Examples with MultiMap org.eclipse.jetty.util.MultiMap used on opensource projects

Example 6 with MultiMap

use of org.eclipse.jetty.util.MultiMap in project SpringStepByStep by JavaProgrammerLB.

the class WebConfig method setupRoutes.

private void setupRoutes() {
    /*
		 * Shows a users timeline or if no user is logged in,
		 * it will redirect to the public timeline.
		 * This timeline shows the user's messages as well
		 * as all the  message of followed users. 
		 */
    get("/", (req, res) -> {
        User user = getAuthenticatedUser(req);
        Map<String, Object> map = new HashMap<>();
        map.put("pageTitle", "Timeline");
        map.put("user", user);
        List<Message> messages = service.getUserFullTimelineMessages(user);
        map.put("messages", messages);
        return new ModelAndView(map, "timeline.ftl");
    }, new FreeMarkerEngine());
    before("/", (req, res) -> {
        User user = getAuthenticatedUser(req);
        if (user == null) {
            res.redirect("/public");
            halt();
        }
    });
    /*
		 * Displays the latest messages of all users.
		 */
    get("/public", (req, res) -> {
        User user = getAuthenticatedUser(req);
        Map<String, Object> map = new HashMap<>();
        map.put("pageTitle", "Public Timeline");
        map.put("user", user);
        List<Message> messages = service.getPublicTimelineMessages();
        map.put("messages", messages);
        return new ModelAndView(map, "timeline.ftl");
    }, new FreeMarkerEngine());
    /*
		 * Displays a user's tweets. 
		 */
    get("/t/:username", (req, res) -> {
        String username = req.params(":username");
        User profileUser = service.getUserbyUsername(username);
        User authUser = getAuthenticatedUser(req);
        boolean followed = false;
        if (authUser != null) {
            followed = service.isUserFollower(authUser, profileUser);
        }
        List<Message> messages = service.getUserTimelineMessages(profileUser);
        Map<String, Object> map = new HashMap<>();
        map.put("pageTitle", username + "'s Timeline");
        map.put("user", authUser);
        map.put("profileUser", profileUser);
        map.put("followed", followed);
        map.put("messages", messages);
        return new ModelAndView(map, "timeline.ftl");
    }, new FreeMarkerEngine());
    /*
		 * Checks if the user exists 
		 */
    before("/t/:username", (req, res) -> {
        String username = req.params(":username");
        User profileUser = service.getUserbyUsername(username);
        if (profileUser == null) {
            halt(404, "User not Found");
        }
    });
    /*
		 * Adds the current user as follower of the given user 
		 */
    get("/t/:username/follow", (req, res) -> {
        String username = req.params(":username");
        User profileUser = service.getUserbyUsername(username);
        User authUser = getAuthenticatedUser(req);
        service.followUser(authUser, profileUser);
        res.redirect("/t/" + username);
        return null;
    });
    /*
		 * Checks if the user is authenticated and the user to follow exists
		 */
    before("/t/:username/follow", (req, res) -> {
        String username = req.params(":username");
        User authUser = getAuthenticatedUser(req);
        User profileUser = service.getUserbyUsername(username);
        if (authUser == null) {
            res.redirect("/login");
            halt();
        } else if (profileUser == null) {
            halt(404, "User not Found");
        }
    });
    /*
		 * Removes the current user as follower of the given user.
		 */
    get("/t/:username/unfollow", (req, res) -> {
        String username = req.params(":username");
        User profileUser = service.getUserbyUsername(username);
        User authUser = getAuthenticatedUser(req);
        service.unfollowUser(authUser, profileUser);
        res.redirect("/t/" + username);
        return null;
    });
    /*
		 * Checks if the user is authenticated and the user to unfollow exists
		 */
    before("/t/:username/unfollow", (req, res) -> {
        String username = req.params(":username");
        User authUser = getAuthenticatedUser(req);
        User profileUser = service.getUserbyUsername(username);
