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.english.stemmer;
  
  
  import org.apache.lucene.morphology.english.EnglishLuceneMorphology;
  
  import java.util.List;
  
  public class EnglishStemmer {
      private EnglishLuceneMorphology englishLuceneMorphology;
  
      public EnglishStemmer(EnglishLuceneMorphology englishLuceneMorphology) {
          this.englishLuceneMorphology = englishLuceneMorphology;
      }
  
      public String getStemmedWord(String word){
          if(!englishLuceneMorphology.checkString(word)){
              return word;
          }
          List<String> normalForms = englishLuceneMorphology.getNormalForms(word);
          if(normalForms.size() == 1){
              return normalForms.get(0);
          }
          normalForms.remove(word);
          if(normalForms.size() == 1){
              return normalForms.get(0);
          }
          return word;
      }
  
  }
  