Look sharp

C# .NET Core 6: Get rootname, namespace or DTD using xmlreader

using (var stream = new MemoryStream())
{
	FormFile?.CopyTo(stream);
	stream.Seek(0, SeekOrigin.Begin);

	var settings = new XmlReaderSettings()
	{
		// Parse file but do not reolve
		DtdProcessing = DtdProcessing.Parse,
		XmlResolver = null
	};

	using (var reader = XmlReader.Create(stream, settings))
	{
		var done = false;

		while (reader.Read() && !done)
		{
			// something weird happened, bail out
			//if (reader.EOF)
			//	return;

			switch (reader.NodeType)
			{
				// Assume cXML
				case XmlNodeType.DocumentType:
					DocumentType = reader.GetAttribute("SYSTEM") + "";
					break;

				case XmlNodeType.Element:
					switch (reader.LocalName)
					{
						// Assume an UBL dpcument of some kind
						case "CustomizationID":
							reader.Read();
							SetCustomization(reader.Value);
							break;

						// Only OIOUBL, done and exit
						case "UBLlVersionID":
							reader.Read();
							UblVersion = reader.Value;
							done = true;
							break;

						// Only OIOXML, done and exit
						case "TypeCode":
							reader.Read();
							TypeCode = reader.Value;
							done = true;
							break;

						default:
							if (string.IsNullOrEmpty(RootName))
							{
								RootName = reader.Name;
								SetNamespace(reader.NamespaceURI);
							}
							break;
					}
					break;
			}
		}
		reader.Close();
	}
}

Validate EDI is moved to https://looksharp.dk/post/2024/01/12/Validate-EDI-XML-Edifact-and-Ansi-X12

Project released on Hostinger:
https://validatefile.dk/

An utility to retrieve current year

This is a procedure to use in Seeburger BIC Mapping Designer

/*  -----------------------------
    Peter Lykkegaard, 25 apr 2023
    -----------------------------
    procedure getUUID
  
    Parameters:
        None
    Output
        String
    Get ramdom UUID
    ----------------------------- */
 
#importJavaStart
    import java.util.UUID;
#importJavaEnd

local 
    lvOutput$;

#javastart
    _StrVar_LVOUTPUT.setString(UUID.randomUUID().toString());
#javaend

exitProc(lvOutput$);

An utility to decode or unescape HTML characters in XML (EDI) documents

This is a procedure to use in Seeburger BIC Mapping Designer
It will extend your library for string handling

/*  -----------------------------
    Peter Lykkegaard, 25 apr 2023
    -----------------------------
    procedure unescapeHTML

    Parameters:
        Source / String, alphanumeric
    Output
        String, alphanumericString

    Adapted from How to Unescape HTML in Java using Plain Java
    https://howtodoinjava.com/java/string/unescape-html-to-string/
    ----------------------------- */

local lvOutput$;

#importJavaStart
    import java.util.HashMap;
#importJavaEnd

// Save source in case changes are not needed
copy pSource$ to lvOutput$;

// Check for any ampersand / & character
if (containsSubstring(pSource$, "&") != 0)

    if (containsSubstring(pSource$, "&") != 0)
        // HTML decode ampersand / &
        copy replaceAll(pSource$, "&", "&") to pSource$;
    endif
    
#javastart

    int i, j;

    boolean continueLoop;
    int skip = 0;

    HashMap<String, String> htmlEntities = new HashMap<String, String>();

    htmlEntities.put("<", "<");
    htmlEntities.put(">", ">");
    htmlEntities.put("&", "&");
    htmlEntities.put(""", "\"");
    htmlEntities.put(" ", " ");
    htmlEntities.put("©", "\u00a9");
    htmlEntities.put("®", "\u00ae");
    htmlEntities.put("€", "\u20a0");

    htmlEntities.put("Å", "Å");
    htmlEntities.put("Æ", "Æ");
    htmlEntities.put("Ø", "Ø");

    htmlEntities.put("å", "å");
    htmlEntities.put("æ", "æ");
    htmlEntities.put("ø", "ø");

    String source = _StrVar_PSOURCE.getString();

    do {
        continueLoop = false;
        i = source.indexOf("&", skip);
        if (i > -1) {
            j = source.indexOf(";", i);
            if (j > i) {
                String entityToLookFor = source.substring(i, j + 1);
                String value = (String) htmlEntities.get(entityToLookFor);
                if (value != null) {
                    source = source.substring(0, i) + value + source.substring(j + 1);
                    continueLoop = true;
                } else if (value == null) {
                skip = i + 1;
            continueLoop = true;
          }
        }
      }
    } while (continueLoop);

    _StrVar_LVOUTPUT.setString(source);

#javaend

endif
   
exitProc(lvOutput$);

An utility to format current datetime as a UTC string according to RFC 3339

A procedure to use in Seeburger BIC Mapping Designer
It will extend your library for string handling

// -----------------------------
// Peter Lykkegaard, 12 okt 2022
// -----------------------------
// procedure getCurrentDateTimeUTC
// Parameters: None
//     Get current date / time
//     Format as String in UTC RFC 3339 format (eg 2022-10-13T23:37:18+02:00)
// Output
//    alphanumeric / String 
// Ref: https://medium.easyread.co/understanding-about-rfc-3339-for-datetime-formatting-in-software-engineering-940aa5d5f68a

#importJavaStart
    import java.time.format.DateTimeFormatter;
    import java.time.OffsetDateTime;
#importJavaEnd

local output$;

#javaStart
    String output;

    DateTimeFormatter dtf = DateTimeFormatter.ofPattern("yyyy-MM-dd'T'HH:mm:ssXXX");
    OffsetDateTime now = OffsetDateTime.now();
    output = dtf.format(now);

    _StrVar_OUTPUT.setString(output);
#javaEnd

exitProc(output$);