support basisquantity in items

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

@@ -15,7 +15,7 @@ import java.util.Date;
 
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class Item implements IZUGFeRDExportableItem {
-	protected BigDecimal price, quantity, tax, grossPrice, lineTotalAmount;
+	protected BigDecimal price, quantity, basisQuantity, tax, grossPrice, lineTotalAmount;
 	protected Date detailedDeliveryPeriodFrom=null, detailedDeliveryPeriodTo=null;
 	protected String id;
 	protected String referencedLineID=null;
@@ -118,6 +118,17 @@ public class Item implements IZUGFeRDExportableItem {
 	}
 
 
+	@Override
+	public BigDecimal getBasisQuantity() {
+		return basisQuantity;
+	}
+
+	public Item setBasisQuantity(BigDecimal basis) {
+		this.basisQuantity = basis;
+		return this;
+	}
+
+
 
 	@Override
 	public BigDecimal getQuantity() {

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

@@ -201,6 +201,7 @@ public class ZUGFeRDInvoiceImporter extends ZUGFeRDImporter {
 			for (int i = 0; i < nodes.getLength(); i++) {
 
 				String price = "0";
+				String basisQuantity = "1";
 				String name = "";
 				String description = "";
 				SchemedID gid = null;
@@ -260,6 +261,11 @@ public class ZUGFeRDInvoiceImporter extends ZUGFeRDImporter {
 										price = netChilds.item(netIndex).getTextContent();// ChargeAmount
 
 									}
+									if ((netChilds.item(netIndex).getLocalName() != null)
+											&& (netChilds.item(netIndex).getLocalName().equals("BasisQuantity"))) {
+										basisQuantity = netChilds.item(netIndex).getTextContent();// ChargeAmount
+
+									}
 								}
 							}
 						}
@@ -351,6 +357,7 @@ public class ZUGFeRDInvoiceImporter extends ZUGFeRDImporter {
 					p.addGlobalID(gid);
 				}
 				Item it = new Item(p, prc, qty);
+				it.setBasisQuantity(new BigDecimal(basisQuantity));
 				if (rdocs != null) {
 					for (ReferencedDocument rdoc : rdocs) {
 						it.addReferencedDocument(rdoc);

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

@@ -165,9 +165,10 @@ public abstract class MustangReaderTestCase extends TestCase implements IExporta
 			this.price = price;
 			this.quantity = quantity;
 			this.product = product;
+			this.basisQuantity = BigDecimal.ONE;
 		}
 
-		private BigDecimal price, quantity;
+		private BigDecimal price, quantity, basisQuantity;
 		private IZUGFeRDExportableProduct product;
 		private String addReference=null;
 		
@@ -193,6 +194,15 @@ public abstract class MustangReaderTestCase extends TestCase implements IExporta
 			this.quantity = quantity;
 		}
 
+		@Override
+		public BigDecimal getBasisQuantity() {
+			return basisQuantity;
+		}
+
+		public void setBasisQuantity(BigDecimal quantity) {
+			this.basisQuantity = quantity;
+		}
+
 		@Override
 		public IZUGFeRDExportableProduct getProduct() {
 			return product;

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

@@ -200,8 +200,10 @@ public class ZF2EdgeTest extends MustangReaderTestCase implements IExportableTra
 
 		Item design=new Item(new BigDecimal("160"), new BigDecimal("1"), designProduct);
 		design.setAddReference("1825");
+		design.setBasisQuantity(new BigDecimal(100));
 		allItems[0] = design;
 		allItems[1] = new Item(new BigDecimal("0.79"), new BigDecimal("400"), balloonProduct);
+
 		allItems[2] = new Item(new BigDecimal("0.10"), new BigDecimal("200"), airProduct);
 		return allItems;
 	}
@@ -320,7 +322,7 @@ public class ZF2EdgeTest extends MustangReaderTestCase implements IExportableTra
 		assertTrue(resultXML.contains("<ram:IssuerAssignedID>123</ram:IssuerAssignedID>"));
 
 		// Reading ZUGFeRD
-		assertEquals("496.00", zi.getAmount());
+		assertEquals("337.60", zi.getAmount());;
 		assertEquals(zi.getHolder(), getOwnOrganisationName());
 		assertEquals(zi.getForeignReference(), getNumber());
 		try {