JAVA :Stream to String

/**
     * StreamからStringに転換する
     *
     * @param inputHtml
     * @return
     * @throws IOException
     */
    private String streamToString(InputStream inputHtml) throws IOException {
        StringBuffer out = new StringBuffer();
        byte[] b = new byte[4096];
        for (int n; (n = inputHtml.read(b)) != -1;) {
            out.append(new String(b, 0, n));
        }
        return out.toString();
    }