using IReferencedDocument instead of IDatedReference

library/src/main/java/org/mustangproject/DatedReference.java

@@ -1,46 +0,0 @@
-package org.mustangproject;
-
-import org.mustangproject.ZUGFeRD.IDatedReference;
-
-import java.beans.BeanProperty;
-import java.util.Date;
-
-public class DatedReference implements IDatedReference {
-
-	protected String ID;
-	protected Date opDate;
-
-	public DatedReference setDate(Date opDate) {
-		this.opDate = opDate;
-		return this;
-	}
-
-	public DatedReference setID(String ID) {
-		this.ID = ID;
-		return this;
-	}
-
-	public DatedReference() {
-
-	}
-
-	public DatedReference(String ID) {
-		setID(ID);
-	}
-
-	public DatedReference(String ID, Date theDate) {
-		setID(ID);
-		setDate(theDate);
-	}
-
-
-	@Override
-	public String getID() {
-		return ID;
-	}
-
-	@Override
-	public Date getDate() {
-		return opDate;
-	}
-}

library/src/main/java/org/mustangproject/Invoice.java

@@ -54,7 +54,7 @@ public class Invoice implements IExportableTransaction {
 	protected BigDecimal totalPrepaidAmount = null;
 	protected Date detailedDeliveryDateStart = null;
 	protected Date detailedDeliveryPeriodEnd = null;
-	protected IDatedReference tenderReference = null;
+	protected IReferencedDocument tenderReference = null;
 
 	protected ArrayList<IZUGFeRDAllowanceCharge> Allowances = new ArrayList<>(),
 		Charges = new ArrayList<>(), LogisticsServiceCharges = new ArrayList<>();
@@ -151,7 +151,7 @@ public class Invoice implements IExportableTransaction {
 	/***
 	 * BT-17
 	 */
-	public IDatedReference getTenderReferencedDocument() {
+	public IReferencedDocument getTenderReferencedDocument() {
 		return tenderReference;
 	}
 
@@ -161,13 +161,13 @@ public class Invoice implements IExportableTransaction {
 	 * @param dr
 	 * @return
 	 */
-	public Invoice setTenderReferencedDocument(DatedReference dr) {
+	public Invoice setTenderReferencedDocument(ReferencedDocument dr) {
 		tenderReference=dr;
 		return this;
 	}
 	
 	public Invoice setTenderReferencedDocument(String ID) {
-		DatedReference dr=new DatedReference(ID);
+		ReferencedDocument dr=new ReferencedDocument(ID);
 		setTenderReferencedDocument(dr);
 		return this;
 	}

library/src/main/java/org/mustangproject/Item.java

@@ -3,10 +3,7 @@ package org.mustangproject;
 import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonInclude;
-import org.mustangproject.ZUGFeRD.IReferencedDocument;
+import org.mustangproject.ZUGFeRD.*;
-import org.mustangproject.ZUGFeRD.IZUGFeRDAllowanceCharge;
-import org.mustangproject.ZUGFeRD.IZUGFeRDExportableItem;
-import org.mustangproject.ZUGFeRD.LineCalculator;
 import org.mustangproject.util.NodeMap;
 import org.w3c.dom.Node;
 import org.w3c.dom.NodeList;
@@ -38,6 +35,7 @@ public class Item implements IZUGFeRDExportableItem {
 	protected String id;
 	protected String buyerOrderReferencedDocumentLineID = null;
 	protected String buyerOrderReferencedDocumentID = null;
+	protected IReferencedDocument tenderReferencedDocument=null;
 	protected Product product;
 	protected ArrayList<String> notes = null;
 	protected ArrayList<ReferencedDocument> referencedDocuments = null;
@@ -622,6 +620,16 @@ public class Item implements IZUGFeRDExportableItem {
 		return detailedDeliveryPeriodTo;
 	}
 
