Examples with DOMNode org.structr.web.entity.dom.DOMNode used on opensource projects

Example 51 with DOMNode

use of org.structr.web.entity.dom.DOMNode in project structr by structr.

the class Importer method createChildNodes.

private DOMNode createChildNodes(final Node startNode, final DOMNode parent, final Page page, final boolean removeHashAttribute, final int depth) throws FrameworkException {
    DOMNode rootElement = null;
    Linkable res = null;
    String instructions = null;
    final List<Node> children = startNode.childNodes();
    for (Node node : children) {
        String tag = node.nodeName();
        // clean tag, remove non-word characters except : and #
        if (tag != null) {
            tag = tag.replaceAll("[^a-zA-Z0-9#:.-_]+", "");
        }
        final StringBuilder classString = new StringBuilder();
        final String type = CaseHelper.toUpperCamelCase(tag);
        String comment = null;
        String content = null;
        String id = null;
        boolean isNewTemplateOrComponent = false;
        if (ignoreElementNames.contains(type)) {
            continue;
        }
        if (node instanceof Element) {
            final Element el = ((Element) node);
            final Set<String> classes = el.classNames();
            for (String cls : classes) {
                classString.append(cls).append(" ");
            }
            id = el.id();
            // do not download files when called from DeployCommand!
            if (!isDeployment) {
                String downloadAddressAttr = srcElements.contains(tag) ? "src" : hrefElements.contains(tag) ? "href" : null;
                if (downloadAddressAttr != null && StringUtils.isNotBlank(node.attr(downloadAddressAttr))) {
                    String downloadAddress = node.attr(downloadAddressAttr);
                    res = downloadFile(downloadAddress, originalUrl);
                } else {
                    res = null;
                }
            }
            if (removeHashAttribute) {
                // Remove data-structr-hash attribute
                node.removeAttr("data-structr-hash");
            }
        }
        // Data and comment nodes: Trim the text and put it into the "content" field without changes
        if (type.equals("#comment")) {
            comment = ((Comment) node).getData();
            tag = "";
            // Don't add content node for whitespace
            if (StringUtils.isBlank(comment)) {
                continue;
            }
            // store for later use
            commentSource.append(comment).append("\n");
            // check if comment contains instructions
            if (commentHandler != null && commentHandler.containsInstructions(comment)) {
                if (instructions != null) {
                    // unhandled instructions from previous iteration => empty content element
                    createEmptyContentNode(page, parent, commentHandler, instructions);
                }
                instructions = comment;
                continue;
            }
        } else if (type.equals("#data")) {
            tag = "";
            content = ((DataNode) node).getWholeData();
            // Don't add content node for whitespace
            if (StringUtils.isBlank(content)) {
                continue;
            }
        } else // Text-only nodes: Trim the text and put it into the "content" field
        {
            if (type.equals("#text")) {
                tag = "";
                if (isDeployment) {
                    content = trimTrailingNewline(((TextNode) node).getWholeText());
                    if (content == null || content.length() == 0) {
                        continue;
                    }
                } else {
                    content = trimTrailingNewline(((TextNode) node).text());
                    if (StringUtils.isBlank(content)) {
                        continue;
                    }
                }
            }
        }
        org.structr.web.entity.dom.DOMNode newNode = null;
        // create node
        if (StringUtils.isBlank(tag)) {
            if (page != null) {
                // create comment or content node
                if (!StringUtils.isBlank(comment)) {
                    final PropertyKey<String> contentTypeKey = StructrApp.key(Content.class, "contentType");
                    newNode = (DOMNode) page.createComment(comment);
                    newNode.setProperty(contentTypeKey, "text/html");
                } else {
                    newNode = (Content) page.createTextNode(content);
                }
            }
        } else if ("structr:template".equals(tag)) {
            final String src = node.attr("src");
            if (src != null) {
                DOMNode template = null;
                if (DeployCommand.isUuid(src)) {
                    template = (DOMNode) StructrApp.getInstance().nodeQuery(NodeInterface.class).and(GraphObject.id, src).getFirst();
                    if (template == null) {
                        System.out.println("##################################### template with UUID " + src + " not found, this is a known bug");
                    }
                } else if (DeployCommand.endsWithUuid(src)) {
                    final String uuid = src.substring(src.length() - 32);
                    template = (DOMNode) StructrApp.getInstance().nodeQuery(NodeInterface.class).and(GraphObject.id, uuid).getFirst();
                    if (template == null) {
                        System.out.println("##################################### template with UUID " + uuid + " not found, this is a known bug");
                    }
                } else {
                    template = Importer.findSharedComponentByName(src);
                    if (template == null) {
                        template = Importer.findTemplateByName(src);
                        if (template == null) {
                            template = createNewTemplateNode(parent, node.childNodes());
                            isNewTemplateOrComponent = true;
                        }
                    }
                }
                if (template != null) {
                    newNode = template;
                    if (template.isSharedComponent()) {
                        newNode = (DOMNode) template.cloneNode(false);
