static void Main(string[] args)
{
string inputFilename = args[0];
string outputFilename = args[1];
string isaControlNumber = args.Length > 2 ? args[2] : "999";
string gsControlNumber = args.Length > 3 ? args[3] : "99";
var service = new X12AcknowledgmentService();
using (FileStream fs = new FileStream(inputFilename, FileMode.Open, FileAccess.Read))
{
using (X12StreamReader reader = new X12StreamReader(fs, Encoding.UTF8))
{
var firstTrans = reader.ReadNextTransaction();
if (reader.LastTransactionCode == "837")
{
if (reader.TransactionContainsSegment(firstTrans.Transactions[0], "SV2"))
service = new InstitutionalClaimAcknowledgmentService();
if (reader.TransactionContainsSegment(firstTrans.Transactions[0], "SV1"))
service = new X12AcknowledgmentService(new ProfessionalClaimSpecificationFinder());
}
}
}
using (FileStream fs = new FileStream(inputFilename, FileMode.Open, FileAccess.Read))
{
// Create aknowledgements and identify errors
var responses = service.AcknowledgeTransactions(fs);
// Change any acknowledgment codes here to reject transactions with errors
// CUSTOM BUSINESS LOGIC HERE
// Transform to outbound interchange for serialization
var interchange = new Interchange(DateTime.Now, int.Parse(isaControlNumber), true);
interchange.AuthorInfoQualifier = ConfigurationManager.AppSettings["AuthorInfoQualifier"];
interchange.AuthorInfo = ConfigurationManager.AppSettings["AuthorInfo"];
interchange.SecurityInfoQualifier = ConfigurationManager.AppSettings["SecurityInfoQualifier"];
interchange.SecurityInfo = ConfigurationManager.AppSettings["SecurityInfo"];
interchange.InterchangeSenderIdQualifier = ConfigurationManager.AppSettings["InterchangeSenderIdQualifier"];
interchange.InterchangeSenderId = ConfigurationManager.AppSettings["InterchangeSenderId"];
interchange.InterchangeReceiverIdQualifier = responses.First().SenderIdQualifier;
interchange.InterchangeReceiverId = responses.First().SenderId;
interchange.SetElement(12, "00501");
var group = interchange.AddFunctionGroup("FA", DateTime.Now, int.Parse(gsControlNumber));
group.ApplicationSendersCode = ConfigurationManager.AppSettings["InterchangeSenderId"];
group.VersionIdentifierCode = "005010X231A1";
group.Add999Transaction(responses);
// This is a demonstration example only, change true to false to create continous x12 without line feeds.
File.WriteAllText(outputFilename, interchange.SerializeToX12(true));
}
}
static void Main(string[] args)
{
var opts = new ExecutionOptions();
try
{
opts.LoadOptions(args);
}
catch (ArgumentException exc)
{
Console.Write(exc.Message);
return;
}
X12Parser parser = new X12Parser();
foreach (var filename in Directory.GetFiles(opts.InputDirectory, opts.FilenamePattern))
{
FileInfo inputFile = new FileInfo(filename);
List<Interchange> list = new List<Interchange>();
using (FileStream fs = new FileStream(inputFile.FullName, FileMode.Open, FileAccess.Read))
{
X12StreamReader reader = new X12StreamReader(fs, Encoding.UTF8);
X12FlatTransaction transaction = reader.ReadNextTransaction();
while (!string.IsNullOrEmpty(transaction.Transactions.First()))
{
string x12 = transaction.ToString();
var interchange = parser.ParseMultiple(x12).First();
if (opts.LoopId == "ST")
list.Add(interchange);
else
{
list.AddRange(parser.UnbundleByLoop(interchange, opts.LoopId));
}
transaction = reader.ReadNextTransaction();
}
}
List<Interchange> interchanges = parser.ParseMultiple(new FileStream(filename, FileMode.Open, FileAccess.Read));
for (int i = 0; i < list.Count; i++)
{
string outputFilename = String.Format(opts.FormatString, opts.OutputDirectory, inputFile.Name, i + 1, inputFile.Extension);
