added the possibility to specify legalorganisation

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

@@ -6,10 +6,7 @@ import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
-import org.mustangproject.ZUGFeRD.IZUGFeRDExportableContact;
-import org.mustangproject.ZUGFeRD.IZUGFeRDExportableTradeParty;
-import org.mustangproject.ZUGFeRD.IZUGFeRDTradeSettlement;
-import org.mustangproject.ZUGFeRD.IZUGFeRDTradeSettlementDebit;
+import org.mustangproject.ZUGFeRD.*;
 import org.w3c.dom.Node;
 import org.w3c.dom.NodeList;
 
@@ -26,6 +23,7 @@ public class TradeParty implements IZUGFeRDExportableTradeParty {
 	protected List<BankDetails> bankDetails = new ArrayList<>();
 	protected List<IZUGFeRDTradeSettlementDebit> debitDetails = new ArrayList<>();
 	protected Contact contact = null;
+	protected LegalOrganisation legalOrg = null;
 
 	/**
 	 * Default constructor.
@@ -195,6 +193,16 @@ public class TradeParty implements IZUGFeRDExportableTradeParty {
 		return this;
 	}
 
+	@Override
+	public IZUGFeRDLegalOrganisation getLegalOrganisation() {
+		return legalOrg;
+	}
+
+	public TradeParty setLegalOrganisation(LegalOrganisation legalOrganisation) {
+		legalOrg=legalOrganisation;
+		return this;
+	}
+
 	public List<BankDetails> getBankDetails() {
 		return bankDetails;
 	}

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

@@ -49,6 +49,13 @@ public interface IZUGFeRDExportableTradeParty {
 		return null;
 	}
 
+	/***
+	 * gets the official representation
+	 * @return the interface with the attributes of the legal organisation
+	 */
+	default IZUGFeRDLegalOrganisation getLegalOrganisation()  {
+		return null;
+	}
 	/**
 	 * customer global identification scheme
 	 *

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

@@ -0,0 +1,39 @@
+/** **********************************************************************
+ *
+ * Copyright 2018 Jochen Staerk
+ *
+ * Use is subject to license terms.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy
+ * of the License at http://www.apache.org/licenses/LICENSE-2.0.
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ *********************************************************************** */
+package org.mustangproject.ZUGFeRD;
+
+import javax.activation.DataSource;
+import java.io.Closeable;
+import java.io.IOException;
+import java.io.InputStream;
+
+public interface IZUGFeRDLegalOrganisation   {
+
+	/***
+	 *
+	 * @return the ID of the legal organisation
+	 */
+	public String getID();
+
+	/**
+	 *
+	 * @return the scheme attribute of the legal organization=the type of the identification, e.g. 0002=Siren
+	 */
+	public String getSchemeID();
+}

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

@@ -130,6 +130,12 @@ public class ZUGFeRD2PullProvider implements IXMLProvider {
 		}
 		xml += "	<ram:Name>" + XMLTools.encodeXML(party.getName()) + "</ram:Name>\n";
 
+		if (party.getLegalOrganisation()!=null) {
+			xml +=     "<ram:SpecifiedLegalOrganization> ";
+			xml +=     "  <ram:ID schemeID=\""+XMLTools.encodeXML(party.getLegalOrganisation().getSchemeID())+"\">"+XMLTools.encodeXML(party.getLegalOrganisation().getID())+"</ram:ID>";
+			xml +=    "</ram:SpecifiedLegalOrganization>";
+		}
+
 		if ((party.getContact() != null) && (isSender || profile == Profiles.getByName("Extended") || profile == Profiles.getByName("XRechnung"))) {
 			xml = xml + "<ram:DefinedTradeContact>\n";
 			if (party.getContact().getName() != null) {