public String lemmatize()

in jwnl-addon/src/main/java/opennlp/jwnl/lemmatizer/JWNLLemmatizer.java [103:135]

• 33 lines of code
• 13 McCabe index (conditional complexity)

  public String lemmatize(String word, String postag) {
    String constantTag = "NNP";
    IndexWord baseForm;
    String lemma;
    try {
      POS pos;
      if (postag.startsWith("N") || postag.startsWith("n")) {
        pos = POS.NOUN;
      } else if (postag.startsWith("V") || postag.startsWith("v")) {
        pos = POS.VERB;
      } else if (postag.startsWith("J") || postag.startsWith("a")) {
        pos = POS.ADJECTIVE;
      } else if (postag.startsWith("RB") || postag.startsWith("r")) {
        pos = POS.ADVERB;
      } else {
        pos = POS.ADVERB;
      }
      baseForm = morphy.lookupBaseForm(pos, word);
      if (baseForm != null) {
        lemma = baseForm.getLemma().toString();
      }
      else if (baseForm == null && postag.startsWith(constantTag)) {
          lemma = word;
        }
        else {
          lemma= word.toLowerCase();
        }
    } catch (JWNLException e) {
      e.printStackTrace();
      return null;
    }
    return lemma;
  }