Java tutorial
/* * Copyright (c) 2015 www.see-r.com * All rights reserved * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as * published by the Free Software Foundation, either version 3 of the * License, or (at your option) 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 Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package com.seer.datacruncher.spring; import com.seer.datacruncher.jpa.Create; import com.seer.datacruncher.jpa.Destroy; import com.seer.datacruncher.jpa.ReadList; import com.seer.datacruncher.jpa.Update; import com.seer.datacruncher.jpa.dao.DaoSet; import com.seer.datacruncher.jpa.entity.SchemaEntity; import com.seer.datacruncher.jpa.entity.SchemaTriggerStatusEntity; import java.io.IOException; import java.text.SimpleDateFormat; import javax.servlet.ServletException; import javax.servlet.ServletOutputStream; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.apache.commons.collections.CollectionUtils; import org.codehaus.jackson.map.ObjectMapper; import org.springframework.web.servlet.ModelAndView; import org.springframework.web.servlet.mvc.Controller; public class SchemasUpdateController implements Controller, DaoSet { public ModelAndView handleRequest(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { String json = request.getReader().readLine(); ObjectMapper mapper = new ObjectMapper(); mapper.setDateFormat(new SimpleDateFormat("yyyy-MM-dd")); SchemaEntity schemaEntity = mapper.readValue(json, SchemaEntity.class); if (schemaEntity.getIdDatabase() > 0) { schemaEntity.setPublishToDb(true); } if (schemaEntity.getIdValidationDatabase() > 0) { schemaEntity.setInputToDb(true); } SchemaTriggerStatusEntity newSchemaTriggerStatusEntity = schemaEntity.getSchemaEvents(); Create createTrigger = new Create(); createTrigger.setSuccess(true); createTrigger.setMessage(""); Update update; ReadList readTriggersList = schemaTriggerStatusDao.findByIdSchema(schemaEntity.getIdSchema()); if (CollectionUtils.isNotEmpty(readTriggersList.getResults())) { if (schemaEntity.getIsEventTrigger()) { SchemaTriggerStatusEntity schemaTriggerStatusEntity = (SchemaTriggerStatusEntity) readTriggersList .getResults().get(0); if (schemaTriggerStatusEntity.getIdEventTrigger() != newSchemaTriggerStatusEntity .getIdEventTrigger() || schemaTriggerStatusEntity.getIdStatus() != newSchemaTriggerStatusEntity.getIdStatus()) { schemaTriggerStatusEntity.setIdEventTrigger(newSchemaTriggerStatusEntity.getIdEventTrigger()); schemaTriggerStatusEntity.setIdStatus(newSchemaTriggerStatusEntity.getIdStatus()); update = schemaTriggerStatusDao.update(schemaTriggerStatusEntity); if (update.isSuccess()) { schemaEntity.setSchemaEvents(schemaTriggerStatusEntity); } else { createTrigger.setSuccess(false); createTrigger.setMessage("Event update error:" + update.getMessage()); } } } else { Destroy destroy = schemaTriggerStatusDao.destroyEventsBySchema(schemaEntity.getIdSchema()); if (!destroy.isSuccess()) { createTrigger.setSuccess(false); createTrigger.setMessage("Event delete error:" + destroy.getMessage()); } } } else { if (schemaEntity.getIsEventTrigger()) { newSchemaTriggerStatusEntity.setIdSchema(schemaEntity.getIdSchema()); createTrigger = schemaTriggerStatusDao.create(newSchemaTriggerStatusEntity); if (createTrigger.getSuccess()) schemaEntity.setSchemaEvents(newSchemaTriggerStatusEntity); } } if (createTrigger.getSuccess()) { update = schemasDao.update(schemaEntity); } else { update = new Update(); update.setSuccess(createTrigger.getSuccess()); update.setMessage("Event " + createTrigger.getMessage()); } response.setContentType("application/json"); ServletOutputStream out = response.getOutputStream(); out.write(mapper.writeValueAsBytes(update)); out.flush(); out.close(); return null; } }