content: /*
   * Copyright 2021-2024 Aklivity Inc
   *
   * Licensed under the Aklivity Community License (the "License"); you may not use
   * this file except in compliance with the License.  You may obtain a copy of the
   * License at
   *
   *   https://www.aklivity.io/aklivity-community-license/
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
   * WARRANTIES OF ANY KIND, either express or implied.  See the License for the
   * specific language governing permissions and limitations under the License.
   */
  package io.aklivity.zilla.runtime.catalog.filesystem.internal.config;
  
  import jakarta.json.Json;
  import jakarta.json.JsonObject;
  import jakarta.json.JsonObjectBuilder;
  import jakarta.json.bind.adapter.JsonbAdapter;
  
  import io.aklivity.zilla.runtime.engine.config.OptionsConfig;
  import io.aklivity.zilla.runtime.engine.config.OptionsConfigAdapterSpi;
  
  public class FilesystemOptionsConfigAdapter implements OptionsConfigAdapterSpi, JsonbAdapter<OptionsConfig, JsonObject>
  {
      private static final String SUBJECTS_NAME = "subjects";
      private static final String PATH_NAME = "path";
  
      @Override
      public Kind kind()
      {
          return Kind.CATALOG;
      }
  
      @Override
      public String type()
      {
          return "filesystem";
      }
  
      @Override
      public JsonObject adaptToJson(
          OptionsConfig options)
      {
          FilesystemOptionsConfig config = (FilesystemOptionsConfig) options;
          JsonObjectBuilder subjects = Json.createObjectBuilder();
  
          if (config.subjects != null && !config.subjects.isEmpty())
          {
              JsonObjectBuilder catalogs = Json.createObjectBuilder();
              for (FilesystemSchemaConfig schema : config.subjects)
              {
                  JsonObjectBuilder schemaJson = Json.createObjectBuilder();
  
                  schemaJson.add(PATH_NAME, schema.path);
  
                  catalogs.add(schema.subject, schemaJson);
              }
              subjects.add(SUBJECTS_NAME, catalogs);
          }
          return subjects.build();
      }
  
      @Override
      public OptionsConfig adaptFromJson(
          JsonObject object)
      {
          FilesystemOptionsConfigBuilder<FilesystemOptionsConfig> options = FilesystemOptionsConfig.builder();
          if (object != null)
          {
              if (object.containsKey(SUBJECTS_NAME))
              {
                  JsonObject subjectsJson = object.getJsonObject(SUBJECTS_NAME);
                  for (String subject: subjectsJson.keySet())
                  {
                      JsonObject schemaJson = subjectsJson.getJsonObject(subject);
  
                      String url = schemaJson.getString(PATH_NAME);
  
                      options.subjects(new FilesystemSchemaConfig(subject, url));
                  }
              }
          }
  
          return options.build();
      }
  }
  