if (httpVerbindung != null) {
            InputStream in  = null;
            try {
                if (httpVerbindung.getResponseCode() == HttpURLConnection.HTTP_OK) {
                    getCookieData(httpVerbindung);
                    in = httpVerbindung.getInputStream();
                    int length = httpVerbindung.getContentLength();
                    if (length > 0) {
                        respData = new byte[length];
                        int total = 0;
                        while (total < length) {
                            total += in.read(respData, total, length - total);
                        }
                    }
                    else  {
                        ByteArrayOutputStream bytestream = new ByteArrayOutputStream();
                        int ch;
                        while ((ch = in.read()) != -1) {
                            bytestream.write(ch);
                        }
                        respData = bytestream.toByteArray();
                        bytestream.close();
                    }
                    in.close();
                }
            } catch (IOException e) {
                Protokoll.logError("downloadImage", String.format(BIS_Common.bisActivity.getString(R.string.exIOError, e.toString())));
            }
            finally {
                if (in != null){
                    try {
                        in.close();
                    } catch (IOException e) {
                        Protokoll.logError("downloadImage", String.format(BIS_Common.bisActivity.getString(R.string.exInCloseError, e.toString())));
                    }
                }
                if (httpVerbindung != null) {
                    httpVerbindung.disconnect();
                }
            }
        }