/*---------------- FILE HEADER ------------------------------------------
This file is part of deegree.
Copyright (C) 2001-2006 by:
EXSE, Department of Geography, University of Bonn
http://www.giub.uni-bonn.de/deegree/
lat/lon GmbH
http://www.lat-lon.de
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Contact:
Andreas Poth
lat/lon GmbH
Aennchenstr. 19
53177 Bonn
Germany
E-Mail: poth@lat-lon.de
Prof. Dr. Klaus Greve
Department of Geography
University of Bonn
Meckenheimer Allee 166
53115 Bonn
Germany
E-Mail: greve@giub.uni-bonn.de
---------------------------------------------------------------------------*/
package org.deegree.portal.portlet.modules.actions;
import java.io.File;
import java.io.IOException;
import java.net.MalformedURLException;
import javax.servlet.ServletContext;
import javax.servlet.http.HttpSession;
import org.deegree.framework.xml.XMLParsingException;
import org.deegree.portal.context.ContextException;
import org.deegree.portal.context.ViewContext;
import org.deegree.portal.context.WebMapContextFactory;
import org.xml.sax.SAXException;
/**
* This class can be used within listener classes that will be
* called if a user logs in into a portal. It reads the context
* documents from the users context directory that are storing
* the state of the maps when the users has logged out the last
* time. <BR>
* At the moment a concrete listener is available for Jetspeed
* 1.6 @see org.deegree.portal.portlet.modules.actions.IGeoJetspeed16LoginUser
*
*
* @version $Revision: 1.8 $
* @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
* @author last edited by: $Author: poth $
*
* @version 1.0. $Revision: 1.8 $, $Date: 2006/10/23 14:54:23 $
*
* @since 2.0
*/
class LoginUser {
/**
* validates if a WMC directory for the passed user is already
* available and creates it if not. The user's WMC directory will
* be returned as in instance of @see File
* @param user
* @param data
* @return
*/
File ensureDirectory( ServletContext sc, String user ) {
File dir = new File( sc.getRealPath( "WEB-INF/wmc/" + user ) );
if ( !dir.exists() ) {
dir.mkdir();
}
return dir;
}
/**
*
* @param dir
* @param user
* @param ses
* @throws MalformedURLException
* @throws IOException
* @throws XMLParsingException
* @throws ContextException
* @throws SAXException
*/
void readContextDocuments( File dir, HttpSession ses ) {
File[] files = dir.listFiles();
// we have to look for all files stored in the user's WMC
// directory and read those which can be identified as stored
// when the has been logged out the last time. These files will
// read and stored in the users session where the file name
// ( without extension ) is the attributes key and will
// be used by the portlets to access the assigned WMC
for ( int i = 0; i < files.length; i++ ) {
String name = files[i].getName();
if ( name.endsWith( AbstractPortletPerform.CURRENT_WMC + ".xml") ) {
int pos = name.lastIndexOf( '.' );
name = name.substring( 0, pos );
ViewContext vc = null;
try {
vc = WebMapContextFactory.createViewContext( files[i].toURL(), null, null );
} catch (Exception e) {
e.printStackTrace();
}
ses.setAttribute( name, vc );
}
}
}
}
/* ********************************************************************
Changes to this class. What the people have been up to:
$Log: LoginUser.java,v $
Revision 1.8 2006/10/23 14:54:23 poth
never thrown exceptions removed
Revision 1.7 2006/10/20 15:45:09 plum
deleted systemout
Revision 1.6 2006/10/20 15:27:10 plum
ap: bug fix after API change for automatic context loading
Revision 1.5 2006/10/20 12:44:00 poth
*** empty log message ***
Revision 1.4 2006/10/12 15:46:19 poth
adaption required to avoid allocating larger amounts of memory for each user session when using several WMC documents
Revision 1.3 2006/08/24 12:15:52 poth
Web Map Context Factory prepared to use User name/password and/or a sessionID requesting resources (Layer)
Revision 1.2 2006/07/12 14:33:27 poth
comment added
Revision 1.1 2006/07/12 14:15:27 poth
initial login of basis class for handle portal/portlet logins
********************************************************************** */