                        newNode.setSharedComponent(template);
                        newNode.setOwnerDocument(page);
                    } else if (page != null) {
                        newNode.setOwnerDocument(page);
                    }
                } else {
                    logger.warn("Unable to find template or shared component {}, template ignored!", src);
                }
            } else {
                logger.warn("Invalid template definition, missing src attribute!");
            }
        } else if ("structr:component".equals(tag)) {
            final String src = node.attr("src");
            if (src != null) {
                DOMNode component = null;
                if (DeployCommand.isUuid(src)) {
                    component = app.nodeQuery(DOMNode.class).and(GraphObject.id, src).getFirst();
                } else {
                    component = Importer.findSharedComponentByName(src);
                }
                if (component == null) {
                    component = createSharedComponent(node);
                }
                isNewTemplateOrComponent = true;
                if (component != null) {
                    newNode = (DOMNode) component.cloneNode(false);
                    newNode.setSharedComponent(component);
                    newNode.setOwnerDocument(page);
                } else {
                    logger.warn("Unable to find shared component {} - ignored!", src);
                }
            } else {
                logger.warn("Invalid component definition, missing src attribute!");
            }
        } else {
            if (page != null) {
                newNode = (org.structr.web.entity.dom.DOMElement) page.createElement(tag, true);
            }
            if (newNode == null) {
                final PropertyKey<Boolean> hideOnDetailKey = StructrApp.key(DOMNode.class, "hideOnDetail");
                final PropertyKey<Boolean> hideOnIndexKey = StructrApp.key(DOMNode.class, "hideOnIndex");
                final PropertyKey<String> tagKey = StructrApp.key(DOMElement.class, "tag");
                // experimental: create DOM element with literal tag
                newNode = (DOMElement) app.create(DOMElement.class, new NodeAttribute(tagKey, node.nodeName()), new NodeAttribute(hideOnDetailKey, false), new NodeAttribute(hideOnIndexKey, false));
                if (newNode != null && page != null) {
                    newNode.doAdopt(page);
                }
            /* disabled / replaced by implementation above
					newNode = createNewHTMLTemplateNodeForUnsupportedTag(parent, node);
					isNewTemplateOrComponent = true;
					*/
            }
        }
        if (newNode != null) {
            // save root element for later use
            if (rootElement == null && !(newNode instanceof org.structr.web.entity.dom.Comment)) {
                rootElement = newNode;
            }
            // set linkable
            if (res != null && newNode instanceof LinkSource) {
                ((LinkSource) newNode).setLinkable(res);
            }
            // container for bulk setProperties()
            final PropertyMap newNodeProperties = new PropertyMap();
            final Class newNodeType = newNode.getClass();
            newNodeProperties.put(AbstractNode.visibleToPublicUsers, publicVisible);
            newNodeProperties.put(AbstractNode.visibleToAuthenticatedUsers, authVisible);
            // "id" attribute: Put it into the "_html_id" field
            if (StringUtils.isNotBlank(id)) {
                newNodeProperties.put(StructrApp.key(DOMElement.class, "_html_id"), id);
            }
            if (StringUtils.isNotBlank(classString.toString())) {
                newNodeProperties.put(StructrApp.key(DOMElement.class, "_html_class"), StringUtils.trim(classString.toString()));
            }
            for (Attribute nodeAttr : node.attributes()) {
                final String key = nodeAttr.getKey();
                if (!key.equals("text")) {
                    // Don't add text attribute as _html_text because the text is already contained in the 'content' attribute
                    final String value = nodeAttr.getValue();
                    if (key.startsWith("data-")) {
                        if (key.startsWith(DATA_META_PREFIX)) {
                            // convert data-structr-meta-* attributes to local camel case properties on the node,
                            int l = DATA_META_PREFIX.length();
                            String upperCaseKey = WordUtils.capitalize(key.substring(l), new char[] { '-' }).replaceAll("-", "");
                            String camelCaseKey = key.substring(l, l + 1).concat(upperCaseKey.substring(1));
                            if (value != null) {
                                // store value using actual input converter
                                final PropertyKey actualKey = StructrApp.getConfiguration().getPropertyKeyForJSONName(newNodeType, camelCaseKey, false);
                                if (actualKey != null) {
                                    final PropertyConverter converter = actualKey.inputConverter(securityContext);
                                    if (converter != null) {
                                        final Object convertedValue = converter.convert(value);
                                        newNodeProperties.put(actualKey, convertedValue);
                                    } else {
                                        newNodeProperties.put(actualKey, value);
                                    }
                                } else {
                                    logger.warn("Unknown meta property key {}, ignoring.", camelCaseKey);
                                }
                            }
                        } else if (key.startsWith(DATA_STRUCTR_PREFIX)) {
                            // don't convert data-structr-* attributes as they are internal
                            final PropertyKey propertyKey = StructrApp.getConfiguration().getPropertyKeyForJSONName(newNodeType, key);
                            if (propertyKey != null) {
                                final PropertyConverter inputConverter = propertyKey.inputConverter(securityContext);
                                if (value != null && inputConverter != null) {
