private long contentSize = 0;

    private long processingTime = 0;

    @Override
    public void clear() {
        super.clear();
        contentSize = 0;
        processingTime = 0;
    }

    public long getContentSize() {
        return contentSize;
    }

    public void addContentSize(final long contentSize) {
        this.contentSize += contentSize;
    }

            long contentSize = 0;
            while (entries.hasMoreElements()) {
                final LhaHeader head = entries.nextElement();
                contentSize += head.getOriginalSize();
                if (maxContentSize != -1 && contentSize > maxContentSize) {
                    throw new MaxLengthExceededException("Extracted size is " + contentSize + " > " + maxContentSize);
                }

        synchronized (docList) {
            docList.add(ingest(paramMap, dataMap));
            final long contentSize = indexingHelper.calculateDocumentSize(dataMap);
            docList.addContentSize(contentSize);
            final long processingTime = systemHelper.getCurrentTimeAsLong() - startTime;
            docList.addProcessingTime(processingTime);

            ZipArchiveEntry entry = null;
            long contentSize = 0;
            while ((entry = (ZipArchiveEntry) ais.getNextEntry()) != null) {
                contentSize += entry.getSize();
                if (maxContentSize != -1 && contentSize > maxContentSize) {
                    throw new MaxLengthExceededException("Extracted size is " + contentSize + " > " + maxContentSize);
                }

            TarArchiveEntry entry = null;
            long contentSize = 0;
            while ((entry = (TarArchiveEntry) ais.getNextEntry()) != null) {
                contentSize += entry.getSize();
                if (maxContentSize != -1 && contentSize > maxContentSize) {
                    throw new MaxLengthExceededException("Extracted size is " + contentSize + " > " + maxContentSize);
                }

        final String content = "TEST";
        final File contentFile = createContentFile(".txt", content.getBytes());

        final CommandExtractor extractor = new CommandExtractor();
        extractor.command = getCommand(scriptFile);
        final Map<String, String> params = new HashMap<String, String>();
        final ExtractData text = extractor.getText(new FileInputStream(contentFile), params);
        assertEquals(content, text.getContent());