using (FileStream outputFilestream = new FileStream(outputFilename, FileMode.Create, FileAccess.Write))
{
using (StreamWriter writer = new StreamWriter(outputFilestream))
{
writer.Write(list[i].SerializeToX12(opts.IncludeWhitespace));
writer.Close();
}
outputFilestream.Close();
}
}
}
}
public List <Interchange> ParseMultiple(Stream stream, Encoding encoding)
{
var envelopes = new List <Interchange>();
using (X12StreamReader reader = new X12StreamReader(stream, encoding))
{
Interchange envelop = new Interchange(_specFinder, reader.CurrentIsaSegment);
envelopes.Add(envelop);
Container currentContainer = envelop;
FunctionGroup fg = null;
Transaction tr = null;
Dictionary <string, HierarchicalLoop> hloops = new Dictionary <string, HierarchicalLoop>();
string segmentString = reader.ReadNextSegment();
string segmentId = reader.ReadSegmentId(segmentString);
int segmentIndex = 1;
while (segmentString.Length > 0)
{
switch (segmentId)
{
case "ISA":
envelop = new Interchange(_specFinder, segmentString + reader.Delimiters.SegmentTerminator);
envelopes.Add(envelop);
currentContainer = envelop;
fg = null;
tr = null;
hloops = new Dictionary <string, HierarchicalLoop>();
break;
case "IEA":
if (envelop == null)
{
throw new InvalidOperationException(string.Format("Segment {0} does not have a matching ISA segment preceding it.", segmentString));
}
envelop.SetTerminatingTrailerSegment(segmentString);
break;
case "GS":
if (envelop == null)
{
throw new InvalidOperationException(String.Format("Segment '{0}' cannot occur before and ISA segment.", segmentString));
}
currentContainer = fg = envelop.AddFunctionGroup(segmentString);;
break;
case "GE":
if (fg == null)
{
throw new InvalidOperationException(String.Format("Segment '{0}' does not have a matching GS segment precending it.", segmentString));
}
fg.SetTerminatingTrailerSegment(segmentString);
fg = null;
break;
case "ST":
if (fg == null)
{
throw new InvalidOperationException(string.Format("segment '{0}' cannot occur without a preceding GS segment.", segmentString));
}
segmentIndex = 1;
currentContainer = tr = fg.AddTransaction(segmentString);
hloops = new Dictionary <string, HierarchicalLoop>();
break;
case "SE":
if (tr == null)
{
throw new InvalidOperationException(string.Format("Segment '{0}' does not have a matching ST segment preceding it.", segmentString));
}
tr.SetTerminatingTrailerSegment(segmentString);
tr = null;
break;
case "HL":
Segment hlSegment = new Segment(null, reader.Delimiters, segmentString);
string id = hlSegment.GetElement(1);
string parentId = hlSegment.GetElement(2);
if (parentId == "")
{
currentContainer = tr.AddHLoop(segmentString);
}
else
{
if (hloops.ContainsKey(parentId))
{
currentContainer = hloops[parentId].AddHLoop(segmentString);
}
else
{
throw new InvalidOperationException(String.Format("Hierarchical Loop {0} expects Parent ID {1} which did not occur preceding it.", id, parentId));
}
}
if (hloops.ContainsKey(id))
{
throw new InvalidOperationException(String.Format("Hierarchical Loop {0} cannot be added to transaction {1} because the ID {2} already exists.", segmentString, tr.ControlNumber, id));
}
hloops.Add(id, (HierarchicalLoop)currentContainer);
break;
case "TA1": // Technical acknowledgement
if (envelop == null)
{
throw new InvalidOperationException(string.Format("Segment {0} does not have a matching ISA segment preceding it.", segmentString));
}
envelop.AddSegment(segmentString);
break;
default:
while (currentContainer != null)
{
if (currentContainer.AddSegment(segmentString) != null)
{
break;
}
else
{
if (currentContainer is LoopContainer)
{
LoopContainer loopContainer = (LoopContainer)currentContainer;
