Java tutorial
/* Copyright 2009 - 2010 Under Dusken 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 no.dusken.barweb.plugin.duskeninternplugin.admin; import no.dusken.barweb.model.BarPerson; import no.dusken.barweb.model.Gjeng; import no.dusken.barweb.service.BarPersonService; import no.dusken.barweb.service.GjengService; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.beans.factory.annotation.Required; import org.springframework.jdbc.core.JdbcTemplate; import org.springframework.jdbc.core.support.JdbcDaoSupport; import org.springframework.jdbc.support.rowset.SqlRowSet; import org.springframework.web.servlet.ModelAndView; import org.springframework.web.servlet.mvc.Controller; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import java.util.HashMap; import java.util.Map; /** * Connects to usedatabase and fetch persons. * @author Marvin B. Lillehaug <lillehau@underdusken.no> */ public class ImportPersonController extends JdbcDaoSupport implements Controller { private BarPersonService barPersonService; private GjengService gjengService; private Logger log = LoggerFactory.getLogger(this.getClass()); private boolean isImporting = false; private String view; public ModelAndView handleRequest(HttpServletRequest request, HttpServletResponse response) { Map<String, Object> map = new HashMap<String, Object>(); try { doImport(); } finally { isImporting = false; } map.put("message", "Import successfull!"); releaseConnection(getConnection()); return new ModelAndView(view, map); } public ModelAndView doImport() { Map<String, String> map = new HashMap<String, String>(); if (isImporting) { log.error("import already running"); map.put("message", "Import already running"); return new ModelAndView(view, map); } else { isImporting = true; } JdbcTemplate jt = getJdbcTemplate(); jt.setFetchSize(100); Gjeng g = gjengService.getByName("Under dusken"); if (g == null) { g = new Gjeng(); g.setDefaultGjeng(true); g.setName("Under dusken"); gjengService.saveAndFlush(g); } // importing persons SqlRowSet medarbeidere = jt.queryForRowSet("SELECT * FROM medarbeidere"); while (medarbeidere.next()) { Long externalID = Long.parseLong(medarbeidere.getString("medarb_ref")); String username = medarbeidere.getString("brukernavn"); if (username == null || username.equals("")) { continue; } // use username instead of external id BarPerson p = barPersonService.getByUsername(username); if (p == null) { p = new BarPerson(); p.setExternalID(externalID); p.setUsername(username); p.setFirstname(medarbeidere.getString("fornavn")); p.setSurname(medarbeidere.getString("etternavn")); p.setActive(medarbeidere.getBoolean("aktiv")); p.setEmailAddress(username + "@underdusken.no"); p.setMoney(medarbeidere.getInt("saldo")); p.setExternalSource("db_web"); p.setExternalID(externalID); p.setGjeng(g); p = barPersonService.save(p); } log.info("Imported BarPerson: " + p.toString()); } return new ModelAndView(view, map); } @Autowired @Required public void setBarPersonService(BarPersonService barPersonService) { this.barPersonService = barPersonService; } public void setView(String view) { this.view = view; } @Autowired public void setGjengService(GjengService gjengService) { this.gjengService = gjengService; } }