LoginController.java

package org.opennaas.gui.nfvrouting.controllers;

import org.apache.log4j.Logger;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.ui.ModelMap;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;

/**
 * Handles and retrieves the login or denied page depending on the URI template
 */
@Controller
@RequestMapping("/auth")
public class LoginController {

    protected static Logger logger = Logger.getLogger(LoginController.class);

    /**
     * Handles and retrieves the login JSP page
     *
     * @param error
     * @param model
     * @return the name of the JSP page
     */
    @RequestMapping(value = "/login", method = RequestMethod.GET)
    public String getLoginPage(@RequestParam(value = "error", required = false) boolean error, Model model) {
        logger.debug("Received request to show login page");
        if (error == true) {
            model.addAttribute("error", "You have entered an invalid username or password!");
        }
        return "login";
    }

    /**
     * Handles and retrieves the denied JSP page. <br>
     * This is shown whenever a regular user tries to access an admin only page.
     *
     * @return the name of the JSP page
     */
    @RequestMapping(value = "/denied", method = RequestMethod.GET)
    public String getDeniedPage() {
        logger.debug("Received request to show denied page");
        return "denied";
    }

    /**
     * Handles and retrieves the login JSP page
     *
     * @param error
     * @param model
     * @return the name of the JSP page
     */
    @RequestMapping(value = "/success", method = RequestMethod.GET)
    public String getSuccessPage(@RequestParam(value = "error", required = false) boolean error, ModelMap model) {
        logger.debug("Received request to show home page");
        return "home";
    }

}