Example usage for org.springframework.web.context.request WebRequest checkNotModified

Introduction

In this page you can find the example usage for org.springframework.web.context.request WebRequest checkNotModified.

Prototype

boolean checkNotModified(String etag);

Source Link

Document

Check whether the requested resource has been modified given the supplied ETag (entity tag), as determined by the application.

Usage

From source file:org.jtalks.jcommune.web.controller.TopicController.java

/**
 * Displays to user a list of messages from the topic with pagination
 *
 * @param topicId the id of selected Topic
 * @param page    page/*from   www.  j  a va  2 s  .  c o  m*/
 * @return {@code ModelAndView}
 * @throws NotFoundException when topic or branch not found
 */
@RequestMapping(value = "/topics/{topicId}", method = RequestMethod.GET)
public ModelAndView showTopicPage(WebRequest request, @PathVariable(TOPIC_ID) Long topicId,
        @RequestParam(value = "page", defaultValue = "1", required = false) String page)
        throws NotFoundException {
    JCUser currentUser = userService.getCurrentUser();
    Topic topic = topicFetchService.get(topicId);

    topicFetchService.checkViewTopicPermission(topic.getBranch().getId());
    Page<Post> postsPage = postService.getPosts(topic, page);

    if (request.checkNotModified(topic.getLastModificationPostDate().getMillis())) {
        return null;
    }
    PostDto postDto = new PostDto();
    PostDraft draft = topic.getDraftForUser(currentUser);
    if (draft != null) {
        postDto = PostDto.getDtoFor(draft);
    }
    lastReadPostService.markTopicPageAsRead(topic, postsPage.getNumber());
    return new ModelAndView("topic/postList").addObject("viewList", locationService.getUsersViewing(topic))
            .addObject("usersOnline", sessionRegistry.getAllPrincipals()).addObject("postsPage", postsPage)
            .addObject("topic", topic).addObject(POST_DTO, postDto)
            .addObject("subscribed", topic.getSubscribers().contains(currentUser))
            .addObject(BREADCRUMB_LIST, breadcrumbBuilder.getForumBreadcrumb(topic));
}

---

• «
• 1
• 2
• »