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.cassandra.index.sasi.analyzer;
  
  import java.util.Map;
  
  /** Simple tokenizer based on a specified delimiter (rather than whitespace).
   */
  public class DelimiterTokenizingOptions
  {
      public static final String DELIMITER = "delimiter";
  
      private final char delimiter;
  
      private DelimiterTokenizingOptions(char delimiter)
      {
          this.delimiter = delimiter;
      }
  
      char getDelimiter()
      {
          return delimiter;
      }
  
      private static class OptionsBuilder
      {
          private char delimiter = ',';
  
          public DelimiterTokenizingOptions build()
          {
              return new DelimiterTokenizingOptions(delimiter);
          }
      }
  
      static DelimiterTokenizingOptions buildFromMap(Map<String, String> optionsMap)
      {
          OptionsBuilder optionsBuilder = new OptionsBuilder();
  
          for (Map.Entry<String, String> entry : optionsMap.entrySet())
          {
              switch (entry.getKey())
              {
                  case DELIMITER:
                  {
                      String value = entry.getValue();
                      if (1 != value.length())
                          throw new IllegalArgumentException(String.format("Only single character delimiters supported, was %s", value));
  
                      optionsBuilder.delimiter = entry.getValue().charAt(0);
                      break;
                  }
              }
          }
          return optionsBuilder.build();
      }
  }
  