001 //$HeadURL: svn+ssh://rbezema@svn.wald.intevation.org/deegree/base/branches/2.2_testing/src/org/deegree/ogcwebservices/wass/common/GetSessionDispatcher.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 ---------------------------------------------------------------------------*/
044
045 package org.deegree.ogcwebservices.wass.common;
046
047 import java.util.ArrayList;
048
049 import org.deegree.framework.log.ILogger;
050 import org.deegree.framework.log.LoggerFactory;
051 import org.deegree.i18n.Messages;
052 import org.deegree.security.GeneralSecurityException;
053 import org.deegree.security.session.SessionStatusException;
054
055 /**
056 * This class handles/dispatches all GetSession requests.
057 *
058 * @author <a href="mailto:schmitz@lat-lon.de">Andreas Schmitz</a>
059 * @author last edited by: $Author: apoth $
060 *
061 * @version $Revision: 9345 $, $Date: 2007-12-27 17:22:25 +0100 (Do, 27 Dez 2007) $
062 */
063
064 public class GetSessionDispatcher implements GetSessionHandler {
065
066 private static final ILogger LOG = LoggerFactory.getLogger( GetSessionDispatcher.class );
067
068 private ArrayList< GetSessionHandler> handlers;
069
070 /**
071 * Constructs a new handler ready to process your requests.
072 * @param getSessionHandlers
073 */
074 public GetSessionDispatcher( ArrayList<GetSessionHandler> getSessionHandlers ) {
075 this.handlers = getSessionHandlers;
076 }
077
078 /**
079 * Returns a new session ID.
080 *
081 * @param request
082 * the request on which to base the authentication
083 * @return the new session ID or null, if no authentication took place
084 * @throws SessionStatusException
085 * @throws GeneralSecurityException
086 */
087 public String handleRequest( GetSession request )
088 throws SessionStatusException, GeneralSecurityException {
089 String res = null;
090
091 for ( GetSessionHandler handler : handlers ){
092 res = handler.handleRequest( request );
093 if( res != null ) //The handler handled the request
094 return res;
095 }
096
097 if( res == null ){
098 // did not find a handler, just return null and log a warning
099 StringBuffer msg = new StringBuffer( Messages.getMessage( "WASS_ERROR_NO_AUTHMETHOD_HANDLER" ) );
100 msg.append( request.getAuthenticationData().getAuthenticationMethod() );
101 LOG.logWarning( msg.toString() );
102 }
103
104 return res;
105 }
106
107 }