001 //$HeadURL: https://svn.wald.intevation.org/svn/deegree/base/branches/2.4_testing/src/org/deegree/portal/standard/wms/control/layertree/GetLayersInformationListener.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.wms.control.layertree;
037
038 import java.io.IOException;
039 import java.util.List;
040 import java.util.Map;
041
042 import org.deegree.enterprise.control.ajax.AbstractListener;
043 import org.deegree.enterprise.control.ajax.ResponseHandler;
044 import org.deegree.enterprise.control.ajax.WebEvent;
045 import org.deegree.framework.log.ILogger;
046 import org.deegree.framework.log.LoggerFactory;
047 import org.deegree.portal.Constants;
048 import org.deegree.portal.context.Layer;
049 import org.deegree.portal.context.MMLayer;
050 import org.deegree.portal.context.MapModel;
051 import org.deegree.portal.context.ViewContext;
052 import org.stringtree.json.JSONReader;
053
054 /**
055 * TODO add class documentation here
056 *
057 * @author <a href="mailto:name@deegree.org">Andreas Poth</a>
058 * @author last edited by: $Author: apoth $
059 *
060 * @version $Revision: 21879 $, $Date: 2010-01-12 09:36:59 +0100 (Di, 12. Jan 2010) $
061 */
062 public class GetLayersInformationListener extends AbstractListener {
063
064 private static final ILogger LOG = LoggerFactory.getLogger( GetLayersInformationListener.class );
065
066 @SuppressWarnings("unchecked")
067 @Override
068 public void actionPerformed( WebEvent event, ResponseHandler responseHandler )
069 throws IOException {
070 Map<Object, Object> parameter = event.getParameter();
071 JSONReader reader = new JSONReader();
072 List<String> layerIDs = (List) reader.read( (String)parameter.get( "layers" ) );
073 ViewContext vc = (ViewContext) event.getSession().getAttribute( Constants.CURRENTMAPCONTEXT );
074 MapModel mapModel = vc.getGeneral().getExtension().getMapModel();
075 LayerBean[] layerBeans = new LayerBean[layerIDs.size()];
076 int i = 0;
077 try {
078 for ( String id : layerIDs ) {
079 Layer layer = ( (MMLayer) mapModel.getMapModelEntryByIdentifier( id ) ).getLayer();
080 layerBeans[i++] = new LayerBean( layer.getServer().getTitle(), layer.getName(),
081 layer.getServer().getService() + " " + layer.getServer().getVersion(),
082 layer.getServer().getOnlineResource().toURI().toASCIIString(),
083 layer.getFormatList().getCurrentFormat().getName() );
084
085 }
086 } catch ( Exception e ) {
087 LOG.logError( e );
088 responseHandler.writeAndClose( "ERROR: " + e.getMessage() );
089 return;
090 }
091 responseHandler.writeAndClose( false, layerBeans );
092
093 }
094
095 }