    001    //$HeadURL: https://svn.wald.intevation.org/svn/deegree/base/branches/2.4_testing/src/org/deegree/enterprise/AbstractOGCServlet.java $
    002    /*----------------------------------------------------------------------------
    003     This file is part of deegree, http://deegree.org/
    004     Copyright (C) 2001-2009 by:
    005       Department of Geography, University of Bonn
    006     and
    007       lat/lon GmbH
    008
    009     This library is free software; you can redistribute it and/or modify it under
    010     the terms of the GNU Lesser General Public License as published by the Free
    011     Software Foundation; either version 2.1 of the License, or (at your option)
    012     any later version.
    013     This library is distributed in the hope that it will be useful, but WITHOUT
    014     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
    015     FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
    016     details.
    017     You should have received a copy of the GNU Lesser General Public License
    018     along with this library; if not, write to the Free Software Foundation, Inc.,
    019     59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
    020
    021     Contact information:
    022
    023     lat/lon GmbH
    024     Aennchenstr. 19, 53177 Bonn
    025     Germany
    026     http://lat-lon.de/
    027
    028     Department of Geography, University of Bonn
    029     Prof. Dr. Klaus Greve
    030     Postfach 1147, 53001 Bonn
    031     Germany
    032     http://www.geographie.uni-bonn.de/deegree/
    033
    034     e-mail: info@deegree.org
    035    ----------------------------------------------------------------------------*/
    036    package org.deegree.enterprise;
    037
    038    import java.io.PrintWriter;
    039
    040    import javax.servlet.ServletConfig;
    041    import javax.servlet.ServletException;
    042    import javax.servlet.http.HttpServlet;
    043    import javax.servlet.http.HttpServletResponse;
    044
    045    import org.deegree.framework.util.StringTools;
    046    import org.deegree.framework.xml.Marshallable;
    047    import org.deegree.ogcwebservices.OGCWebServiceException;
    048
    049    /**
    050     * Abstract servlet that serves as an OCC-compliant HTTP-frontend to any OGC-WebService (WFS, WMS,
    051     * ...).
    052     *
    053     * @author <a href="mailto:mschneider@lat-lon.de">Markus Schneider</a>
    054     * @author last edited by: $Author: mschneider $
    055     *
    056     * @version $Revision: 18195 $ $Date: 2009-06-18 17:55:39 +0200 (Do, 18. Jun 2009) $
    057     *
    058     * @todo refactoring required, move to package servlet
    059     */
    060    public abstract class AbstractOGCServlet extends HttpServlet {
    061
    062        /**
    063         * Called by the servlet container to indicate that the servlet is being placed into service.
    064         * Sets the debug level according to the debug parameter defined in the ServletEngine's
    065         * environment.
    066         * <p>
    067         * <p>
    068         *
    069         * @param servletConfig
    070         *            servlet configuration
    071         * @throws ServletException
    072         *             exception if something occurred that interferes with the servlet's normal
    073         *             operation
    074         */
    075        @Override
    076        public void init( ServletConfig servletConfig )
    077                                throws ServletException {
    078            super.init( servletConfig );
    079        }
    080
    081        /**
    082         * handles fatal errors by creating a OGC exception XML and sending it back to the client
    083         *
    084         * @param msg
    085         * @param ex
    086         * @param response
    087         *
    088         * @deprecated
    089         */
    090        @Deprecated
    091        protected void handleException( String msg, Exception ex, HttpServletResponse response ) {
    092            String tmp = StringTools.stackTraceToString( ex );
    093            getServletContext().log( msg + tmp );
    094            OGCWebServiceException wex = new OGCWebServiceException( this.getClass().getName(), tmp );
    095            try {
    096                PrintWriter pw = response.getWriter();
    097                pw.write( ( (Marshallable) wex ).exportAsXML() );
    098                pw.close();
    099            } catch ( Exception e ) {
    100                getServletContext().log( e.toString() );
    101            }
    102        }
    103    }