// protected string directory = StateManager.Settings["XmlMessageDefinition.Directory"].ToString();
public MessageDefinition Read(string messageName, string section = null)
{
var filename = messageName;
if (!File.Exists(filename)) throw new FileNotFoundException("Unable to locate message definition file {0}", filename);
var definition = XDocument.Load(filename);
var message = definition.Element("message");
if (message == null) return null;
var messageDefinition = new MessageDefinition
{
Name = message.GetAttributeOrDefault("name"),
FileName = filename,
RecordSeparator = message.GetAttributeOrDefault("recordSeparator", ","),
HasHeader = message.GetAttributeOrDefault<bool>("hasHeader"),
};
foreach (XElement record in message.Elements("record"))
{
var newRecord = new RecordDefinition
{
Name = record.GetAttributeOrDefault("name"),
DomainObjectName = record.GetAttributeOrDefault("domainobjectname"),
FieldSeparator = record.GetAttributeOrDefault("fieldSeparator", ","),
};
int defaultStartPos = 0;
foreach (XElement field in record.Elements("field"))
{
var newField = new FieldDefinition
{
Format = field.GetAttributeOrDefault("format"),
IsOptional = field.GetAttributeOrDefault<bool>("optional"),
StartPosition = field.GetAttributeOrDefault<int>("position", defaultStartPos),
Name = field.GetAttributeOrDefault("name"),
Type = field.GetAttributeFromDescriptorOrDefault<FieldDefinitionType>("type"),
Label = field.GetAttributeOrDefault("label", field.GetAttributeOrDefault("name")),
Table = field.GetAttributeOrDefault("table", newRecord.DomainObjectName),
Default = field.GetAttributeOrDefault("default")
};
defaultStartPos = newField.StartPosition + 1;
if (newField.Name.IsNullOrEmpty() || newField.Type.IsNullOrEmpty()) throw new MessagingException("Error reading message definition " + messageDefinition.Name);
newRecord.Fields.Add(newField);
}
messageDefinition.Records.Add(newRecord);
}
return messageDefinition;
}
protected virtual void ReadRecordField(DictionaryState state, TableDescriber table, FieldDefinition fieldDefinition, string[] fields)
{
if (fieldDefinition.StartPosition >= fields.Length)
{
if (fieldDefinition.IsOptional) return;
throw new MessagingException("Message does not match definition. Too few fields in current record.");
}
if (fields[fieldDefinition.StartPosition].StartsWith("\"") && fields[fieldDefinition.StartPosition].EndsWith("\"")) // Remove quotes
{
fields[fieldDefinition.StartPosition] = fields[fieldDefinition.StartPosition].Substring(1, fields[fieldDefinition.StartPosition].Length - 2);
}
var describer = new ColumnDescriber(fieldDefinition.Name, table);
if (fieldDefinition.Type.IsIn(FieldDefinitionType.DateTime))
{
state[describer] = DateTime.ParseExact(fields[fieldDefinition.StartPosition].Trim('"'), fieldDefinition.Format, CultureInfo.InvariantCulture);
}
else if (fieldDefinition.Type.IsIn(FieldDefinitionType.Amount, FieldDefinitionType.InvertedAmount, FieldDefinitionType.Decimal))
{
object oldvalue;
decimal oldAmount = state.TryGetValue(describer, out oldvalue) && oldvalue is decimal
? (decimal) oldvalue
: 0;
decimal amount = !string.IsNullOrWhiteSpace(fields[fieldDefinition.StartPosition].Trim('"'))
? Decimal.Parse(fields[fieldDefinition.StartPosition].Trim('"'),
fieldDefinition.Format.IsNullOrEmpty() ? CultureInfo.InvariantCulture : new CultureInfo(fieldDefinition.Format))
: 0;
if (fieldDefinition.Type == FieldDefinitionType.InvertedAmount) amount *= -1;
state[describer] = oldAmount + amount;
}
else if (fieldDefinition.Type == FieldDefinitionType.AmountSign)
{
if (IsNegativeAmountSign(fields[fieldDefinition.StartPosition], fieldDefinition))
{
state[describer] = Decimal.Negate(((decimal)state[describer]));
}
}
else
{
object oldvalue;
state[describer] = state.TryGetValue(describer, out oldvalue)
? oldvalue + " " + fields[fieldDefinition.StartPosition]
: fields[fieldDefinition.StartPosition];
}
}
protected virtual bool IsNegativeAmountSign(string value, FieldDefinition fieldDefinition)
{
return fieldDefinition.Format.Equals(value, StringComparison.OrdinalIgnoreCase);
}
private static string GetValueForField(FieldDefinition fieldDefinition, IInternalState state)
{
string format = fieldDefinition.Format;
var columnDescriber = new ColumnDescriber(fieldDefinition.Name, fieldDefinition.Table);
if(fieldDefinition.Type.IsIn(FieldDefinitionType.DateTime))
{
var dateTime = state.Get<DateTime?>(columnDescriber);
if (!dateTime.HasValue)
return fieldDefinition.Default;
// DateTime needs a format specifier
return !format.IsNullOrEmpty() ? dateTime.Value.ToString(format, CultureInfo.InvariantCulture) : dateTime.Value.ToShortDateString();
}
if(fieldDefinition.Type.IsIn(FieldDefinitionType.Amount, FieldDefinitionType.InvertedAmount, FieldDefinitionType.Decimal))
{
var money = state.Get<Money>(columnDescriber);
if (money.IsEmpty) return fieldDefinition.Default;
if (fieldDefinition.Type == FieldDefinitionType.InvertedAmount) money *= -1;
return ToString(money, format);
}
if(fieldDefinition.Type.IsIn(FieldDefinitionType.Int16, FieldDefinitionType.Int32, FieldDefinitionType.Int64))
{
var value = state.Get<long?>(columnDescriber);
return !value.HasValue ? fieldDefinition.Default : ToString(value, format);
}
return !state.Get<string>(columnDescriber).IsNullOrEmpty() ? state.Get<string>(columnDescriber) : fieldDefinition.Default;
}
