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/*
* 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));
}
}
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