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.services;
  
  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.bookmarkui.BookmarkUiService;
  import org.apache.causeway.viewer.wicket.viewer.CausewayModuleViewerWicketViewer;
  import org.apache.causeway.viewer.wicket.viewer.integration.AuthenticatedWebSessionForCauseway;
  
  /**
   * Implementation of {@link BookmarkUiService}.
   *
   * @since 1.x revised for 2.0 {@index}
   */
  @Service
  @Named(BookmarkUiServiceWicket.LOGICAL_TYPE_NAME)
  @jakarta.annotation.Priority(PriorityPrecedence.EARLY)
  @Qualifier("Wicket")
  public class BookmarkUiServiceWicket implements BookmarkUiService {
  
      public static final String LOGICAL_TYPE_NAME =
              CausewayModuleViewerWicketViewer.NAMESPACE + ".BookmarkUiServiceWicket";
  
      @Override
      public void clear() {
          var session = AuthenticatedWebSessionForCauseway.get();
          if (session == null) {
              return;
          }
          session.getBreadcrumbModel().clear();
          session.getBookmarkedPagesModel().clear();
      }
  }
  