001 //$HeadURL: svn+ssh://rbezema@svn.wald.intevation.org/deegree/base/branches/2.2_testing/src/org/deegree/enterprise/AbstractOGCServlet.java $
002 /*---------------- FILE HEADER ------------------------------------------
003
004 This file is part of deegree.
005 Copyright (C) 2001-2008 by:
006 EXSE, Department of Geography, University of Bonn
007 http://www.giub.uni-bonn.de/deegree/
008 lat/lon GmbH
009 http://www.lat-lon.de
010
011 This library is free software; you can redistribute it and/or
012 modify it under the terms of the GNU Lesser General Public
013 License as published by the Free Software Foundation; either
014 version 2.1 of the License, or (at your option) any later version.
015
016 This library is distributed in the hope that it will be useful,
017 but WITHOUT ANY WARRANTY; without even the implied warranty of
018 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
019 Lesser General Public License for more details.
020
021 You should have received a copy of the GNU Lesser General Public
022 License along with this library; if not, write to the Free Software
023 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
024
025 Contact:
026
027 Andreas Poth
028 lat/lon GmbH
029 Aennchenstr. 19
030 53115 Bonn
031 Germany
032 E-Mail: poth@lat-lon.de
033
034 Prof. Dr. Klaus Greve
035 Department of Geography
036 University of Bonn
037 Meckenheimer Allee 166
038 53115 Bonn
039 Germany
040 E-Mail: greve@giub.uni-bonn.de
041
042 ----------------------------------------------------------------------------*/
043 package org.deegree.enterprise;
044
045 import java.io.PrintWriter;
046
047 import javax.servlet.ServletConfig;
048 import javax.servlet.ServletException;
049 import javax.servlet.http.HttpServlet;
050 import javax.servlet.http.HttpServletResponse;
051
052 import org.deegree.framework.util.StringTools;
053 import org.deegree.framework.xml.Marshallable;
054 import org.deegree.ogcwebservices.OGCWebServiceException;
055
056 /**
057 * Abstract servlet that serves as an OCC-compliant HTTP-frontend to any OGC-WebService (WFS, WMS,
058 * ...).
059 *
060 * @author <a href="mailto:mschneider@lat-lon.de">Markus Schneider</a>
061 * @author last edited by: $Author: apoth $
062 *
063 * @version $Revision: 9338 $ $Date: 2007-12-27 13:31:31 +0100 (Do, 27 Dez 2007) $
064 *
065 * @todo refactoring required, move to package servlet
066 */
067 public abstract class AbstractOGCServlet extends HttpServlet {
068
069 /**
070 * Called by the servlet container to indicate that the servlet is being placed into service.
071 * Sets the debug level according to the debug parameter defined in the ServletEngine's
072 * environment.
073 * <p>
074 * <p>
075 *
076 * @param servletConfig
077 * servlet configuration
078 * @throws ServletException
079 * exception if something occurred that interferes with the servlet's normal
080 * operation
081 */
082 @Override
083 public void init( ServletConfig servletConfig )
084 throws ServletException {
085 super.init( servletConfig );
086 }
087
088 /**
089 * handles fatal errors by creating a OGC exception XML and sending it back to the client
090 *
091 * @param msg
092 * @param ex
093 * @param response
094 *
095 * @deprecated
096 */
097 @Deprecated
098 protected void handleException( String msg, Exception ex, HttpServletResponse response ) {
099 String tmp = StringTools.stackTraceToString( ex );
100 getServletContext().log( msg + tmp );
101 OGCWebServiceException wex = new OGCWebServiceException( this.getClass().getName(), tmp );
102 try {
103 PrintWriter pw = response.getWriter();
104 pw.write( ( (Marshallable) wex ).exportAsXML() );
105 pw.close();
106 } catch ( Exception e ) {
107 getServletContext().log( e.toString() );
108 }
109 }
110 }