// 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;
}
private static string CreateLine(RecordDefinition recordDefinition, IInternalState state)
{
var columns = new List<string>();
int currentPosition = 0;
foreach (FieldDefinition fieldDefinition in recordDefinition.Fields)
{
while (currentPosition < fieldDefinition.StartPosition)
{
columns.Add(string.Empty);
currentPosition++;
}
columns.Add(GetValueForField(fieldDefinition, state));
currentPosition++;
}
return string.Join(recordDefinition.FieldSeparator, columns);
}
private static string ConstructHeader(RecordDefinition recordDefinition)
{
var header = new List<string>();
int currentPosition = 0;
foreach (FieldDefinition fieldDefinition in recordDefinition.Fields)
{
while (currentPosition < fieldDefinition.StartPosition)
{
header.Add(string.Empty);
currentPosition++;
}
header.Add(fieldDefinition.Label);
currentPosition++;
}
return string.Join(recordDefinition.FieldSeparator, header);
}
