be.fedict.eid.dss.webapp.BrowserInfoServlet.java Source code

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Here is the source code for be.fedict.eid.dss.webapp.BrowserInfoServlet.java

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/*
 * eID Digital Signature Service Project.
 * Copyright (C) 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.dss.webapp;

import java.io.IOException;
import java.util.Arrays;
import java.util.LinkedList;
import java.util.List;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import be.fedict.eid.dss.spi.MimeType;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

public class BrowserInfoServlet extends HttpServlet {

    private static final long serialVersionUID = 1L;

    private static final Log LOG = LogFactory.getLog(BrowserInfoServlet.class);

    private static final String PLUGINS_SESSION_ATTRIBUTE = BrowserInfoServlet.class.getName() + ".Plugins";
    private static final String MIMETYPES_SESSION_ATTRIBUTE = BrowserInfoServlet.class.getName() + ".MimeTypes";

    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {

        LOG.debug("doPost");

        // parse plugins
        String pluginList = request.getParameter("plugins");
        if (null != pluginList && !pluginList.isEmpty()) {
            LOG.debug("pluginList: " + pluginList);
            String[] pluginarray = pluginList.split("\\|");
            List<String> plugins = Arrays.asList(pluginarray);
            request.getSession().setAttribute(PLUGINS_SESSION_ATTRIBUTE, plugins);
        }

        // parse mime types
        String mimeTypesList = request.getParameter("mimeTypes");
        if (null != mimeTypesList && !mimeTypesList.isEmpty()) {
            LOG.debug("mimeTypesList: " + mimeTypesList);
            List<MimeType> mimeTypes = new LinkedList<MimeType>();
            for (String mimeType : mimeTypesList.split("\\|")) {
                String[] mimeTypeInfo = mimeType.split(",");
                if (mimeTypeInfo.length != 2) {
                    LOG.error("Unable to parse mimetype: " + mimeType);
                    continue;
                }
                mimeTypes.add(new MimeType(mimeTypeInfo[0], mimeTypeInfo[1]));
            }
            request.getSession().setAttribute(MIMETYPES_SESSION_ATTRIBUTE, mimeTypes);
        }

        response.sendRedirect("./view.seam");
    }

    @SuppressWarnings("unchecked")
    public static List<String> getPlugins(HttpSession httpSession) {
        List<String> plugins = (List<String>) httpSession.getAttribute(PLUGINS_SESSION_ATTRIBUTE);
        if (null == plugins) {
            plugins = new LinkedList<String>();
        }
        return plugins;
    }

    @SuppressWarnings("unchecked")
    public static List<MimeType> getMimeTypes(HttpSession httpSession) {
        List<MimeType> mimeTypes = (List<MimeType>) httpSession.getAttribute(MIMETYPES_SESSION_ATTRIBUTE);
        if (null == mimeTypes) {
            mimeTypes = new LinkedList<MimeType>();
        }
        return mimeTypes;
    }
}