public IEnumerable <TextileNameMapping> GetTextileNameMappings()
{
var textileNameMappingFilePath = string.Concat(AppSettingConfig.TextileNameMappingFilePath());
//this code segment read data from the file.
FileStream fs2 = new FileStream(textileNameMappingFilePath, FileMode.Open, FileAccess.Read);
StreamReader reader = new StreamReader(fs2);
var cacheJson = reader.ReadToEnd();
IEnumerable <TextileNameMapping> textileNameMappings = JsonConvert.DeserializeObject <IEnumerable <TextileNameMapping> >(cacheJson);
reader.Close();
return(textileNameMappings);
}