this.data = data;
        this.file = null;
    }

    public ContentCache(final File file) {
        this.data = null;
        this.file = file;
    }

    @Override
    public void close() throws IOException {
        if (file != null) {
            Files.delete(file.toPath());
        }
    }

    public InputStream getInputStream() throws IOException {
        if (file != null) {

        req.execute(res -> {
            logger.info("Processing request. Number of temp files: " + countTmpFiles());
        }, e -> {});
        long after = countTmpFiles();
        logger.info("After close response. Number of temp files: " + after);

        // ## Assert ##
        assertEquals(before, after);
    }

    private long countTmpFiles() {

    private String encoding;

    private Exception contentException;

    private Map<String, List<String>> headers;

    @Override
    public void close() throws IOException {
        if (contentCache != null) {
            contentCache.close();
        }
    }

    public <T> T getContent(final Function<CurlResponse, T> parser) {
        return parser.apply(this);
    }

        ContentOutputStream cos = new ContentOutputStream(10, Curl.tmpDir);
        cos.write(new byte[] { 0, 1, 2, 3, 4 });
        assertFalse(cos.done);
        assertTrue(cos.isInMemory());
        cos.close();
        assertFalse(cos.done);
    }

    @Test
    public void inFile() throws IOException {
        ContentOutputStream cos = new ContentOutputStream(10, Curl.tmpDir);

    }

    @Override
    public File getFile() {
        done = true;
        return super.getFile();
    }

    @Override
    public void close() throws IOException {
        try {
            super.close();
        } finally {
            if (!isInMemory() && !done) {
                final File file = super.getFile();
                if (file != null) {
                    try {