Loop newLoop = loopContainer.AddLoop(segmentString);
if (newLoop != null)
{
currentContainer = newLoop;
break;
}
else
{
if (currentContainer is Transaction)
{
var tran = (Transaction)currentContainer;
throw new TransactionValidationException(
"Segment '{3}' in segment position {4} within transaction '{1}' cannot be identified within the supplied specification for transaction set {0}.", tran.IdentifierCode, tran.ControlNumber, "", segmentString, segmentIndex);
}
else
{
currentContainer = currentContainer.Parent;
continue;
}
}
}
else
{
break;
}
}
}
break;
}
segmentString = reader.ReadNextSegment();
segmentId = reader.ReadSegmentId(segmentString);
segmentIndex++;
}
return(envelopes);
}
}
static void Main(string[] args)
{
int maxBatchSize = 10 * 1012 * 1012; // 10 Mbytes
if (ConfigurationManager.AppSettings["MaxBatchSize"] != null)
maxBatchSize = Convert.ToInt32(ConfigurationManager.AppSettings["MaxBatchSize"]);
string x12Filename = args[0];
string outputFilename = args.Length > 1 ? args[1] : x12Filename + ".xml";
OopFactory.X12.Parsing.X12Parser parser = new Parsing.X12Parser();
byte[] header = new byte[6];
using (FileStream fs = new FileStream(x12Filename, FileMode.Open, FileAccess.Read))
{
// peak at first 6 characters to determine if this is a unicode file
fs.Read(header, 0, 6);
fs.Close();
}
Encoding encoding = (header[1] == 0 && header[3] == 0 && header[5] == 0) ? Encoding.Unicode : Encoding.UTF8;
if (new FileInfo(x12Filename).Length <= maxBatchSize)
{
using (FileStream fs = new FileStream(x12Filename, FileMode.Open, FileAccess.Read))
{
var interchanges = parser.ParseMultiple(fs, encoding);
if (interchanges.Count >= 1)
{
using (FileStream outputFs = new FileStream(outputFilename, FileMode.Create))
{
interchanges.First().Serialize(outputFs);
}
}
if (interchanges.Count > 1)
{
for (int i = 1; i < interchanges.Count; i++)
{
outputFilename = string.Format("{0}_{1}.xml", args.Length > 1 ? args[1] : x12Filename, i + 1);
using (FileStream outputFs = new FileStream(outputFilename, FileMode.Create))
{
interchanges[i].Serialize(outputFs);
}
}
}
}
}
else
{
using (FileStream fs = new FileStream(x12Filename, FileMode.Open, FileAccess.Read))
{
// Break up output files by batch size
X12StreamReader reader = new X12StreamReader(fs, encoding);
X12FlatTransaction currentTransactions = reader.ReadNextTransaction();
X12FlatTransaction nextTransaction = reader.ReadNextTransaction();
int i = 1;
while (!string.IsNullOrEmpty(nextTransaction.Transactions.First()))
{
if (currentTransactions.GetSize() + nextTransaction.GetSize() < maxBatchSize
&& currentTransactions.IsaSegment == nextTransaction.IsaSegment
&& currentTransactions.GsSegment == nextTransaction.GsSegment)
{
currentTransactions.Transactions.AddRange(nextTransaction.Transactions);
}
else
{
outputFilename = string.Format("{0}_{1}.xml", args.Length > 1 ? args[1] : x12Filename, i++);
using (FileStream outputFs = new FileStream(outputFilename, FileMode.Create))
{
parser.ParseMultiple(currentTransactions.ToString()).First().Serialize(outputFs);
}
currentTransactions = nextTransaction;
}
nextTransaction = reader.ReadNextTransaction();
}
outputFilename = string.Format("{0}_{1}.xml", args.Length > 1 ? args[1] : x12Filename, i++);
using (FileStream outputFs = new FileStream(outputFilename, FileMode.Create))
{
parser.ParseMultiple(currentTransactions.ToString()).First().Serialize(outputFs);
}
}
}
}
public List<Interchange> ParseMultiple(Stream stream, Encoding encoding)
{
var envelopes = new List<Interchange>();
using (X12StreamReader reader = new X12StreamReader(stream, encoding))
{
