/**

  *

  * Copyright 2004 The Apache Software Foundation

  *

  *  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.apache.ws.scout.util;

 import java.util.ArrayList;

 import java.util.Collection;

 import java.util.HashMap;

 import java.util.List;

 import java.util.Locale;

 import javax.xml.registry.JAXRException;

 import javax.xml.registry.LifeCycleManager;

 import javax.xml.registry.infomodel.Association;

 import javax.xml.registry.infomodel.Classification;

 import javax.xml.registry.infomodel.ClassificationScheme;

 import javax.xml.registry.infomodel.Concept;

 import javax.xml.registry.infomodel.EmailAddress;

 import javax.xml.registry.infomodel.ExternalIdentifier;

 import javax.xml.registry.infomodel.ExternalLink;

 import javax.xml.registry.infomodel.InternationalString;

 import javax.xml.registry.infomodel.Organization;

 import javax.xml.registry.infomodel.PostalAddress;

 import javax.xml.registry.infomodel.RegistryObject;

 import javax.xml.registry.infomodel.Service;

 import javax.xml.registry.infomodel.ServiceBinding;

 import javax.xml.registry.infomodel.SpecificationLink;

 import javax.xml.registry.infomodel.TelephoneNumber;

 import javax.xml.registry.infomodel.User;

 import org.apache.ws.scout.model.uddi.v2.AccessPoint;

 import org.apache.ws.scout.model.uddi.v2.Address;

 import org.apache.ws.scout.model.uddi.v2.AddressLine;

 import org.apache.ws.scout.model.uddi.v2.BindingTemplate;

 import org.apache.ws.scout.model.uddi.v2.BindingTemplates;

 import org.apache.ws.scout.model.uddi.v2.BusinessDetail;

 import org.apache.ws.scout.model.uddi.v2.BusinessEntity;

 import org.apache.ws.scout.model.uddi.v2.BusinessService;

 import org.apache.ws.scout.model.uddi.v2.BusinessServices;

 import org.apache.ws.scout.model.uddi.v2.CategoryBag;

 import org.apache.ws.scout.model.uddi.v2.Contact;

 import org.apache.ws.scout.model.uddi.v2.Contacts;

 import org.apache.ws.scout.model.uddi.v2.Description;

 import org.apache.ws.scout.model.uddi.v2.DiscoveryURL;

 import org.apache.ws.scout.model.uddi.v2.DiscoveryURLs;

 import org.apache.ws.scout.model.uddi.v2.Email;

 import org.apache.ws.scout.model.uddi.v2.HostingRedirector;

 import org.apache.ws.scout.model.uddi.v2.IdentifierBag;

 import org.apache.ws.scout.model.uddi.v2.InstanceDetails;

 import org.apache.ws.scout.model.uddi.v2.KeyedReference;

 import org.apache.ws.scout.model.uddi.v2.Name;

 import org.apache.ws.scout.model.uddi.v2.OverviewDoc;

 import org.apache.ws.scout.model.uddi.v2.Phone;

 import org.apache.ws.scout.model.uddi.v2.ServiceInfo;

 import org.apache.ws.scout.model.uddi.v2.TModel;

 import org.apache.ws.scout.model.uddi.v2.TModelDetail;

 import org.apache.ws.scout.model.uddi.v2.TModelInfo;

 import org.apache.ws.scout.model.uddi.v2.TModelInstanceDetails;

 import org.apache.ws.scout.model.uddi.v2.TModelInstanceInfo;

 import org.apache.ws.scout.registry.infomodel.AssociationImpl;

 import org.apache.ws.scout.registry.infomodel.ClassificationImpl;

 import org.apache.ws.scout.registry.infomodel.ClassificationSchemeImpl;

 import org.apache.ws.scout.registry.infomodel.ConceptImpl;

 import org.apache.ws.scout.registry.infomodel.EmailAddressImpl;

 import org.apache.ws.scout.registry.infomodel.ExternalIdentifierImpl;

 import org.apache.ws.scout.registry.infomodel.ExternalLinkImpl;

 import org.apache.ws.scout.registry.infomodel.InternationalStringImpl;

 import org.apache.ws.scout.registry.infomodel.KeyImpl;

 import org.apache.ws.scout.registry.infomodel.OrganizationImpl;

 import org.apache.ws.scout.registry.infomodel.PersonNameImpl;

 import org.apache.ws.scout.registry.infomodel.PostalAddressImpl;

 import org.apache.ws.scout.registry.infomodel.ServiceBindingImpl;

 import org.apache.ws.scout.registry.infomodel.ServiceImpl;

 import org.apache.ws.scout.registry.infomodel.SpecificationLinkImpl;

 import org.apache.ws.scout.registry.infomodel.TelephoneNumberImpl;

 import org.apache.ws.scout.registry.infomodel.UserImpl;

