001 //$HeadURL: https://svn.wald.intevation.org/svn/deegree/base/branches/2.3_testing/src/org/deegree/portal/portlet/modules/actions/LoginUser.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.modules.actions;
037
038 import java.io.File;
039
040 import javax.servlet.ServletContext;
041 import javax.servlet.http.HttpSession;
042
043 import org.deegree.portal.context.ViewContext;
044 import org.deegree.portal.context.WebMapContextFactory;
045 import org.deegree.security.drm.model.User;
046
047 /**
048 * This class can be used within listener classes that will be called if a user logs in into a
049 * portal. It reads the context documents from the users context directory that are storing the
050 * state of the maps when the users has logged out the last time. <BR>
051 * At the moment a concrete listener is available for Jetspeed 1.6
052 *
053 * @see org.deegree.portal.portlet.modules.actions.IGeoJetspeed16LoginUser
054 *
055 *
056 * @version $Revision: 18195 $
057 * @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
058 * @author last edited by: $Author: mschneider $
059 *
060 * @version $Revision: 18195 $, $Date: 2009-06-18 17:55:39 +0200 (Do, 18. Jun 2009) $
061 */
062 class LoginUser {
063
064 /**
065 * validates if a WMC directory for the passed user is already available and creates it if not.
066 * The user's WMC directory will be returned as in instance of <@link File>
067 *
068 * @param user
069 * @param sc
070 * @return user's WMC directory
071 */
072 File ensureDirectory( ServletContext sc, String user ) {
073
074 File dir = new File( sc.getRealPath( "WEB-INF/wmc/" + user ) );
075 if ( !dir.exists() ) {
076 dir.mkdir();
077 }
078
079 return dir;
080 }
081
082 /**
083 *
084 * @param dir
085 * @param ses
086 * @param user
087 */
088 void readContextDocuments( File dir, HttpSession ses, User user ) {
089 File[] files = dir.listFiles();
090 // we have to look for all files stored in the user's WMC
091 // directory and read those which can be identified as stored
092 // when the has been logged out the last time. These files will
093 // read and stored in the users session where the file name
094 // ( without extension ) is the attributes key and will
095 // be used by the portlets to access the assigned WMC
096 if ( files != null ) {
097 for ( int i = 0; i < files.length; i++ ) {
098 String name = files[i].getName();
099 if ( name.endsWith( AbstractPortletPerform.CURRENT_WMC + ".xml" ) ) {
100
101 int pos = name.lastIndexOf( '.' );
102 name = name.substring( 0, pos );
103 ViewContext vc = null;
104 try {
105 vc = WebMapContextFactory.createViewContext( files[i].toURL(), user, null );
106 } catch ( Exception e ) {
107 e.printStackTrace();
108 }
109 ses.setAttribute( name, vc );
110
111 }
112 }
113 }
114 }
115
116 }