                                    newNodeProperties.put(propertyKey, propertyKey.inputConverter(securityContext).convert(value));
                                } else {
                                    newNodeProperties.put(propertyKey, value);
                                }
                            }
                        } else {
                            // store data-* attributes in node
                            final PropertyKey propertyKey = new StringProperty(key);
                            if (value != null) {
                                newNodeProperties.put(propertyKey, value);
                            }
                        }
                    } else {
                        boolean notBlank = StringUtils.isNotBlank(value);
                        boolean isAnchor = notBlank && value.startsWith("#");
                        boolean isLocal = notBlank && !value.startsWith("http");
                        boolean isActive = notBlank && value.contains("${");
                        boolean isStructrLib = notBlank && value.startsWith("/structr/js/");
                        if ("link".equals(tag) && "href".equals(key) && isLocal && !isActive && !isDeployment) {
                            newNodeProperties.put(new StringProperty(PropertyView.Html.concat(key)), "${link.path}?${link.version}");
                        } else if (("href".equals(key) || "src".equals(key)) && isLocal && !isActive && !isAnchor && !isStructrLib && !isDeployment) {
                            newNodeProperties.put(new StringProperty(PropertyView.Html.concat(key)), "${link.path}");
                        } else {
                            newNodeProperties.put(new StringProperty(PropertyView.Html.concat(key)), value);
                        }
                    }
                }
            }
            // bulk set properties on new node
            newNode.setProperties(securityContext, newNodeProperties);
            if ("script".equals(tag)) {
                final PropertyKey<String> typeKey = StructrApp.key(Input.class, "_html_type");
                final String contentType = newNode.getProperty(typeKey);
                if (contentType == null) {
                    // Set default type of script tag to "text/javascript" to ensure inline JS gets imported properly
                    newNode.setProperty(typeKey, "text/javascript");
                } else if (contentType.equals("application/schema+json")) {
                    for (final Node scriptContentNode : node.childNodes()) {
                        final String source = scriptContentNode.toString();
                        // Import schema JSON
                        SchemaJsonImporter.importSchemaJson(source);
                    }
                } else if (contentType.equals("application/x-structr-script")) {
                    for (final Node scriptContentNode : node.childNodes()) {
                        final String source = scriptContentNode.toString();
                        try {
                            Actions.execute(securityContext, null, source, null);
                        } catch (UnlicensedException ex) {
                            ex.log(logger);
                        }
                    }
                    continue;
                } else if (contentType.equals("application/x-structr-javascript")) {
                    for (final Node scriptContentNode : node.childNodes()) {
                        final String source = scriptContentNode.toString();
                        try {
                            Actions.execute(securityContext, null, source, null);
                        } catch (UnlicensedException ex) {
                            ex.log(logger);
                        }
                    }
                    continue;
                }
            } else if ("style".equals(tag)) {
                final PropertyKey<String> typeKey = StructrApp.key(Input.class, "_html_type");
                final String contentType = newNode.getProperty(typeKey);
                if ("text/css".equals(contentType)) {
                    // parse content of style elements and add referenced files to list of resources to be downloaded
                    for (final Node styleContentNode : node.childNodes()) {
                        final String source = styleContentNode.toString();
                        try {
                            // Import referenced resources
                            processCss(source, originalUrl);
                        } catch (IOException ex) {
                            logger.warn("Couldn't process CSS source", ex);
                        }
                    }
                }
            }
            if (instructions != null) {
                if (instructions.contains("@structr:content") && !(newNode instanceof Content)) {
                    // unhandled instructions from previous iteration => empty content element
                    createEmptyContentNode(page, parent, commentHandler, instructions);
                } else {
                    // apply instructions to new DOM element
                    if (commentHandler != null) {
                        commentHandler.handleComment(page, newNode, instructions, true);
                    }
                }
                instructions = null;
            }
            // allow parent to be null to prevent direct child relationship
            if (parent != null) {
                // special handling for <head> elements
                if (newNode instanceof Head && parent instanceof Body) {
                    final org.w3c.dom.Node html = parent.getParentNode();
                    html.insertBefore(newNode, parent);
                } else {
                    parent.appendChild(newNode);
                }
            }
            // Step down and process child nodes except for newly created templates
            if (!isNewTemplateOrComponent) {
                createChildNodes(node, newNode, page, removeHashAttribute, depth + 1);
            }
        }
    }
    // reset instructions when leaving a level
    if (instructions != null) {
        createEmptyContentNode(page, parent, commentHandler, instructions);
        instructions = null;
    }
    return rootElement;
}

