| /* |
| * 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(); |
| } |
| } |