public static object StringToField(this IFieldInfoDescriptor fieldDescriptor, string value)
{
if (value == null)
{
return(null);
}
value = fieldDescriptor.StringTrim(value);
if (string.Empty.Equals(value) && fieldDescriptor.Converter == null)
{
return(value);
}
if (fieldDescriptor.Converter == null && fieldDescriptor.Type == null)
{
return(value);
}
ConverterBase converterInstance =
fieldDescriptor.Converter == null
? ConverterFactory.GetDefaultConverter(fieldDescriptor.Type, fieldDescriptor.ConverterFormat)
: ConverterFactory.GetConverter(fieldDescriptor.Converter, fieldDescriptor.ConverterFormat);
return(converterInstance == null
? value
: converterInstance.StringToField(value));
}
internal static object StringToRecord(this IFieldInfoDescriptor fieldInfoDescriptor, string fieldString, char nullChar)
{
if (fieldString == null)
{
return(fieldInfoDescriptor.NullValue ?? null);
}
string stringNullRepresentation = new string(nullChar, fieldString.Length);
if (fieldString == stringNullRepresentation)
{
return(fieldInfoDescriptor.NullValue ?? null);
}
fieldString = fieldInfoDescriptor.StringTrim(fieldString);
ConverterBase converterInstance;
if (string.Empty.Equals(fieldString) && fieldInfoDescriptor.Converter == null)
{
if (fieldInfoDescriptor.NullValue != null)
{
fieldString = fieldInfoDescriptor.NullValue.ToString();
}
if (string.Empty.Equals(fieldString) && fieldInfoDescriptor.Converter == null)
{
if (fieldInfoDescriptor.Type != null)
{
converterInstance = ConverterFactory.GetDefaultConverter(fieldInfoDescriptor.Type, fieldInfoDescriptor.ConverterFormat);
return(converterInstance == null
? fieldString
: converterInstance.StringToField(fieldString));
}
return(fieldString);
}
}
if (fieldInfoDescriptor.Converter == null && fieldInfoDescriptor.Type == null)
{
return(fieldString);
}
if (string.IsNullOrWhiteSpace(fieldString) && fieldInfoDescriptor.NullValue != null)
{
fieldString = fieldInfoDescriptor.NullValue.ToString();
}
converterInstance =
fieldInfoDescriptor.Converter == null
? ConverterFactory.GetDefaultConverter(fieldInfoDescriptor.Type, fieldInfoDescriptor.ConverterFormat)
: ConverterFactory.GetConverter(fieldInfoDescriptor.Converter, fieldInfoDescriptor.ConverterFormat);
return(converterInstance == null
? fieldString
: converterInstance.StringToField(fieldString));
}
private static string CreateFieldString(this IFieldInfoDescriptor fieldInfoDescriptor, object fieldValue)
{
if (fieldInfoDescriptor.Converter == null)
{
if (fieldValue == null)
{
return(string.Empty);
}
return(fieldValue.ToString());
}
ConverterBase converterInstance =
ConverterFactory.GetConverter(fieldInfoDescriptor.Converter, fieldInfoDescriptor.ConverterFormat);
return(converterInstance?.FieldToString(fieldValue) ?? string.Empty);
}
public static string StringTrim(this IFieldInfoDescriptor recordInfo, string value)
{
switch (recordInfo.TrimMode)
{
case TrimMode.None:
return(value);
case TrimMode.Both:
return(value.Trim());
case TrimMode.Left:
return(value.TrimStart());
case TrimMode.Right:
return(value.TrimEnd());
}
return(value);
}
public static string ResolveType(this IFieldInfoDescriptor fieldDescriptor)
{
if (fieldDescriptor.Type == null && fieldDescriptor.Converter == null)
{
return("string");
}
var converterInstance =
fieldDescriptor.Converter == null
? ConverterFactory.GetDefaultConverter(fieldDescriptor.Type, fieldDescriptor.ConverterFormat)
: ConverterFactory.GetConverter(fieldDescriptor.Converter, fieldDescriptor.ConverterFormat);
if (converterInstance == null)
{
return("string");
}
return(converterInstance.FieldType);
}
public static string CreateFieldString(this IFieldInfoDescriptor fieldBuilder, object fieldValue)
{
ConverterBase converterInstance = null;
if (fieldBuilder.Type != null || fieldBuilder.Converter != null)
{
converterInstance = fieldBuilder.Converter == null
? ConverterFactory.GetDefaultConverter(fieldBuilder.Type, fieldBuilder.ConverterFormat)
: ConverterFactory.GetConverter(fieldBuilder.Converter, fieldBuilder.ConverterFormat);
}
if (converterInstance == null)
{
if (fieldValue == null)
{
return(string.Empty);
}
return(fieldValue.ToString());
}
return(converterInstance.FieldToString(fieldValue) ?? string.Empty);
}
internal static string RecordToString(this IFieldInfoDescriptor fieldInfoDescriptor, object record) => fieldInfoDescriptor.CreateFieldString(record);