Example 52 with DOMNode

use of org.structr.web.entity.dom.DOMNode in project structr by structr.

the class DeployCommand method exportComponents.

private void exportComponents(final Path target, final Path configTarget) throws FrameworkException {
    logger.info("Exporting components (unchanged components will be skipped)");
    final Map<String, Object> configuration = new TreeMap<>();
    final App app = StructrApp.getInstance();
    try (final Tx tx = app.tx()) {
        final ShadowDocument shadowDocument = app.nodeQuery(ShadowDocument.class).getFirst();
        if (shadowDocument != null) {
            for (final DOMNode node : shadowDocument.getElements()) {
                final boolean hasParent = node.getParent() != null;
                final boolean inTrash = node.inTrash();
                boolean doExport = true;
                // skip nodes in trash and non-toplevel nodes
                if (inTrash || hasParent) {
                    continue;
                }
                final String content = node.getContent(RenderContext.EditMode.DEPLOYMENT);
                if (content != null) {
                    String name = node.getProperty(AbstractNode.name);
                    if (name == null) {
                        name = node.getUuid();
                    }
                    final Map<String, Object> properties = new TreeMap<>();
                    final Path targetFile = target.resolve(name + ".html");
                    if (Files.exists(targetFile)) {
                        try {
                            final String existingContent = new String(Files.readAllBytes(targetFile), "utf-8");
                            doExport = !existingContent.equals(content);
                        } catch (IOException ignore) {
                        }
                    }
                    configuration.put(name, properties);
                    exportConfiguration(node, properties);
                    if (doExport) {
                        try (final OutputStreamWriter writer = new OutputStreamWriter(new FileOutputStream(targetFile.toFile()))) {
                            writer.write(content);
                            writer.flush();
                            writer.close();
                        } catch (IOException ioex) {
                            logger.warn("", ioex);
                        }
                    }
                }
            }
        }
        tx.success();
    }
    try (final Writer fos = new OutputStreamWriter(new FileOutputStream(configTarget.toFile()))) {
        getGson().toJson(configuration, fos);
    } catch (IOException ioex) {
        logger.warn("", ioex);
    }
}

Example 53 with DOMNode

use of org.structr.web.entity.dom.DOMNode in project structr by structr.

the class ComponentImportVisitor method createComponent.

