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 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.OidDto;
  
  /**
   * @since 2.0 {@index}
   */
  public class PersistentEntityAdapter extends XmlAdapter<OidDto, Object> {
  
      @Inject private BookmarkService bookmarkService;
  
      @Override
      public Object unmarshal(final OidDto oidDto) throws Exception {
          var bookmark = Bookmark.forOidDto(oidDto);
          return bookmarkService.lookup(bookmark).orElse(null);
      }
  
      @Override
      public OidDto marshal(final Object domainObject) throws Exception {
          if(domainObject == null) {
              return null;
          }
          var bookmark = bookmarkService.bookmarkForElseFail(domainObject);
          return bookmark.toOidDto();
      }
  
  }
  