public override void Validate(object state)
{
base.Validate(state);
string line = null;
string[] fieldNames = null;
if (state is Tuple <long, string> )
{
line = ((Tuple <long, string>)state).Item2;
}
else
{
fieldNames = state as string[];
}
if (RecordLength <= 0 && line != null)
{
RecordLength = line.Length;
}
//Validate Header
if (FileHeaderConfiguration != null)
{
if (FileHeaderConfiguration.FillChar != null)
{
if (FileHeaderConfiguration.FillChar.Value == ChoCharEx.NUL)
{
throw new ChoRecordConfigurationException("Invalid '{0}' FillChar specified.".FormatString(FileHeaderConfiguration.FillChar));
}
if (EOLDelimiter.Contains(FileHeaderConfiguration.FillChar.Value))
{
throw new ChoRecordConfigurationException("FillChar [{0}] can't be one of EOLDelimiter characters [{1}]".FormatString(FileHeaderConfiguration.FillChar.Value, EOLDelimiter));
}
if (Comments != null)
{
if ((from comm in Comments
where comm.Contains(FileHeaderConfiguration.FillChar.Value.ToString())
select comm).Any())
{
throw new ChoRecordConfigurationException("One of the Comments contains FillChar. Not allowed.");
}
}
}
}
//string[] headers = state as string[];
if (AutoDiscoverColumns &&
FixedLengthRecordFieldConfigurations.Count == 0 /*&& headers != null*/)
{
if (RecordType != null && !IsDynamicObject &&
ChoTypeDescriptor.GetProperties(RecordType).Where(pd => pd.Attributes.OfType <ChoFixedLengthRecordFieldAttribute>().Any()).Any())
{
int startIndex = 0;
int size = 0;
foreach (PropertyDescriptor pd in ChoTypeDescriptor.GetProperties(RecordType).Where(pd => pd.Attributes.OfType <ChoFixedLengthRecordFieldAttribute>().Any()))
{
//if (!pd.PropertyType.IsSimple())
// throw new ChoRecordConfigurationException("Property '{0}' is not a simple type.".FormatString(pd.Name));
if (FixedLengthFieldDefaultSizeConfiguation == null)
{
size = ChoFixedLengthFieldDefaultSizeConfiguation.Instance.GetSize(pd.PropertyType);
}
else
{
size = FixedLengthFieldDefaultSizeConfiguation.GetSize(pd.PropertyType);
}
var obj = new ChoFixedLengthRecordFieldConfiguration(pd.Name, startIndex, size);
obj.FieldType = pd.PropertyType;
FixedLengthRecordFieldConfigurations.Add(obj);
startIndex += size;
}
//RecordLength = startIndex;
}
else if (!line.IsNullOrEmpty())
{
int index = 0;
if (IsDynamicObject)
{
foreach (var item in DiscoverColumns(line))
{
var obj = new ChoFixedLengthRecordFieldConfiguration(FileHeaderConfiguration.HasHeaderRecord ? item.Item1 : "Column{0}".FormatString(++index), item.Item2, item.Item3);
FixedLengthRecordFieldConfigurations.Add(obj);
}
}
else
{
Tuple <string, int, int>[] tuples = DiscoverColumns(line);
foreach (PropertyDescriptor pd in ChoTypeDescriptor.GetProperties(RecordType))
{
if (index < tuples.Length)
{
var obj = new ChoFixedLengthRecordFieldConfiguration(FileHeaderConfiguration.HasHeaderRecord ? tuples[index].Item1 : pd.Name, tuples[index].Item2, tuples[index].Item3);
FixedLengthRecordFieldConfigurations.Add(obj);
index++;
}
else
{
break;
}
}
}
}
else if (!fieldNames.IsNullOrEmpty())
{
int startIndex = 0;
int fieldLength = ChoFixedLengthFieldDefaultSizeConfiguation.Instance.GetSize(typeof(string));
foreach (string fn in fieldNames)
{
var obj = new ChoFixedLengthRecordFieldConfiguration(fn, startIndex, fieldLength);
FixedLengthRecordFieldConfigurations.Add(obj);
startIndex += fieldLength;
}
}
}
if (FixedLengthRecordFieldConfigurations.Count == 0)
{
throw new ChoRecordConfigurationException("No record fields specified.");
}
//Derive record length from fields
if (RecordLength <= 0)
{
int maxStartIndex = FixedLengthRecordFieldConfigurations.Max(f => f.StartIndex);
int maxSize = FixedLengthRecordFieldConfigurations.Where(f => f.StartIndex == maxStartIndex).Max(f1 => f1.Size.Value);
var fc = FixedLengthRecordFieldConfigurations.Where(f => f.StartIndex == maxStartIndex && f.Size.Value == maxSize).FirstOrDefault();
if (fc != null)
{
RecordLength = fc.StartIndex + fc.Size.Value;
}
}
if (RecordLength <= 0)
{
throw new ChoRecordConfigurationException("RecordLength must be > 0");
}
//Check if any field has empty names
if (FixedLengthRecordFieldConfigurations.Where(i => i.FieldName.IsNullOrWhiteSpace()).Count() > 0)
{
throw new ChoRecordConfigurationException("Some fields has empty field name specified.");
}
//Check field names for duplicate
string[] dupFields = FixedLengthRecordFieldConfigurations.GroupBy(i => i.FieldName, FileHeaderConfiguration.StringComparer)
.Where(g => g.Count() > 1)
.Select(g => g.Key).ToArray();
