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OpenCms is an enterprise-ready, easy to use website content management system based on Java and XML technology. Offering a complete set of features, OpenCms helps content managers worldwide to create and maintain beautiful websites fast and efficiently.

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/*
 * This library is part of OpenCms -
 * the Open Source Content Management System
 *
 * Copyright (c) Alkacon Software GmbH & Co. KG (http://www.alkacon.com)
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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.
 *
 * For further information about Alkacon Software, please see the
 * company website: http://www.alkacon.com
 *
 * For further information about OpenCms, please see the
 * project website: http://www.opencms.org
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package org.opencms.webdav;

import org.opencms.main.CmsException;
import org.opencms.security.CmsPermissionViolationException;

import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Locale;
import java.util.TimeZone;

import javax.servlet.http.HttpServletResponse;

/**
 * Various utilities for the WebDAV implementation.
 */
public class CmsDavUtil {

    /** Default date format to use for date-valued properties. */
    public static final DateFormat DATE_FORMAT;
    public static final String PARAM_REPOSITORY = "repository";

    static {
        DATE_FORMAT = new SimpleDateFormat("EEE, dd MMM yyyy HH:mm:ss 'GMT'", Locale.US);
        DATE_FORMAT.setTimeZone(TimeZone.getTimeZone("GMT"));
    }

    /**
     * Gets the HTTP status code to use for an exception.
     *
     * @param e the exception
     * @return the status code
     */
    public static int getStatusForException(CmsException e) {

        if (e instanceof CmsPermissionViolationException) {
            return HttpServletResponse.SC_FORBIDDEN;
        } else {
            return HttpServletResponse.SC_INTERNAL_SERVER_ERROR;
        }
    }

}