Examples with DefaultSlingContext org.apache.sling.scripting.thymeleaf.DefaultSlingContext used on opensource projects

Example 1 with DefaultSlingContext

use of org.apache.sling.scripting.thymeleaf.DefaultSlingContext in project sling by apache.

the class FormServlet method doPost.

@Override
protected void doPost(@Nonnull SlingHttpServletRequest request, @Nonnull SlingHttpServletResponse response) throws ServletException, IOException {
    final Map<String, Object> base = new LinkedHashMap<>();
    final ValueMapDecorator parameters = new ValueMapDecorator(base);
    final Enumeration<String> names = request.getParameterNames();
    while (names.hasMoreElements()) {
        final String name = names.nextElement();
        parameters.put(name, request.getRequestParameter(name));
    }
    logger.debug("parameters: {}", parameters);
    final String formType = request.getParameter("formType");
    logger.debug("form type is '{}'", formType);
    final Form form = FormFactory.build(formType, parameters);
    if (form == null) {
        fail(null, 400, request, response);
        return;
    }
    final String resourcePath = request.getRequestPathInfo().getResourcePath();
    final ValidationModel validationModel = validationService.getValidationModel(form.getResourceType(), resourcePath, false);
    if (validationModel == null) {
        logger.error("no validation model found");
        fail(form, 500, request, response);
        return;
    }
    final ValidationResult validationResult = validationService.validate(parameters, validationModel);
    form.setValidationResult(validationResult);
    if (!validationResult.isValid()) {
        logger.debug("validation result not valid");
        fail(form, 400, request, response);
        return;
    }
    // render form with message template
    // TODO
    final String template = "/apps/fling/messaging/form/comment.txt";
    final Map<String, Object> variables = Collections.singletonMap("form", form);
    final String message;
    try (final ResourceResolver resourceResolver = resourceResolverFactory.getServiceResourceResolver(null)) {
        final IContext context = new DefaultSlingContext(resourceResolver, Locale.ENGLISH, variables);
        logger.debug("rendering message template '{}' with variables: {}", template, variables);
        message = templateEngine.process(template, context);
    } catch (Exception e) {
        // TODO
        // TODO
        logger.error("sending message failed: {}", e.getMessage(), e);
        fail(form, 500, request, response);
        return;
    }
    logger.debug("message: '{}'", message);
    try {
        final CompletableFuture<Result> future = messageService.send(message, recipient);
        future.get(1, TimeUnit.SECONDS);
        logger.debug("comment [{}] form sent to {}", message, recipient);
    } catch (Exception e) {
        logger.error("sending message failed: {}", e.getMessage(), e);
        fail(form, 500, request, response);
        return;
    }
    succeed(form, request, response);
}