Examples with XhtmlMessageEmitter nu.validator.messages.XhtmlMessageEmitter used on opensource projects

Example 1 with XhtmlMessageEmitter

use of nu.validator.messages.XhtmlMessageEmitter in project validator by validator.

the class VerifierServletTransaction method service.

void service() throws ServletException, IOException {
    this.methodIsGet = "GET".equals(request.getMethod()) || "HEAD".equals(request.getMethod());
    this.out = response.getOutputStream();
    try {
        request.setCharacterEncoding("utf-8");
    } catch (NoSuchMethodError e) {
        log4j.debug("Vintage Servlet API doesn't support setCharacterEncoding().", e);
    }
    if (!methodIsGet) {
        postContentType = request.getContentType();
        if (postContentType == null) {
            response.sendError(HttpServletResponse.SC_BAD_REQUEST, "Content-Type missing");
            return;
        } else if (postContentType.trim().toLowerCase().startsWith("application/x-www-form-urlencoded")) {
            response.sendError(HttpServletResponse.SC_UNSUPPORTED_MEDIA_TYPE, "application/x-www-form-urlencoded not supported. Please use multipart/form-data.");
            return;
        }
    }
    String outFormat = request.getParameter("out");
    if (outFormat == null) {
        outputFormat = OutputFormat.HTML;
    } else {
        if ("html".equals(outFormat)) {
            outputFormat = OutputFormat.HTML;
        } else if ("xhtml".equals(outFormat)) {
            outputFormat = OutputFormat.XHTML;
        } else if ("text".equals(outFormat)) {
            outputFormat = OutputFormat.TEXT;
        } else if ("gnu".equals(outFormat)) {
            outputFormat = OutputFormat.GNU;
        } else if ("xml".equals(outFormat)) {
            outputFormat = OutputFormat.XML;
        } else if ("json".equals(outFormat)) {
            outputFormat = OutputFormat.JSON;
        } else {
            response.sendError(HttpServletResponse.SC_BAD_REQUEST, "Unsupported output format");
            return;
        }
    }
    if (!methodIsGet) {
        document = request.getHeader("Content-Location");
    }
    if (document == null) {
        document = request.getParameter("doc");
    }
    if (document == null) {
        document = request.getParameter("file");
    }
    document = ("".equals(document)) ? null : document;
    if (document != null) {
        for (String domain : DENY_LIST) {
            if (!"".equals(domain) && document.contains(domain)) {
                response.sendError(429, "Too many requests");
                return;
            }
        }
    }
    String callback = null;
    if (outputFormat == OutputFormat.JSON) {
        callback = request.getParameter("callback");
        if (callback != null) {
            Matcher m = JS_IDENTIFIER.matcher(callback);
            if (m.matches()) {
                if (Arrays.binarySearch(JS_RESERVED_WORDS, callback) >= 0) {
                    response.sendError(HttpServletResponse.SC_BAD_REQUEST, "Callback is a reserved word.");
                    return;
                }
            } else {
                response.sendError(HttpServletResponse.SC_BAD_REQUEST, "Callback is not a valid ECMA 262 IdentifierName.");
                return;
            }
        }
    }
    if (willValidate()) {
        response.setDateHeader("Expires", 0);
        response.setHeader("Cache-Control", "no-cache");
    } else if (outputFormat == OutputFormat.HTML || outputFormat == OutputFormat.XHTML) {
        response.setDateHeader("Last-Modified", lastModified);
    } else {
        response.sendError(HttpServletResponse.SC_BAD_REQUEST, "No input document");
        return;
    }
    setup();
    String filterString = systemFilterString;
    String filterPatternParam = request.getParameter("filterpattern");
    if (filterPatternParam != null && !"".equals(filterPatternParam)) {
        if ("".equals(filterString)) {
            filterString = scrub(filterPatternParam);
        } else {
            filterString += "|" + scrub(filterPatternParam);
        }
    }
    String filterUrl = request.getParameter("filterurl");
    if (filterUrl != null && !"".equals(filterUrl)) {
        try {
            // 
            InputSource filterFile = // 
            (new PrudentHttpEntityResolver(-1, true, null)).resolveEntity(null, filterUrl);
            StringBuilder sb = new StringBuilder();
            // 
            BufferedReader reader = new BufferedReader(new InputStreamReader(filterFile.getByteStream()));
            String line;
            String pipe = "";
            while ((line = reader.readLine()) != null) {
                if (line.startsWith("#")) {
                    continue;
                }
                sb.append(pipe);
