001 //$HeadURL: svn+ssh://jwilden@svn.wald.intevation.org/deegree/base/branches/2.5_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 }