content: /*
   * Copyright © 2018-2025 Commonwealth Scientific and Industrial Research
   * Organisation (CSIRO) ABN 41 687 119 230.
   *
   * Licensed 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 au.csiro.pathling.views;
  
  import com.google.gson.Gson;
  import com.google.gson.TypeAdapter;
  import com.google.gson.TypeAdapterFactory;
  import com.google.gson.reflect.TypeToken;
  import jakarta.annotation.Nullable;
  
  /**
   * This adapter is used to serialize strings, but throw an error if a non-string is encountered.
   *
   * @author John Grimes
   */
  public class StrictStringTypeAdapterFactory implements TypeAdapterFactory {
  
    @Nullable
    @Override
    @SuppressWarnings("unchecked")
    public <T> TypeAdapter<T> create(@Nullable final Gson gson, @Nullable final TypeToken<T> type) {
      if (gson == null || type == null || String.class != type.getRawType()) {
        return null;
      }
      return (TypeAdapter<T>) new StrictStringTypeAdapter();
    }
  
  }
  