org.thymeleaf.context.IWebContext Java Examples

private Challenge getChallenge(ITemplateContext context) {
    ApplicationContext applicationContext = SpringContextUtils.getApplicationContext(context);
    IWebContext webContext = (IWebContext) context;
    HttpServletRequest httpServletRequest = webContext.getRequest();
    ChallengeRepository challengeRepository = applicationContext.getBean(ChallengeRepository.class);
    Challenge challenge = challengeRepository.loadChallenge(httpServletRequest);
    if (challenge == null) {
        challenge = challengeRepository.generateChallenge();
        challengeRepository.saveChallenge(challenge, httpServletRequest);
    }
    return challenge;
}
 

@PortletRequestScoped
@Produces
public ViewEngine getTimeleafViewEngine(TemplateEngineSupplier templateEngineSupplier, IWebContext webContext) {
	return new ThymeleafViewEngine(templateEngineSupplier.get(), webContext,
			viewEngineContext -> {
				MimeResponse mimeResponse = viewEngineContext.getResponse(MimeResponse.class);

				try {
					return mimeResponse.getWriter();
				}
				catch (IOException e) {
					throw new ViewEngineException(e);
				}
			});
}
 

@PortletRequestScoped
@Produces
public IWebContext getWebContext(BeanManager beanManager, VariableValidator variableValidator,
	MvcContext mvcContext, Models models, PortletRequest portletRequest, MimeResponse mimeResponse,
	ServletContext servletContext) {

	return new CDIPortletWebContext(beanManager, variableValidator, models,
			(String) portletRequest.getAttribute(PortletRequest.LIFECYCLE_PHASE),
			new HttpServletRequestAdapter(portletRequest), new HttpServletResponseAdapter(mimeResponse),
			servletContext, mvcContext.getLocale());
}
 

@Bean
@Scope(proxyMode = ScopedProxyMode.INTERFACES, value = "portletRequest")
public ViewEngine getViewEngine(TemplateEngineSupplier templateEngineSupplier, IWebContext webContext) {
	return new ThymeleafViewEngine(templateEngineSupplier.get(), webContext,
			viewEngineContext -> {
				MimeResponse mimeResponse = viewEngineContext.getResponse(MimeResponse.class);

				try {
					return mimeResponse.getWriter();
				}
				catch (IOException e) {
					throw new ViewEngineException(e);
				}
			});
}
 

@Scope(proxyMode = ScopedProxyMode.INTERFACES, value = "portletRequest")
@Bean
public IWebContext getWebContext(MvcContext mvcContext, Models models, PortletRequest portletRequest,
	MimeResponse mimeResponse, ServletContext servletContext) {

	return new SpringPortletWebContext(applicationContext, models,
			(String) portletRequest.getAttribute(PortletRequest.LIFECYCLE_PHASE),
			new HttpServletRequestAdapter(portletRequest), new HttpServletResponseAdapter(mimeResponse),
			servletContext, mvcContext.getLocale(), mvcContext.getConfig());
}
 

public static Page<?> findPage(final ITemplateContext context) {
    // 1. Get Page object from local variables (defined with sd:page-object)
    // 2. Search Page using ${page} expression
    // 3. Search Page object as request attribute

    final Object pageFromLocalVariable = context.getVariable(Keys.PAGE_VARIABLE_KEY);
    if (isPageInstance(pageFromLocalVariable)) {
        return (Page<?>) pageFromLocalVariable;
    }

    // Check if not null and Page instance available with ${page} expression
    final IEngineConfiguration configuration = context.getConfiguration();
    final IStandardExpressionParser parser = StandardExpressions.getExpressionParser(configuration);
    final IStandardExpression expression = parser.parseExpression(context, Keys.PAGE_EXPRESSION);
    final Object page = expression.execute(context);
    if (isPageInstance(page)) {
        return (Page<?>) page;
    }

    // Search for Page object, and only one instance, as request attribute
    if (context instanceof IWebContext) {
        HttpServletRequest request = ((IWebContext) context).getRequest();
        Enumeration<String> attrNames = request.getAttributeNames();
        Page<?> pageOnRequest = null;
        while (attrNames.hasMoreElements()) {
            String attrName = (String) attrNames.nextElement();
            Object attr = request.getAttribute(attrName);
            if (isPageInstance(attr)) {
                if (pageOnRequest != null) {
                    throw new InvalidObjectParameterException("More than one Page object found on request!");
                }

                pageOnRequest = (Page<?>) attr;
            }
        }

        if (pageOnRequest != null) {
            return pageOnRequest;
        }
    }

    throw new InvalidObjectParameterException("Invalid or not present Page object found on request!");
}
 

private static String buildBaseUrl(final ITemplateContext context, Collection<String> excludeParams) {
    // URL defined with pagination-url tag
    final String url = (String) context.getVariable(Keys.PAGINATION_URL_KEY);

    if (url == null && context instanceof IWebContext) {
        // Creates url from actual request URI and parameters
        final StringBuilder builder = new StringBuilder();
        final IWebContext webContext = (IWebContext) context;
        final HttpServletRequest request = webContext.getRequest();

        // URL base path from request
        builder.append(request.getRequestURI());

        Map<String, String[]> params = request.getParameterMap();
        Set<Entry<String, String[]>> entries = params.entrySet();
        boolean firstParam = true;
        for (Entry<String, String[]> param : entries) {
            // Append params not excluded to basePath
            String name = param.getKey();
            if (!excludeParams.contains(name)) {
                if (firstParam) {
                    builder.append(Q_MARK);
                    firstParam = false;
                } else {
                    builder.append(AND);
                }

                // Iterate over all values to create multiple values per
                // parameter
                String[] values = param.getValue();
                Collection<String> paramValues = Arrays.asList(values);
                Iterator<String> it = paramValues.iterator();
                while (it.hasNext()) {
                    String value = it.next();
                    builder.append(name).append(EQ).append(value);
                    if (it.hasNext()) {
                        builder.append(AND);
                    }
                }
            }
        }

        // Escape to HTML content
        return HtmlEscape.escapeHtml4Xml(builder.toString());
    }

    return url == null ? EMPTY : url;
}
 

private Device resolveDevice() {
	return deviceResolver.resolveDevice(((IWebContext) context).getRequest());
}
 

public ThymeleafViewEngine(TemplateEngine templateEngine, IWebContext webContext, WriterSupplier writerSupplier) {
	this.templateEngine = templateEngine;
	this.webContext = webContext;
	this.writerSupplier = writerSupplier;
}