    001    //$HeadURL: https://svn.wald.intevation.org/svn/deegree/base/branches/2.4_testing/src/org/deegree/portal/standard/gazetteer/LoadHierarchyListListener.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.standard.gazetteer;
    037
    038    import java.io.IOException;
    039    import java.util.List;
    040
    041    import org.deegree.enterprise.control.ajax.ResponseHandler;
    042    import org.deegree.enterprise.control.ajax.WebEvent;
    043    import org.deegree.framework.log.ILogger;
    044    import org.deegree.framework.log.LoggerFactory;
    045    import org.deegree.portal.Constants;
    046    import org.deegree.portal.context.Module;
    047    import org.deegree.portal.context.ViewContext;
    048
    049    /**
    050     * TODO add class documentation here
    051     *
    052     * @author <a href="mailto:name@deegree.org">Andreas Poth</a>
    053     * @author last edited by: $Author: apoth $
    054     *
    055     * @version $Revision: 21565 $, $Date: 2009-12-21 15:02:38 +0100 (Mo, 21. Dez 2009) $
    056     */
    057    public class LoadHierarchyListListener extends AbstractGazetteerListener {
    058
    059        private static ILogger LOG = LoggerFactory.getLogger( LoadHierarchyListListener.class );
    060
    061        /*
    062         * (non-Javadoc)
    063         *
    064         * @see
    065         * org.deegree.enterprise.control.ajax.AbstractListener#actionPerformed(org.deegree.enterprise.control.ajax.WebEvent
    066         * , org.deegree.enterprise.control.ajax.ResponseHandler)
    067         */
    068        public void actionPerformed( WebEvent event, ResponseHandler responseHandler )
    069                                throws IOException {
    070
    071            ViewContext vc = (ViewContext) event.getSession().getAttribute( Constants.CURRENTMAPCONTEXT );
    072            Module[] modules = vc.getGeneral().getExtension().getFrontend().getModulesByName( "Gazetteer" );
    073            // just one gazetteer module is allowed to be contained in an instance of iGeoPortal
    074            List<Hierarchy> hierarchies;
    075            try {
    076                hierarchies = loadHierarchiesDefinitions( modules[0].getParameter() );
    077            } catch ( Exception e ) {
    078                LOG.logError( e );
    079                responseHandler.writeAndClose( "ERROR: can not load hierarchy list" );
    080                return;
    081            }
    082            String[] hierarchyNames = new String[hierarchies.size()];
    083            for ( int i = 0; i < hierarchyNames.length; i++ ) {
    084                hierarchyNames[i] = hierarchies.get( i ).getName();
    085            }
    086            responseHandler.writeAndClose( false, hierarchyNames );
    087        }
    088
    089    }