+	@Override
+	public IReferencedDocument getTenderReferencedDocument() {
+		return tenderReferencedDocument;
+	}
+
+	public Item getTenderReferencedDocument(IReferencedDocument idr) {
+		tenderReferencedDocument=idr;
+		return this;
+	}
+
 	public IZUGFeRDExportableItem addNotes(Collection<IncludedNote> notes) {
 		if (notes == null) {
 			return this;

library/src/main/java/org/mustangproject/ZUGFeRD/IDatedReference.java

@@ -1,10 +0,0 @@
-package org.mustangproject.ZUGFeRD;
-
-import java.util.Date;
-
-public interface IDatedReference {
-	public String getID();
-	default Date getDate() {
-		return null;
-	}
-}

library/src/main/java/org/mustangproject/ZUGFeRD/IExportableTransaction.java

@@ -219,7 +219,7 @@ public interface IExportableTransaction {
 	 *
 	 * @return mandatory ID, optional Date
 	 */
-	default IDatedReference getTenderReferencedDocument() {
+	default IReferencedDocument getTenderReferencedDocument() {
 		return null;
 	}
 

library/src/main/java/org/mustangproject/ZUGFeRD/IZUGFeRDExportableItem.java

@@ -156,12 +156,20 @@ public interface IZUGFeRDExportableItem extends IAbsoluteValueProvider{
 	}
 
 
-
 	/***
-	 * specifies the item level delivery period (there is also one on document level),
+	 * tender reference on line level BT-128
-	 * this will be included in a BillingSpecifiedPeriod element
+	 * @return BT-17 on line level
-	 * @return the beginning of the delivery period
 	 */
+	default IReferencedDocument getTenderReferencedDocument() {
+		return null;
+	}
+
+
+		/***
+		 * specifies the item level delivery period (there is also one on document level),
+		 * this will be included in a BillingSpecifiedPeriod element
+		 * @return the beginning of the delivery period
+		 */
 	default Date getDetailedDeliveryPeriodFrom() {
 		return null;
 	}

library/src/main/java/org/mustangproject/ZUGFeRD/ZUGFeRDInvoiceImporter.java

@@ -612,7 +612,7 @@ public class ZUGFeRDInvoiceImporter {
 			//if (tenderReference!=null) zpp... @todo bt-17 create a ubl with a date and set up an according xpath and if only tenderReference!=null only set that but if  tenderReference!=null&&date!=null set both in zpp
 			if((tenderReference != null)&&(!tenderReference.isEmpty())){
 				if((tenderReferenceDate != null)&&(!tenderReferenceDate.isEmpty())){
-					zpp.setTenderReferencedDocument(new DatedReference(tenderReference, parseDate(tenderReferenceDate, "yyyy-MM-dd")));
+					zpp.setTenderReferencedDocument(new ReferencedDocument(tenderReference, parseDate(tenderReferenceDate, "yyyy-MM-dd")));
 				} else {
 					zpp.setTenderReferencedDocument(tenderReference);
 				}
@@ -746,7 +746,7 @@ public class ZUGFeRDInvoiceImporter {
 						if (typeC == 50) {
 							if (additionalReferencedDocument != null){
 								if (additionalReferencedDocumentDate!=null) {
-									zpp.setTenderReferencedDocument(new DatedReference(additionalReferencedDocument, additionalReferencedDocumentDate));
+									zpp.setTenderReferencedDocument(new ReferencedDocument(additionalReferencedDocument, additionalReferencedDocumentDate));
 								} else {
 									zpp.setTenderReferencedDocument(additionalReferencedDocument);
 								}

library/src/test/java/org/mustangproject/ZUGFeRD/ZF2EdgeTest.java

@@ -145,14 +145,25 @@ public class ZF2EdgeTest extends MustangReaderTestCase {
 	}
 
 	@Override
-	public IDatedReference getTenderReferencedDocument() {
+	public IReferencedDocument getTenderReferencedDocument() {
-		return new IDatedReference() {
+		return new IReferencedDocument() {
 			@Override
-			public String getID() {
+			public String getIssuerAssignedID() {
 				return "983-jk-787";
 			}
+
 			@Override
-			public Date getDate() {
+			public String getTypeCode() {
+				return "50";
+			}
+
+			@Override
+			public String getReferenceTypeCode() {
+				return "";
+			}
+
+			@Override
+			public Date getFormattedIssueDateTime() {
 				SimpleDateFormat sdf=new SimpleDateFormat("YYYY-mm-dd");
 				try {
 					return sdf.parse("2025-10-12");
@@ -161,6 +172,7 @@ public class ZF2EdgeTest extends MustangReaderTestCase {
 				}
 				return null; // wont happen either
 			}
+
 		};
 	}