/*
* eID Applet Project.
* Copyright (C) 2008-2009 FedICT.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License version
* 3.0 as published by the Free Software Foundation.
*
* This 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 this software; if not, see
* http://www.gnu.org/licenses/.
*/
package be.fedict.eid.applet.service;
import java.io.IOException;
import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import be.fedict.eid.applet.service.impl.KmlGenerator;
import be.fedict.eid.applet.service.util.KmlLight;
/**
* Servlet that outputs the eID identity data from the HTTP session to a zipped
* KML (.kmz) Can be used by virtual globes like Google Earth, KDE Marble...
*
* @see http://www.opengeospatial.org/standards/kml/
*
* @author Bart Hanssens
*
*/
public class KmlServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
private static final Log LOG = LogFactory.getLog(KmlServlet.class);
private KmlGenerator kmlGenerator;
@Override
public void init(ServletConfig config) throws ServletException {
super.init(config);
this.kmlGenerator = new KmlGenerator();
}
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
LOG.debug("doGet");
HttpSession httpSession = request.getSession();
EIdData eIdData = (EIdData) httpSession.getAttribute("eid");
byte[] document;
try {
document = this.kmlGenerator.generateKml(eIdData);
} catch (IOException e) {
throw new ServletException("KML generator error: " + e.getMessage(), e);
}
response.setHeader("Cache-Control", "no-cache, no-store, must-revalidate, max-age=-1"); // http
// 1.1
if (false == request.getScheme().equals("https")) {
// else the download fails in IE
response.setHeader("Pragma", "no-cache"); // http 1.0
} else {
response.setHeader("Pragma", "public");
}
response.setDateHeader("Expires", -1);
response.setHeader("Content-disposition", "attachment");
response.setContentLength(document.length);
response.setContentType(KmlLight.MIME_TYPE);
response.setContentLength(document.length);
ServletOutputStream out = response.getOutputStream();
out.write(document);
out.flush();
}
}