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.Collection; import java.util.Collections; import java.util.HashMap; import java.util.LinkedList; import java.util.List; import java.util.Map; import java.util.Set; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.validation.Valid; import com.google.gson.GsonBuilder; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.ui.ModelMap; import org.springframework.web.bind.annotation.RequestBody; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod; import org.springframework.web.bind.annotation.RequestParam; import org.springframework.web.bind.annotation.ResponseBody; import org.springframework.web.servlet.ModelAndView; import org.slc.sli.dashboard.entity.Config; import org.slc.sli.dashboard.entity.ConfigMap; import org.slc.sli.dashboard.entity.GenericEntity; import org.slc.sli.dashboard.manager.ConfigManager; import org.slc.sli.dashboard.manager.UserEdOrgManager; import org.slc.sli.dashboard.util.Constants; import org.slc.sli.dashboard.util.SecurityUtil; /** * * DashboardConfigController * This controller handles the dashboard config pages which are only accessible * by IT Admins of a District. * */ @Controller public class ConfigController extends GenericLayoutController { private static final String DASHBOARD_CONFIG_FTL = "dashboard_config.ftl"; private static final String CONFIG_URL = "/service/config"; private static final String CONFIG_SAVE_URL = "/service/config/ajaxSave"; private static final String CONFIG_ALL = "/s/c/cfg/all"; private UserEdOrgManager userEdOrgManager; private ConfigManager configManager; @Autowired public void setConfigManager(ConfigManager configManager) { this.configManager = configManager; } @Autowired public void setUserEdOrgManager(UserEdOrgManager userEdOrgManager) { this.userEdOrgManager = userEdOrgManager; } /** * Generic layout handler * * @deprecated retiring method * @param id * @param request * @return * @throws IllegalAccessException */ @Deprecated @RequestMapping(value = CONFIG_URL, method = RequestMethod.GET) public ModelAndView getConfig(HttpServletRequest request) throws IllegalAccessException { ModelMap model = new ModelMap(); String token = SecurityUtil.getToken(); GenericEntity staffEntity = userEdOrgManager.getStaffInfo(token); Boolean isAdmin = SecurityUtil.isAdmin(); if (isAdmin != null && isAdmin.booleanValue()) { GenericEntity edOrg = (GenericEntity) staffEntity.get(Constants.ATTR_ED_ORG); boolean configUser = false; if (edOrg != null) { List<String> organizationCategories = (List<String>) edOrg.get(Constants.ATTR_ORG_CATEGORIES); if (organizationCategories != null && !organizationCategories.isEmpty()) { for (String educationAgency : organizationCategories) { if (educationAgency != null && educationAgency.equals(Constants.LOCAL_EDUCATION_AGENCY)) { configUser = true; break; } else if (educationAgency != null && educationAgency.equals(Constants.STATE_EDUCATION_AGENCY)) { configUser = true; break; } } } } if (configUser) { ConfigMap configMap = configManager.getCustomConfig(token, userEdOrgManager.getUserEdOrg(token)); if (configMap != null) { model.addAttribute("configJSON", new GsonBuilder().create().toJson(configMap)); } else { model.addAttribute("configJSON", ""); } } else { model.addAttribute("configJSON", "nonLocalEducationAgency"); } addCommonData(model, request); model.addAttribute(Constants.PAGE_TO_INCLUDE, DASHBOARD_CONFIG_FTL); return new ModelAndView(Constants.OVERALL_CONTAINER_PAGE, model); } throw new IllegalAccessException("Access Denied"); } /** * * @deprecated retiring method * @param configMap * @return */ @Deprecated @RequestMapping(value = CONFIG_SAVE_URL, method = RequestMethod.POST) @ResponseBody public String saveConfig(@RequestBody @Valid ConfigMap configMap) { try { putCustomConfig(configMap); } catch (RuntimeException re) { logger.error("Error saving config", re); return "Permission Denied"; } return "Success"; } public void putCustomConfig(ConfigMap configMap) { String token = SecurityUtil.getToken(); configManager.putCustomConfig(token, userEdOrgManager.getUserEdOrg(token), configMap); } /** * Controller for