- invoiceimporter to parse BuyerReference

- support LineThree in TradeParty (BT-165?)

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

@@ -25,6 +25,7 @@ public class TradeParty implements IZUGFeRDExportableTradeParty {
 	protected String taxID = null, vatID = null;
 	protected String ID = null;
 	protected String additionalAddress = null;
+	protected String additionalAddressExtension = null;
 	protected List<BankDetails> bankDetails = new ArrayList<>();
 	protected List<IZUGFeRDTradeSettlementDebit> debitDetails = new ArrayList<>();
 	protected Contact contact = null;
@@ -120,6 +121,9 @@ public class TradeParty implements IZUGFeRDExportableTradeParty {
 									if (postal.item(postalChildIndex).getLocalName().equals("LineTwo")) {
 										setAdditionalAddress(postal.item(postalChildIndex).getTextContent());
 									}
+									if (postal.item(postalChildIndex).getLocalName().equals("LineThree")) {
+										setAdditionalAddressExtension(postal.item(postalChildIndex).getTextContent());
+									}
 									if (postal.item(postalChildIndex).getLocalName().equals("CityName")) {
 										setLocation(postal.item(postalChildIndex).getTextContent());
 									}
@@ -398,9 +402,11 @@ public class TradeParty implements IZUGFeRDExportableTradeParty {
 	}
 
 
+
 	/***
-	 * additional parts of the address, e.g. which floor.
-	 * Street address will become "lineOne", this will become "lineTwo"
+	 * additional info of the address, e.g. which building or which floor.
+	 * Street address will become "lineOne", this will become "lineTwo".
+	 * (see setAdditionalAddressExtension for "lineThree")
 	 * @param additionalAddress additional address description
 	 * @return fluent setter
 	 */
@@ -409,5 +415,41 @@ public class TradeParty implements IZUGFeRDExportableTradeParty {
 		return this;
 	}
 
+	/***
+	 * Sets two parts of additional address at once, e.g. which building and which floor
+	 * (if building is not in question which floor can also be set with the first part only :-))
+	 *
+	 * @param additionalAddress1 first part of additional info, e.g. "Rear building"
+	 * @param additionalAddress2 second part of additional address info, e.g. "2nd floor"
+	 * @return fluent setter
+	 */
+	public TradeParty setAdditionalAddress(String additionalAddress1, String additionalAddress2) {
+		this.additionalAddress = additionalAddress1;
+		this.additionalAddressExtension = additionalAddress2;
+		return this;
+	}
+
+	/***
+	 * Sets even advanced additional address information,
+	 * e.g. which floor (if LineTwo has already been used e.g. for which building)
+	 * This could sometimes be BT-165?
+	 *
+	 * @param additionalAddress2
+	 * @return fluent setter
+	 */
+	public TradeParty setAdditionalAddressExtension(String additionalAddress2) {
+		this.additionalAddressExtension = additionalAddress2;
+		return this;
+	}
+
+	/***
+	 * Returns even advanced additional address information,
+	 * e.g. which floor (if LineTwo=setAdditionalAddress has already been used e.g. for which building)
+	 * @return lineThree
+	 */
+	public String getAdditionalAddressExtension() {
+		return this.additionalAddressExtension;
+	}
+
 
 }

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

@@ -119,13 +119,25 @@ public interface IZUGFeRDExportableTradeParty {
 
 	/**
 	 * returns additional address information which is display in xml tag "LineTwo"
-	 * 
+	 * e.g. "Rear building"
+	 *
 	 * @return additional address information
 	 */
 	default String getAdditionalAddress() {
 		return null;
 	}
 
+	/**
+	 * returns additional address information which is display in xml tag "LineThree"
+	 * e.g. "Second floor" if LineTwo is already used, e.g. "Rear Building".
+	 * This attribute could sometimes be BT-165?
+	 *
+	 * @return additional address information
+	 */
+	default String getAdditionalAddressExtension() {
+		return null;
+	}
+
 
 	/***
 	 * obligatory for sender but not for recipient

library/src/main/java/org/mustangproject/ZUGFeRD/ZUGFeRD2PullProvider.java

@@ -177,6 +177,10 @@ public class ZUGFeRD2PullProvider implements IXMLProvider {
 			xml += "<ram:LineTwo>" + XMLTools.encodeXML(party.getAdditionalAddress())
 					+ "</ram:LineTwo>";
 		}
+		if (party.getAdditionalAddressExtension() != null) {
+			xml += "<ram:LineThree>" + XMLTools.encodeXML(party.getAdditionalAddressExtension())
+					+ "</ram:LineThree>";
+		}
 		xml += "<ram:CityName>" + XMLTools.encodeXML(party.getLocation())
 				+ "</ram:CityName>"
 				+ "<ram:CountryID>" + XMLTools.encodeXML(party.getCountry())

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

@@ -183,6 +183,17 @@ public class ZUGFeRDInvoiceImporter extends ZUGFeRDImporter {
 				.setSender(new TradeParty(SellerNodes)).setRecipient(new TradeParty(BuyerNodes)).setNumber(number);
 //.addItem(new Item(new Product("Testprodukt","","C62",BigDecimal.ZERO),amount,new BigDecimal(1.0)))
 		zpp.setOwnOrganisationName(extractString("//*[local-name()=\"SellerTradeParty\"]/*[local-name()=\"Name\"]"));
+
+		xpr = xpath.compile("//*[local-name()=\"BuyerReference\"]");
+		String buyerReference = null;
+		totalNodes = (NodeList) xpr.evaluate(getDocument(), XPathConstants.NODESET);
+		if (totalNodes.getLength() > 0) {
+			buyerReference = totalNodes.item(0).getTextContent();
+		}
+		if (buyerReference!=null) {
+			zpp.setReferenceNumber(buyerReference);
+		}
+
 		xpr = xpath.compile("//*[local-name()=\"IncludedSupplyChainTradeLineItem\"]");
 		NodeList nodes = (NodeList) xpr.evaluate(getDocument(), XPathConstants.NODESET);