public async Task StartAsync()
{
if (started)
{
return;
}
(jsonWriter, jsonFilePath) = JsonWriterFacory.CreateJsonWriter(jsonDirectoryPath, propertyName);
await semaphoreControl.WaitAsync();
try
{
if (started)
{
return;
}
await jsonWriter.WriteStartObjectAsync();
await jsonWriter.WritePropertyNameAsync(propertyName);
await jsonWriter.WriteStartArrayAsync();
}
finally
{
started = true;
this.queueReaderTask = Task.Run(() => QueueReader());
semaphoreControl.Release();
}
}
public async Task <string> GroupFiles(List <string> filesList, string destinationDirectoryPath, string rootFileName, bool deleteFiles, object objectBase, string rootPropertyName)
{
if (
(objectBase != null && string.IsNullOrEmpty(rootPropertyName)) ||
(objectBase == null && !string.IsNullOrEmpty(rootPropertyName))
)
{
throw new ArgumentException("ObjectBase and RootPropertyName can not be null ");
}
JsonIOHelper.ValidateFiles(filesList);
var isThereObjectBase = objectBase != null && !string.IsNullOrWhiteSpace(rootPropertyName);
var ts = new CancellationTokenSource();
var createWriterResult = JsonWriterFacory.CreateJsonWriter(destinationDirectoryPath, rootFileName, Formatting.None);
var objectBaseReader = await jsonConverterObjectToReader.ConvertObjectToJSonReaderAsync(objectBase);
using (this.jsonWriter = createWriterResult.writer)
{
var flushTask = Task.Run(() => FlushWriter(ts.Token));
var lastTokenType = JsonToken.None;
var lastPropertyname = string.Empty;
while (objectBaseReader?.Read() ?? false)
{
await WriteTokenAsync(objectBaseReader, false);
if (lastTokenType == JsonToken.PropertyName && lastPropertyname == rootPropertyName)
{
break;
}
lastTokenType = objectBaseReader.TokenType;
lastPropertyname = objectBaseReader.Value?.ToString();
}
if (!isThereObjectBase)
{
await WriteStartObjectAsync();
}
foreach (var jsonFilePath in filesList)
{
using (var jsonReader = new JsonTextReader(File.OpenText(jsonFilePath)))
{
var countStartEndObject = 0;
while (jsonReader.Read())
{
if (jsonReader.TokenType == JsonToken.StartObject)
{
countStartEndObject++;
}
if (jsonReader.TokenType == JsonToken.EndObject)
{
countStartEndObject--;
}
if (jsonReader.TokenType == JsonToken.StartObject && countStartEndObject == 1)
{
continue;
}
if (jsonReader.TokenType == JsonToken.EndObject && countStartEndObject == 0)
{
continue;
}
WriteToken(jsonReader, jsonReader.TokenType == JsonToken.StartArray);
}
}
if (deleteFiles)
{
File.Delete(jsonFilePath);
}
}
if (!isThereObjectBase)
{
await WriteEndObjectAsync();
}
while (objectBaseReader?.Read() ?? false)
{
await WriteTokenAsync(objectBaseReader, false);
}
ts.Cancel();
flushTask.Wait();
await jsonWriter?.FlushAsync();
return(createWriterResult.filePath);
}
}
