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.ui.pages.error;
  
  import java.util.List;
  
  import org.apache.wicket.authroles.authorization.strategies.role.annotations.AuthorizeInstantiation;
  
  import org.apache.causeway.applib.services.error.ErrorDetails;
  import org.apache.causeway.applib.services.error.ErrorReportingService;
  import org.apache.causeway.applib.services.error.Ticket;
  import org.apache.causeway.applib.services.user.UserMemento;
  import org.apache.causeway.commons.internal.collections._Lists;
  import org.apache.causeway.viewer.wicket.model.util.PageParameterUtils;
  import org.apache.causeway.viewer.wicket.ui.errors.ExceptionModel;
  import org.apache.causeway.viewer.wicket.ui.errors.ExceptionStackTracePanel;
  import org.apache.causeway.viewer.wicket.ui.errors.StackTraceDetail;
  import org.apache.causeway.viewer.wicket.ui.pages.PageAbstract;
  import org.apache.causeway.viewer.wicket.ui.pages.PageClassRegistry;
  
  /**
   * Web page representing the home page (showing a welcome message).
   */
  @AuthorizeInstantiation(UserMemento.AUTHORIZED_USER_ROLE)
  public class ErrorPage extends PageAbstract {
  
      private static final long serialVersionUID = 1L;
  
      private static final String ID_EXCEPTION_STACK_TRACE = "exceptionStackTrace";
  
      public ErrorPage(final ExceptionModel exceptionModel) {
          super(PageParameterUtils.newPageParameters(), null);
  
          addBookmarkedPages(themeDiv);
  
          var errorReportingService = super.getMetaModelContext().getServiceRegistry()
                  .lookupService(ErrorReportingService.class).orElse(null);
  
          if(errorReportingService != null) {
  
              final String mainMessage = exceptionModel.getMainMessage();
              final boolean recognized = exceptionModel.isRecognized();
              final boolean authorizationException = exceptionModel.isAuthorizationException();
  
              final List<StackTraceDetail> stackTrace = exceptionModel.getStackTrace();
              final List<String> stackDetailList = transform(stackTrace);
  
              final List<List<StackTraceDetail>> stackTraces = exceptionModel.getStackTraces();
              final List<List<String>> stackDetailLists = _Lists.newArrayList();
              for (List<StackTraceDetail> trace : stackTraces) {
                  stackDetailLists.add(transform(trace));
              }
  
              final ErrorDetails errorDetails =
                      new ErrorDetails(mainMessage, recognized, authorizationException, stackDetailList, stackDetailLists);
  
              final Ticket ticket = errorReportingService.reportError(errorDetails);
  
              if (ticket != null) {
                  exceptionModel.setTicket(ticket);
              }
  
          }
  
          var pageClassRegistry = super.getServiceRegistry().lookupServiceElseFail(PageClassRegistry.class);
  
          themeDiv.add(new ExceptionStackTracePanel(pageClassRegistry, ID_EXCEPTION_STACK_TRACE, exceptionModel));
  
      }
  
      protected List<String> transform(final List<StackTraceDetail> stackTrace) {
          return _Lists.map(stackTrace, StackTraceDetail::line);
      }
  
  }
  