BufferedReader requestBody = new BufferedReader(new InputStreamReader(httpExchange.getRequestBody()));
        ByteArrayOutputStream buffer = new ByteArrayOutputStream();
        try {
            String boundary = requestBody.readLine();
            if (boundary != null && boundary.startsWith("--")) {
                String secondLine = requestBody.readLine();
                if (secondLine != null) {
                    Matcher m = fileNamePattern.matcher(secondLine);
                    this.fileName = m.find() ? new Element(m.group(1)) : null;
                    requestBody.readLine();
                    requestBody.readLine();
                    String currentLine = requestBody.readLine();
                    String finalBoundary = boundary + "--";
                    while (true) {
                        if (currentLine != null && !currentLine.equals(finalBoundary)) {
                            buffer.write(currentLine.getBytes());
                            currentLine = requestBody.readLine();
                        }
                        else {
                            break;
                        }
                    }
                }
            }
            buffer.flush();
            requestBody.close();
        } catch (Exception e) {
            dB.echoError(e);
        }
        this.requestBody = buffer.toByteArray();