train.java

void train() throws IOException, ClassNotFoundException {
	File trainDir;
	String[] categories;
	LMClassifier class;
	trainDir = new File("trainDirectory");
	categories = trainDir.list();
	int nGram = 7; //the nGram level, any value between 7 and 12 works
	class= DynamicLMClassifier.createNGramProcess(mCategories, nGram);

	for (int i = 0; i < categories.length; ++i) {
		String category = categories[i];
		Classification classification = new Classification(category);
		File file = new File(trainDir, categories[i]);
		File[] trainFiles = file.listFiles();
		for (int j = 0; j < trainFiles.length; ++j) {
			File trainFile = trainFiles[j];
			String review = Files.readFromFile(trainFile, "ISO-8859-1");
			Classified classified = new Classified(review, classification);
			((ObjectHandler>) class).handle(classified);  
		}
 	}
	AbstractExternalizable.compileTo((Compilable) class, new File("classifier.txt"));
}