Java tutorial
/* * Copyright (C) 2011-2014 eXo Platform SAS. * * This file is part of eXo Acceptance Webapp. * * eXo Acceptance Webapp is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation; either version 3 of * the License, or (at your option) any later version. * * eXo Acceptance Webapp software 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with eXo Acceptance Webapp; if not, write to the Free * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA, or see <http://www.gnu.org/licenses/>. */ package org.exoplatform.acceptance.lifecycle; import org.exoplatform.acceptance.annotation.Production; import org.exoplatform.acceptance.model.credential.Credential; import org.exoplatform.acceptance.service.credential.CredentialService; import javax.inject.Inject; import javax.inject.Named; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.context.ApplicationContext; import org.springframework.context.ApplicationListener; import org.springframework.context.event.ContextRefreshedEvent; /** * Bootstrap service is used to initialize the application in a production environment * * @author Arnaud Hritier ( aheritier@exoplatform.com ) * @since 2.0.0 */ @Named @Production public class ProductionInitializer implements ApplicationListener<ContextRefreshedEvent> { /** * Constant <code>LOGGER</code> */ private static final Logger LOGGER = LoggerFactory.getLogger(ProductionInitializer.class); @Inject private CredentialService credentialService; /** * {@inheritDoc} * Handle an application event. */ @Override public void onApplicationEvent(ContextRefreshedEvent event) { ApplicationContext context = (ApplicationContext) event.getSource(); // Execute once at the root context only if (context.getParent() == null) { if (credentialService.findByType(Credential.Type.NONE).size() == 0) { // Always load the NO CREDENTIAL entry in the repository if it doesn't exist credentialService.updateOrCreate(Credential.NONE); } // Otherwise we load its ID in our Singleton Credential.NONE.setId(credentialService.findByName(Credential.NONE.getName()).getId()); LOGGER.info("NoCredential ID : {}", Credential.NONE.getId()); // We may add an upgrade system here if necessary LOGGER.info("Data are ready for production."); } } }