return null;
        }

        @Override
        public void setCharacterEncoding(String charset) {
        }

        @Override
        public void setContentLength(int len) {
        }

        @Override
        public void setContentLengthLong(long len) {
        }

        @Override
        public void setContentType(String type) {
        }

            return null;
        }

        @Override
        public void setCharacterEncoding(String charset) {
        }

        @Override
        public void setContentLength(int len) {
        }

        @Override
        public void setContentLengthLong(long len) {
        }

        @Override
        public void setContentType(String type) {

                return null;
            }

            @Override
            public void setCharacterEncoding(String charset) {
            }

            @Override
            public void setContentLength(int len) {
            }

            @Override
            public void setContentLengthLong(long len) {
            }

            @Override
            public void setContentType(String type) {

        }

        @Override
        public AccessResultData<String> getAccessResultData() {
            return null;
        }

        @Override
        public void setContentLength(Long contentLength) {
            // Do nothing in test
        }

        @Override
        public void setAccessResultData(AccessResultData<String> accessResultData) {
            // Do nothing in test

                responseData.setHttpStatusCode(Constants.NOT_FOUND_STATUS_CODE);
                responseData.setCharSet(charset);
                responseData.setContentLength(0);
            } else if (file.isFile()) {
                // check file size
                responseData.setContentLength(file.length());
                checkMaxContentLength(responseData);

                parseFileOwnerAttribute(responseData, file);

                    resp.addHeader("WWW-Authenticate", "Basic realm=\"" + realm + "\"");
                }
                resp.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
                resp.setContentLength(0); /* Marcel Feb-15-2005 */
                resp.flushBuffer();
                return null;
            }
            req.getSession().setAttribute("NtlmHttpAuth", ntlm);
        } else if (!skipAuthentication) {

        if (file == null) {
            responseData.setHttpStatusCode(Constants.NOT_FOUND_STATUS_CODE);
            responseData.setCharSet(charset);
            responseData.setContentLength(0);
            ftpClientQueue.offer(client);
            return;
        }

        if (file.isSymbolicLink()) {
            final String link = file.getLink();
            String redirect = null;

                    resp.addHeader("WWW-Authenticate", "Basic realm=\"" + this.realm + "\"");
                }
                resp.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
                resp.setContentLength(0); /* Marcel Feb-15-2005 */
                resp.flushBuffer();
                return null;
            }
            req.getSession().setAttribute("NtlmHttpAuth", ntlm);
        } else if (!skipAuthentication) {

                }
                throw new ChildUrlsException(requestDataSet, this.getClass().getName() + "#getResponseData");
            }
            // check file size
            responseData.setContentLength(blob.getSize());
            checkMaxContentLength(responseData);

            responseData.setHttpStatusCode(Constants.OK_STATUS_CODE);
            responseData.setCharSet(getCharset());

                    target.setUrl(getFieldValue(fields.get("url"), String.class));
                    target.setExecutionTime(getFieldValue(fields.get("executionTime"), Integer.class));
                    target.setContentLength(getFieldValue(fields.get("contentLength"), Long.class));
                    target.setRuleId(getFieldValue(fields.get("ruleId"), String.class));