 /**

  * Helper class that does UDDI->Jaxr Mapping

  *

  * @author <a href="mailto:anil@apache.org">Anil Saldhana</a>

  * @author <a href="mailto:geirm@apache.org">Geir Magnusson Jr.</a>

  */

 public class ScoutUddiJaxrHelper

 {

         public static Association getAssociation(Collection orgs,

                         LifeCycleManager lcm)

         throws JAXRException

         {

                 Association asso = new AssociationImpl(lcm);

                 Object[] arr = orgs.toArray();

                 asso.setSourceObject((RegistryObject)arr[0]);

                 asso.setTargetObject((RegistryObject)arr[1]);

                 return asso;

         }

         public static Organization getOrganization(BusinessEntity businessEntity,

                         LifeCycleManager lifeCycleManager)

         throws JAXRException

         {

                 List<Name> namesList = businessEntity.getName();

                 List<Description> descriptionList = businessEntity.getDescription();

                 Organization org = new OrganizationImpl(lifeCycleManager);

                 if ((namesList != null) && (namesList.size() > 0)) {

                         InternationalString is = null;

                         for (Name n : namesList)  {

                                 if (is == null) {

                                         is = getIString(n.getLang(), n.getValue(), lifeCycleManager);

                                 } else {

                                         is.setValue(getLocale(n.getLang()), n.getValue());

                                 }

                         }

                         org.setName(is);

                 }

                 if ((descriptionList != null) && (descriptionList.size() > 0)) {

                         InternationalString is = null;

                         for (Description desc : descriptionList)  {

                                 if (is == null) {

                                         is = getIString(desc.getLang(), desc.getValue(), lifeCycleManager);

                                 } else {

                                         is.setValue(getLocale(desc.getLang()), desc.getValue());

                                 }

                         }

                         org.setDescription(is);

                 }

                 org.setKey(lifeCycleManager.createKey(businessEntity.getBusinessKey()));

                 //Set Services also

                 BusinessServices services = businessEntity.getBusinessServices();

                 if(services != null)

                 {

                         List<BusinessService> bizServiceList = services.getBusinessService();

                         for (BusinessService businessService : bizServiceList) {

                                 org.addService(getService(businessService, lifeCycleManager));

                         }

                 }

                 /*

                  *  Users

                  *

                  *  we need to take the first contact and designate as the

                  *  'primary contact'.  Currently, the OrganizationImpl

                  *  class does that automatically as a safety in case

                  *  user forgets to set - lets be explicit here as to not

                  *  depend on that behavior

                  */

                 Contacts contacts = businessEntity.getContacts();

                 if(contacts != null)

                 {

                         List<Contact> contactList = contacts.getContact();

                         if (contactList!=null) {

                                 boolean isFirst=true;

                                 for (Contact contact : contactList) {

                                         User user = new UserImpl(null);

                                         String pname = contact.getPersonName();

                                         user.setPersonName(new PersonNameImpl(pname));

                                         if (isFirst) {

                                                 isFirst=false;

                                                 org.setPrimaryContact(user);

                                         } else {

                                                 org.addUser(user);

                                         }

                                 }

                         }

                 }

                 //External Links

                 DiscoveryURLs durls = businessEntity.getDiscoveryURLs();

                 if (durls != null)

                 {

                         List<DiscoveryURL> discoveryURL_List = durls.getDiscoveryURL();

                         for (DiscoveryURL discoveryURL : discoveryURL_List) {

                                 ExternalLink link = new ExternalLinkImpl(lifeCycleManager);

                                 link.setExternalURI(discoveryURL.getValue());

                                 org.addExternalLink(link);

                         }

                 }

                 org.addExternalIdentifiers(getExternalIdentifiers(businessEntity.getIdentifierBag(), lifeCycleManager));

                 org.addClassifications(getClassifications(businessEntity.getCategoryBag(), lifeCycleManager));

                 return org;

