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.object;
  
  import java.util.Optional;
  import java.util.function.Predicate;
  
  import org.jspecify.annotations.Nullable;
  
  import org.apache.causeway.applib.services.i18n.TranslationContext;
  import org.apache.causeway.applib.services.i18n.TranslationService;
  import org.apache.causeway.core.metamodel.facets.object.title.TitleRenderRequest;
  
  import lombok.experimental.UtilityClass;
  
  @UtilityClass
  public class MmTitleUtils {
  
      public String abbreviatedTitleOf(final ManagedObject adapter, final int maxLength, final String suffix) {
          return _InternalTitleUtil.abbreviated(titleOf(adapter), maxLength, suffix);
      }
  
      public String titleOf(final ManagedObject adapter) {
          return adapter!=null
                  ? adapter.getTitle()
                  : "";
      }
  
      public String getTitleHonoringTitlePartSkipping(
              final ManagedObject managedObject,
              final Predicate<ManagedObject> skipTitlePart) {
          return ManagedObjects.isPacked(managedObject)
                  ? "(multiple objects)"
                  : managedObject != null
                      ? _InternalTitleUtil.titleString(
                              new TitleRenderRequest(managedObject, skipTitlePart))
                      : "(no object)";
      }
  
      public static String formatAnyCardinalityAsTitle(
              final int cardinality, // number of items
              final String singularName,
              final @Nullable TranslationService translationService) {
  
          var nounTranslated = Optional.ofNullable(translationService)
                  .map(ts->ts.translate(TranslationContext.empty(), singularName))
                  .orElse(singularName);
          var entriesOfTranslated = Optional.ofNullable(translationService)
                  .map(ts->ts.translate(TranslationContext.empty(), "entries of"))
                  .orElse("entries of");
  
          return switch (cardinality) {
              case 0 -> "No " + nounTranslated;
              case 1 -> "1 " + nounTranslated;
              default -> "" + cardinality + " " + entriesOfTranslated + " " + nounTranslated;
          };
      }
  
  }
  