001: //$HeadURL: https://svn.wald.intevation.org/svn/deegree/base/trunk/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 04:31:31 -0800 (Thu, 27 Dec 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,
099: HttpServletResponse response) {
100: String tmp = StringTools.stackTraceToString(ex);
101: getServletContext().log(msg + tmp);
102: OGCWebServiceException wex = new OGCWebServiceException(this
103: .getClass().getName(), tmp);
104: try {
105: PrintWriter pw = response.getWriter();
106: pw.write(((Marshallable) wex).exportAsXML());
107: pw.close();
108: } catch (Exception e) {
109: getServletContext().log(e.toString());
110: }
111: }
112: }
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