public void SchemaInformation(
[Argument(Help = "Caminho completo do ficheiro")]
string filePath)
{
try
{
string extension = Path.GetExtension(filePath).Remove(0, 1);
if (!Enum.TryParse(extension, out DataSetStreamFormat format))
{
throw new NotSupportedException($"A extenção do ficheiro {filePath} não é reconhecida");
}
IDataSetStreamReader dataSetStreamReader = ServiceProvider.GetService <DataSetStreamFormatReaderFunc>()(format);
var fileStream = new FileStream(filePath, FileMode.Open);
var dataSet = dataSetStreamReader.Read <RelationalDatabaseDataSet>(fileStream);
string output =
$"O ficheiro '{filePath}' foi criado com {dataSet.Catalog.Count} catálogo(s) e {dataSet.Table.Count} tabela(s).";
Logger.LogInformation(output);
}
catch (Exception e)
{
Log.Error(e.Message);
}
}
public DataSetGZipStreamReader(IAppLogger <DataSetGZipStreamReader> logger, IDataSetStreamReader dateSetStream)
{
Guard.Against.Null(logger, nameof(logger));
Guard.Against.Null(dateSetStream, nameof(dateSetStream));
_logger = logger;
_dateSetStream = dateSetStream;
}
public static void AddDataSetStream(this IServiceCollection serviceCollection)
{
// Regista as implementações em Json e XML.
serviceCollection.AddTransient <DataSetStreamJsonReaderWriter>();
serviceCollection.AddTransient <DataSetStreamXmlReaderWriter>();
// Função-fábrica para escrever a estrutura de dados para um formato
serviceCollection.AddTransient <DataSetStreamFormatWriterFunc>(serviceProvider => (format) =>
{
IDataSetStreamWriter writer = null;
switch (format)
{
case DataSetStreamFormat.Json:
writer = serviceProvider.GetService <DataSetStreamJsonReaderWriter>();
break;
case DataSetStreamFormat.Jsonc:
writer = new DataSetGZipStreamWriter(
serviceProvider.GetService <IAppLogger <DataSetGZipStreamReader> >(),
serviceProvider.GetService <DataSetStreamJsonReaderWriter>());
break;
case DataSetStreamFormat.Xml:
writer = serviceProvider.GetService <DataSetStreamXmlReaderWriter>();
break;
case DataSetStreamFormat.Xmlc:
writer = new DataSetGZipStreamWriter(
serviceProvider.GetService <IAppLogger <DataSetGZipStreamReader> >(),
serviceProvider.GetService <DataSetStreamXmlReaderWriter>());
break;
}
return(writer);
});
// Função-fábrica para ler a estrutura de dados de um formato
serviceCollection.AddTransient <DataSetStreamFormatReaderFunc>(serviceProvider => (format) =>
{
IDataSetStreamReader reader = null;
switch (format)
{
case DataSetStreamFormat.Json:
reader = serviceProvider.GetService <DataSetStreamJsonReaderWriter>();
break;
case DataSetStreamFormat.Jsonc:
reader = new DataSetGZipStreamReader(
serviceProvider.GetService <IAppLogger <DataSetGZipStreamReader> >(),
serviceProvider.GetService <DataSetStreamJsonReaderWriter>());
break;
case DataSetStreamFormat.Xml:
reader = serviceProvider.GetService <DataSetStreamXmlReaderWriter>();
break;
case DataSetStreamFormat.Xmlc:
reader = new DataSetGZipStreamReader(
serviceProvider.GetService <IAppLogger <DataSetGZipStreamReader> >(),
serviceProvider.GetService <DataSetStreamXmlReaderWriter>());
break;
}
return(reader ?? throw new NotSupportedException($"Extensão {format.ToString()} de ficheiro irreconhível"));
});
}
