final String themeName = getThemeName(artifact);
        if (logger.isDebugEnabled()) {
            logger.debug("Theme: {}", themeName);
        }
        try (ZipInputStream zis = new ZipInputStream(Files.newInputStream(jarPath))) {
            ZipEntry entry;
            while ((entry = zis.getNextEntry()) != null) {
                if (!entry.isDirectory()) {
                    final String[] names = StreamUtil.split(entry.getName(), "/")

            final Path path = Paths.get(logFilePath, filename);
            return asStream(filename).contentTypeOctetStream().stream(out -> {
                try (InputStream in = Files.newInputStream(path)) {
                    out.write(in);
                }
            });
        }
        return StreamResponse.asEmptyBody();
    }

            final Path path = Paths.get(logFilePath, filename);
            return asStream(filename).contentTypeOctetStream().stream(out -> {
                try (InputStream in = Files.newInputStream(path)) {
                    out.write(in);
                }
            });
        }
        throwValidationError(messages -> messages.addErrorsCouldNotFindLogFile(GLOBAL, filename), this::asIndexHtml);

            try (FileSystem fs = FileSystems.newFileSystem(jarFile.toPath(), ClassLoader.getSystemClassLoader())) {
                final Path xmlPath = fs.getPath("fess_ds++.xml");
                try (InputStream is = Files.newInputStream(xmlPath)) {
                    final DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
                    factory.setFeature(org.codelibs.fess.crawler.Constants.FEATURE_SECURE_PROCESSING, true);

                    throwValidationErrorApi(messages -> messages.addErrorsFailedToDownloadElevateFile(GLOBAL));
                }
                try (InputStream in = Files.newInputStream(tempFile)) {
                    out.write(in);
                }
            } finally {
                Files.delete(tempFile);
            }
        });
    }

                    throwValidationErrorApi(messages -> messages.addErrorsFailedToDownloadBadwordFile(GLOBAL));
                }
                try (InputStream in = Files.newInputStream(tempFile)) {
                    out.write(in);
                }
            } finally {
                Files.delete(tempFile);
            }
        });
    }

        if (Files.isDirectory(filePath)) {
            filePath = filePath.resolve("index.html");
        }
        if (Files.exists(filePath)) {
            try (InputStream in = Files.newInputStream(filePath); ServletOutputStream out = response.getOutputStream()) {
                response.setStatus(HttpServletResponse.SC_OK);
                writeHeaders(response);
                CopyUtil.copy(in, out);

                return asStream(id).contentTypeOctetStream().stream(out -> {
                    final Path fessJsonPath = getFessJsonPath();
                    try (final InputStream in = Files.newInputStream(fessJsonPath)) {
                        out.write(in);
                    }
                });
            } else if ("doc.json".equals(id)) {

                    throwValidationError(messages -> messages.addErrorsFailedToDownloadElevateFile(GLOBAL), this::asDownloadHtml);
                }
                try (InputStream in = Files.newInputStream(tempFile)) {
                    out.write(in);
                }
            } finally {
                Files.delete(tempFile);
            }
        });
    }

    }

    protected void parseProjectProperties(final Path propPath) {
        try (final InputStream in = Files.newInputStream(propPath)) {
            final Properties prop = new Properties();
            prop.load(in);
            version = prop.getProperty("fess.version", "0.0.0");
            final String[] values = version.split("\\.");