private void createComponent(final Path file, final String fileName) throws IOException, FrameworkException {
    final String name = StringUtils.substringBeforeLast(fileName, ".html");
    final DOMNode existingComponent = getExistingComponent(name);
    final boolean byId = DeployCommand.isUuid(name);
    try (final Tx tx = app.tx(true, false, false)) {
        final PropertyMap properties = getPropertiesForComponent(name);
        if (properties == null) {
            logger.info("Ignoring {} (not in components.json)", fileName);
        } else {
            if (existingComponent != null) {
                final PropertyKey<String> contentKey = StructrApp.key(Template.class, "content");
                properties.put(contentKey, existingComponent.getProperty(contentKey));
                existingComponent.setOwnerDocument(null);
                if (existingComponent instanceof Template) {
                    properties.put(contentKey, existingComponent.getProperty(contentKey));
                    existingComponent.setOwnerDocument(null);
                } else {
                    deleteComponent(app, name);
                }
            }
            final String src = new String(Files.readAllBytes(file), Charset.forName("UTF-8"));
            boolean visibleToPublic = get(properties, GraphObject.visibleToPublicUsers, false);
            boolean visibleToAuth = get(properties, GraphObject.visibleToAuthenticatedUsers, false);
            final Importer importer = new Importer(securityContext, src, null, name, visibleToPublic, visibleToAuth);
            // enable literal import of href attributes
            importer.setIsDeployment(true);
            final boolean parseOk = importer.parse(false);
            if (parseOk) {
                logger.info("Importing component {} from {}..", new Object[] { name, fileName });
                // set comment handler that can parse and apply special Structr comments in HTML source files
                importer.setCommentHandler(new DeploymentCommentHandler());
                // parse page
                final ShadowDocument shadowDocument = CreateComponentCommand.getOrCreateHiddenDocument();
                final DOMNode rootElement = importer.createComponentChildNodes(shadowDocument);
                if (rootElement != null) {
                    if (byId) {
                        // set UUID
                        rootElement.unlockSystemPropertiesOnce();
                        rootElement.setProperty(GraphObject.id, name);
                    } else {
                        // set name
                        rootElement.setProperty(AbstractNode.name, name);
                    }
                    // store properties from components.json if present
                    rootElement.setProperties(securityContext, properties);
                }
            }
        }
        tx.success();
    }
}

Example 54 with DOMNode

use of org.structr.web.entity.dom.DOMNode in project structr by structr.

the class ComponentImportVisitor method getExistingComponent.

// ----- private methods -----
private DOMNode getExistingComponent(final String name) {
    final App app = StructrApp.getInstance();
    DOMNode result = null;
    try (final Tx tx = app.tx()) {
        if (DeployCommand.isUuid(name)) {
            result = (DOMNode) StructrApp.getInstance().nodeQuery(DOMNode.class).and(GraphObject.id, name).getFirst();
        } else {
            result = Importer.findSharedComponentByName(name);
        }
        tx.success();
    } catch (FrameworkException fex) {
        logger.warn("Unable to determine if component {} already exists, ignoring.", name);
    }
    return result;
}

Example 55 with DOMNode

use of org.structr.web.entity.dom.DOMNode in project structr by structr.

the class HtmlServlet method doHead.

