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.facets.object.value;
  
  import org.jspecify.annotations.NonNull;
  import org.jspecify.annotations.Nullable;
  
  import org.apache.causeway.applib.value.semantics.ValueDecomposition;
  import org.apache.causeway.applib.value.semantics.ValueSemanticsProvider;
  import org.apache.causeway.commons.internal.base._Casts;
  import org.apache.causeway.commons.internal.base._Strings;
  
  public record ValueSerializerDefault<T>(
          @NonNull ValueSemanticsProvider<T> semantics
          ) implements ValueSerializer<T> {
  
      public static final String ENCODED_NULL = "NULL";
  
      @Override
      public T destring(final @NonNull Format format, final @NonNull String encodedData) {
          return ENCODED_NULL.equals(encodedData)
              ? null
              : switch(format) {
                  case JSON-> semantics.compose(
                              ValueDecomposition.fromJson(semantics.getSchemaValueType(), encodedData));
                  case URL_SAFE->
                      //TODO could use IdStringifiers instead
                      destring(Format.JSON, _Strings.base64UrlDecode(encodedData));
              };
      }
  
      @Override
      public String enstring(final @NonNull Format format, final @Nullable T value) {
          return value == null
              ? ENCODED_NULL
              : switch(format) {
                  case JSON-> semantics.decompose(_Casts.uncheckedCast(value)).toJson();
                  case URL_SAFE->
                      //TODO could use IdStringifiers instead
                      _Strings.base64UrlEncode(enstring(Format.JSON, value));
              };
      }
  
  }
  