001 //$HeadURL: svn+ssh://rbezema@svn.wald.intevation.org/deegree/base/tags/2.1/src/org/deegree/ogcwebservices/wass/common/GetSessionDispatcher.java $
002 /*---------------- FILE HEADER ------------------------------------------
003
004 This file is part of deegree.
005 Copyright (C) 2001-2004 by:
006 EXSE, Department of Geography, University of Bonn
007 http://www.giub.uni-bonn.de/exse/
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 Meckenheimer Allee 176
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
044 package org.deegree.ogcwebservices.wass.common;
045
046 import java.util.ArrayList;
047
048 import org.deegree.framework.log.ILogger;
049 import org.deegree.framework.log.LoggerFactory;
050 import org.deegree.i18n.Messages;
051 import org.deegree.security.GeneralSecurityException;
052 import org.deegree.security.session.SessionStatusException;
053
054 /**
055 * This class handles/dispatches all GetSession requests.
056 *
057 * @author <a href="mailto:schmitz@lat-lon.de">Andreas Schmitz</a>
058 * @author last edited by: $Author: aschmitz $
059 *
060 * @version $Revision: 7341 $, $Date: 2007-05-29 14:03:14 +0200 (Di, 29 Mai 2007) $
061 */
062
063 public class GetSessionDispatcher implements GetSessionHandler {
064
065 private static final ILogger LOG = LoggerFactory.getLogger( GetSessionDispatcher.class );
066
067 private ArrayList< GetSessionHandler> handlers;
068
069 /**
070 * Constructs a new handler ready to process your requests.
071 * @param getSessionHandlers
072 */
073 public GetSessionDispatcher( ArrayList<GetSessionHandler> getSessionHandlers ) {
074 this.handlers = getSessionHandlers;
075 }
076
077 /**
078 * Returns a new session ID.
079 *
080 * @param request
081 * the request on which to base the authentication
082 * @return the new session ID or null, if no authentication took place
083 * @throws SessionStatusException
084 * @throws GeneralSecurityException
085 */
086 public String handleRequest( GetSession request )
087 throws SessionStatusException, GeneralSecurityException {
088 String res = null;
089
090 for ( GetSessionHandler handler : handlers ){
091 res = handler.handleRequest( request );
092 if( res != null ) //The handler handled the request
093 return res;
094 }
095
096 if( res == null ){
097 // did not find a handler, just return null and log a warning
098 StringBuffer msg = new StringBuffer( Messages.getMessage( "WASS_ERROR_NO_AUTHMETHOD_HANDLER" ) );
099 msg.append( request.getAuthenticationData().getAuthenticationMethod() );
100 LOG.logWarning( msg.toString() );
101 }
102
103 return res;
104 }
105
106 }