Java tutorial
/* * Copyright 2012 Shared Learning Collaborative, LLC * * 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 org.slc.sli.dashboard.web.controller; import java.util.Random; import javax.servlet.http.HttpServletRequest; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.beans.factory.annotation.Qualifier; import org.springframework.stereotype.Controller; import org.springframework.ui.ModelMap; import org.springframework.web.servlet.ModelAndView; import org.slc.sli.dashboard.entity.ModelAndViewConfig; import org.slc.sli.dashboard.manager.PortalWSManager; import org.slc.sli.dashboard.manager.component.CustomizationAssemblyFactory; import org.slc.sli.dashboard.util.Constants; import org.slc.sli.dashboard.util.JsonConverter; import org.slc.sli.dashboard.util.SecurityUtil; /** * Controller for all types of requests. * * @author dwu */ @Controller public abstract class GenericLayoutController { protected Logger logger = LoggerFactory.getLogger(getClass()); private static final String LAYOUT_DIR = "layout/"; private static final String FTL_EXTENSION = ".ftl"; private CustomizationAssemblyFactory customizationAssemblyFactory; private static final String GOOGLE_ANALYTICS_TRACKER_CONSTANT = "googleAnalyticsTrackerId"; private static final String MINIFY_JS_CONSTANT = "minifyJs"; @Autowired @Qualifier("googleAnalyticsTrackerId") private String googleAnalyticsTrackerId; @Autowired @Qualifier(MINIFY_JS_CONSTANT) private Boolean minifyJs; protected PortalWSManager portalWSManager; protected ModelMap getPopulatedModel(String layoutId, Object entityKey, HttpServletRequest request) { return getPopulatedModel(layoutId, entityKey, request, false); } /** * Populate layout model according to layout defined config for a user/context domain * * @param layoutId * - unique id of the layout * @param entityId * - entity id to pass to the child panels * @return */ protected ModelMap getPopulatedModel(String layoutId, Object entityKey, HttpServletRequest request, boolean lazyOverride) { // set up model map ModelMap model = new ModelMap(); ModelAndViewConfig modelAndConfig = customizationAssemblyFactory.getModelAndViewConfig(layoutId, entityKey, lazyOverride); model.addAttribute(Constants.MM_COMPONENT_ID, layoutId); model.addAttribute(Constants.MM_ENTITY_ID, entityKey); model.addAttribute(Constants.MM_KEY_VIEW_CONFIGS, modelAndConfig.getConfig()); model.addAttribute(Constants.MM_KEY_LAYOUT, modelAndConfig.getLayoutItems()); model.addAttribute(Constants.MM_KEY_DATA, modelAndConfig.getData()); model.addAttribute(Constants.MM_VIEW_DATA_CONFIG_JSON, JsonConverter.toJson(modelAndConfig)); model.addAttribute(Constants.MM_KEY_LOGGER, logger); addCommonData(model, request); populateModelLegacyItems(model); return model; } protected void addHeaderFooter(ModelMap model) { boolean isAdmin = isAdmin(); String header = portalWSManager.getHeader(isAdmin); if (header != null) { header = header.replace("[$USER_NAME$]", SecurityUtil.getUsername()); model.addAttribute(Constants.ATTR_HEADER_STRING, header); model.addAttribute(Constants.ATTR_FOOTER_STRING, portalWSManager.getFooter(isAdmin)); } } protected void addCommonData(ModelMap model, HttpServletRequest request) { addHeaderFooter(model); model.addAttribute(GOOGLE_ANALYTICS_TRACKER_CONSTANT, googleAnalyticsTrackerId); model.addAttribute(Constants.CONTEXT_ROOT_PATH, request.getContextPath()); model.addAttribute(Constants.CONTEXT_PREVIOUS_PATH, "javascript:history.go(-1)"); model.addAttribute(MINIFY_JS_CONSTANT, minifyJs); } public void populateModelLegacyItems(ModelMap model) { model.addAttribute("random", new Random()); } protected String getLayoutView(String layoutName) { return LAYOUT_DIR + layoutName + FTL_EXTENSION; } protected ModelAndView getModelView(String layoutName, ModelMap model) { // Includes the page we want to display in the overall_container page model.addAttribute(Constants.PAGE_TO_INCLUDE, getLayoutView(layoutName)); return new ModelAndView(Constants.OVERALL_CONTAINER_PAGE, model); } @Autowired public void setCustomizedDataFactory(CustomizationAssemblyFactory customizedDataFactory) { this.customizationAssemblyFactory = customizedDataFactory; } @Autowired public void setPortalWSManager(PortalWSManager portalWSManager) { this.portalWSManager = portalWSManager; } public String getToken() { return SecurityUtil.getToken(); } public boolean isAdmin() { try { return SecurityUtil.isAdmin(); } catch (Exception ex) { return false; } } }