@Override
protected void doHead(final HttpServletRequest request, final HttpServletResponse response) {
    final Authenticator auth = getConfig().getAuthenticator();
    SecurityContext securityContext;
    List<Page> pages = null;
    boolean requestUriContainsUuids = false;
    final App app;
    try {
        assertInitialized();
        String path = request.getPathInfo();
        // isolate request authentication in a transaction
        try (final Tx tx = StructrApp.getInstance().tx()) {
            securityContext = auth.initializeAndExamineRequest(request, response);
            tx.success();
        }
        app = StructrApp.getInstance(securityContext);
        try (final Tx tx = app.tx()) {
            // Ensure access mode is frontend
            securityContext.setAccessMode(AccessMode.Frontend);
            request.setCharacterEncoding("UTF-8");
            // Important: Set character encoding before calling response.getWriter() !!, see Servlet Spec 5.4
            response.setCharacterEncoding("UTF-8");
            response.setContentLength(0);
            boolean dontCache = false;
            logger.debug("Path info {}", path);
            // don't continue on redirects
            if (response.getStatus() == 302) {
                tx.success();
                return;
            }
            final Principal user = securityContext.getUser(false);
            if (user != null) {
                // Don't cache if a user is logged in
                dontCache = true;
            }
            final RenderContext renderContext = RenderContext.getInstance(securityContext, request, response);
            renderContext.setResourceProvider(config.getResourceProvider());
            final EditMode edit = renderContext.getEditMode(user);
            DOMNode rootElement = null;
            AbstractNode dataNode = null;
            String[] uriParts = PathHelper.getParts(path);
            if ((uriParts == null) || (uriParts.length == 0)) {
                // find a visible page
                rootElement = findIndexPage(securityContext, pages, edit);
                logger.debug("No path supplied, trying to find index page");
            } else {
                if (rootElement == null) {
                    rootElement = findPage(securityContext, pages, path, edit);
                } else {
                    dontCache = true;
                }
            }
            if (rootElement == null) {
                // No page found
                // Look for a file
                File file = findFile(securityContext, request, path);
                if (file != null) {
                    // streamFile(securityContext, file, request, response, edit);
                    tx.success();
                    return;
                }
                if (uriParts != null) {
                    // store remaining path parts in request
                    Matcher matcher = threadLocalUUIDMatcher.get();
                    for (int i = 0; i < uriParts.length; i++) {
                        request.setAttribute(uriParts[i], i);
                        matcher.reset(uriParts[i]);
                        // set to "true" if part matches UUID pattern
                        requestUriContainsUuids |= matcher.matches();
                    }
                }
                if (!requestUriContainsUuids) {
                    // Try to find a data node by name
                    dataNode = findFirstNodeByName(securityContext, request, path);
                } else {
                    dataNode = findNodeByUuid(securityContext, PathHelper.getName(path));
                }
                if (dataNode != null && !(dataNode instanceof Linkable)) {
                    // Last path part matches a data node
                    // Remove last path part and try again searching for a page
                    // clear possible entry points
                    request.removeAttribute(POSSIBLE_ENTRY_POINTS_KEY);
                    rootElement = findPage(securityContext, pages, StringUtils.substringBeforeLast(path, PathHelper.PATH_SEP), edit);
                    renderContext.setDetailsDataObject(dataNode);
                    // Start rendering on data node
                    if (rootElement == null && dataNode instanceof DOMNode) {
                        rootElement = ((DOMNode) dataNode);
                    }
                }
            }
            // look for pages with HTTP Basic Authentication (must be done as superuser)
            if (rootElement == null) {
                final HttpBasicAuthResult authResult = checkHttpBasicAuth(request, response, path);
                switch(authResult.authState()) {
                    // Element with Basic Auth found and authentication succeeded
                    case Authenticated:
                        final Linkable result = authResult.getRootElement();
                        if (result instanceof Page) {
                            rootElement = (DOMNode) result;
                            renderContext.pushSecurityContext(authResult.getSecurityContext());
                        } else if (result instanceof File) {
                            // streamFile(authResult.getSecurityContext(), (File)result, request, response, EditMode.NONE);
                            tx.success();
                            return;
                        }
                        break;
                    // Page with Basic Auth found but not yet authenticated
                    case MustAuthenticate:
                        tx.success();
                        return;
                    // no Basic Auth for given path, go on
                    case NoBasicAuth:
                        break;
                }
            }
            // Still nothing found, do error handling
            if (rootElement == null) {
                // Check if security context has set an 401 status
                if (response.getStatus() == HttpServletResponse.SC_UNAUTHORIZED) {
                    try {
                        UiAuthenticator.writeUnauthorized(response);
                    } catch (IllegalStateException ise) {
                    }
                } else {
                    rootElement = notFound(response, securityContext);
                }
            }
            if (rootElement == null) {
                // no content
                response.setContentLength(0);
                response.getOutputStream().close();
                tx.success();
                return;
            }
            // check dont cache flag on page (if root element is a page)
            // but don't modify true to false
            dontCache |= rootElement.dontCache();
            if (EditMode.WIDGET.equals(edit) || dontCache) {
                setNoCacheHeaders(response);
            }
            if (!securityContext.isVisible(rootElement)) {
                rootElement = notFound(response, securityContext);
                if (rootElement == null) {
                    tx.success();
                    return;
                }
            }
            if (securityContext.isVisible(rootElement)) {
                if (!EditMode.WIDGET.equals(edit) && !dontCache && notModifiedSince(request, response, rootElement, dontCache)) {
                    response.getOutputStream().close();
                } else {
                    // prepare response
                    response.setCharacterEncoding("UTF-8");
                    String contentType = rootElement.getProperty(StructrApp.key(Page.class, "contentType"));
                    if (contentType == null) {
                        // Default
                        contentType = "text/html;charset=UTF-8";
                    }
                    if (contentType.equals("text/html")) {
                        contentType = contentType.concat(";charset=UTF-8");
                    }
                    response.setContentType(contentType);
                    setCustomResponseHeaders(response);
                    response.getOutputStream().close();
                }
            } else {
                notFound(response, securityContext);
                response.getOutputStream().close();
            }
            tx.success();
        } catch (Throwable fex) {
            logger.error("Exception while processing request", fex);
        }
    } catch (FrameworkException t) {
        logger.error("Exception while processing request", t);
        UiAuthenticator.writeInternalServerError(response);
    }
}