/// <summary>
/// Returns DataSet based on specified options.
/// </summary>
public override DataSet GetDataSet(StiFileDataOptions options)
{
var jsonOptions = options as StiJsonOptions;
if (jsonOptions == null)
{
throw new NotSupportedException("Only StiJsonOptions accepted!");
}
if (jsonOptions.Content == null || jsonOptions.Content.Length == 0)
{
return(null);
}
return(StiJsonToDataSetConverter.GetDataSet(jsonOptions.Content));
}
public override DataTable GetDataTable(string collectionName, string query, int?index = null, int?count = null)
{
try
{
var database = GetDatabase();
//var collection = database.GetCollection<BsonDocument>(collectionName);
var method = database.GetType().GetMethods().FirstOrDefault(m => m.Name == "GetCollection" &&
!m.IsGenericMethodDefinition &&
m.GetParameters().Length == 1 &&
m.GetParameters()[0].ParameterType ==
typeof(string));
object collection = null;
if (method != null)//net40
{
collection = method.Invoke(database, new object[] { collectionName });
}
/*else//net45
* {
* var settingsType = AssemblyHelper.GetType("MongoDB.Driver.MongoCollectionSettings");
* method = database.GetType().GetMethod("GetCollection", new[] { typeof (string), settingsType });
* method = method.MakeGenericMethod(database.GetType());
* collection = method.Invoke(database, new object[] { collectionName, null });
* }*/
//var cursor = string.IsNullOrWhiteSpace(query) ? collection.FindAll() : collection.Find(new QueryDocument(BsonDocument.Parse(query)));
var assembly = new StiDataAssemblyHelper("MongoDB.Bson.dll");
IEnumerable cursor = null;
if (string.IsNullOrWhiteSpace(query))
{
method = collection.GetType().GetMethod("FindAll");
cursor = method.Invoke(collection, null) as IEnumerable;
}
else
{
var bsonDocument = assembly.GetType("MongoDB.Bson.BsonDocument")
.GetMethod("Parse")
.Invoke(null, new object[] { query });
var queryDocument = AssemblyHelper.CreateObject("MongoDB.Driver.QueryDocument", bsonDocument);
cursor = collection.GetType().GetMethod("Find").Invoke(collection, new[] { queryDocument }) as IEnumerable;
}
var list = new List <JToken>();
var i = 0;
foreach (var row in cursor)
{
if (count != null && i >= count)
{
break;
}
if (index == null || i >= index)
{
try
{
//var jStr = row.ToJson(new JsonWriterSettings { OutputMode = JsonOutputMode.Strict });
//var jsonWriterSettings = assembly.CreateObject("MongoDB.Bson.IO.JsonWriterSettings");
//jsonWriterSettings.GetType().GetProperty("OutputMode").SetValue(jsonWriterSettings, 0, null);
//var method2 = assembly.GetType("MongoDB.Bson.BsonExtensionMethods").GetMethod("ToJson", new[] {typeof(object), typeof(Type), jsonWriterSettings.GetType() });
//var jStr = method2.Invoke(row, new[] { jsonWriterSettings }) as string;
var jStr = GetAsJson(row);
var jToken = JToken.Parse(jStr);
list.Add(jToken);
}
catch
{
}
}
i++;
}
var dataSet = StiJsonToDataSetConverter.GetDataSet(list, true);
return(dataSet != null && dataSet.Tables.Count > 0 ? dataSet.Tables[0] : null);
}
catch (Exception exception)
{
if (exception.InnerException != null)
{
throw exception.InnerException;
}
else
{
throw;
}
}
}