Add ApplicableProductCharacteristic (BG-32:BT-160/BT-161) and OriginTradeCountry (BT-159) to Product.

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

@@ -4,6 +4,7 @@ import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import org.mustangproject.ZUGFeRD.IZUGFeRDExportableProduct;
 
 import java.math.BigDecimal;
+import java.util.HashMap;
 
 /***
  * describes a product, good or service used in an invoice item line
@@ -15,6 +16,8 @@ public class Product implements IZUGFeRDExportableProduct {
 	protected boolean isReverseCharge = false;
 	protected boolean isIntraCommunitySupply = false;
 	protected SchemedID globalId = null;
+	protected String countryOfOrigin = null;
+	protected HashMap<String, String> attributes = null;
 
 	/***
 	 * default constructor
@@ -63,6 +66,7 @@ public class Product implements IZUGFeRDExportableProduct {
 	}
 
 
+	@Override
 	public String getSellerAssignedID() {
 		return sellerAssignedID;
 	}
@@ -77,6 +81,7 @@ public class Product implements IZUGFeRDExportableProduct {
 		return this;
 	}
 
+	@Override
 	public String getBuyerAssignedID() {
 		return buyerAssignedID;
 	}
@@ -183,4 +188,32 @@ public class Product implements IZUGFeRDExportableProduct {
 		this.VATPercent = VATPercent;
 		return this;
 	}
+
+	@Override
+	public String getCountryOfOrigin() {
+	    return this.countryOfOrigin;
+	}
+
+	public Product setCountryOfOrigin(String countryOfOrigin) {
+	    this.countryOfOrigin = countryOfOrigin;
+	    return this;
+	}
+
+	@Override
+	public HashMap<String, String> getAttributes() {
+	    return this.attributes;
+	}
+
+	public Product setAttributes(HashMap<String, String> attributes) {
+	    this.attributes = attributes;
+	    return this;
+	}
+
+	public Product addAttribute(String name, String value ) {
+	    if ( this.attributes == null ) {
+		this.attributes = new HashMap<>();
+	    }
+	    this.attributes.put(name, value);
+	    return this;
+	}
 }

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

@@ -21,6 +21,7 @@
 package org.mustangproject.ZUGFeRD;
 
 import java.math.BigDecimal;
+import java.util.HashMap;
 
 import org.mustangproject.ZUGFeRD.model.TaxCategoryCodeTypeConstants;
 
@@ -156,4 +157,12 @@ public interface IZUGFeRDExportableProduct {
 		}
 		return null;
 	}
+
+	default String getCountryOfOrigin() {
+	    return null;
+	}
+
+	default HashMap<String, String> getAttributes() {
+	    return null;
+	}
 }

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

@@ -34,6 +34,7 @@ import java.util.Base64;
 import java.util.Date;
 import java.util.List;
 import java.util.Map;
+import java.util.Map.Entry;
 import java.util.Optional;
 import java.util.stream.Collectors;
 
@@ -397,6 +398,18 @@ public class ZUGFeRD2PullProvider implements IXMLProvider {
 						XMLTools.encodeXML(currentItem.getProduct().getDescription()) +
 						"</ram:Description>";
 				}
+				if (currentItem.getProduct().getAttributes() != null) {
+					xml += "<ram:ApplicableProductCharacteristic>";
+					for ( Entry<String, String> entry : currentItem.getProduct().getAttributes().entrySet() ) {
+						xml += "<ram:Description>" + XMLTools.encodeXML(entry.getKey()) + "</ram:Description>" + "<ram:Value>" + XMLTools.encodeXML(entry.getValue()) + "</ram:Value>";
+					}
+					xml += "</ram:ApplicableProductCharacteristic>";
+				}
+				if (currentItem.getProduct().getCountryOfOrigin() != null) {
+					xml += "<ram:OriginTradeCountry><ram:ID>" +
+					XMLTools.encodeXML(currentItem.getProduct().getCountryOfOrigin()) +
+					"</ram:ID></ram:OriginTradeCountry>";
+				}
 				xml += "</ram:SpecifiedTradeProduct>"
 
 					+ "<ram:SpecifiedLineTradeAgreement>";