/// <summary>
/// Write with custom separators
/// All separators can be set - segment terminator, data element terminator, component data element terminator and repetition delimiter
/// When not set, the default separators for EDIFACT standard are used
/// UNA segment is automatically applied if the separators are different than the default
/// </summary>
static void WriteWithCustomSeparators()
{
Debug.WriteLine("******************************");
Debug.WriteLine(MethodBase.GetCurrentMethod().Name);
Debug.WriteLine("******************************");
var invoice = CreateInvoice("1");
using (var stream = new MemoryStream())
{
var writer = new EdifactWriter(stream, Encoding.Default, Environment.NewLine);
// Set a custom segment separator.
var separators = new Separators('|', Separators.Edifact.ComponentDataElement,
Separators.Edifact.DataElement, Separators.Edifact.RepetitionDataElement, Separators.Edifact.Escape);
// Write the UNB with the custom separator set
writer.Write(Helpers.CreateUnb("1"), separators);
writer.Write(invoice);
writer.Flush();
Debug.Write(Helpers.LoadString(stream));
}
}
/// <summary>
/// Batch multiple transactions in the same functional group\EDI stream
/// </summary>
static void WriteMultipleInvoices()
{
Debug.WriteLine("******************************");
Debug.WriteLine(MethodBase.GetCurrentMethod().Name);
Debug.WriteLine("******************************");
using (var stream = new MemoryStream())
{
var writer = new EdifactWriter(stream, Encoding.Default, Environment.NewLine);
writer.Write(Helpers.CreateUnb("1"));
// 1. Write the first invoice
writer.Write(CreateInvoice("1"));
// 2. Write the second invoice
writer.Write(CreateInvoice("2"));
// 3. Write any subsequent invoices...
writer.Flush();
Debug.Write(Helpers.LoadString(stream));
}
}
/// <summary>
/// Generate and write EDI document to a stream
/// </summary>
static void WriteSingleInvoiceToStream()
{
Debug.WriteLine("******************************");
Debug.WriteLine(MethodBase.GetCurrentMethod().Name);
Debug.WriteLine("******************************");
// 1. Construct the invoice message with data from database, service or domain objects\logic.
var invoice = CreateInvoice("1");
// 2. Validate it to ensure the object adheres to the rule
// Always skip trailer validation because all trailers are automatically generated by the writer
MessageErrorContext errorContext;
if (invoice.IsValid(out errorContext, true))
{
Debug.WriteLine("Message {0} with control number {1} is valid.", errorContext.Name, errorContext.ControlNumber);
// 3. Write to a stream
using (var stream = new MemoryStream())
{
// 4. Use CRLF(new line) as segment postfix for clarity
// Always agree postfixes and separators with the trading partner
var writer = new EdifactWriter(stream, Encoding.Default, Environment.NewLine);
// 5. Begin with UNB segment
writer.Write(Helpers.CreateUnb("1"));
// 6. Write all transactions
writer.Write(invoice);
// No need to close any of the above
// 7. Always flush at the end to release the cache
writer.Flush();
Debug.Write(Helpers.LoadString(stream));
}
}
else
{
// The purchase order is invalid
// Report it back to the sender, log, etc.
