Examples with IContext org.thymeleaf.context.IContext used on opensource projects

Example 1 with IContext

use of org.thymeleaf.context.IContext in project sling by apache.

the class ThymeleafScriptEngine method eval.

@Override
public Object eval(final Reader reader, final ScriptContext scriptContext) throws ScriptException {
    final Bindings bindings = scriptContext.getBindings(ScriptContext.ENGINE_SCOPE);
    final SlingScriptHelper helper = (SlingScriptHelper) bindings.get(SlingBindings.SLING);
    if (helper == null) {
        throw new ScriptException("SlingScriptHelper missing from bindings");
    }
    final SlingHttpServletRequest request = helper.getRequest();
    final SlingHttpServletResponse response = helper.getResponse();
    // only used by Thymeleaf's ServletContextResourceResolver (TODO check if still true for 3.0)
    final ServletContext servletContext = null;
    final Locale locale = helper.getResponse().getLocale();
    final String scriptName = helper.getScript().getScriptResource().getPath();
    final Writer writer = scriptContext.getWriter();
    try {
        final ResourceResolver resourceResolver = thymeleafScriptEngineFactory.getRequestScopedResourceResolver();
        final IContext context = new SlingWebContext(request, response, servletContext, resourceResolver, locale, bindings);
        thymeleafScriptEngineFactory.getTemplateEngine().process(scriptName, context, writer);
    } catch (Exception e) {
        logger.error("Failure rendering Thymeleaf template '{}': {}", scriptName, e.getMessage());
        throw new ScriptException(e);
    }
    return null;
}

Example 2 with IContext

use of org.thymeleaf.context.IContext 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);
}

Example 3 with IContext

use of org.thymeleaf.context.IContext in project contribution by checkstyle.

the class TemplateProcessor method generateWithThymeleaf.

/**
 * Generates output file with release notes using Thymeleaf.
 * @param variables the map which represents template variables.
 * @param outputFile output file.
 * @param templateFilename template name.
 * @throws IOException if I/O error occurs.
 */
public static void generateWithThymeleaf(Map<String, Object> variables, String outputFile, String templateFilename) throws IOException {
    final TemplateEngine engine = new TemplateEngine();
    final AbstractConfigurableTemplateResolver resolver = new ClassLoaderTemplateResolver();
    resolver.setPrefix(TEMPLATE_FOLDER_PATH);
    engine.setTemplateResolver(resolver);
    final IContext ctx = new Context(Locale.US, variables);
    try (Writer fileWriter = new OutputStreamWriter(new FileOutputStream(outputFile), StandardCharsets.UTF_8)) {
        engine.process(templateFilename, ctx, fileWriter);
    }
}

Example 4 with IContext

use of org.thymeleaf.context.IContext in project thymeleaf by thymeleaf.

the class OGNLContextPropertyAccessor method getProperty.

public Object getProperty(final Map ognlContext, final Object target, final Object name) throws OgnlException {
    if (!(target instanceof IContext)) {
        throw new IllegalStateException("Wrong target type. This property accessor is only usable for " + IContext.class.getName() + " implementations, and " + "in this case the target object is " + (target == null ? "null" : ("of class " + target.getClass().getName())));
    }
    if (REQUEST_PARAMETERS_RESTRICTED_VARIABLE_NAME.equals(name) && ognlContext != null && ognlContext.containsKey(RESTRICT_REQUEST_PARAMETERS)) {
        throw new OgnlException("Access to variable \"" + name + "\" is forbidden in this context. Note some restrictions apply to " + "variable access. For example, direct access to request parameters is forbidden in preprocessing and " + "unescaped expressions, in TEXT template mode, in fragment insertion specifications and " + "in some specific attribute processors.");
    }
    final String propertyName = (name == null ? null : name.toString());
    // 'execInfo' translation from context variable to expression object - deprecated and to be removed in 3.1
    final Object execInfoResult = checkExecInfo(propertyName, ognlContext);
    if (execInfoResult != null) {
        return execInfoResult;
    }
    /*
         * NOTE we do not check here whether we are being asked for the 'locale', 'request', 'response', etc.
         * because there already are specific expression objects for the most important of them, which should
         * be used instead: #locale, #httpServletRequest, #httpSession, etc.
         * The variables maps should just be used as a map, without exposure of its more-internal methods...
         */
    final IContext context = (IContext) target;
    return context.getVariable(propertyName);
}

Example 5 with IContext

use of org.thymeleaf.context.IContext in project stdlib by petergeneric.

the class ThymeleafTemplater method template.

public ThymeleafCall template(final String name) {
    final IContext ctx = makeContext();
    // Expose the service configuration
    ctx.getVariables().put("config", configuration);
    ctx.getVariables().putAll(data);
    return new ThymeleafCall(engine, ctx, name, calls, failures);
}