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.fhirpath.variable;
  
  import au.csiro.pathling.errors.UnsupportedFhirPathFeatureError;
  import au.csiro.pathling.fhirpath.collection.Collection;
  import jakarta.annotation.Nonnull;
  import java.util.Optional;
  
  /**
   * This resolver throws errors for known unsupported environment variables in FHIRPath.
   *
   * @author John Grimes
   */
  public class UnsupportedVariableResolver implements EnvironmentVariableResolver {
  
    @Override
    public Optional<Collection> get(@Nonnull final String name) {
      return switch (name) {
        case "factory" -> throw new UnsupportedFhirPathFeatureError("Type factory is not supported");
        case "terminologies" ->
            throw new UnsupportedOperationException("Terminology service is not supported");
        case "server" ->
            throw new UnsupportedFhirPathFeatureError("General Service API is not supported");
        default -> Optional.empty();
      };
    }
  
  }
  