add BLZ

src/main/java/org/mustangproject/ZUGFeRD/IZUGFeRDExportableTransaction.java

@@ -83,7 +83,13 @@ public interface IZUGFeRDExportableTransaction {
 	 */
 	String getOwnBIC();
 
-	/***
+    /***
+     * BLZ of the sender
+     * @return the BLZ code of the recipient sender's bank
+     */
+    String getOwnBLZ();
+
+    /***
 	 * Bank name of the sender
 	 * @return the name of the sender's bank
 	 */

src/main/java/org/mustangproject/ZUGFeRD/ZUGFeRDImporter.java

@@ -63,6 +63,7 @@ public class ZUGFeRDImporter {
 	private boolean containsMeta = false;
 	/** @var the reference (i.e. invoice number) of the sender */
 	private String foreignReference;
+    private String BLZ;
 	private String BIC;
 	private String IBAN;
 	private String holder;
@@ -127,7 +128,7 @@ public class ZUGFeRDImporter {
 			//start
 			InputStream XMP=doc.getDocumentCatalog().getMetadata().exportXMPMetadata();
 			
-			xmpString=convertStreamToString(XMP);		    
+			xmpString=convertStreamToString(XMP);
 			etn = names.getEmbeddedFiles();
 			if (etn == null) {
 				return;
@@ -299,6 +300,9 @@ public class ZUGFeRDImporter {
 				if ((detail.getLocalName() != null) && (detail.getLocalName().equals("BICID"))) { //$NON-NLS-1$
 					setBIC(detail.getTextContent());
 				}
+                if ((detail.getLocalName() != null) && (detail.getLocalName().equals("GermanBankleitzahlID"))) { //$NON-NLS-1$
+                    setBLZ(detail.getTextContent());
+                }
 				if ((detail.getLocalName() != null) && (detail.getLocalName().equals("Name"))) { //$NON-NLS-1$
 					setBankName(detail.getTextContent());
 				}
@@ -393,6 +397,24 @@ public class ZUGFeRDImporter {
 		this.foreignReference = foreignReference;
 	}
 
+    /**
+     *
+     * @return the sender's bank's BLZ code
+     */
+    public String getBLZ() {
+        if (!parsed) {
+            throw new RuntimeException("use extract() before requesting a value");
+        }
+        if (BLZ==null) {
+            parse();
+        }
+        return BLZ;
+    }
+
+    private void setBLZ(String blz) {
+        this.BLZ = blz;
+    }
+
 	/**
 	 * 
 	 * @return the sender's bank's BIC code

src/main/java/org/mustangproject/ZUGFeRD/ZUGFeRDTransactionModelConverter.java

@@ -373,6 +373,10 @@ class ZUGFeRDTransactionModelConverter {
         TextType bankName = xmlFactory.createTextType();
         bankName.setValue(trans.getOwnBankName());
         bankData.setName(bankName);
+        IDType blz = xmlFactory.createIDType();
+        blz.setValue(trans.getOwnBLZ());
+        bankData.setGermanBankleitzahlID(blz);
+
         paymentData.setPayeeSpecifiedCreditorFinancialInstitution(bankData);
         return paymentData;
     }