Interchange envelop = new Interchange(_specFinder, reader.CurrentIsaSegment);
envelopes.Add(envelop);
Container currentContainer = envelop;
FunctionGroup fg = null;
Transaction tr = null;
Dictionary<string, HierarchicalLoop> hloops = new Dictionary<string, HierarchicalLoop>();
string segmentString = reader.ReadNextSegment();
string segmentId = reader.ReadSegmentId(segmentString);
int segmentIndex = 1;
while (segmentString.Length > 0)
{
switch (segmentId)
{
case "ISA":
envelop = new Interchange(_specFinder, segmentString + reader.Delimiters.SegmentTerminator);
envelopes.Add(envelop);
currentContainer = envelop;
fg = null;
tr = null;
hloops = new Dictionary<string, HierarchicalLoop>();
break;
case "IEA":
if (envelop == null)
throw new InvalidOperationException(string.Format("Segment {0} does not have a matching ISA segment preceding it.", segmentString));
envelop.SetTerminatingTrailerSegment(segmentString);
break;
case "GS":
if (envelop == null)
throw new InvalidOperationException(String.Format("Segment '{0}' cannot occur before and ISA segment.", segmentString));
currentContainer = fg = envelop.AddFunctionGroup(segmentString); ;
break;
case "GE":
if (fg == null)
throw new InvalidOperationException(String.Format("Segment '{0}' does not have a matching GS segment precending it.", segmentString));
fg.SetTerminatingTrailerSegment(segmentString);
fg = null;
break;
case "ST":
if (fg == null)
throw new InvalidOperationException(string.Format("segment '{0}' cannot occur without a preceding GS segment.", segmentString));
segmentIndex = 1;
currentContainer = tr = fg.AddTransaction(segmentString);
hloops = new Dictionary<string, HierarchicalLoop>();
break;
case "SE":
if (tr == null)
throw new InvalidOperationException(string.Format("Segment '{0}' does not have a matching ST segment preceding it.", segmentString));
tr.SetTerminatingTrailerSegment(segmentString);
tr = null;
break;
case "HL":
Segment hlSegment = new Segment(null, reader.Delimiters, segmentString);
string id = hlSegment.GetElement(1);
string parentId = hlSegment.GetElement(2);
if (parentId == "")
currentContainer = tr.AddHLoop(segmentString);
else
{
if (hloops.ContainsKey(parentId))
currentContainer = hloops[parentId].AddHLoop(segmentString);
else
throw new InvalidOperationException(String.Format("Hierarchical Loop {0} expects Parent ID {1} which did not occur preceding it.", id, parentId));
}
if (hloops.ContainsKey(id))
throw new InvalidOperationException(String.Format("Hierarchical Loop {0} cannot be added to transaction {1} because the ID {2} already exists.", segmentString, tr.ControlNumber, id));
hloops.Add(id, (HierarchicalLoop)currentContainer);
break;
case "TA1": // Technical acknowledgement
if (envelop == null)
throw new InvalidOperationException(string.Format("Segment {0} does not have a matching ISA segment preceding it.", segmentString));
envelop.AddSegment(segmentString);
break;
default:
while (currentContainer != null)
{
if (currentContainer.AddSegment(segmentString) != null)
break;
else
{
if (currentContainer is LoopContainer)
{
LoopContainer loopContainer = (LoopContainer)currentContainer;
Loop newLoop = loopContainer.AddLoop(segmentString);
if (newLoop != null)
{
currentContainer = newLoop;
break;
}
else
{
if (currentContainer is Transaction)
{
var tran = (Transaction)currentContainer;
throw new TransactionValidationException(
"Segment '{3}' in segment position {4} within transaction '{1}' cannot be identified within the supplied specification for transaction set {0}.", tran.IdentifierCode, tran.ControlNumber, "", segmentString, segmentIndex);
}
else
{
currentContainer = currentContainer.Parent;
continue;
}
}
}
else