         }

         public static Organization getOrganization(BusinessDetail bizdetail,

                         LifeCycleManager lifeCycleManager)

         throws JAXRException

         {

                 List<BusinessEntity> bizEntityList = bizdetail.getBusinessEntity();

                 if (bizEntityList.size() != 1) {

                         throw new JAXRException("Unexpected count of organizations in BusinessDetail: " + bizEntityList.size());

                 }

                 BusinessEntity entity = bizEntityList.get(0);

                 List<Name> namesList = entity.getName();

                 List<Description> descriptionList = entity.getDescription();

                 Organization org = new OrganizationImpl(lifeCycleManager);

                 if ((namesList != null) && (namesList.size() > 0)) {

                         InternationalString is = null;

                         for (Name n : namesList)  {

                                 if (is == null) {

                                         is = getIString(n.getLang(), n.getValue(), lifeCycleManager);

                                 } else {

                                         is.setValue(getLocale(n.getLang()), n.getValue());

                                 }

                         }

                         org.setName(is);

                 }

                 if ((descriptionList != null) && (descriptionList.size() > 0)) {

                         InternationalString is = null;

                         for (Description desc : descriptionList)  {

                                 if (is == null) {

                                         is = getIString(desc.getLang(), desc.getValue(), lifeCycleManager);

                                 } else {

                                         is.setValue(getLocale(desc.getLang()), desc.getValue());

                                 }

                         }

                         org.setDescription(is);

                 }

                 org.setKey(lifeCycleManager.createKey(entity.getBusinessKey()));

                 //Set Services also

                 BusinessServices services = entity.getBusinessServices();

                 List<BusinessService> bizServiceList = services.getBusinessService();

                 for (BusinessService businessService : bizServiceList) {

                         org.addService(getService(businessService, lifeCycleManager));

                 }

                 /*

                  *  Users

                  *

                  *  we need to take the first contact and designate as the

                  *  'primary contact'.  Currently, the OrganizationImpl

                  *  class does that automatically as a safety in case

                  *  user forgets to set - lets be explicit here as to not

                  *  depend on that behavior

                  */

                 Contacts contacts = entity.getContacts();

                 List<Contact> contactList = contacts.getContact();

                 boolean isFirst=true;

                 for (Contact contact : contactList) {

                         User user = new UserImpl(null);

                         String pname = contact.getPersonName();

                         user.setType(contact.getUseType());

                         user.setPersonName(new PersonNameImpl(pname));

                         List<Email> emailList = contact.getEmail();

                         ArrayList<EmailAddress> tempEmails = new ArrayList<EmailAddress>();

                         for (Email email : emailList) {

                                 tempEmails.add(new EmailAddressImpl(email.getValue(), null));

                         }

                         user.setEmailAddresses(tempEmails);

                         List<Address> addressList = contact.getAddress();

                         ArrayList<PostalAddress> tempAddresses = new ArrayList<PostalAddress>();

                         for (Address address : addressList) {

                                 ArrayList<AddressLine> addressLineList = new ArrayList<AddressLine>(address.getAddressLine());

                                 AddressLine[] alines = new AddressLine[addressLineList.size()];

                                 addressLineList.toArray(alines);

                                 PostalAddress pa = getPostalAddress(alines);

                                 tempAddresses.add(pa);

                         }

                         user.setPostalAddresses(tempAddresses);

                         List<Phone> phoneList = contact.getPhone();

                         ArrayList<TelephoneNumber> tempPhones = new ArrayList<TelephoneNumber>();

                         for (Phone phone : phoneList) {

                                 TelephoneNumberImpl tni = new TelephoneNumberImpl();

                                 tni.setType(phone.getUseType());

                                 tni.setNumber(phone.getValue());

                                 tempPhones.add(tni);

                         }

                         user.setTelephoneNumbers(tempPhones);

                         if (isFirst) {

                                 isFirst=false;

                                 org.setPrimaryContact(user);

                         } else {

                                 org.addUser(user);

                         }

                 }

                 //External Links

                 DiscoveryURLs durls = entity.getDiscoveryURLs();

                 if (durls != null)

                 {

                         List<DiscoveryURL> discoveryURL_List = durls.getDiscoveryURL();

                         for (DiscoveryURL discoveryURL : discoveryURL_List) {

                                 ExternalLink link = new ExternalLinkImpl(lifeCycleManager);

                                 link.setExternalURI(discoveryURL.getValue());

                                 org.addExternalLink(link);

