001    //$HeadURL: 
002    /*----------------------------------------------------------------------------
003     This file is part of deegree, http://deegree.org/
004     Copyright (C) 2001-2010 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.cataloguemanager.control;
037    
038    import java.io.File;
039    import java.io.FilenameFilter;
040    import java.io.IOException;
041    import java.util.ArrayList;
042    import java.util.List;
043    
044    import javax.servlet.ServletException;
045    import javax.servlet.http.HttpServletRequest;
046    import javax.servlet.http.HttpServletResponse;
047    
048    import org.deegree.enterprise.control.ajax.ResponseHandler;
049    import org.deegree.enterprise.control.ajax.WebEvent;
050    import org.deegree.framework.log.ILogger;
051    import org.deegree.framework.log.LoggerFactory;
052    import org.deegree.framework.xml.NamespaceContext;
053    import org.deegree.framework.xml.XMLFragment;
054    import org.deegree.framework.xml.XMLTools;
055    import org.deegree.ogcbase.CommonNamespaces;
056    
057    /**
058     * 
059     * 
060     * 
061     * @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
062     * @author last edited by: $Author: apoth $
063     * 
064     * @version $Revision: 27361 $, $Date: 2010-10-18 20:38:36 +0200 (Mo, 18 Okt 2010) $
065     */
066    public class GetTemplateListListener extends AbstractMetadataListener {
067    
068        private static final ILogger LOG = LoggerFactory.getLogger( GetMetadataListListener.class );
069    
070        private static NamespaceContext nsc = CommonNamespaces.getNamespaceContext();
071    
072        /*
073         * (non-Javadoc)
074         * 
075         * @see org.deegree.portal.cataloguemanager.control.AbstractMetadataListener#actionPerformed(
076         * org.deegree.enterprise.control.ajax.WebEvent, org.deegree.portal.cataloguemanager.control.ResponseHandler)
077         */
078        public void actionPerformed( WebEvent event, ResponseHandler responseHandler )
079                                throws IOException {
080            List<String[]> rows = new ArrayList<String[]>();
081            CatalogueManagerConfiguration config = getCatalogueManagerConfiguration( event );
082            String templateDirectory = config.getTemplateDirectory();
083            templateDirectory = event.getAbsolutePath( templateDirectory );
084            File[] templates = new File( templateDirectory ).listFiles( new FilenameFilter() {
085    
086                public boolean accept( File dir, String name ) {
087                    return name != null && name.toLowerCase().endsWith( ".xml" );
088                }
089            } );
090    
091            try {
092                for ( File file : templates ) {
093                    XMLFragment xml = new XMLFragment( file.toURL() );
094                    String[] s = new String[3];
095                    s[0] = file.getAbsolutePath();
096                    String xpath = "./gmd:identificationInfo/gmd:MD_DataIdentification/gmd:citation/gmd:CI_Citation/gmd:title/gco:CharacterString";
097                    s[1] = XMLTools.getNodeAsString( xml.getRootElement(), xpath, nsc, "" );
098                    xpath = "./gmd:identificationInfo/gmd:MD_DataIdentification/gmd:abstract/gco:CharacterString";
099                    s[2] = XMLTools.getNodeAsString( xml.getRootElement(), xpath, nsc, "" );
100                    rows.add( s );
101    
102                }
103            } catch ( Exception e ) {
104                LOG.logError( e );
105                throw new IOException( e.getMessage() );
106            }
107    
108            HttpServletRequest request = ( (HttpServletRequest) event.getSource() );
109            request.setAttribute( "TEMPLATES", rows );
110    
111            try {
112                HttpServletResponse resp = responseHandler.getHttpServletResponse();
113                // result page uses UTF-8 encoding
114                resp.setCharacterEncoding( "UTF-8" );
115                request.getRequestDispatcher( '/' + getNextPage() ).forward( request, resp );
116            } catch ( ServletException e ) {
117                throw new IOException( e.getMessage() );
118            }
119        }
120    
121    }