                sb.append(line);
                pipe = "|";
            }
            if (sb.length() != 0) {
                if (!"".equals(filterString)) {
                    filterString = scrub(sb.toString());
                } else {
                    filterString += "|" + scrub(sb.toString());
                }
            }
        } catch (Exception e) {
            response.sendError(500, e.getMessage());
        }
    }
    Pattern filterPattern = null;
    if (!"".equals(filterString)) {
        filterPattern = Pattern.compile(filterString);
    }
    if (request.getParameter("useragent") != null) {
        userAgent = scrub(request.getParameter("useragent"));
    } else {
        userAgent = USER_AGENT;
    }
    if (request.getParameter("acceptlanguage") != null) {
        request.setAttribute("http://validator.nu/properties/accept-language", scrub(request.getParameter("acceptlanguage")));
    }
    Object inputType = request.getAttribute("nu.validator.servlet.MultipartFormDataFilter.type");
    showSource = (request.getParameter("showsource") != null);
    showSource = (showSource || "textarea".equals(inputType));
    showOutline = (request.getParameter("showoutline") != null);
    if (request.getParameter("checkerrorpages") != null) {
        request.setAttribute("http://validator.nu/properties/ignore-response-status", true);
    }
    if (request.getParameter("showimagereport") != null) {
        imageCollector = new ImageCollector(sourceCode);
    }
    String charset = request.getParameter("charset");
    if (charset != null) {
        charset = scrub(charset.trim());
        if (!"".equals(charset)) {
            charsetOverride = charset;
        }
    }
    String nsfilter = request.getParameter("nsfilter");
    if (nsfilter != null) {
        for (String ns : SPACE.split(nsfilter)) {
            if (ns.length() > 0) {
                filteredNamespaces.add(ns);
            }
        }
    }
    boolean errorsOnly = ("error".equals(request.getParameter("level")));
    boolean asciiQuotes = (request.getParameter("asciiquotes") != null);
    int lineOffset = 0;
    String lineOffsetStr = request.getParameter("lineoffset");
    if (lineOffsetStr != null) {
        try {
            lineOffset = Integer.parseInt(lineOffsetStr);
        } catch (NumberFormatException e) {
        }
    }
    try {
        if (outputFormat == OutputFormat.HTML || outputFormat == OutputFormat.XHTML) {
            if (outputFormat == OutputFormat.HTML) {
                response.setContentType("text/html; charset=utf-8");
                contentHandler = new HtmlSerializer(out);
            } else {
                response.setContentType("application/xhtml+xml");
                contentHandler = new XmlSerializer(out);
            }
            emitter = new XhtmlSaxEmitter(contentHandler);
            errorHandler = new MessageEmitterAdapter(filterPattern, sourceCode, showSource, imageCollector, lineOffset, false, new XhtmlMessageEmitter(contentHandler));
            PageEmitter.emit(contentHandler, this);
        } else {
            if (outputFormat == OutputFormat.TEXT) {
                response.setContentType("text/plain; charset=utf-8");
                errorHandler = new MessageEmitterAdapter(filterPattern, sourceCode, showSource, null, lineOffset, false, new TextMessageEmitter(out, asciiQuotes));
            } else if (outputFormat == OutputFormat.GNU) {
                response.setContentType("text/plain; charset=utf-8");
                errorHandler = new MessageEmitterAdapter(filterPattern, sourceCode, showSource, null, lineOffset, false, new GnuMessageEmitter(out, asciiQuotes));
            } else if (outputFormat == OutputFormat.XML) {
                response.setContentType("application/xml");
                errorHandler = new MessageEmitterAdapter(filterPattern, sourceCode, showSource, null, lineOffset, false, new XmlMessageEmitter(new XmlSerializer(out)));
            } else if (outputFormat == OutputFormat.JSON) {
                if (callback == null) {
                    response.setContentType("application/json; charset=utf-8");
                } else {
                    response.setContentType("application/javascript; charset=utf-8");
                }
                errorHandler = new MessageEmitterAdapter(filterPattern, sourceCode, showSource, null, lineOffset, false, new JsonMessageEmitter(new nu.validator.json.Serializer(out), callback));
            } else {
                throw new RuntimeException("Unreachable.");
            }
            errorHandler.setErrorsOnly(errorsOnly);
            validate();
        }
    } catch (SAXException e) {
        log4j.debug("SAXException: " + e.getMessage());
    }
}