sample.contact.web.IndexController.java Source code

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Here is the source code for sample.contact.web.IndexController.java

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/*
 * Copyright 2002-2016 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package sample.contact.web;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.ModelAndView;
import sample.contact.model.Menu;
import sample.contact.service.MenuService;
import sample.contact.service.UserGroupService;
import sample.contact.service.UserService;

import javax.servlet.http.HttpServletRequest;
import java.util.HashMap;
import java.util.List;
import java.util.Locale;
import java.util.Map;

/**
 * Controller which handles simple, single request use cases such as index pages and
 * contact deletion.
 *
 * @author Luke Taylor
 * @since 3.0
 */
@Controller
public class IndexController {
    @Autowired
    private UserService userService;
    @Autowired
    private UserGroupService userGroupService;
    @Autowired
    private MenuService menuService;

    @RequestMapping("/")
    public String root(Locale locale) {
        return "redirect:/index.html";
    }

    /**
     * Home page.
     */
    @RequestMapping("/index.html")
    public String index() {
        return "index.html";
    }

    /**
     * User zone index.
     */
    @RequestMapping("/user/index.html")
    public String userIndex() {
        return "user/index.html";
    }

    /**
     * Shared zone index.
     */
    @RequestMapping("/shared/index.html")
    public String sharedIndex() {
        return "shared/index.html";
    }

    /**
     * Login form.
     */
    @RequestMapping("/login.html")
    public String login() {
        return "login.html";
    }

    /**
     * Login form with error.
     */
    @RequestMapping("/login-error.html")
    public String loginError(Model model) {
        model.addAttribute("loginError", true);
        return "login.html";
    }

    /**
     * Simulation of an exception.
     */
    @RequestMapping("/simulateError.html")
    public void simulateError() {
        throw new RuntimeException("This is a simulated error message");
    }

    /**
     * Error page.
     */
    @RequestMapping("/error.html")
    public String error(HttpServletRequest request, Model model) {
        model.addAttribute("errorCode", "Error " + request.getAttribute("javax.servlet.error.status_code"));
        Throwable throwable = (Throwable) request.getAttribute("javax.servlet.error.exception");
        StringBuilder errorMessage = new StringBuilder();
        errorMessage.append("<ul>");
        while (throwable != null) {
            errorMessage.append("<li>").append(escapeTags(throwable.getMessage())).append("</li>");
            throwable = throwable.getCause();
        }
        errorMessage.append("</ul>");
        model.addAttribute("errorMessage", errorMessage.toString());
        return "error.html";
    }

    /**
     * Substitute 'less than' and 'greater than' symbols by its HTML entities.
     */
    private String escapeTags(String text) {
        if (text == null) {
            return null;
        }
        return text.replaceAll("<", "&lt;").replaceAll(">", "&gt;");
    }
}