
if (type == typeof(bool))
{
InformationError ret = Interop.RuntimeInfo.GetValue(TvProductHelper.ConvertKeyIfTvProduct(key), out bool val);
if (ret != InformationError.None)
{
Log.Error(InformationErrorFactory.LogTag, "Interop failed to get value for key {0}", key.ToString());
return(false);
}
value = (T)(object)val;
}
else if (type == typeof(int))
{
InformationError ret = Interop.RuntimeInfo.GetValue(TvProductHelper.ConvertKeyIfTvProduct(key), out int val);
if (ret != InformationError.None)
{
Log.Error(InformationErrorFactory.LogTag, "Interop failed to get value for key {0}", key.ToString());
return(false);
}
value = (T)(object)val;
}
return(true);
}