break;
}
}
break;
}
segmentString = reader.ReadNextSegment();
segmentId = reader.ReadSegmentId(segmentString);
segmentIndex++;
}
return envelopes;
}
}
public List <Interchange> ParseMultiple(Stream stream, Encoding encoding)
{
var envelopes = new List <Interchange>();
using (X12StreamReader reader = new X12StreamReader(stream, encoding, _ignoredChars))
{
Interchange envelop = new Interchange(_specFinder, reader.CurrentIsaSegment);
envelopes.Add(envelop);
Container currentContainer = envelop;
FunctionGroup fg = null;
Transaction tr = null;
Dictionary <string, HierarchicalLoop> hloops = new Dictionary <string, HierarchicalLoop>();
string segmentString = reader.ReadNextSegment();
string segmentId = reader.ReadSegmentId(segmentString);
int segmentIndex = 1;
Stack <string> containerStack = new Stack <string>();
while (segmentString.Length > 0)
{
switch (segmentId)
{
case "ISA":
envelop = new Interchange(_specFinder, segmentString + reader.Delimiters.SegmentTerminator);
envelopes.Add(envelop);
currentContainer = envelop;
fg = null;
tr = null;
hloops = new Dictionary <string, HierarchicalLoop>();
break;
case "IEA":
if (envelop == null)
{
throw new InvalidOperationException(string.Format("Segment {0} does not have a matching ISA segment preceding it.", segmentString));
}
envelop.SetTerminatingTrailerSegment(segmentString);
break;
case "GS":
if (envelop == null)
{
throw new InvalidOperationException(String.Format("Segment '{0}' cannot occur before and ISA segment.", segmentString));
}
currentContainer = fg = envelop.AddFunctionGroup(segmentString);;
break;
case "GE":
if (fg == null)
{
throw new InvalidOperationException(String.Format("Segment '{0}' does not have a matching GS segment precending it.", segmentString));
}
fg.SetTerminatingTrailerSegment(segmentString);
fg = null;
break;
case "ST":
if (fg == null)
{
throw new InvalidOperationException(string.Format("segment '{0}' cannot occur without a preceding GS segment.", segmentString));
}
segmentIndex = 1;
currentContainer = tr = fg.AddTransaction(segmentString);
hloops = new Dictionary <string, HierarchicalLoop>();
break;
case "SE":
if (tr == null)
{
throw new InvalidOperationException(string.Format("Segment '{0}' does not have a matching ST segment preceding it.", segmentString));
}
tr.SetTerminatingTrailerSegment(segmentString);
tr = null;
break;
case "HL":
Segment hlSegment = new Segment(null, reader.Delimiters, segmentString);
string id = hlSegment.GetElement(1);
string parentId = hlSegment.GetElement(2);
string levelCode = hlSegment.GetElement(3);
while (!(currentContainer is HierarchicalLoopContainer) || !((HierarchicalLoopContainer)currentContainer).AllowsHierarchicalLoop(levelCode))
{
if (currentContainer.Parent != null)
{
currentContainer = currentContainer.Parent;
}
else
{
throw new InvalidOperationException(String.Format("Heierchical Loop {0} cannot be added to transaction set {1} because it's specification cannot be identified.", segmentString, tr.ControlNumber));
}
}
bool parentFound = false;
if (parentId != "")
{
if (hloops.ContainsKey(parentId))
{
parentFound = true;
currentContainer = hloops[parentId].AddHLoop(segmentString);
}
else
{
if (_throwExceptionOnSyntaxErrors)
{
throw new InvalidOperationException(String.Format("Hierarchical Loop {0} expects Parent ID {1} which did not occur preceding it. To change this to a warning, pass throwExceptionOnSyntaxErrors = false to the X12Parser constructor.", id, parentId));
}
else
{
OnParserWarning(new X12ParserWarningEventArgs
{
FileIsValid = false,
InterchangeControlNumber = envelop.InterchangeControlNumber,
FunctionalGroupControlNumber = fg.ControlNumber,
