GetLastUpdateServlet.java example

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p4-master
/**
 * GetLastUpdateServlet.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.admin.actions;

import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;

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 org.slf4j.Logger;
import org.slf4j.LoggerFactory;

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("/admin/actions/lastupdate")
public class GetLastUpdateServlet extends HttpServlet {
	private static final long serialVersionUID = 1L;

	private static final Logger logger = LoggerFactory.getLogger(GetLastUpdateServlet.class);

	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		logger.debug("Called /admin/actions/lastupdate");

		User user = Tools.getSessionAttribute(request.getSession(), P4GUI.USER_BEAN_NAME, User.class);
		RoleManager.checkRequestedRole(USER_ROLE.admin, user.getCurrentP4Service().getRole(), response);

		String id = request.getParameter("id");
		String dataType = request.getParameter("dataType");
		Date date = AccessConnection.checkDataTypeAvailability(user.getCurrentP4Service(), id, dataType);

		if (date != null) {
			response.getWriter().write(new SimpleDateFormat(P4GUI.SHORT_DATE_PATTERN).format(date));
		} else {
			response.getWriter().write("NOT AVAILABLE");
		}
	}
}