/**
* DownloadResourceServlet.java
* Author: Francesco Rosso (rosso@eurix.it)
*
* This file is part of PrestoPRIME Preservation Platform (P4).
*
* Copyright (C) 2009-2012 EURIX Srl, Torino, Italy
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package eu.prestoprime.p4gui.access.viewer;
import java.io.IOException;
import java.net.URL;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import eu.prestoprime.p4gui.P4GUI;
import eu.prestoprime.p4gui.connection.AccessConnection;
import eu.prestoprime.p4gui.model.User;
import eu.prestoprime.p4gui.services.auth.RoleManager;
import eu.prestoprime.p4gui.services.auth.RoleManager.USER_ROLE;
import eu.prestoprime.p4gui.util.Tools;
@WebServlet("/access/viewer/resource")
public class DownloadResourceServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
User user = Tools.getSessionAttribute(request.getSession(), P4GUI.USER_BEAN_NAME, User.class);
RoleManager.checkRequestedRole(USER_ROLE.consumer, user.getCurrentP4Service().getRole(), response);
String url = request.getParameter("url");
if (url == null || url.equals("")) {
url = Tools.getRequestAttribute(request, "url", String.class);
}
if (url != null) {
String resource = AccessConnection.getResource(user.getCurrentP4Service(), new URL(url));
if (resource != null) {
response.setContentType("text/xml");
response.setContentLength(resource.length());
response.setHeader("Content-Disposition", "attachment; filename=\"" + url + ".xml\"");
response.getWriter().write(resource);
}
}
}
}