@Deprecated
    @SuppressWarnings("FloatingPointEquality")
    protected ZlibWrapper determineWrapper(String acceptEncoding) {
        float starQ = -1.0f;
        float gzipQ = -1.0f;
        float deflateQ = -1.0f;
        for (String encoding : acceptEncoding.split(",")) {
            float q = 1.0f;
            int equalsPos = encoding.indexOf('=');
            if (equalsPos != -1) {
                try {
                    q = Float.parseFloat(encoding.substring(equalsPos + 1));
                } catch (NumberFormatException e) {
                    // Ignore encoding
                    q = 0.0f;
                }
            }
            if (encoding.contains("*")) {
                starQ = q;
            } else if (encoding.contains("gzip") && q > gzipQ) {
                gzipQ = q;
            } else if (encoding.contains("deflate") && q > deflateQ) {
                deflateQ = q;
            }
        }
        if (gzipQ > 0.0f || deflateQ > 0.0f) {
            if (gzipQ >= deflateQ) {
                return ZlibWrapper.GZIP;
            } else {
                return ZlibWrapper.ZLIB;
            }
        }
        if (starQ > 0.0f) {
            if (gzipQ == -1.0f) {
                return ZlibWrapper.GZIP;
            }
            if (deflateQ == -1.0f) {
                return ZlibWrapper.ZLIB;
            }
        }
        return null;
    }
@Test
    public void testGetTargetContentEncoding() throws Exception {
        HttpContentCompressor compressor = new HttpContentCompressor();

        String[] tests = {
            // Accept-Encoding -> Content-Encoding
            "", null,
            "*", "gzip",
            "*;q=0.0", null,
            "gzip", "gzip",
            "compress, gzip;q=0.5", "gzip",
            "gzip; q=0.5, identity", "gzip",
            "gzip ; q=0.1", "gzip",
            "gzip; q=0, deflate", "deflate",
            " deflate ; q=0 , *;q=0.5", "gzip",
        };
        for (int i = 0; i < tests.length; i += 2) {
            String acceptEncoding = tests[i];
            String contentEncoding = tests[i + 1];
            ZlibWrapper targetWrapper = compressor.determineWrapper(acceptEncoding);
            String targetEncoding = null;
            if (targetWrapper != null) {
                switch (targetWrapper) {
                case GZIP:
                    targetEncoding = "gzip";
                    break;
                case ZLIB:
                    targetEncoding = "deflate";
                    break;
                default:
                    fail();
                }
            }
            assertEquals(contentEncoding, targetEncoding);
        }
    }