/*---------------- FILE HEADER ------------------------------------------
This file is part of deegree.
Copyright (C) 2001-2006 by:
EXSE, Department of Geography, University of Bonn
http://www.giub.uni-bonn.de/deegree/
lat/lon GmbH
http://www.lat-lon.de
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.
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
Contact:
Andreas Poth
lat/lon GmbH
Aennchenstr. 19
53115 Bonn
Germany
E-Mail: poth@lat-lon.de
Prof. Dr. Klaus Greve
Department of Geography
University of Bonn
Meckenheimer Allee 166
53115 Bonn
Germany
E-Mail: greve@giub.uni-bonn.de
---------------------------------------------------------------------------*/
package org.deegree.portal.standard.sos.control;
import java.io.IOException;
import java.net.URL;
import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.deegree.enterprise.control.FormEvent;
import org.deegree.framework.log.ILogger;
import org.deegree.framework.log.LoggerFactory;
import org.deegree.framework.util.StringTools;
import org.deegree.framework.util.WebappResourceResolver;
import org.deegree.portal.standard.sos.configuration.SOSClientConfiguration;
/**
* Client request dispatcher based on CSW's one.
*
* @version $Revision: 1.6 $
* @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
* @author <a href="mailto:taddei@lat-lon.de">Ugo Taddei</a>
*/
public class SOSClientRequestDispatcher extends org.deegree.enterprise.control.RequestDispatcher {
private static final ILogger LOG = LoggerFactory.getLogger( SOSClientRequestDispatcher.class );
/**
* Comment for <code>ERROR_PAGE</code>
*/
static String ERROR_PAGE = "error.jsp";
/**
* This method initializes the servlet.
*
* @param cfg the servlet configuration
*
* @throws ServletException an exception
*/
public void init( ServletConfig cfg ) throws ServletException {
super.init( cfg );
try {
// initialize configuration of client and data servers
URL url = WebappResourceResolver.resolveFileLocation( getInitParameter( "Client.configFile" ),
this.getServletContext(), LOG);
SOSClientConfiguration.getInstance( url );
} catch ( Exception e ) {
e.printStackTrace();
throw new ServletException( StringTools.stackTraceToString( e.getStackTrace() ) );
}
if ( getInitParameter( "Client.errorPage" ) != null ) {
ERROR_PAGE = getInitParameter( "Client.errorPage" );
}
}
protected void service(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
// create event out of request
FormEvent _event = createEvent( request );
// deliver event to application handler
deliverEvent( _event );
// get next page from request attribute
String nextPage = (String) request.getAttribute( "next" );
// show error page if next page is null
if ( nextPage == null ) nextPage = ERROR_PAGE;
nextPage = "/" + nextPage;
if ( request.getAttribute("javax.servlet.jsp.jspException") != null ) {
nextPage = "/" + ERROR_PAGE;
}
try {
request.setAttribute( "CONFIGURATION", SOSClientConfiguration.getInstance() );
} catch(Exception e) {
e.printStackTrace();
throw new ServletException( "could not create SOS client configuration" );
}
//FIXME throwing nasty exception when plaform doesn't exist -> handle this
// this exception is not showing up on error.jsp
// call request dispatcher
getServletConfig().getServletContext().getRequestDispatcher( nextPage ).forward( request, response );
_event = null;
}
}
/* ********************************************************************
Changes to this class. What the people have been up to:
$Log: SOSClientRequestDispatcher.java,v $
Revision 1.6 2006/08/29 19:54:14 poth
footer corrected
Revision 1.5 2006/07/12 14:46:18 poth
comment footer added
********************************************************************** */