content: /**
   * Copyright 2009 Alexander Kuznetsov
   *
   * 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.apache.lucene.morphology.dictionary;
  
  import java.io.BufferedReader;
  import java.io.FileInputStream;
  import java.io.IOException;
  import java.io.InputStreamReader;
  import java.util.ArrayList;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  
  
  public class GrammarReader {
      private String fileName;
      private String fileEncoding = "windows-1251";
      private List<String> grammarInfo = new ArrayList<>();
      private Map<String, Integer> inverseIndex = new HashMap<>();
  
      public GrammarReader(String fileName) throws IOException {
          this.fileName = fileName;
          setUp();
      }
  
      public GrammarReader(String fileName, String fileEncoding) throws IOException {
          this.fileName = fileName;
          this.fileEncoding = fileEncoding;
          setUp();
      }
  
      private void setUp() throws IOException {
          BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(new FileInputStream(fileName), fileEncoding));
          String line = bufferedReader.readLine();
          while (line != null) {
              line = line.trim();
              if (!line.startsWith("//") && line.length() > 0) {
                  String[] strings = line.split(" ", 2);
                  int i = grammarInfo.size();
                  inverseIndex.put(strings[0], i);
                  grammarInfo.add(i, strings[1]);
              }
              line = bufferedReader.readLine();
          }
      }
  
      public List<String> getGrammarInfo() {
          return grammarInfo;
      }
  
      public String[] getGrammarInfoAsArray() {
          return grammarInfo.toArray(new String[0]);
      }
  
      public Map<String, Integer> getGrammarInverseIndex() {
          return inverseIndex;
      }
  }
  