public void run()

in opennlp-tools/src/main/java/opennlp/tools/cmdline/parser/ParserTrainerTool.java [124:192]
56 lines of code
13 McCabe index (conditional complexity)

  public void run(String format, String[] args) {
    super.run(format, args);

    mlParams = CmdLineUtil.loadTrainingParameters(params.getParams(), true);

    if (mlParams != null) {
      if (!TrainerFactory.isValid(mlParams.getParameters("build"))) {
        throw new TerminateToolException(1, "Build training parameters are invalid!");
      }

      if (!TrainerFactory.isValid(mlParams.getParameters("check"))) {
        throw new TerminateToolException(1, "Check training parameters are invalid!");
      }

      if (!TrainerFactory.isValid(mlParams.getParameters("attach"))) {
        throw new TerminateToolException(1, "Attach training parameters are invalid!");
      }

      if (!TrainerFactory.isValid(mlParams.getParameters("tagger"))) {
        throw new TerminateToolException(1, "Tagger training parameters are invalid!");
      }

      if (!TrainerFactory.isValid(mlParams.getParameters("chunker"))) {
        throw new TerminateToolException(1, "Chunker training parameters are invalid!");
      }
    }

    if (mlParams == null) {
      mlParams = ModelUtil.createDefaultTrainingParameters();
    }

    File modelOutFile = params.getModel();
    CmdLineUtil.checkOutputFile("parser model", modelOutFile);

    ParserModel model;
    try {
      HeadRules rules = createHeadRules(params);

      ParserType type = parseParserType(params.getParserType());
      if (params.getFun()) {
        Parse.useFunctionTags(true);
      }

      if (ParserType.CHUNKING.equals(type)) {
        model = opennlp.tools.parser.chunking.Parser.train(
            params.getLang(), sampleStream, rules,
            mlParams);
      }
      else if (ParserType.TREEINSERT.equals(type)) {
        model = opennlp.tools.parser.treeinsert.Parser.train(params.getLang(), sampleStream, rules,
            mlParams);
      }
      else {
        throw new IllegalStateException();
      }
    }
    catch (IOException e) {
      throw createTerminationIOException(e);
    }
    finally {
      try {
        sampleStream.close();
      } catch (IOException e) {
        // sorry that this can fail
      }
    }

    CmdLineUtil.writeModel("parser", modelOutFile, model);
  }