/// <summary>
/// initializes <see cref="SettingsContainer"/> with data from existing
/// corresponding data file.
/// </summary>
/// <exception cref="FileReadException">
/// thrown if reading from <see cref="SettingsContainer"/> data file failed
/// </exception>
/// <exception cref="JsonSerializationException">
/// thrown if <see cref="SettingsContainer"/> data file content is not in a valid
/// JSON format.
/// </exception>
/// <exception cref="SettingsContainerJsonObjectParseException">
/// thrown if parsing <see cref="SettingsContainer"/> from <see cref="SettingsContainer"/>
/// data file content failed
/// </exception>
private void initializeSettingsContainerFromExistingDataFile()
{
// initialize settings container with values from settings file
string settingsContainerJsonString = FileIOUtils.ReadTextFromFile(SETTINGS_FILE_PATH);
object settingsContainerJsonObject = JsonUtils.DeserializeObject <object>(
settingsContainerJsonString);
this.settingsContainer = SettingsContainer.Parse(settingsContainerJsonObject);
}
/// <summary>
/// initializes <see cref="UserDefinedCommandContainer"/> and corresponding data file.
/// </summary>
/// <exception cref="FileReadUserDefinedCommandsInitializationException">
/// thrown if reading data from existing <see cref="UserDefinedCommandContainer"/>
/// data file failed
/// </exception>
/// <exception cref="CorruptFileUserDefinedCommandsInitializationException">
/// thrown if data in existing <see cref="UserDefinedCommandContainer"/> data file
/// is invalid
/// </exception>
private void initializeUserDefinedCommands()
{
if (FileIOUtils.FileExists(USER_DEFINED_COMMANDS_FILE_PATH)) // saved commands file exists
{
try
{
// initialize UserDefinedCommandsContainer with data from file
string userDefinedCommandsContainerJsonString = FileIOUtils.ReadTextFromFile(
USER_DEFINED_COMMANDS_FILE_PATH);
this.userDefinedCommandContainer = JsonUtils.DeserializeObject <UserDefinedCommandContainer>(
userDefinedCommandsContainerJsonString);
}
catch (Exception exception)
{
// reading from user defined commands file failed
if (exception is FileReadException)
{
throw new FileReadUserDefinedCommandsInitializationException(
USER_DEFINED_COMMANDS_FILE_PATH,
exception);
}
// corrupt user defined commands file
else if (exception is JsonSerializationException)
{
throw new CorruptFileUserDefinedCommandsInitializationException(
USER_DEFINED_COMMANDS_FILE_PATH,
exception);
}
else // unhandled exception
{
throw exception;
}
}
}
else // saved commands file does not exist
{
// initialize an empty UserDefinedCommandContainer
this.userDefinedCommandContainer = new UserDefinedCommandContainer();
// write empty UserDefinedCommandContainer data to file
writeUserDefinedCommandContainerDataToFile();
}
}
public string ReadTextFromFile(string filePath)
{
return(FileIOUtils.ReadTextFromFile(filePath));
}
