/// <summary>
/// Converts xml edi into message context
/// </summary>
/// <param name="message">
/// The xml edi.
/// </param>
/// <returns>
/// The message context.
/// </returns>
private Tuple <string, string, string, EdiFormats> ToContextX12(XElement message)
{
XNamespace ns = message.Name.NamespaceName;
var st = message.Element(ns + "S_" + EdiSegments.St);
if (st == null)
{
throw new ParserException("Can't find ST segment.");
}
if (message.Parent == null || message.Parent.Parent == null || message.Parent.Parent.Parent == null ||
message.Parent.Parent.Parent.Parent == null)
{
throw new ParserException("Can't find GROUP segment.");
}
var gs = message.Parent.Parent.Parent.Parent.Element(ns + "S_" + EdiSegments.Gs);
if (gs == null)
{
throw new ParserException("Can't find GS segment.");
}
var tag = st.Element(ns + EdiElements.StTag) ?? st.Element(ns + EdiElements.StTagHipaa);
if (tag == null)
{
throw new ParserException("Can't find " + EdiElements.StTag);
}
var version = gs.Element(ns + EdiElements.GsVersion);
if (version == null)
{
throw new ParserException("Can't find " + EdiElements.GsVersion);
}
if (version.Value.Length < 6)
{
throw new ParserException("Version length should be at least 6.");
}
var versionString = version.Value.Substring(0, 6);
string origin = null;
if (version.Value.Count() > 10)
{
origin = version.Value.Substring(6, 4);
}
var format = HipaaHelper.IsHipaa(versionString + origin) ? EdiFormats.Hipaa : EdiFormats.X12;
return(new Tuple <string, string, string, EdiFormats>(tag.Value, versionString, origin, format));
}
/// <summary>
/// Validates the XML EDI against XSD.
/// Dynamically finds the appropriate XSD from the validation assembly.
/// </summary>
/// <param name="definitionsAssemblyName">
/// The assembly name of the project containing the classes.
/// </param>
/// <returns>
/// List of broken rules.
/// This lists out all of the validation failures.
/// </returns>
/// <example>
/// Validate message with XSD in the default assembly EdiFabric.Validators.dll.
/// <code lang="C#">
/// var interchange = new Interchange();
/// // Construct the object...
/// List<string> brokenRules = (List<string>)interchange.Groups[0].Messages[0].Validate();
/// </code>
/// </example>
public IEnumerable <string> Validate(string definitionsAssemblyName = null)
{
var validators = definitionsAssemblyName ?? GetAssemblyName();
var result = new List <string>();
var schemas = new XmlSchemaSet();
// Find the assembly containing the XSD
var assembly = Assembly.Load(new AssemblyName(validators));
if (assembly == null)
{
throw new Exception(
string.Format("Can't load assembly {0}. Please make sure your project has a reference to it.",
validators));
}
// Build the XSD name
var postfix = HipaaHelper.GetPostfix(Context.Origin);
var format = Context.Format.ToString().ToUpper();
if (Context.Format == EdiFormats.Edifact)
{
format = "EFCT";
}
var resource = string.Format("{0}.EF_{1}_{2}_{3}{4}.xsd", validators, format, Context.Version,
Context.Tag, postfix != null ? "_" + postfix : "");
// Get the XSD
var stream = assembly.GetManifestResourceStream(resource);
if (stream == null)
{
throw new Exception(
string.Format(
"Can't find resource {0} in assembly {1}. Please make sure that it exists, VS default namespace is the same as the assembly name and its Build Action is set to Embedded Resource.",
resource, validators));
}
schemas.Add(Item.Name.Namespace.NamespaceName, XmlReader.Create(stream));
// Validate against the XSD
var xDoc = new XDocument(Item);
xDoc.Validate(schemas, (o, e) => result.Add(e.Message));
return(result);
}
/// <summary>
/// Converts EDI interchange headers into message context.
/// </summary>
/// <param name="envelopes">The interchange headers.</param>
/// <param name="interchangeContext">The interchange context.</param>
private void ToContextX12(IEnumerable <string> envelopes, InterchangeContext interchangeContext)
{
var enumerable = envelopes as List <string> ?? envelopes.ToList();
string version;
string origin;
string format;
string tag;
try
{
var gs = enumerable.Single(es => es.StartsWith(EdiSegments.Gs));
var ediCompositeDataElementsGs = EdiHelper.GetEdiCompositeDataElements(gs, interchangeContext);
version = ediCompositeDataElementsGs[7].Substring(0, 6);
origin = ediCompositeDataElementsGs[7].Count() >= 10
? ediCompositeDataElementsGs[7].Substring(6, 4)
: null;
format = HipaaHelper.IsHipaa(version + origin) ? EdiFormats.Hipaa.ToString() : EdiFormats.X12.ToString();
if (!HipaaHelper.IsHipaa(version + origin))
{
origin = null;
}
}
catch (Exception ex)
{
throw new ParserException("Can't parse GS segment.", ex);
}
try
{
var st = enumerable.Single(es => es.StartsWith(EdiSegments.St));
var ediCompositeDataElementsSt = EdiHelper.GetEdiCompositeDataElements(st, interchangeContext);
tag = ediCompositeDataElementsSt[0];
}
catch (Exception ex)
{
throw new ParserException("Can't parse ST segment.", ex);
}
Tag = tag;
Version = version;
Origin = origin;
Format = ToFormat(format);
}
/// <summary>
/// Converts XML EDI into message context.
/// </summary>
/// <param name="message">
/// The XML EDI.
/// </param>
private void ToContextX12(XElement message)
{
XNamespace ns = message.Name.NamespaceName;
var st = message.Element(ns + "S_" + EdiSegments.St);
if (st == null)
{
throw new ParserException("Can't find ST segment.");
}
if (message.Parent == null || message.Parent.Parent == null || message.Parent.Parent.Parent == null ||
message.Parent.Parent.Parent.Parent == null)
{
throw new ParserException("Can't find GROUP segment.");
}
var gs = message.Parent.Parent.Parent.Parent.Element(ns + "S_" + EdiSegments.Gs);
if (gs == null)
{
throw new ParserException("Can't find GS segment.");
}
XElement tag = null;
if (st.Descendants().Any(x => x.Name.LocalName.IndexOf(EdiElements.StTag, StringComparison.Ordinal) != -1))
{
tag = st.Descendants().First(x => x.Name.LocalName.IndexOf(EdiElements.StTag, StringComparison.Ordinal) != -1);
}
else if (st.Descendants().Any(x => x.Name.LocalName.IndexOf(EdiElements.StTagHipaa, StringComparison.Ordinal) != -1))
{
tag = st.Descendants().First(x => x.Name.LocalName.IndexOf(EdiElements.StTagHipaa, StringComparison.Ordinal) != -1);
}
if (tag == null)
{
throw new ParserException("Can't find " + EdiElements.StTag);
}
var version = gs.Element(ns + EdiElements.GsVersion);
if (version == null)
{
throw new ParserException("Can't find " + EdiElements.GsVersion);
}
if (version.Value.Length < 6)
{
throw new ParserException("Version length should be at least 6.");
}
var versionString = version.Value.Substring(0, 6);
string origin = null;
if (version.Value.Count() >= 10)
{
origin = version.Value.Substring(6, 4);
}
var format = HipaaHelper.IsHipaa(versionString + origin) ? EdiFormats.Hipaa : EdiFormats.X12;
Tag = tag.Value;
Version = versionString;
Origin = origin;
Format = format;
}
