/*
    * Copyright 2016 the original author or authors.
    *
    * 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 org.openehealth.ipf.commons.ihe.fhir.translation;
  
  import org.openehealth.ipf.commons.map.MappingService;
  
  import java.util.Optional;
  
  /**
   * Default URI Mapper implementation that requires a {@link MappingService}
   * for URI-to-OID translation
   *
   * @author Christian Ohr
   * @since 3.1
   */
  public class DefaultUriMapper extends AbstractUriMapper {
  
      private final MappingService mappingService;
      private String uriToOidMappingKey;
      private String uriToNamespaceMappingKey;
  
      public DefaultUriMapper(MappingService mappingService) {
          this.mappingService = mappingService;
      }
  
      public DefaultUriMapper(MappingService mappingService, String uriToOidMappingKey, String uriToNamespaceMappingKey) {
          this.mappingService = mappingService;
          this.uriToOidMappingKey = uriToOidMappingKey;
          this.uriToNamespaceMappingKey = uriToNamespaceMappingKey;
      }
  
      @Override
      protected Optional<String> mapUriToOid(String uri) {
          return Optional.ofNullable((String) mappingService.get(uriToOidMappingKey, uri));
      }
  
      @Override
      protected Optional<String> mapOidToUri(String oid) {
          return Optional.ofNullable((String) mappingService.getKey(uriToOidMappingKey, oid));
      }
  
      @Override
      protected Optional<String> mapUriToNamespace(String uri) {
          return Optional.ofNullable((String) mappingService.get(uriToNamespaceMappingKey, uri));
      }
  
      @Override
      protected Optional<String> mapNamespaceToUri(String namespace) {
          return Optional.ofNullable((String) mappingService.getKey(uriToNamespaceMappingKey, namespace));
      }
  }