Java tutorial
/******************************************************************************* * This file is part of the EEG-database project * * ========================================== * * Copyright (C) 2013 by University of West Bohemia (http://www.zcu.cz/en/) * * *********************************************************************************************************************** * * 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. * * *********************************************************************************************************************** * * AddFileMetadataParamDefController.java, 2013/10/02 00:01 Jakub Rinkes ******************************************************************************/ package cz.zcu.kiv.eegdatabase.logic.controller.list.filemetadata; import cz.zcu.kiv.eegdatabase.data.dao.AuthorizationManager; import cz.zcu.kiv.eegdatabase.data.dao.FileMetadataParamDefDao; import cz.zcu.kiv.eegdatabase.data.dao.ResearchGroupDao; import cz.zcu.kiv.eegdatabase.data.pojo.FileMetadataParamDef; import cz.zcu.kiv.eegdatabase.data.pojo.FileMetadataParamDefGroupRel; import cz.zcu.kiv.eegdatabase.data.pojo.FileMetadataParamDefGroupRelId; import cz.zcu.kiv.eegdatabase.data.pojo.ResearchGroup; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.context.HierarchicalMessageSource; import org.springframework.ui.ModelMap; import org.springframework.stereotype.Controller; import org.springframework.validation.BindingResult; import org.springframework.web.bind.annotation.*; import org.springframework.web.servlet.support.RequestContextUtils; import javax.servlet.http.HttpServletRequest; @Controller @SessionAttributes("addFileMetadataParamDef") public class AddFileMetadataParamDefController { private Log log = LogFactory.getLog(getClass()); @Autowired private AuthorizationManager auth; @Autowired private FileMetadataParamDefDao fileMetadataParamDefDao; @Autowired private ResearchGroupDao researchGroupDao; @Autowired private HierarchicalMessageSource messageSource; private final int DEFAULT_ID = -1; AddFileMetadataParamDefValidator addFileMetadataParamDefValidator; @Autowired public AddFileMetadataParamDefController(AddFileMetadataParamDefValidator addFileMetadataParamDefValidator) { this.addFileMetadataParamDefValidator = addFileMetadataParamDefValidator; } @RequestMapping(value = "lists/file-metadata-definitions/edit.html", method = RequestMethod.GET) protected String showEditForm(@RequestParam("id") String idString, @RequestParam("groupid") String idString2, ModelMap model, HttpServletRequest request) { AddFileMetadataParamDefCommand data = new AddFileMetadataParamDefCommand(); if (auth.userIsExperimenter() || auth.isAdmin()) { model.addAttribute("userIsExperimenter", true); if (idString2 != null) { int id = Integer.parseInt(idString2); data.setResearchGroupId(id); if (id != DEFAULT_ID) { String title = researchGroupDao.getResearchGroupTitle(id); data.setResearchGroupTitle(title); } else { String defaultFileMetadataParamDef = messageSource.getMessage( "label.defaultFileMetadataParamDef", null, RequestContextUtils.getLocale(request)); data.setResearchGroupTitle(defaultFileMetadataParamDef); } } if (idString != null) { // Editation of existing fileMetadataParamDef int id = Integer.parseInt(idString); log.debug("Loading fileMetadataParamDef to the command object for editing."); FileMetadataParamDef fileMetadataParamDef = fileMetadataParamDefDao.read(id); data.setId(id); data.setParamName(fileMetadataParamDef.getParamName()); data.setParamDataType(fileMetadataParamDef.getParamDataType()); } model.addAttribute("addFileMetadataParamDef", data); return "lists/fileMetadataParams/addItemForm"; } else { return "lists/userNotExperimenter"; } } @RequestMapping(value = "lists/file-metadata-definitions/add.html", method = RequestMethod.GET) protected String showAddForm(@RequestParam("groupid") String idString, ModelMap model, HttpServletRequest request) throws Exception { AddFileMetadataParamDefCommand data = new AddFileMetadataParamDefCommand(); if (auth.userIsExperimenter() || auth.isAdmin()) { if (idString != null) { int id = Integer.parseInt(idString); data.setResearchGroupId(id); if (id != DEFAULT_ID) { String title = researchGroupDao.getResearchGroupTitle(id); data.setResearchGroupTitle(title); } else { String defaultFileMetadataParamDef = messageSource.getMessage( "label.defaultFileMetadataParamDef", null, RequestContextUtils.getLocale(request)); data.setResearchGroupTitle(defaultFileMetadataParamDef); } } model.addAttribute("userIsExperimenter", auth.userIsExperimenter()); model.addAttribute("addFileMetadataParamDef", data); return "lists/fileMetadataParams/addItemForm"; } else { return "lists/userNotExperimenter"; } } @RequestMapping(method = RequestMethod.POST) protected String onSubmit(@ModelAttribute("addFileMetadataParamDef") AddFileMetadataParamDefCommand data, BindingResult result, ModelMap model) { log.debug("Processing form data."); if (auth.userIsExperimenter() || auth.isAdmin()) { addFileMetadataParamDefValidator.validate(data, result); if (result.hasErrors()) { return "lists/fileMetadataParams/addItemForm"; } int fileMetadataParamDefId = data.getId(); FileMetadataParamDef fileMetadataParamDef; if (fileMetadataParamDefId > 0) { // Editing log.debug("Editing existing fileMetadataParamDef object."); fileMetadataParamDef = fileMetadataParamDefDao.read(fileMetadataParamDefId); if (fileMetadataParamDefDao.isDefault(fileMetadataParamDefId)) { if (data.getResearchGroupId() != DEFAULT_ID) { // new fileMetadataParamDef FileMetadataParamDef newFileMetadataParamDef = new FileMetadataParamDef(); newFileMetadataParamDef.setDefaultNumber(0); newFileMetadataParamDef.setParamName(data.getParamName()); newFileMetadataParamDef.setParamDataType(data.getParamDataType()); int newId = fileMetadataParamDefDao.create(newFileMetadataParamDef); FileMetadataParamDefGroupRel rel = fileMetadataParamDefDao .getGroupRel(fileMetadataParamDefId, data.getResearchGroupId()); // delete old rel, create new one FileMetadataParamDefGroupRelId newRelId = new FileMetadataParamDefGroupRelId(); FileMetadataParamDefGroupRel newRel = new FileMetadataParamDefGroupRel(); newRelId.setFileMetadataParamDefId(newId); newRelId.setResearchGroupId(data.getResearchGroupId()); newRel.setId(newRelId); newRel.setFileMetadataParamDef(newFileMetadataParamDef); ResearchGroup r = researchGroupDao.read(data.getResearchGroupId()); newRel.setResearchGroup(r); fileMetadataParamDefDao.deleteGroupRel(rel); fileMetadataParamDefDao.createGroupRel(newRel); } else { if (!fileMetadataParamDefDao.hasGroupRel(fileMetadataParamDefId) && fileMetadataParamDefDao.canDelete(fileMetadataParamDefId)) { fileMetadataParamDef.setParamName(data.getParamName()); fileMetadataParamDef.setParamDataType(data.getParamDataType()); } else { return "lists/itemUsed"; } } } else { fileMetadataParamDef.setParamName(data.getParamName()); fileMetadataParamDef.setParamDataType(data.getParamDataType()); } } else { // Creating new fileMetadataParamDef = new FileMetadataParamDef(); fileMetadataParamDef.setParamName(data.getParamName()); fileMetadataParamDef.setParamDataType(data.getParamDataType()); int pkGroup = data.getResearchGroupId(); if (pkGroup == DEFAULT_ID) { log.debug("Creating new default fileMetadataParamDef object."); fileMetadataParamDefDao.createDefaultRecord(fileMetadataParamDef); } else { log.debug("Creating new group fileMetadataParamDef object."); int pkFileMetadataParamDef = fileMetadataParamDefDao.create(fileMetadataParamDef); FileMetadataParamDefGroupRelId fileMetadataParamDefGroupRelId = new FileMetadataParamDefGroupRelId( pkFileMetadataParamDef, pkGroup); ResearchGroup researchGroup = researchGroupDao.read(pkGroup); FileMetadataParamDefGroupRel fileMetadataParamDefGroupRel = new FileMetadataParamDefGroupRel( fileMetadataParamDefGroupRelId, researchGroup, fileMetadataParamDef); fileMetadataParamDefDao.createGroupRel(fileMetadataParamDefGroupRel); } } log.debug("Returning MAV"); String redirect = "redirect:list.html?groupid=" + data.getResearchGroupId(); return redirect; } else { return "lists/userNotExperimenter"; } } }