TransactionControlNumber = tr.ControlNumber,
SegmentPositionInInterchange = segmentIndex,
Segment = segmentString,
SegmentId = segmentId,
Message = String.Format("Hierarchical Loop {0} expects Parent ID {1} which did not occur preceding it. This will be parsed as if it has no parent, but the file may not be valid.", id, parentId)
});
}
}
}
if (parentId == "" || !parentFound)
{
while (!(currentContainer is HierarchicalLoopContainer && ((HierarchicalLoopContainer)currentContainer).HasHierachicalSpecs()))
{
currentContainer = currentContainer.Parent;
}
currentContainer = ((HierarchicalLoopContainer)currentContainer).AddHLoop(segmentString);
//hloops = new Dictionary<string, HierarchicalLoop>();
}
if (hloops.ContainsKey(id))
{
throw new InvalidOperationException(String.Format("Hierarchical Loop {0} cannot be added to transaction {1} because the ID {2} already exists.", segmentString, tr.ControlNumber, id));
}
hloops.Add(id, (HierarchicalLoop)currentContainer);
break;
case "TA1": // Technical acknowledgement
if (envelop == null)
{
throw new InvalidOperationException(string.Format("Segment {0} does not have a matching ISA segment preceding it.", segmentString));
}
envelop.AddSegment(segmentString);
break;
default:
var originalContainer = currentContainer;
containerStack.Clear();
while (currentContainer != null)
{
if (currentContainer.AddSegment(segmentString) != null)
{
if (segmentId == "LE")
{
currentContainer = currentContainer.Parent;
}
break;
}
else
{
if (currentContainer is LoopContainer)
{
LoopContainer loopContainer = (LoopContainer)currentContainer;
Loop newLoop = loopContainer.AddLoop(segmentString);
if (newLoop != null)
{
currentContainer = newLoop;
break;
}
else
{
if (currentContainer is Transaction)
{
var tran = (Transaction)currentContainer;
if (_throwExceptionOnSyntaxErrors)
{
throw new TransactionValidationException(
"Segment '{3}' in segment position {4} within transaction '{1}' cannot be identified within the supplied specification for transaction set {0} in any of the expected loops: {5}. To change this to a warning, pass throwExceptionOnSyntaxErrors = false to the X12Parser constructor.", tran.IdentifierCode, tran.ControlNumber, "", segmentString, segmentIndex, string.Join(",", containerStack));
}
else
{
currentContainer = originalContainer;
currentContainer.AddSegment(segmentString, true);
OnParserWarning(new X12ParserWarningEventArgs
{
FileIsValid = false,
InterchangeControlNumber = envelop.InterchangeControlNumber,
FunctionalGroupControlNumber = fg.ControlNumber,
TransactionControlNumber = tran.ControlNumber,
SegmentPositionInInterchange = segmentIndex,
SegmentId = segmentId,
Segment = segmentString,
Message = string.Format("Segment '{3}' in segment position {4} within transaction '{1}' cannot be identified within the supplied specification for transaction set {0} in any of the expected loops: {5}. It will be added to loop {6}, but this may invalidate all subsequent segments.", tran.IdentifierCode, tran.ControlNumber, "", segmentString, segmentIndex, string.Join(",", containerStack), containerStack.LastOrDefault())
});
break;
}
}
else
{
if (currentContainer is Loop)
{
containerStack.Push(((Loop)currentContainer).Specification.LoopId);
}
if (currentContainer is HierarchicalLoop)
{
var hloop = ((HierarchicalLoop)currentContainer);
containerStack.Push(string.Format("{0}[{1}]", hloop.Specification.LoopId, hloop.Id));
}
currentContainer = currentContainer.Parent;
continue;
}
}
}
else
{
break;
}
}
}
break;
}
segmentString = reader.ReadNextSegment();
segmentId = reader.ReadSegmentId(segmentString);
segmentIndex++;
}
return(envelopes);
}
}