assertGetThumbnailUrl(data, expected);

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

        data = "<img src=\"http://example/foo.jpg\">";
        expected = "http://example/foo.jpg";
        assertGetThumbnailUrl(data, expected);

        data = "<img src=\"http://example/foo.jpg\">" //

            generator.saveImage(input, outputFile);
        }
        assertImageSize(outputFile, 100, 66);

        imagePath = "thumbnail/600x400.jpg";
        try (ImageInputStream input = ImageIO.createImageInputStream(classLoader.getResourceAsStream(imagePath))) {
            generator.saveImage(input, outputFile);
        }
        assertImageSize(outputFile, 100, 66);

        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";
    }

    /** The key of the configuration. e.g. css */
    String SUPPORTED_UPLOADED_CSS_EXTENTIONS = "supported.uploaded.css.extentions";

    /** The key of the configuration. e.g. jpg,jpeg,gif,png,swf */
    String SUPPORTED_UPLOADED_MEDIA_EXTENTIONS = "supported.uploaded.media.extentions";

    /** The key of the configuration. e.g. license.properties */

    public static final String LABELS_facet_filetype_tiff = "{labels.facet_filetype_tiff}";

    /** The key of the message: JPEG Image */
    public static final String LABELS_facet_filetype_jpg = "{labels.facet_filetype_jpg}";

    /** The key of the message: Archive */
    public static final String LABELS_facet_filetype_archive = "{labels.facet_filetype_archive}";

    /** The key of the message: Batch File */