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.applib.jaxb;
  
  import java.util.ArrayList;
  import java.util.List;
  
  import jakarta.inject.Inject;
  import jakarta.xml.bind.annotation.adapters.XmlAdapter;
  
  import org.apache.causeway.applib.services.bookmark.Bookmark;
  import org.apache.causeway.applib.services.bookmark.BookmarkService;
  import org.apache.causeway.schema.common.v2.OidsDto;
  
  import lombok.AccessLevel;
  import lombok.Getter;
  
  /**
   * @since 2.0 {@index}
   */
  public class PersistentEntitiesAdapter extends XmlAdapter<OidsDto, Iterable<Object>> {
  
      @Inject @Getter(AccessLevel.PROTECTED)
      private BookmarkService bookmarkService;
  
      @Override
      public List<Object> unmarshal(final OidsDto oidsDto) {
          List<Object> domainObjects = new ArrayList<>();
          for (var oidDto : oidsDto.getOid()) {
              var bookmark = Bookmark.forOidDto(oidDto);
              bookmarkService.lookup(bookmark)
              .ifPresent(domainObjects::add);
          }
          return domainObjects;
      }
  
      @Override
      public OidsDto marshal(final Iterable<Object> domainObjects) {
          if(domainObjects == null) {
              return null;
          }
          var oidsDto = new OidsDto();
          for (var domainObject : domainObjects) {
              var bookmark = getBookmarkService().bookmarkForElseFail(domainObject);
              oidsDto.getOid().add(bookmark.toOidDto());
          }
          return oidsDto;
      }
  
  }
  