@BeforeClass public static void train() throws Exception { ResourceAsStreamFactory streamFactory = new ResourceAsStreamFactory( LanguageDetectorMETest.class, "/opennlp/tools/doccat/DoccatSample.txt"); PlainTextByLineStream lineStream = new PlainTextByLineStream(streamFactory, "UTF-8"); LanguageDetectorSampleStream sampleStream = new LanguageDetectorSampleStream(lineStream); TrainingParameters params = new TrainingParameters(); params.put(TrainingParameters.ITERATIONS_PARAM, "100"); params.put(TrainingParameters.CUTOFF_PARAM, "5"); params.put(TrainingParameters.ALGORITHM_PARAM, "NAIVEBAYES"); model = LanguageDetectorME.train(sampleStream, params, new DummyFactory()); }