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.services.title;
  
  import jakarta.annotation.Priority;
  import jakarta.inject.Inject;
  import jakarta.inject.Named;
  
  import org.springframework.beans.factory.annotation.Qualifier;
  import org.springframework.stereotype.Service;
  
  import org.apache.causeway.applib.annotation.PriorityPrecedence;
  import org.apache.causeway.applib.services.title.TitleService;
  import org.apache.causeway.applib.services.wrapper.WrapperFactory;
  import org.apache.causeway.core.metamodel.CausewayModuleCoreMetamodel;
  import org.apache.causeway.core.metamodel.facets.object.title.TitleRenderRequest;
  import org.apache.causeway.core.metamodel.object.ManagedObjects;
  import org.apache.causeway.core.metamodel.object.MmEntityUtils;
  import org.apache.causeway.core.metamodel.objectmanager.ObjectManager;
  
  import lombok.RequiredArgsConstructor;
  
  /**
   * Default implementation of {@link TitleService}.
   *
   * @since 1.x revised for 2.0 {@index}
   */
  @Service
  @Named(CausewayModuleCoreMetamodel.NAMESPACE + ".TitleServiceDefault")
  @Priority(PriorityPrecedence.MIDPOINT)
  @Qualifier("Default")
  @RequiredArgsConstructor(onConstructor_ = @Inject)
  public class TitleServiceDefault implements TitleService {
  
      private final WrapperFactory wrapperFactory;
      private final ObjectManager objectManager;
  
      @Override
      public String titleOf(final Object domainObject) {
  
          if(objectManager == null) return "" + domainObject; // simplified JUnit test support
  
          var pojo = unwrapped(domainObject);
          var objectAdapter = objectManager.adapt(pojo);
  
          if(ManagedObjects.isNullOrUnspecifiedOrEmpty(objectAdapter)) return "[UNSPECIFIED]";
  
          return MmEntityUtils.getEntityState(objectAdapter).isTransientOrRemoved()
              // here we just mean NOT-ATTACHED (and not the concrete DETACHED entity state)
              ? "[DETACHED]"
              : objectAdapter.objSpec().getTitle(TitleRenderRequest.forObject(objectAdapter));
      }
  
      @Override
      public String iconNameOf(final Object domainObject) {
  
          if(objectManager == null)  // simplified JUnit test support
              return domainObject!=null ? domainObject.getClass().getSimpleName() : "null";
  
          var pojo = unwrapped(domainObject);
          var objectAdapter = objectManager.adapt(pojo);
  
          return ManagedObjects.isNullOrUnspecifiedOrEmpty(objectAdapter)
              ? "unspecified"
              : objectAdapter.objSpec().getIconName(objectAdapter);
      }
  
      //-- HELPER
  
      private Object unwrapped(final Object domainObject) {
          return wrapperFactory != null ? wrapperFactory.unwrap(domainObject) : domainObject;
      }
  
  }
  