                         }

                 }

                 org.addExternalIdentifiers(getExternalIdentifiers(entity.getIdentifierBag(), lifeCycleManager));

                 org.addClassifications(getClassifications(entity.getCategoryBag(), lifeCycleManager));

                 return org;

         }

         private static PostalAddress getPostalAddress(AddressLine[] addressLineArr) throws JAXRException {

                 PostalAddress pa = new PostalAddressImpl();

                 HashMap<String, String> hm = new HashMap<String, String>();

                 for (AddressLine anAddressLineArr : addressLineArr) {

                         hm.put(anAddressLineArr.getKeyName(), anAddressLineArr.getKeyValue());

                 }

                 if (hm.containsKey("STREET_NUMBER")) {

                         pa.setStreetNumber(hm.get("STREET_NUMBER"));

                 }

                 if (hm.containsKey("STREET")) {

                         pa.setStreet(hm.get("STREET"));

                 }

                 if (hm.containsKey("CITY")) {

                         pa.setCity(hm.get("CITY"));

                 }

                 if (hm.containsKey("COUNTRY")) {

                         pa.setCountry(hm.get("COUNTRY"));

                 }

                 if (hm.containsKey("POSTALCODE")) {

                         pa.setPostalCode(hm.get("POSTALCODE"));

                 }

                 if (hm.containsKey("STATE")) {

                         pa.setStateOrProvince(hm.get("STATE"));

                 }

                 return pa;

         }

         private static InternationalString getIString(String lang, String str, LifeCycleManager lifeCycleManager)

         throws JAXRException

         {

                 if (str!=null) {

                         return lifeCycleManager.createInternationalString(getLocale(lang), str);

                 } else {

                         return null;

                 }

         }

         public static InternationalString getIString(String str, LifeCycleManager lifeCycleManager)

         throws JAXRException

         {

                 return lifeCycleManager.createInternationalString(str);

         }

         public static Service getService(BusinessService businessService, LifeCycleManager lifeCycleManager)

         throws JAXRException

         {

                 Service serve = new ServiceImpl(lifeCycleManager);

                 String keystr = businessService.getServiceKey();

                 if (keystr != null)

                 {

                         serve.setKey(lifeCycleManager.createKey(keystr));

                 }

                 List<Name> namesList = businessService.getName();

                 List<Description> descriptionList = businessService.getDescription();

                 InternationalString is = null;

                 for (Name n : namesList) {

                         if (is == null) {

                                 is = lifeCycleManager.createInternationalString(getLocale(n.getLang()), n.getValue());

                         } else {

                                 is.setValue(getLocale(n.getLang()), n.getValue());

                         }

                 }

                 serve.setName(is);

                 InternationalString dis = null;

                 for (Description desc : descriptionList) {

             if (dis == null) {

                 dis = lifeCycleManager.createInternationalString(getLocale(desc.getLang()), desc.getValue());

             } else {

                 dis.setValue(getLocale(desc.getLang()), desc.getValue());

             }

         }

                 for (int i = 0; i < namesList.size(); i++) {

                 }

                 serve.setDescription(dis);

                 //Populate the ServiceBindings for this Service

                 BindingTemplates bts = businessService.getBindingTemplates();

                 List<BindingTemplate> bindingTemplateList = bts.getBindingTemplate();

                 for (BindingTemplate bindingTemplate : bindingTemplateList) {

                         serve.addServiceBinding(getServiceBinding(bindingTemplate, lifeCycleManager));

                 }

                 serve.addClassifications(getClassifications(businessService.getCategoryBag(), lifeCycleManager));

                 return serve;

         }

         public static Service getService(ServiceInfo serviceInfo, LifeCycleManager lifeCycleManager)

         throws JAXRException

         {

                 Service service = new ServiceImpl(lifeCycleManager);

                 String keystr = serviceInfo.getServiceKey();

                 if (keystr != null)

                 {

                         service.setKey(lifeCycleManager.createKey(keystr));

                 }

                 List<Name> namesList = serviceInfo.getName();

                 InternationalString is = null;

                 for (Name n : namesList) {

                         if (is == null) {

                                 is = lifeCycleManager.createInternationalString(getLocale(n.getLang()), n.getValue());

                         } else {

                                 is.setValue(getLocale(n.getLang()), n.getValue());

                         }

                 }

                 service.setName(is);

                 return service;

         }

         public static ServiceBinding getServiceBinding(BindingTemplate businessTemplate, LifeCycleManager lifeCycleManager)

         throws JAXRException

         {

                 ServiceBinding serviceBinding = new ServiceBindingImpl(lifeCycleManager);