client side data pulls without id. * The 'params' parameter contains a map of url query parameters. The parameters are matched * to the attributes in the JSON config files. * * e.g. /s/c/cfg?type=LAYOUT&id=school */ @RequestMapping(value = "/s/c/cfg", method = RequestMethod.GET) @ResponseBody public Collection<Config> handleConfigSearch(@RequestParam Map<String, String> params, final HttpServletRequest request, HttpServletResponse response) { String token = SecurityUtil.getToken(); // check user is an admin Boolean isAdmin = SecurityUtil.isAdmin(); if (isAdmin != null && isAdmin.booleanValue()) { return configManager.getConfigsByAttribute(token, userEdOrgManager.getUserEdOrg(token), params); } else { response.setStatus(HttpServletResponse.SC_UNAUTHORIZED); return null; } } /** * Save a layout config * * @param config * @return */ @RequestMapping(value = "/s/c/cfg", method = RequestMethod.POST) @ResponseBody public String saveLayoutConfig(@RequestBody @Valid Config config) { try { String token = SecurityUtil.getToken(); configManager.putCustomConfig(token, userEdOrgManager.getUserEdOrg(token), config); } catch (RuntimeException re) { logger.error("Error saving config", re); return "Permission Denied"; } return "Success"; } /** * Controller to return configs (driver and all edOrg levels), without waterfall logic. * The 'params' parameter contains a map of url query parameters. The parameters are matched * to the attributes in the JSON config files. * * @param configType * @param request * @param response * @return DriverConfig and all EdOrg hierarchy JSON. */ @RequestMapping(value = CONFIG_ALL, method = RequestMethod.GET) @ResponseBody public List<ConfigWrapper> handleConfigPanels(@RequestParam Map<String, String> configType, final HttpServletRequest request, HttpServletResponse response) { String token = SecurityUtil.getToken(); Boolean isAdmin = SecurityUtil.isAdmin(); if (isAdmin != null && isAdmin.booleanValue()) { Map<String, Collection<Config>> mapConfigs = configManager.getAllConfigByType(token, userEdOrgManager.getUserEdOrg(token), configType); // re-organize config objects. group by Education Agency Name Map<String, List<ConfigWrapper>> mapConfigWrappers = new HashMap<String, List<ConfigWrapper>>(); if (mapConfigs != null) { Set<String> edOrgNames = mapConfigs.keySet(); for (String edOrgName : edOrgNames) { // get Collection of Config by edOrgName Collection<Config> configs = mapConfigs.get(edOrgName); for (Config config : configs) { ConfigWrapper configWrapper = new ConfigWrapper(config); configWrapper.setEducationAgencyName(edOrgName); List<ConfigWrapper> configWrappers = mapConfigWrappers.get(configWrapper.getId()); if (configWrappers == null) { configWrappers = new LinkedList<ConfigWrapper>(); mapConfigWrappers.put(configWrapper.getId(), configWrappers); } configWrappers.add(configWrapper); } } } // make a single array of ConfigWrapper List<ConfigWrapper> listConfigWrapper = new LinkedList<ConfigWrapper>(); for (String idName : mapConfigWrappers.keySet()) { listConfigWrapper.addAll(mapConfigWrappers.get(idName)); } // make alphabetical order (1st. Config.id 2nd. EdOrgName) Collections.sort(listConfigWrapper); return listConfigWrapper; } response.setStatus(HttpServletResponse.SC_UNAUTHORIZED); return null; } /** * Config Wrapper class for client. * * @author tosako * */ protected class ConfigWrapper extends Config implements Comparable<ConfigWrapper> { private String educationAgencyName; public ConfigWrapper(Config config) { super(config.getId(), config.getParentId(), config.getName(), config.getType(), config.getCondition(), config.getData(), config.getItems(), config.getRoot(), config.getParams()); } public String getEducationAgencyName() { return this.educationAgencyName; } public void setEducationAgencyName(String configName) { this.educationAgencyName = configName; } // make alphabetical order (1st. Config.id 2nd. EdOrgName) @Override public int compareTo(ConfigWrapper o) { int compare = this.id.compareTo(o.id); if (compare == 0) { compare = this.educationAgencyName.compareTo(o.educationAgencyName); } return compare; } } }