if (dupFields.Length > 0)
{
throw new ChoRecordConfigurationException("Duplicate field names [Name: {0}] specified to record fields.".FormatString(String.Join(",", dupFields)));
}
//Find duplicate fields with start index
ChoFixedLengthRecordFieldConfiguration dupRecConfig = FixedLengthRecordFieldConfigurations.GroupBy(i => i.StartIndex).Where(g => g.Count() > 1).Select(g => g.FirstOrDefault()).FirstOrDefault();
if (dupRecConfig != null)
{
throw new ChoRecordConfigurationException("Found duplicate '{0}' record field with same start index.".FormatString(dupRecConfig.FieldName));
}
//Check any overlapping fields specified
foreach (var f in FixedLengthRecordFieldConfigurations)
{
if (f.StartIndex + f.Size.Value > RecordLength)
{
throw new ChoRecordConfigurationException("Found '{0}' record field out of bounds of record length.".FormatString(f.FieldName));
}
}
RecordFieldConfigurationsDict = FixedLengthRecordFieldConfigurations.OrderBy(i => i.StartIndex).Where(i => !i.Name.IsNullOrWhiteSpace()).ToDictionary(i => i.Name, FileHeaderConfiguration.StringComparer);
RecordFieldConfigurationsDict2 = FixedLengthRecordFieldConfigurations.OrderBy(i => i.StartIndex).Where(i => !i.FieldName.IsNullOrWhiteSpace()).ToDictionary(i => i.FieldName, FileHeaderConfiguration.StringComparer);
//Validate each record field
foreach (var fieldConfig in FixedLengthRecordFieldConfigurations)
{
fieldConfig.Validate(this);
}
if (!FileHeaderConfiguration.HasHeaderRecord)
{
}
else
{
}
LoadNCacheMembers(FixedLengthRecordFieldConfigurations);
}
private void DiscoverRecordFields(Type recordType, string declaringMember, bool optIn = false)
{
if (!recordType.IsDynamicType())
{
Type pt = null;
int startIndex = 0;
int size = 0;
if (optIn) //ChoTypeDescriptor.GetProperties(recordType).Where(pd => pd.Attributes.OfType<ChoFixedLengthRecordFieldAttribute>().Any()).Any())
{
foreach (PropertyDescriptor pd in ChoTypeDescriptor.GetProperties(recordType))
{
pt = pd.PropertyType.GetUnderlyingType();
if (!pt.IsSimple() && !typeof(IEnumerable).IsAssignableFrom(pt))
{
DiscoverRecordFields(pt, declaringMember == null ? pd.Name : "{0}.{1}".FormatString(declaringMember, pd.Name), optIn);
}
else if (pd.Attributes.OfType <ChoFixedLengthRecordFieldAttribute>().Any())
{
var obj = new ChoFixedLengthRecordFieldConfiguration(pd.Name, pd.Attributes.OfType <ChoFixedLengthRecordFieldAttribute>().First(), pd.Attributes.OfType <Attribute>().ToArray());
obj.FieldType = pt;
obj.PropertyDescriptor = pd;
obj.DeclaringMember = declaringMember == null ? null : "{0}.{1}".FormatString(declaringMember, pd.Name);
if (!FixedLengthRecordFieldConfigurations.Any(c => c.Name == pd.Name))
{
FixedLengthRecordFieldConfigurations.Add(obj);
}
}
}
}
else
{
foreach (PropertyDescriptor pd in ChoTypeDescriptor.GetProperties(recordType))
{
pt = pd.PropertyType.GetUnderlyingType();
if (pt != typeof(object) && !pt.IsSimple() && !typeof(IEnumerable).IsAssignableFrom(pt))
{
DiscoverRecordFields(pt, declaringMember == null ? pd.Name : "{0}.{1}".FormatString(declaringMember, pd.Name), optIn);
}
else
{
if (FixedLengthFieldDefaultSizeConfiguation == null)
{
size = ChoFixedLengthFieldDefaultSizeConfiguation.Instance.GetSize(pd.PropertyType);
}
else
{
size = FixedLengthFieldDefaultSizeConfiguation.GetSize(pd.PropertyType);
}
var obj = new ChoFixedLengthRecordFieldConfiguration(pd.Name, startIndex, size);
obj.FieldType = pt;
obj.PropertyDescriptor = pd;
obj.DeclaringMember = declaringMember == null ? null : "{0}.{1}".FormatString(declaringMember, pd.Name);
StringLengthAttribute slAttr = pd.Attributes.OfType <StringLengthAttribute>().FirstOrDefault();
if (slAttr != null && slAttr.MaximumLength > 0)
{
obj.Size = slAttr.MaximumLength;
}
DisplayAttribute dpAttr = pd.Attributes.OfType <DisplayAttribute>().FirstOrDefault();
if (dpAttr != null)
{
if (!dpAttr.ShortName.IsNullOrWhiteSpace())
{
obj.FieldName = dpAttr.ShortName;
}
else if (!dpAttr.Name.IsNullOrWhiteSpace())
{
obj.FieldName = dpAttr.Name;
}
}
DisplayFormatAttribute dfAttr = pd.Attributes.OfType <DisplayFormatAttribute>().FirstOrDefault();
if (dfAttr != null && !dfAttr.DataFormatString.IsNullOrWhiteSpace())
{
obj.FormatText = dfAttr.DataFormatString;
}
if (dfAttr != null && !dfAttr.NullDisplayText.IsNullOrWhiteSpace())
{
obj.NullValue = dfAttr.NullDisplayText;
}
if (!FixedLengthRecordFieldConfigurations.Any(c => c.Name == pd.Name))
{
FixedLengthRecordFieldConfigurations.Add(obj);
}
startIndex += size;
}
}
}
}
}
