nl.surfnet.coin.selfservice.interceptor.MenuInterceptor.java Source code

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Here is the source code for nl.surfnet.coin.selfservice.interceptor.MenuInterceptor.java

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/*
 * Copyright 2012 SURFnet bv, The Netherlands
 *
 * 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 nl.surfnet.coin.selfservice.interceptor;

import java.util.List;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.ui.ModelMap;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.handler.HandlerInterceptorAdapter;

import nl.surfnet.coin.selfservice.domain.CoinAuthority.Authority;
import nl.surfnet.coin.selfservice.domain.Menu;
import nl.surfnet.coin.selfservice.domain.MenuItem;
import nl.surfnet.coin.selfservice.util.SpringSecurity;

/**
 * Interceptor to add the menu
 */
public class MenuInterceptor extends HandlerInterceptorAdapter {

    @Override
    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler,
            ModelAndView modelAndView) throws Exception {

        if (modelAndView != null) {
            final ModelMap map = modelAndView.getModelMap();
            Menu menu = createMenu();
            setSelected(request, menu);
            map.addAttribute("menu", menu);
        }
    }

    private void setSelected(HttpServletRequest request, Menu menu) {
        String requestURI = request.getRequestURI();
        List<MenuItem> menuItems = menu.getMenuItems();
        for (MenuItem menuItem : menuItems) {
            if (requestURI.endsWith(menuItem.getUrl())) {
                menuItem.setSelected(true);
                break;
            }
        }
    }

    private Menu createMenu() {
        Menu menu = new Menu();
        List<Authority> authorities = SpringSecurity.getCurrentUser().getAuthorityEnums();
        for (Authority authority : authorities) {
            switch (authority) {
            //same menu items, but different rights
            case ROLE_DASHBOARD_ADMIN:
            case ROLE_DASHBOARD_VIEWER:
                menu.addMenuItem(new MenuItem("jsp.home.title", "/app-overview.shtml"));
                menu.addMenuItem(new MenuItem("jsp.notifications.title", "/notifications.shtml"));
                menu.addMenuItem(new MenuItem("jsp.requests-overview.title", "/requests/history.shtml"));
                menu.addMenuItem(new MenuItem("jsp.stats.title", "/stats/stats.shtml"));
                menu.addMenuItem(new MenuItem("jsp.idp.title", "/idp.shtml"));
                break;
            default:
                break;
            }
        }
        return menu;
    }

}