@Override
protected void close() throws IOException {
super.close();
writerA.close();
if (writerB != null) writerB.close();
writerA = null;
writerB = null;
}
protected void init(int mode) throws IOException {
super.init();
writerA = new BufferedWriter(new FileWriter(outputA));
if (mode == TWO_FILES) {
if (outputB == null) outputB = outputA + "1";
writerB = new BufferedWriter(new FileWriter(outputB));
}
if (mode == N_FILES) {
if (outputFiles == null) outputFiles = new LinkedList<>();
else outputFiles.clear();
outputFiles.add(outputA);
}
}