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.grid.bootstrap;
  
  import java.util.EnumSet;
  import java.util.Objects;
  
  import jakarta.annotation.Priority;
  import jakarta.inject.Inject;
  import jakarta.inject.Named;
  import jakarta.xml.bind.Marshaller;
  
  import org.springframework.beans.factory.annotation.Qualifier;
  import org.springframework.stereotype.Service;
  
  import org.apache.causeway.applib.annotation.PriorityPrecedence;
  import org.apache.causeway.applib.layout.grid.bootstrap.BSGrid;
  import org.apache.causeway.applib.services.grid.GridMarshallerService;
  import org.apache.causeway.applib.services.jaxb.JaxbService;
  import org.apache.causeway.applib.value.NamedWithMimeType.CommonMimeType;
  import org.apache.causeway.commons.functional.Try;
  import org.apache.causeway.commons.internal.collections._Maps;
  import org.apache.causeway.commons.internal.exceptions._Exceptions;
  import org.apache.causeway.commons.io.JaxbUtils;
  import org.apache.causeway.core.metamodel.CausewayModuleCoreMetamodel;
  
  import lombok.Getter;
  import org.jspecify.annotations.NonNull;
  import lombok.experimental.Accessors;
  
  /**
   * Default implementation of {@link GridMarshallerService} using DTOs based on
   * <a href="https://getbootstrap.com>Bootstrap</a> design system.
   *
   * @since 2.0 {@index}
   */
  @Service
  @Named(CausewayModuleCoreMetamodel.NAMESPACE + ".GridMarshallerServiceBootstrap")
  @Priority(PriorityPrecedence.MIDPOINT)
  @Qualifier("Default")
  //@Log4j2
  public class GridMarshallerServiceBootstrap
  implements GridMarshallerService<BSGrid> {
  
      private final JaxbService jaxbService;
  
      @Inject
      public GridMarshallerServiceBootstrap(final JaxbService jaxbService) {
          super();
          this.jaxbService = jaxbService;
          // eagerly create a JAXBContext for this grid type (and cache it)
          JaxbUtils.jaxbContextFor(BSGrid.class, true);
      }
  
      @Getter(onMethod_={@Override}) @Accessors(fluent = true)
      private final EnumSet<CommonMimeType> supportedFormats =
          EnumSet.of(CommonMimeType.XML);
  
      @Override
      public Class<BSGrid> supportedClass() {
          return BSGrid.class;
      }
  
      @Override
      public String marshal(final @NonNull BSGrid grid, final @NonNull CommonMimeType format) {
          throwIfFormatNotSupported(format);
          switch(format) {
          case XML:{
              return jaxbService.toXml(grid,
                      _Maps.unmodifiable(
                              Marshaller.JAXB_SCHEMA_LOCATION,
                              Objects.requireNonNull(grid.getTnsAndSchemaLocation())
                              ));
          }
          default:
              throw _Exceptions.unsupportedOperation("supported format %s is not implemented", format.name());
          }
      }
  
      @Override
      public Try<BSGrid> unmarshal(final String content, final @NonNull CommonMimeType format) {
          throwIfFormatNotSupported(format);
          switch(format) {
          case XML:{
              return Try.call(()->jaxbService.fromXml(BSGrid.class, content));
          }
          default:
              throw _Exceptions.unsupportedOperation("supported format %s is not implemented", format.name());
          }
      }
  
      // -- HELPER
  
      private void throwIfFormatNotSupported(final CommonMimeType format) {
          if(!supportedFormats().contains(format)) {
              throw _Exceptions.unsupportedOperation("object layout file format %s not supported", format.name());
          }
      }
  
  }
  