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.viewer.wicket.viewer.integration;
  
  import java.util.Locale;
  
  import jakarta.inject.Inject;
  
  import org.apache.wicket.util.convert.IConverter;
  
  import org.apache.causeway.applib.services.bookmark.Bookmark;
  import org.apache.causeway.core.metamodel.object.ManagedObject;
  import org.apache.causeway.core.metamodel.object.ManagedObjects;
  import org.apache.causeway.core.metamodel.objectmanager.ObjectManager;
  
  /**
   * Implementation of a <i>Wicket</i> {@link IConverter} for {@link ManagedObject}s,
   * converting to-and-from their {@link Bookmark}'s string representation.
   */
  public class ConverterForObjectAdapter implements IConverter<ManagedObject> {
  
      private static final long serialVersionUID = 1L;
  
      @Inject private transient ObjectManager objectManager;
  
      /**
       * Converts string representation of {@link Bookmark} to
       * {@link ManagedObject}.
       */
      @Override
      public ManagedObject convertToObject(final String value, final Locale locale) {
  
          var obj = Bookmark.parse(value)
              .flatMap(objectManager.getMetaModelContext().getObjectManager()::loadObject)
              .orElse(null);
  
          //XXX ever used ?
          System.err.printf("ConverterForObjectAdapter: convertTo ManagedObject %s->%s%n", value, obj);
  
          return obj;
      }
  
      /**
       * Converts {@link ManagedObject} to string representation of {@link Bookmark}.
       */
      @Override
      public String convertToString(final ManagedObject adapter, final Locale locale) {
          var string =  ManagedObjects.stringify(adapter)
                  .orElse(null);
  
          //XXX ever used ?
          System.err.printf("ConverterForObjectAdapter: convertFrom ManagedObject %s->%s%n", adapter, string);
  
          return string;
      }
  
  }
  