/// <summary> /// Serializes an object to a BsonWriter. /// </summary> /// <param name="bsonWriter">The BsonWriter.</param> /// <param name="nominalType">The nominal type.</param> /// <param name="value">The object.</param> /// <param name="options">The serialization options.</param> public override void Serialize( BsonWriter bsonWriter, Type nominalType, object value, IBsonSerializationOptions options) { // note: the DateTime portion cannot be serialized as a BsonType.DateTime because it is NOT in UTC var dateTimeOffset = (DateTimeOffset)value; var representationSerializationOptions = EnsureSerializationOptions<RepresentationSerializationOptions>(options); switch (representationSerializationOptions.Representation) { case BsonType.Array: bsonWriter.WriteStartArray(); bsonWriter.WriteInt64(dateTimeOffset.Ticks); bsonWriter.WriteInt32((int)dateTimeOffset.Offset.TotalMinutes); bsonWriter.WriteEndArray(); break; case BsonType.Document: bsonWriter.WriteStartDocument(); bsonWriter.WriteDateTime("DateTime", BsonUtils.ToMillisecondsSinceEpoch(dateTimeOffset.UtcDateTime)); bsonWriter.WriteInt64("Ticks", dateTimeOffset.Ticks); bsonWriter.WriteInt32("Offset", (int)dateTimeOffset.Offset.TotalMinutes); bsonWriter.WriteEndDocument(); break; case BsonType.String: bsonWriter.WriteString(XmlConvert.ToString(dateTimeOffset)); break; default: var message = string.Format("'{0}' is not a valid DateTimeOffset representation.", representationSerializationOptions.Representation); throw new BsonSerializationException(message); } }
/// <summary> /// Serializes an object to a BsonWriter. /// </summary> /// <param name="bsonWriter">The BsonWriter.</param> /// <param name="nominalType">The nominal type.</param> /// <param name="value">The object.</param> /// <param name="options">The serialization options.</param> public override void Serialize( BsonWriter bsonWriter, Type nominalType, object value, IBsonSerializationOptions options) { if (value == null) { bsonWriter.WriteNull(); } else { if (nominalType == typeof(object)) { var actualType = value.GetType(); bsonWriter.WriteStartDocument(); bsonWriter.WriteString("_t", TypeNameDiscriminator.GetDiscriminator(actualType)); bsonWriter.WriteName("_v"); Serialize(bsonWriter, actualType, value, options); // recursive call replacing nominalType with actualType bsonWriter.WriteEndDocument(); return; } var dictionary = (IDictionary)value; var dictionarySerializationOptions = EnsureSerializationOptions(options); var dictionaryRepresentation = dictionarySerializationOptions.Representation; var keyValuePairSerializationOptions = dictionarySerializationOptions.KeyValuePairSerializationOptions; if (dictionaryRepresentation == DictionaryRepresentation.Dynamic) { dictionaryRepresentation = DictionaryRepresentation.Document; foreach (object key in dictionary.Keys) { var name = key as string; // check for null and type string at the same time if (name == null || name[0] == '$' || name.IndexOf('.') != -1) { dictionaryRepresentation = DictionaryRepresentation.ArrayOfArrays; break; } } } switch (dictionaryRepresentation) { case DictionaryRepresentation.Document: bsonWriter.WriteStartDocument(); foreach (DictionaryEntry dictionaryEntry in dictionary) { bsonWriter.WriteName((string)dictionaryEntry.Key); BsonSerializer.Serialize(bsonWriter, typeof(object), dictionaryEntry.Value, keyValuePairSerializationOptions.ValueSerializationOptions); } bsonWriter.WriteEndDocument(); break; case DictionaryRepresentation.ArrayOfArrays: case DictionaryRepresentation.ArrayOfDocuments: // override KeyValuePair representation if necessary var keyValuePairRepresentation = (dictionaryRepresentation == DictionaryRepresentation.ArrayOfArrays) ? BsonType.Array : BsonType.Document; if (keyValuePairSerializationOptions.Representation != keyValuePairRepresentation) { keyValuePairSerializationOptions = new KeyValuePairSerializationOptions( keyValuePairRepresentation, keyValuePairSerializationOptions.KeySerializationOptions, keyValuePairSerializationOptions.ValueSerializationOptions); } bsonWriter.WriteStartArray(); foreach (DictionaryEntry dictionaryEntry in dictionary) { var keyValuePair = new KeyValuePair<object, object>(dictionaryEntry.Key, dictionaryEntry.Value); _keyValuePairSerializer.Serialize( bsonWriter, typeof(KeyValuePair<object, object>), keyValuePair, keyValuePairSerializationOptions); } bsonWriter.WriteEndArray(); break; default: var message = string.Format("'{0}' is not a valid IDictionary representation.", dictionaryRepresentation); throw new BsonSerializationException(message); } } }
