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.valuesemantics;
  
  import java.io.Serializable;
  
  import jakarta.annotation.Priority;
  import jakarta.inject.Inject;
  import jakarta.inject.Named;
  
  import org.springframework.stereotype.Component;
  
  import org.apache.causeway.applib.annotation.PriorityPrecedence;
  import org.apache.causeway.applib.services.bookmark.IdStringifier;
  import org.apache.causeway.applib.services.urlencoding.UrlEncodingService;
  import org.apache.causeway.applib.value.semantics.ValueSemanticsProvider;
  import org.apache.causeway.commons.internal.base._Strings;
  import org.apache.causeway.commons.internal.resources._Serializables;
  
  import org.jspecify.annotations.NonNull;
  
  /**
   * Used as a fallback if no other {@link ValueSemanticsProvider}
   * is available to handle the corresponding value type.
   */
  @Component
  @Named("causeway.metamodel.value.IdStringifierForSerializable")
  @Priority(PriorityPrecedence.LAST)
  public class IdStringifierForSerializable
  implements
      IdStringifier.EntityAgnostic<Serializable>{
  
      private final UrlEncodingService codec;
  
      @Inject
      public IdStringifierForSerializable(
              final @NonNull UrlEncodingService codec) {
          this.codec = codec;
      }
  
  //    @Override
  //    public ValueType getSchemaValueType() {
  //        return ValueType.STRING;
  //    }
  
      @Override
      public Class<Serializable> getCorrespondingClass() {
          return Serializable.class;
      }
  
  //    // -- COMPOSER
  //
  //    @Override
  //    public ValueDecomposition decompose(final Serializable value) {
  //        return decomposeAsString(value, this::enstring, ()->null);
  //    }
  //
  //    @Override
  //    public Serializable compose(final ValueDecomposition decomposition) {
  //        return composeFromString(decomposition, this::destring, ()->null);
  //    }
  
      // -- ID STRINGIFIER
  
      @Override
      public String enstring(final @NonNull Serializable id) {
          // even though null case is guarded by lombok - keep null check for symmetry
          return id != null
                  ? codec.encode(_Serializables.write(id))
                  : null;
      }
  
      @Override
      public Serializable destring(
              final @NonNull String stringified) {
          return destringAs(stringified, Serializable.class);
      }
  
  //    @Override
  //    public Can<Serializable> getExamples() {
  //        return Can.of(
  //                Integer.MAX_VALUE,
  //                "Hallo World",
  //                new BigDecimal("3.1415"));
  //    }
  
      // -- HELPER
  
      private <T extends Serializable> T destringAs(
              final @NonNull String stringified,
              final @NonNull Class<T> requiredClass) {
          return _Strings.isNotEmpty(stringified)
                  ? _Serializables.read(requiredClass, codec.decode(stringified))
                  : null;
      }
  
  }
  