001    //$HeadURL: https://svn.wald.intevation.org/svn/deegree/base/branches/2.3_testing/src/org/deegree/portal/portlet/enterprise/SimplePrintListener.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.portal.portlet.enterprise;
037    
038    import javax.servlet.http.HttpServletRequest;
039    import javax.servlet.http.HttpSession;
040    
041    import org.apache.jetspeed.om.security.BaseJetspeedUser;
042    import org.deegree.enterprise.control.RPCStruct;
043    import org.deegree.enterprise.control.RPCWebEvent;
044    import org.deegree.portal.PortalException;
045    import org.deegree.portal.common.control.AbstractSimplePrintListener;
046    import org.deegree.portal.context.ViewContext;
047    import org.deegree.portal.portlet.modules.actions.IGeoPortalPortletPerform;
048    import org.deegree.security.drm.model.User;
049    
050    /**
051     * performs a print request/event by creating a PDF document from the current map
052     *
053     *
054     * @version $Revision: 18195 $
055     * @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
056     * @author last edited by: $Author: mschneider $
057     *
058     * @version $Revision: 18195 $, $Date: 2009-06-18 17:55:39 +0200 (Do, 18. Jun 2009) $
059     */
060    public class SimplePrintListener extends AbstractSimplePrintListener {
061    
062        /**
063         * returns the user who is requesting the print map view or <code>null</code> if no user
064         * information is available
065         *
066         * @return the user who is requesting the print map view or <code>null</code> if no user
067         *         information is available
068         */
069        @Override
070        protected User getUser() {
071            HttpSession session = ( (HttpServletRequest) getRequest() ).getSession();
072            BaseJetspeedUser user = (BaseJetspeedUser) session.getAttribute( "turbine.user" );
073            String userName = null;
074            String password = null;
075            if ( user != null ) {
076                userName = user.getUserName();
077                password = user.getPassword();
078                return new User( 1, userName, password, null, null, null, null );
079            }
080            return null;
081        }
082    
083        /**
084         * reads the view context to print from the users session
085         *
086         * @param rpc
087         * @return ViewContext
088         */
089        @Override
090        protected ViewContext getViewContext( RPCWebEvent rpc ) {
091            RPCStruct struct = (RPCStruct) rpc.getRPCMethodCall().getParameters()[1].getValue();
092            String mmid = (String) struct.getMember( "MAPMODELID" ).getValue();
093            HttpSession session = ( (HttpServletRequest) getRequest() ).getSession();
094            return IGeoPortalPortletPerform.getCurrentViewContext( session, mmid );
095        }
096    
097        /**
098         * validates the incoming request/RPC if conatins all required elements
099         *
100         * @param rpc
101         * @throws PortalException
102         */
103        @Override
104        protected void validate( RPCWebEvent rpc )
105                                throws PortalException {
106            super.validate( rpc );
107            RPCStruct struct = (RPCStruct) rpc.getRPCMethodCall().getParameters()[1].getValue();
108            if ( struct.getMember( "MAPMODELID" ) == null ) {
109                throw new PortalException( "struct member: 'MAPMODELID' must be set" );
110            }
111        }
112    
113    }