final String[] mimeTypes = { "application/pdf", "application/msword",
                "application/vnd.openxmlformats-officedocument.wordprocessingml.document", "text/html", "text/plain", "application/json",
                "application/xml", "audio/mp3", "video/mp4", "application/postscript" };

        for (final String mimeType : mimeTypes) {

	// Filter compression includes.
	if len(cfg.Extensions) == 0 && len(cfg.MimeTypes) == 0 {
		// Nothing to filter, include everything.
		return false
	}

	if len(cfg.Extensions) > 0 && hasStringSuffixInSlice(objStr, cfg.Extensions) {
		// Matched an extension to compress, do not exclude.
		return false
	}

	if len(cfg.MimeTypes) > 0 && hasPattern(cfg.MimeTypes, contentType) {
		// Matched an MIME type to compress, do not exclude.