001/*
002 * This library is part of OpenCms -
003 * the Open Source Content Management System
004 *
005 * Copyright (c) Alkacon Software GmbH & Co. KG (http://www.alkacon.com)
006 *
007 * This library is free software; you can redistribute it and/or
008 * modify it under the terms of the GNU Lesser General Public
009 * License as published by the Free Software Foundation; either
010 * version 2.1 of the License, or (at your option) any later version.
011 *
012 * This library is distributed in the hope that it will be useful,
013 * but WITHOUT ANY WARRANTY; without even the implied warranty of
014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
015 * Lesser General Public License for more details.
016 *
017 * For further information about Alkacon Software, please see the
018 * company website: http://www.alkacon.com
019 *
020 * For further information about OpenCms, please see the
021 * project website: http://www.opencms.org
022 *
023 * You should have received a copy of the GNU Lesser General Public
024 * License along with this library; if not, write to the Free Software
025 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
026 */
027
028package org.opencms.webdav;
029
030import org.opencms.main.CmsException;
031import org.opencms.security.CmsPermissionViolationException;
032
033import java.text.DateFormat;
034import java.text.SimpleDateFormat;
035import java.util.Locale;
036import java.util.TimeZone;
037
038import javax.servlet.http.HttpServletResponse;
039
040/**
041 * Various utilities for the WebDAV implementation.
042 */
043public class CmsDavUtil {
044
045    /** Default date format to use for date-valued properties. */
046    public static final DateFormat DATE_FORMAT;
047    public static final String PARAM_REPOSITORY = "repository";
048
049    static {
050        DATE_FORMAT = new SimpleDateFormat("EEE, dd MMM yyyy HH:mm:ss 'GMT'", Locale.US);
051        DATE_FORMAT.setTimeZone(TimeZone.getTimeZone("GMT"));
052    }
053
054    /**
055     * Gets the HTTP status code to use for an exception.
056     *
057     * @param e the exception
058     * @return the status code
059     */
060    public static int getStatusForException(CmsException e) {
061
062        if (e instanceof CmsPermissionViolationException) {
063            return HttpServletResponse.SC_FORBIDDEN;
064        } else {
065            return HttpServletResponse.SC_INTERNAL_SERVER_ERROR;
066        }
067    }
068
069}