// Inspect MessageErrorContext for the validation errors
var errors = errorContext.Flatten();
Debug.WriteLine("Message {0} with control number {1} is invalid with errors:", errorContext.Name, errorContext.ControlNumber);
foreach (var error in errors)
{
Debug.WriteLine(error);
}
}
}
private static string BuildAck(UNB originalUnb, UNG originalUng, EdiMessage ack, int unbControlNumber = 1, int ungControlNumber = 1)
{
var memoryStream = new MemoryStream();
var writer = new EdifactWriter(memoryStream, Encoding.Default, Environment.NewLine);
writer.Write(originalUnb.ToAckUnb(unbControlNumber.ToString()));
if (originalUng != null)
{
writer.Write(originalUng.ToAckUng(ungControlNumber.ToString()));
}
writer.Write(ack);
writer.Flush();
memoryStream.Position = 0;
using (var reader = new StreamReader(memoryStream))
return(reader.ReadToEnd());
}
public static string Generate(List <EdiItem> items, Separators separators, string postFix,
Encoding encoding = null, UNA una = null)
{
using (var stream = new MemoryStream())
{
var writer = new EdifactWriter(stream, encoding, postFix);
if (una != null)
{
writer.Write(una);
}
foreach (var item in items)
{
var message = item as EdiMessage;
if (message != null)
{
writer.Write(message);
continue;
}
var gs = item as UNG;
if (gs != null)
{
writer.Write(gs);
continue;
}
var ge = item as UNE;
if (ge != null)
{
continue;
}
var unb = item as UNB;
if (unb != null)
{
writer.Write(unb, separators);
}
}
writer.Flush();
return(CommonHelper.LoadString(stream));
}
}
public void TestNoPreserveWhiteSpace()
{
// ARRANGE
const string sample = "EdiWeave.UnitTests.Edifact.Edi.Edifact_INVOIC_D00A_WriteNoPreserveWhitespace.txt";
var expected = CommonHelper.LoadString(sample, Encoding.UTF8);
string actual;
// ACT
using (var stream = new MemoryStream())
{
var writer = new EdifactWriter(stream, Encoding.UTF8, Environment.NewLine);
writer.Write(EdifactHelper.CreateUnb());
writer.Write(EdifactHelper.CreateInvoice());
writer.Flush();
actual = CommonHelper.LoadString(stream);
}
// ASSERT
Assert.AreEqual(expected, actual);
}
/// <summary>
/// Write with explicit UNA
/// </summary>
static void WriteWithUna()
{
Debug.WriteLine("******************************");
Debug.WriteLine(MethodBase.GetCurrentMethod().Name);
Debug.WriteLine("******************************");
var invoice = CreateInvoice("1");
using (var stream = new MemoryStream())
{
var writer = new EdifactWriter(stream);
// Write the custom UNA
writer.Write(Separators.Edifact.ToUna());
writer.Write(Helpers.CreateUnb("1"));
writer.Write(invoice);
writer.Flush();
Debug.Write(Helpers.LoadString(stream));
}
}
/// <summary>
/// Generate and write EDI document to a file
/// </summary>
static void WriteSingleInvoiceToFile()
{
Debug.WriteLine("******************************");
Debug.WriteLine(MethodBase.GetCurrentMethod().Name);
Debug.WriteLine("******************************");
// 1. Construct the invoice message with data from database, service or domain objects\logic.
var invoice = CreateInvoice("1");
// Ensure the object adheres to the rule
// Skip trailer validation
MessageErrorContext errorContext;
if (invoice.IsValid(out errorContext, true))
{
Debug.WriteLine("Message {0} with control number {1} is valid.", errorContext.Name,
errorContext.ControlNumber);
// 3. Use default encoding and no segment postfix
// Write directly to a file
var writer = new EdifactWriter(@"C:\Test\Output.txt", false);
writer.Write(Helpers.CreateUnb("1"));
writer.Write(invoice);
// 4. Always flush at the end to release the cache
writer.Flush();
writer.Dispose();
Debug.WriteLine("Written to file.");
}
else
{
// The purchase order is invalid
}
}
/// <summary>
/// Write transactions with whitespace
/// By default properties set to whitespace are omitted
/// </summary>
static void WriteSegmentWithWhitespace()
{
Debug.WriteLine("******************************");
Debug.WriteLine(MethodBase.GetCurrentMethod().Name);
Debug.WriteLine("******************************");
var invoice = CreateInvoice("1");
// Initialize some properties with blanks
invoice.BGM.Responsetypecoded_04 = "";
using (var stream = new MemoryStream())
{
// Set the PreserveWhitespace flag to true
var writer = new EdifactWriter(stream, null, "", true);
writer.Write(Helpers.CreateUnb("1"));
writer.Write(invoice);
writer.Flush();
Debug.Write(Helpers.LoadString(stream));
}
}
/// <summary>
/// Batch multiple interchanges in the same EDI stream
/// </summary>
static void WriteMultipleInterchanges()
{
Debug.WriteLine("******************************");
Debug.WriteLine(MethodBase.GetCurrentMethod().Name);
Debug.WriteLine("******************************");
using (var stream = new MemoryStream())
{
var writer = new EdifactWriter(stream, Encoding.Default, Environment.NewLine);
// 1. Write the first interchange
writer.Write(Helpers.CreateUnb("1"));
writer.Write(CreateInvoice("1"));
// 2. Write the second interchange
// No need to close the previous interchange with a IEA
writer.Write(Helpers.CreateUnb("2"));
writer.Write(CreateInvoice("1"));
writer.Flush();
Debug.Write(Helpers.LoadString(stream));
}
}
