* audio/mpga=mpga<br>
     * audio/mp4=mp4a<br>
     * audio/ogg=oga<br>
     * audio/x-wav=wav<br>
     * image/webp=webp<br>
     * image/bmp=bmp<br>
     * image/x-icon=ico<br>
     * image/x-icon=ico<br>
     * image/png=png<br>
     * image/svg+xml=svg<br>
     * image/tiff=tiff<br>
     * image/jpeg=jpg<br>
     *  */
    String INDEX_FILETYPE = "index.filetype";

        final String path = imageFile.getAbsolutePath();
        if (path.endsWith(".png")) {
            return "image/png";
        }
        if (path.endsWith(".gif")) {
            return "image/gif";
        }
        if (path.endsWith(".jpg") || path.endsWith(".jpeg")) {
            return "image/jpeg";
        }
        return "application/octet-stream";
    }

        final String mimeType = responseData.getMimeType();
        if (mimeType == null) {
            return true;
        }

        return switch (mimeType) {
        case "image/png", "image/gif", "image/jpeg", "image/bmp" -> true;
        default -> false;
        };
    }

    protected Result saveImage(final ImageInputStream input, final File outputFile) throws IOException {

        BufferedImage img = ImageIO.read(file);
        logger.debug("width: {}, height: {}", img.getWidth(), img.getHeight());
        assertEquals("Image Width", width, img.getWidth());
        assertEquals("Image Height", height, img.getHeight());
    }

    public static final String ERRORS_design_file_name_is_not_found = "{errors.design_file_name_is_not_found}";

    /** The key of the message: Failed to upload an image file. */
    public static final String ERRORS_failed_to_write_design_image_file = "{errors.failed_to_write_design_image_file}";

    /** The key of the message: Failed to update a jsp file. */

        FessProp.propMap.clear();
        FessConfig fessConfig = new FessConfig.SimpleImpl() {
            @Override
            public String getCrawlerDocumentHtmlPrunedTags() {
                return "script,div#main,p.image,a[rel=nofollow],div[x-y=a-.:_0]";
            }
        };

        PrunedTag[] tags = fessConfig.getCrawlerDocumentHtmlPrunedTagsAsArray();
        assertTrue(matchesTag(tags[0], "<script></script>"));

                    }
                } else {
                    logger.warn("{} is not available.", generatorName);
                }
            } else if (logger.isDebugEnabled()) {
                logger.debug("No image file exists: {}", noImageFile.getAbsolutePath());
            }
        } catch (final Exception e) {
            logger.warn("Failed to create thumbnail for {}", entity, e);
        }
    }

    }

    public void test_getThumbnailUrl() throws Exception {
        String data = "<meta property=\"og:image\" content=\"http://example/foo.jpg\" />";
        String expected = "http://example/foo.jpg";
        assertGetThumbnailUrl(data, expected);

        data = "<meta property=\"og:image\" content=\"://example/foo.jpg\" />";
        expected = "http://example/foo.jpg";
        assertGetThumbnailUrl(data, expected);

    /** The key of the message: WEBP Image */
    public static final String LABELS_facet_filetype_wepb = "{labels.facet_filetype_wepb}";

    /** The key of the message: BMP Image */
    public static final String LABELS_facet_filetype_bmp = "{labels.facet_filetype_bmp}";

    /** The key of the message: ICO Image */

            final String currentFileName = fileName;
            saveInfo(messages -> messages.addSuccessUploadDesignFile(GLOBAL, currentFileName));
        } catch (final Exception e) {
            logger.error("Failed to write an image file: {}", fileName, e);
            throwValidationError(messages -> messages.addErrorsFailedToWriteDesignImageFile(GLOBAL), this::asListHtml);
        }
        return redirect(getClass());
    }