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.asterix.common.utils;
  
  import static org.apache.asterix.common.utils.IdentifierUtil.DATASET;
  import static org.apache.asterix.common.utils.IdentifierUtil.DATAVERSE;
  import static org.apache.asterix.common.utils.IdentifierUtil.PRODUCT_ABBREVIATION;
  import static org.apache.asterix.common.utils.IdentifierUtil.PRODUCT_NAME;
  
  import org.apache.asterix.common.api.IIdentifierMapper;
  import org.apache.asterix.common.api.IIdentifierMapper.Modifier;
  
  public class IdentifierMappingUtil {
  
      private static final String PLAIN_DATASET = "dataset";
      private static final String SINGULAR_DATASET = "a dataset";
      private static final String PLURAL_DATASET = "datasets";
  
      private static final String PLAIN_DATAVERSE = "dataverse";
      private static final String SINGULAR_DATAVERSE = "a dataverse";
      private static final String PLURAL_DATAVERSE = "dataverses";
  
      private static final String DEFAULT_PRODUCT_NAME = "Apache AsterixDB";
      private static final String DEFAULT_PRODUCT_ABBREVIATION = "AsterixDB";
  
      private static final IIdentifierMapper DEFAULT_MAPPER = (identifier, modifier) -> {
          switch (identifier) {
              case DATASET:
                  switch (modifier) {
                      case NONE:
                      case NONE_CAPITALIZED:
                          return modifier.fixup(PLAIN_DATASET);
                      case SINGULAR:
                      case SINGULAR_CAPITALIZED:
                          return modifier.fixup(SINGULAR_DATASET);
                      case PLURAL:
                      case PLURAL_CAPITALIZED:
                          return modifier.fixup(PLURAL_DATASET);
                      default:
                          throw new IllegalArgumentException("unknown modifier " + modifier);
                  }
              case DATAVERSE:
                  switch (modifier) {
                      case NONE:
                      case NONE_CAPITALIZED:
                          return modifier.fixup(PLAIN_DATAVERSE);
                      case SINGULAR:
                      case SINGULAR_CAPITALIZED:
                          return modifier.fixup(SINGULAR_DATAVERSE);
                      case PLURAL:
                      case PLURAL_CAPITALIZED:
                          return modifier.fixup(PLURAL_DATAVERSE);
                      default:
                          throw new IllegalArgumentException("unknown modifier " + modifier);
                  }
              case PRODUCT_NAME:
                  return modifier.fixup(DEFAULT_PRODUCT_NAME);
              case PRODUCT_ABBREVIATION:
                  return modifier.fixup(DEFAULT_PRODUCT_ABBREVIATION);
              default:
                  throw new IllegalArgumentException("unmapped identifier: " + identifier);
          }
      };
  
      private static IIdentifierMapper mapper = DEFAULT_MAPPER;
  
      private IdentifierMappingUtil() {
      }
  
      public static void setMapper(IIdentifierMapper mapper) {
          IdentifierMappingUtil.mapper = mapper;
      }
  
      public static String map(String key, Modifier modifier) {
          return mapper.map(key, modifier);
      }
  
  }
  