Java tutorial
/* * eGov SmartCity eGovernance suite aims to improve the internal efficiency,transparency, * accountability and the service delivery of the government organizations. * * Copyright (C) 2017 eGovernments Foundation * * The updated version of eGov suite of products as by eGovernments Foundation * is available at http://www.egovernments.org * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see http://www.gnu.org/licenses/ or * http://www.gnu.org/licenses/gpl.html . * * In addition to the terms of the GPL license to be adhered to in using this * program, the following additional terms are to be complied with: * * 1) All versions of this program, verbatim or modified must carry this * Legal Notice. * Further, all user interfaces, including but not limited to citizen facing interfaces, * Urban Local Bodies interfaces, dashboards, mobile applications, of the program and any * derived works should carry eGovernments Foundation logo on the top right corner. * * For the logo, please refer http://egovernments.org/html/logo/egov_logo.png. * For any further queries on attribution, including queries on brand guidelines, * please contact contact@egovernments.org * * 2) Any misrepresentation of the origin of the material is prohibited. It * is required that all modified versions of this material be marked in * reasonable ways as different from the original version. * * 3) This license does not grant any rights to any user of the program * with regards to rights under trademark law for use of the trade names * or trademarks of eGovernments Foundation. * * In case of any queries, you can reach eGovernments Foundation at contact@egovernments.org. * */ package org.egov.council.web.controller; import org.apache.commons.lang3.RandomStringUtils; import org.egov.council.entity.CouncilCaste; import org.egov.council.service.CouncilCasteService; import org.egov.council.web.adaptor.CouncilCasteJsonAdaptor; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.context.MessageSource; import org.springframework.http.MediaType; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; import org.springframework.validation.BindingResult; import org.springframework.validation.ValidationUtils; import org.springframework.web.bind.annotation.ModelAttribute; import org.springframework.web.bind.annotation.PathVariable; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod; import org.springframework.web.bind.annotation.ResponseBody; import org.springframework.web.servlet.mvc.support.RedirectAttributes; import javax.validation.Valid; import java.util.List; import static org.egov.infra.utils.JsonUtils.toJSON; @Controller @RequestMapping("/councilcaste") public class CouncilCasteController { private static final String COUNCIL_CASTE = "councilCaste"; private static final String COUNCILCASTE_NEW = "councilcaste-new"; private static final String COUNCILCASTE_RESULT = "councilcaste-result"; private static final String COUNCILCASTE_EDIT = "councilcaste-edit"; private static final String COUNCILCASTE_VIEW = "councilcaste-view"; private static final String COUNCILCASTE_SEARCH = "councilcaste-search"; @Autowired private CouncilCasteService councilCasteService; @Autowired private MessageSource messageSource; @RequestMapping(value = "/new", method = RequestMethod.GET) public String newForm(final Model model) { CouncilCaste councilCaste = new CouncilCaste(); councilCaste.setCode(RandomStringUtils.random(4, Boolean.TRUE, Boolean.TRUE).toUpperCase()); model.addAttribute(COUNCIL_CASTE, councilCaste); return COUNCILCASTE_NEW; } @RequestMapping(value = "/create", method = RequestMethod.POST) public String create(@Valid @ModelAttribute final CouncilCaste councilCaste, final BindingResult errors, final Model model, final RedirectAttributes redirectAttrs) { ValidationUtils.rejectIfEmptyOrWhitespace(errors, "name", "notempty.cncl.caste"); if (errors.hasErrors()) { return COUNCILCASTE_NEW; } councilCasteService.create(councilCaste); redirectAttrs.addFlashAttribute("message", messageSource.getMessage("msg.councilCaste.success", null, null)); return "redirect:/councilcaste/result/" + councilCaste.getId(); } @RequestMapping(value = "/edit/{id}", method = RequestMethod.GET) public String edit(@PathVariable("id") final Long id, Model model) { CouncilCaste councilCaste = councilCasteService.findOne(id); model.addAttribute(COUNCIL_CASTE, councilCaste); return COUNCILCASTE_EDIT; } @RequestMapping(value = "/update", method = RequestMethod.POST) public String update(@Valid @ModelAttribute final CouncilCaste councilCaste, final BindingResult errors, final Model model, final RedirectAttributes redirectAttrs) { ValidationUtils.rejectIfEmptyOrWhitespace(errors, "name", "notempty.cncl.caste"); if (errors.hasErrors()) { return COUNCILCASTE_EDIT; } councilCasteService.update(councilCaste); redirectAttrs.addFlashAttribute("message", messageSource.getMessage("msg.councilCaste.success", null, null)); return "redirect:/councilcaste/result/" + councilCaste.getId(); } @RequestMapping(value = "/view/{id}", method = RequestMethod.GET) public String view(@PathVariable("id") final Long id, Model model) { CouncilCaste councilCaste = councilCasteService.findOne(id); model.addAttribute(COUNCIL_CASTE, councilCaste); return COUNCILCASTE_VIEW; } @RequestMapping(value = "/result/{id}", method = RequestMethod.GET) public String result(@PathVariable("id") final Long id, Model model) { CouncilCaste councilCaste = councilCasteService.findOne(id); model.addAttribute(COUNCIL_CASTE, councilCaste); return COUNCILCASTE_RESULT; } @RequestMapping(value = "/search/{mode}", method = RequestMethod.GET) public String search(@PathVariable("mode") final String mode, Model model) { CouncilCaste councilCaste = new CouncilCaste(); model.addAttribute(COUNCIL_CASTE, councilCaste); return COUNCILCASTE_SEARCH; } @RequestMapping(value = "/ajaxsearch/{mode}", method = RequestMethod.POST, produces = MediaType.TEXT_PLAIN_VALUE) @ResponseBody public String ajaxsearch(@PathVariable("mode") final String mode, Model model, @ModelAttribute final CouncilCaste councilCaste) { List<CouncilCaste> searchResultList = councilCasteService.search(councilCaste); return new StringBuilder("{ \"data\":") .append(toJSON(searchResultList, CouncilCaste.class, CouncilCasteJsonAdaptor.class)).append("}") .toString(); } }