                 String keystr = businessTemplate.getServiceKey();

                 if (keystr != null)

                 {

                         Service svc = new ServiceImpl(lifeCycleManager);

                         svc.setKey(lifeCycleManager.createKey(keystr));

                         ((ServiceBindingImpl)serviceBinding).setService(svc);

                 }

                 String bindingKey = businessTemplate.getBindingKey();

                 if(bindingKey != null) serviceBinding.setKey(new KeyImpl(bindingKey));

                 //Access URI

                 AccessPoint access = businessTemplate.getAccessPoint();

                 if (access != null) serviceBinding.setAccessURI(access.getValue());

                 //Description

                 Description desc = null;

                 if (businessTemplate.getDescription().size()>0) desc = businessTemplate.getDescription().get(0);

                 if (desc!=null) {

                         serviceBinding.setDescription(new InternationalStringImpl(desc.getValue()));

                 }

                 /**Section D.10 of JAXR 1.0 Specification */

                 TModelInstanceDetails details = businessTemplate.getTModelInstanceDetails();

                 List<TModelInstanceInfo> tmodelInstanceInfoList = details.getTModelInstanceInfo();

                 for (TModelInstanceInfo info: tmodelInstanceInfoList)

                 {

                         if (info!=null && info.getInstanceDetails()!=null) {

                                 InstanceDetails idetails = info.getInstanceDetails();

                                 Collection<ExternalLink> elinks = getExternalLinks(idetails.getOverviewDoc(),lifeCycleManager);

                                 SpecificationLink slink = new SpecificationLinkImpl(lifeCycleManager);

                                 slink.addExternalLinks(elinks);

                                 serviceBinding.addSpecificationLink(slink); 

                                 ConceptImpl c = new ConceptImpl(lifeCycleManager);

                                 c.setExternalLinks(elinks);

                                 c.setKey(lifeCycleManager.createKey(info.getTModelKey())); 

                                 c.setName(lifeCycleManager.createInternationalString(idetails.getInstanceParms()));

                                 c.setValue(idetails.getInstanceParms());

                                 slink.setSpecificationObject(c);

                         }

                 }

                 HostingRedirector hr = businessTemplate.getHostingRedirector();

                 if(hr != null)

                 {

                         ServiceBinding sb = lifeCycleManager.createServiceBinding();

                         sb.setKey(new KeyImpl(hr.getBindingKey()));

                         serviceBinding.setTargetBinding(sb);

                 }

                 return serviceBinding;

         }

         public static Concept getConcept(TModelDetail tModelDetail, LifeCycleManager lifeCycleManager)

         throws JAXRException

         {

                 Concept concept = new ConceptImpl(lifeCycleManager);

                 List<TModel> tmodelList = tModelDetail.getTModel();

                 for (TModel tmodel : tmodelList) {

                         concept.setKey(lifeCycleManager.createKey(tmodel.getTModelKey()));

                         concept.setName(lifeCycleManager.createInternationalString(getLocale(tmodel.getName().getLang()),

                                         tmodel.getName().getValue()));

                         Description desc = getDescription(tmodel);

                         if( desc != null ) {

                                 concept.setDescription(lifeCycleManager.createInternationalString(getLocale(desc.getLang()), 

                                                 desc.getValue()));

                         }

                         concept.addExternalIdentifiers(getExternalIdentifiers(tmodel.getIdentifierBag(), lifeCycleManager));

                         concept.addClassifications(getClassifications(tmodel.getCategoryBag(), lifeCycleManager));

                 }

                 return concept;

         }

         public static Concept getConcept(TModel tmodel, LifeCycleManager lifeCycleManager)

         throws JAXRException

         {

                 Concept concept = new ConceptImpl(lifeCycleManager);

                 concept.setKey(lifeCycleManager.createKey(tmodel.getTModelKey()));

                 concept.setName(lifeCycleManager.createInternationalString(getLocale(tmodel.getName().getLang()),

                                 tmodel.getName().getValue()));

                 Description desc = getDescription(tmodel);

                 if (desc != null) {

                         concept.setDescription(lifeCycleManager.createInternationalString(getLocale(desc.getLang()), 

                                         desc.getValue()));

                 }

                 concept.addExternalIdentifiers(getExternalIdentifiers(tmodel.getIdentifierBag(), lifeCycleManager));

                 concept.addClassifications(getClassifications(tmodel.getCategoryBag(), lifeCycleManager));

                 return concept;