/// <summary> /// Serializes an object to a BsonWriter. /// </summary> /// <param name="bsonWriter">The BsonWriter.</param> /// <param name="nominalType">The nominal type.</param> /// <param name="value">The object.</param> /// <param name="options">The serialization options.</param> public override void Serialize( BsonWriter bsonWriter, Type nominalType, object value, IBsonSerializationOptions options) { var decimalValue = (Decimal)value; var representationSerializationOptions = EnsureSerializationOptions<RepresentationSerializationOptions>(options); switch (representationSerializationOptions.Representation) { case BsonType.Array: bsonWriter.WriteStartArray(); var bits = Decimal.GetBits(decimalValue); bsonWriter.WriteInt32(bits[0]); bsonWriter.WriteInt32(bits[1]); bsonWriter.WriteInt32(bits[2]); bsonWriter.WriteInt32(bits[3]); bsonWriter.WriteEndArray(); break; case BsonType.Double: bsonWriter.WriteDouble(representationSerializationOptions.ToDouble(decimalValue)); break; case BsonType.Int32: bsonWriter.WriteInt32(representationSerializationOptions.ToInt32(decimalValue)); break; case BsonType.Int64: bsonWriter.WriteInt64(representationSerializationOptions.ToInt64(decimalValue)); break; case BsonType.String: bsonWriter.WriteString(XmlConvert.ToString(decimalValue)); break; default: var message = string.Format("'{0}' is not a valid Decimal representation.", representationSerializationOptions.Representation); throw new BsonSerializationException(message); } }
/// <summary> /// Serializes an object to a BsonWriter. /// </summary> /// <param name="bsonWriter">The BsonWriter.</param> /// <param name="nominalType">The nominal type.</param> /// <param name="value">The object.</param> /// <param name="options">The serialization options.</param> public override void Serialize( BsonWriter bsonWriter, Type nominalType, object value, IBsonSerializationOptions options) { if (value == null) { bsonWriter.WriteNull(); } else { var actualType = value.GetType(); var discriminator = GetDiscriminator(nominalType, actualType); if (discriminator != null) { bsonWriter.WriteStartDocument(); bsonWriter.WriteString("_t", discriminator); bsonWriter.WriteName("_v"); Serialize(bsonWriter, actualType, value, options); bsonWriter.WriteEndDocument(); return; } var arraySerializationOptions = EnsureSerializationOptions<ArraySerializationOptions>(options); var itemSerializationOptions = arraySerializationOptions.ItemSerializationOptions; Type lastItemType = null; IBsonSerializer lastItemSerializer = null; bsonWriter.WriteStartArray(); foreach (var item in EnumerateItemsInSerializationOrder(value)) { var itemType = (item == null) ? typeof(object) : item.GetType(); IBsonSerializer itemSerializer; if (itemType == lastItemType) { itemSerializer = lastItemSerializer; } else { itemSerializer = BsonSerializer.LookupSerializer(itemType); lastItemType = itemType; lastItemSerializer = itemSerializer; } itemSerializer.Serialize(bsonWriter, typeof(object), item, itemSerializationOptions); } bsonWriter.WriteEndArray(); } }
/// <summary> /// Serializes an object to a BsonWriter. /// </summary> /// <param name="bsonWriter">The BsonWriter.</param> /// <param name="nominalType">The nominal type.</param> /// <param name="value">The object.</param> /// <param name="options">The serialization options.</param> public override void Serialize( BsonWriter bsonWriter, Type nominalType, object value, IBsonSerializationOptions options) { if (value == null) { bsonWriter.WriteNull(); } else { if (nominalType == typeof(object)) { var actualType = value.GetType(); bsonWriter.WriteStartDocument(); bsonWriter.WriteString("_t", TypeNameDiscriminator.GetDiscriminator(actualType)); bsonWriter.WriteName("_v"); Serialize(bsonWriter, actualType, value, options); bsonWriter.WriteEndDocument(); return; } var items = ((Stack)value).ToArray(); // convert to array to allow efficient access in reverse order var arraySerializationOptions = EnsureSerializationOptions<ArraySerializationOptions>(options); var itemSerializationOptions = arraySerializationOptions.ItemSerializationOptions; // serialize first pushed item first (reverse of enumeration order) bsonWriter.WriteStartArray(); for (var i = items.Length - 1; i >= 0; i--) { BsonSerializer.Serialize(bsonWriter, typeof(object), items[i], itemSerializationOptions); } bsonWriter.WriteEndArray(); } }
/// <summary> /// Serializes an object to a BsonWriter. /// </summary> /// <param name="bsonWriter">The BsonWriter.</param> /// <param name="nominalType">The nominal type.</param> /// <param name="value">The object.</param> /// <param name="options">The serialization options.</param> public override void Serialize( BsonWriter bsonWriter, Type nominalType, object value, IBsonSerializationOptions options) { if (value == null) { bsonWriter.WriteNull(); } else { if (nominalType == typeof(object)) { var actualType = value.GetType(); bsonWriter.WriteStartDocument(); bsonWriter.WriteString("_t", TypeNameDiscriminator.GetDiscriminator(actualType)); bsonWriter.WriteName("_v"); Serialize(bsonWriter, actualType, value, options); bsonWriter.WriteEndDocument(); return; } var items = (Queue)value; var arraySerializationOptions = EnsureSerializationOptions<ArraySerializationOptions>(options); var itemSerializationOptions = arraySerializationOptions.ItemSerializationOptions; bsonWriter.WriteStartArray(); foreach (var item in items) { BsonSerializer.Serialize(bsonWriter, typeof(object), item, itemSerializationOptions); } bsonWriter.WriteEndArray(); } }