    001    //$HeadURL: https://svn.wald.intevation.org/svn/deegree/base/branches/2.4_testing/src/org/deegree/ogcwebservices/wass/common/GetSessionDispatcher.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
    037    package org.deegree.ogcwebservices.wass.common;
    038
    039    import static org.deegree.i18n.Messages.getMessage;
    040
    041    import java.util.ArrayList;
    042
    043    import org.deegree.framework.log.ILogger;
    044    import org.deegree.framework.log.LoggerFactory;
    045    import org.deegree.security.GeneralSecurityException;
    046    import org.deegree.security.session.SessionStatusException;
    047
    048    /**
    049     * This class handles/dispatches all GetSession requests.
    050     *
    051     * @author <a href="mailto:schmitz@lat-lon.de">Andreas Schmitz</a>
    052     * @author last edited by: $Author: mschneider $
    053     *
    054     * @version $Revision: 18195 $, $Date: 2009-06-18 17:55:39 +0200 (Do, 18. Jun 2009) $
    055     */
    056
    057    public class GetSessionDispatcher implements GetSessionHandler {
    058
    059        private static final ILogger LOG = LoggerFactory.getLogger( GetSessionDispatcher.class );
    060
    061        private ArrayList<GetSessionHandler> handlers;
    062
    063        /**
    064         * Constructs a new handler ready to process your requests.
    065         *
    066         * @param getSessionHandlers
    067         */
    068        public GetSessionDispatcher( ArrayList<GetSessionHandler> getSessionHandlers ) {
    069            this.handlers = getSessionHandlers;
    070        }
    071
    072        /**
    073         * Returns a new session ID.
    074         *
    075         * @param request
    076         *            the request on which to base the authentication
    077         * @return the new session ID or null, if no authentication took place
    078         * @throws SessionStatusException
    079         * @throws GeneralSecurityException
    080         */
    081        public String handleRequest( GetSession request )
    082                                throws SessionStatusException, GeneralSecurityException {
    083            String res = null;
    084
    085            for ( GetSessionHandler handler : handlers ) {
    086                res = handler.handleRequest( request );
    087                if ( res != null ) // The handler handled the request
    088                    return res;
    089            }
    090
    091            // did not find a handler, just return null and log a warning
    092            StringBuffer msg = new StringBuffer( getMessage( "WASS_ERROR_NO_AUTHMETHOD_HANDLER" ) );
    093            msg.append( request.getAuthenticationData().getAuthenticationMethod() );
    094            LOG.logWarning( msg.toString() );
    095
    096            return res;
    097        }
    098
    099    }