| /* |
| * Copyright (c) 2009-2012 Eike Stepper (Berlin, Germany) and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Eike Stepper - initial API and implementation |
| * |
| * Initial Publication: |
| * Eclipse Magazin - http://www.eclipse-magazin.de |
| */ |
| package org.gastro.server.internal.web; |
| |
| import org.eclipse.emf.cdo.eresource.CDOResource; |
| import org.eclipse.emf.cdo.net4j.CDONet4jSession; |
| import org.eclipse.emf.cdo.net4j.CDONet4jSessionConfiguration; |
| import org.eclipse.emf.cdo.net4j.CDONet4jUtil; |
| import org.eclipse.emf.cdo.server.IRepository; |
| import org.eclipse.emf.cdo.view.CDOView; |
| |
| import org.eclipse.net4j.Net4jUtil; |
| import org.eclipse.net4j.acceptor.IAcceptor; |
| import org.eclipse.net4j.connector.IConnector; |
| import org.eclipse.net4j.util.StringUtil; |
| import org.eclipse.net4j.util.container.IPluginContainer; |
| import org.eclipse.net4j.util.io.IOUtil; |
| import org.eclipse.net4j.util.om.OMPlatform; |
| |
| import org.apache.commons.lang.StringEscapeUtils; |
| import org.gastro.business.BusinessDay; |
| import org.gastro.inventory.MenuCard; |
| import org.gastro.server.GastroServer; |
| |
| import javax.servlet.ServletException; |
| import javax.servlet.http.HttpServlet; |
| import javax.servlet.http.HttpServletRequest; |
| import javax.servlet.http.HttpServletResponse; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.PrintWriter; |
| import java.text.NumberFormat; |
| import java.text.SimpleDateFormat; |
| import java.util.Date; |
| import java.util.Properties; |
| |
| import templates.MenuCardTemplate; |
| |
| /** |
| * @author Eike Stepper |
| */ |
| public class GastroServlet extends HttpServlet |
| { |
| private static final long serialVersionUID = 1L; |
| |
| private String restaurantName; |
| |
| private IAcceptor acceptor; |
| |
| private IConnector connector; |
| |
| private CDOView view; |
| |
| private MenuCard menuCard; |
| |
| private MenuCardTemplate template = MenuCardTemplate.create(StringUtil.NL); |
| |
| private IRepository repository; |
| |
| public GastroServlet() |
| { |
| } |
| |
| @Override |
| public void init() throws ServletException |
| { |
| repository = GastroServer.getRepository(); |
| if (repository == null) |
| { |
| return; |
| } |
| |
| OM.LOG.info("Gastro servlet initializing"); |
| String repositoryName = repository.getName(); |
| restaurantName = getRestaurantName(); |
| |
| acceptor = Net4jUtil.getAcceptor(IPluginContainer.INSTANCE, "jvm", repositoryName); |
| connector = Net4jUtil.getConnector(IPluginContainer.INSTANCE, "jvm", repositoryName); |
| |
| CDONet4jSessionConfiguration config = CDONet4jUtil.createNet4jSessionConfiguration(); |
| config.setConnector(connector); |
| config.setRepositoryName(repositoryName); |
| |
| CDONet4jSession session = config.openNet4jSession(); |
| view = session.openView(); |
| super.init(); |
| OM.LOG.info("Gastro servlet initialized"); |
| } |
| |
| @Override |
| public void destroy() |
| { |
| if (repository == null) |
| { |
| return; |
| } |
| |
| OM.LOG.info("Gastro servlet destroying"); |
| if (view != null) |
| { |
| CDONet4jSession session = (CDONet4jSession)view.getSession(); |
| if (session != null) |
| { |
| session.close(); |
| } |
| } |
| |
| if (connector != null) |
| { |
| connector.close(); |
| } |
| |
| if (acceptor != null) |
| { |
| acceptor.close(); |
| } |
| |
| super.destroy(); |
| OM.LOG.info("Gastro servlet destroyed"); |
| } |
| |
| public synchronized MenuCard getMenuCard() |
| { |
| if (menuCard == null) |
| { |
| SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd"); |
| String path = restaurantName + "/" + formatter.format(new Date()); |
| CDOResource resource = view.getResource(path); |
| BusinessDay businessDay = (BusinessDay)resource.getContents().get(0); |
| menuCard = businessDay.getMenuCard(); |
| } |
| |
| return menuCard; |
| } |
| |
| @Override |
| protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException |
| { |
| doPost(req, resp); |
| } |
| |
| @Override |
| protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException |
| { |
| PrintWriter writer = resp.getWriter(); |
| |
| try |
| { |
| String html = template.generate(getMenuCard()); |
| writer.print(html); |
| } |
| finally |
| { |
| IOUtil.close(writer); |
| } |
| } |
| |
| public static String getRestaurantName() throws ServletException |
| { |
| try |
| { |
| String configPath = OMPlatform.INSTANCE.getProperty("servlet.config", "config/gastro.properties"); |
| // InputStream stream = new FileInputStream(configPath); |
| InputStream stream = OM.BUNDLE.getInputStream(configPath); |
| |
| try |
| { |
| Properties properties = new Properties(); |
| properties.load(stream); |
| return properties.getProperty("restaurant"); |
| } |
| finally |
| { |
| stream.close(); |
| } |
| } |
| catch (IOException ex) |
| { |
| throw new ServletException(ex); |
| } |
| } |
| |
| public static String html(String value) |
| { |
| return StringEscapeUtils.escapeHtml(value); |
| } |
| |
| public static String html(double value) |
| { |
| return html(NumberFormat.getCurrencyInstance().format(value)); |
| } |
| } |