         }

         public static Concept getConcept(TModelInfo tModelInfo, LifeCycleManager lifeCycleManager)

         throws JAXRException

         {

                 Concept concept = new ConceptImpl(lifeCycleManager);

                 concept.setKey(lifeCycleManager.createKey(tModelInfo.getTModelKey()));

                 concept.setName(lifeCycleManager.createInternationalString(getLocale(tModelInfo.getName().getLang()), 

                                 tModelInfo.getName().getValue()));

                 return concept;

         }

         private static Description getDescription( TModel tmodel )

         {

                 Description desc = null;

                 if (tmodel.getDescription().size()>0) desc=tmodel.getDescription().get(0);

                 return desc;

         }

         /**

          * Classifications - going to assume all are external since UDDI does not use "Concepts".

          * @param categoryBag categories

          * @param lifeCycleManager lifecycleManager

          * @return Collection Classifications

          * @throws JAXRException on error

          */

         public static Collection getClassifications(CategoryBag categoryBag, LifeCycleManager lifeCycleManager) 

         throws JAXRException {

                 Collection<Classification> classifications = null;

                 if (categoryBag != null) {

                         classifications = new ArrayList<Classification>();

                         List<KeyedReference> keyedReferenceList = categoryBag.getKeyedReference();

                         for (KeyedReference keyedReference : keyedReferenceList) {

                                 Classification classification = new ClassificationImpl(lifeCycleManager);

                                 classification.setValue(keyedReference.getKeyValue());

                                 classification.setName(new InternationalStringImpl(keyedReference.getKeyName()));

                                 String tmodelKey = keyedReference.getTModelKey();

                                 if (tmodelKey != null) {

                                         ClassificationScheme scheme = new ClassificationSchemeImpl(lifeCycleManager);

                                         scheme.setKey(new KeyImpl(tmodelKey));

                                         classification.setClassificationScheme(scheme);

                                 }

                                 classifications.add(classification);

                         }

                 }

                 return classifications;

         }

         public static Collection<ExternalLink> getExternalLinks(OverviewDoc overviewDoc , LifeCycleManager lifeCycleManager)

         throws JAXRException

         {

                 ArrayList<ExternalLink> alist = new ArrayList<ExternalLink>(1);

                 if(overviewDoc != null)

                 {

                         String descStr = "";

                         Description desc = null;

                         if (overviewDoc.getDescription().size()>0) desc = overviewDoc.getDescription().get(0);

                         if (desc !=null) descStr = desc.getValue();

                         alist.add(lifeCycleManager.createExternalLink(overviewDoc.getOverviewURL(),descStr));

                 }

                 return alist;

         }

         /**

          * External Identifiers

          * @param identifierBag identifiers

          * @param lifeCycleManager lifecycleManager

          * @return Collection ExternalIdentifier

          * @throws JAXRException on error

          */

         public static Collection getExternalIdentifiers(IdentifierBag identifierBag, LifeCycleManager lifeCycleManager) 

         throws JAXRException {

                 Collection<ExternalIdentifier> extidentifiers = null;

                 if (identifierBag != null) {

                         extidentifiers = new ArrayList<ExternalIdentifier>();

                         List<KeyedReference> keyedReferenceList = identifierBag.getKeyedReference();

                         for (KeyedReference keyedReference : keyedReferenceList) {

                                 ExternalIdentifier extId = new ExternalIdentifierImpl(lifeCycleManager);

                                 extId.setValue(keyedReference.getKeyValue());

                                 extId.setName(new InternationalStringImpl(keyedReference.getKeyName()));

                                 String tmodelKey = keyedReference.getTModelKey();

                                 if (tmodelKey != null) {

                                         ClassificationScheme scheme = new ClassificationSchemeImpl(lifeCycleManager);

                                         scheme.setKey(new KeyImpl(tmodelKey));

                                         extId.setIdentificationScheme(scheme);

                                 }

                                 extidentifiers.add(extId);

                         }

                 }

                 return extidentifiers;

         }

         private static Locale getLocale(String lang) {

                 if (lang == null || lang.trim().length() == 0) {

                         return Locale.getDefault();

                 } else if (lang.equalsIgnoreCase(Locale.getDefault().getLanguage())) {

                         return Locale.getDefault();

                 } else {

                         return new Locale(lang);

                 } 

         }

 }