        if (authUser == null) {
            res.redirect("/login");
            halt();
        } else if (profileUser == null) {
            halt(404, "User not Found");
        }
    });
    /*
		 * Presents the login form or redirect the user to
		 * her timeline if it's already logged in
		 */
    get("/login", (req, res) -> {
        Map<String, Object> map = new HashMap<>();
        if (req.queryParams("r") != null) {
            map.put("message", "You were successfully registered and can login now");
        }
        return new ModelAndView(map, "login.ftl");
    }, new FreeMarkerEngine());
    /*
		 * Logs the user in.
		 */
    post("/login", (req, res) -> {
        Map<String, Object> map = new HashMap<>();
        User user = new User();
        try {
            MultiMap<String> params = new MultiMap<String>();
            UrlEncoded.decodeTo(req.body(), params, "UTF-8", -1);
            BeanUtils.populate(user, params);
        } catch (Exception e) {
            halt(501);
            return null;
        }
        LoginResult result = service.checkUser(user);
        if (result.getUser() != null) {
            addAuthenticatedUser(req, result.getUser());
            res.redirect("/");
            halt();
        } else {
            map.put("error", result.getError());
        }
        map.put("username", user.getUsername());
        return new ModelAndView(map, "login.ftl");
    }, new FreeMarkerEngine());
    /*
		 * Checks if the user is already authenticated
		 */
    before("/login", (req, res) -> {
        User authUser = getAuthenticatedUser(req);
        if (authUser != null) {
            res.redirect("/");
            halt();
        }
    });
    /*
		 * Presents the register form or redirect the user to
		 * her timeline if it's already logged in
		 */
    get("/register", (req, res) -> {
        Map<String, Object> map = new HashMap<>();
        return new ModelAndView(map, "register.ftl");
    }, new FreeMarkerEngine());
    /*
		 * Registers the user.
		 */
    post("/register", (req, res) -> {
        Map<String, Object> map = new HashMap<>();
        User user = new User();
        try {
            MultiMap<String> params = new MultiMap<String>();
            UrlEncoded.decodeTo(req.body(), params, "UTF-8", -1);
            BeanUtils.populate(user, params);
        } catch (Exception e) {
            halt(501);
            return null;
        }
        String error = user.validate();
        if (StringUtils.isEmpty(error)) {
            User existingUser = service.getUserbyUsername(user.getUsername());
            if (existingUser == null) {
                service.registerUser(user);
                res.redirect("/login?r=1");
                halt();
            } else {
                error = "The username is already taken";
            }
        }
        map.put("error", error);
        map.put("username", user.getUsername());
        map.put("email", user.getEmail());
        return new ModelAndView(map, "register.ftl");
    }, new FreeMarkerEngine());
    /*
		 * Checks if the user is already authenticated
		 */
    before("/register", (req, res) -> {
        User authUser = getAuthenticatedUser(req);
        if (authUser != null) {
            res.redirect("/");
            halt();
        }
    });
    /*
		 * Registers a new message for the user.
		 */
    post("/message", (req, res) -> {
        User user = getAuthenticatedUser(req);
        MultiMap<String> params = new MultiMap<String>();
        UrlEncoded.decodeTo(req.body(), params, "UTF-8", -1);
        Message m = new Message();
        m.setUserId(user.getId());
        m.setPubDate(new Date());
        BeanUtils.populate(m, params);
        service.addMessage(m);
        res.redirect("/");
        return null;
    });
    /*
		 * Checks if the user is authenticated
		 */
    before("/message", (req, res) -> {
        User authUser = getAuthenticatedUser(req);
        if (authUser == null) {
            res.redirect("/login");
            halt();
        }
    });
    /*
		 * Logs the user out and redirects to the public timeline
		 */
    get("/logout", (req, res) -> {
        removeAuthenticatedUser(req);
        res.redirect("/public");
        return null;
    });
}