content: /*
   *  Licensed to the Apache Software Foundation (ASF) under one
   *  or more contributor license agreements.  See the NOTICE file
   *  distributed with this work for additional information
   *  regarding copyright ownership.  The ASF licenses this file
   *  to you 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.causeway.core.metamodel.facets.object.viewmodel;
  
  import java.util.Optional;
  
  import org.apache.causeway.applib.services.bookmark.Bookmark;
  import org.apache.causeway.applib.services.jaxb.JaxbService;
  import org.apache.causeway.applib.services.urlencoding.UrlEncodingService;
  import org.apache.causeway.commons.internal.debug._Debug;
  import org.apache.causeway.commons.internal.debug.xray.XrayUi;
  import org.apache.causeway.core.metamodel.facetapi.FacetHolder;
  import org.apache.causeway.core.metamodel.object.ManagedObject;
  import org.apache.causeway.core.metamodel.spec.ObjectSpecification;
  
  import lombok.Getter;
  import org.jspecify.annotations.NonNull;
  
  public class ViewModelFacetForXmlRootElementAnnotation
  extends ViewModelFacetAbstract {
  
      public static Optional<ViewModelFacet> create(
              final boolean hasRootElementAnnotation,
              final FacetHolder facetHolder) {
  
          return hasRootElementAnnotation
                  ? Optional.of(new ViewModelFacetForXmlRootElementAnnotation(facetHolder))
                  : Optional.empty();
      }
  
      private ViewModelFacetForXmlRootElementAnnotation(
              final FacetHolder facetHolder) {
          // overruled by other non fallback ViewModelFacet types
          super(facetHolder, Precedence.DEFAULT);
      }
  
      @Override
      protected ManagedObject createViewmodel(
              final @NonNull ObjectSpecification viewmodelSpec,
              final @NonNull Bookmark bookmark) {
          final String xmlStr = getUrlEncodingService().decodeToString(bookmark.identifier());
  
          _Debug.onCondition(XrayUi.isXrayEnabled(), ()->{
              _Debug.log("[JAXB] de-serializing viewmodel %s\n"
                      + "--- XML ---\n"
                      + "%s"
                      + "-----------\n",
                      viewmodelSpec.logicalTypeName(),
                      xmlStr);
          });
  
          var viewmodelPojo = getJaxbService().fromXml(viewmodelSpec.getCorrespondingClass(), xmlStr);
          return viewmodelPojo!=null
                  ? ManagedObject.bookmarked(viewmodelSpec, viewmodelPojo, bookmark)
                  : ManagedObject.empty(viewmodelSpec);
      }
  
      @Override
      protected String serialize(final ManagedObject managedObject) {
  
          final String xml = getJaxbService().toXml(managedObject.getPojo());
          final String encoded = getUrlEncodingService().encodeString(xml);
          _Debug.onCondition(XrayUi.isXrayEnabled(), ()->{
              _Debug.log("[JAXB] serializing viewmodel %s\n"
                      + "--- XML ---\n"
                      + "%s"
                      + "-----------\n",
                      managedObject.objSpec().logicalTypeName(),
                      xml);
          });
          return encoded;
      }
  
      // -- DEPENDENCIES
  
      @Getter(lazy=true)
      private final JaxbService jaxbService =
          getServiceRegistry().lookupServiceElseFail(JaxbService.class);
  
      @Getter(lazy=true)
      private final UrlEncodingService urlEncodingService =
          getServiceRegistry().lookupServiceElseFail(UrlEncodingService.class);
  
  }
  