    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.IOException;
    040    import java.net.URL;
    041
    042    import org.deegree.enterprise.control.ajax.AbstractListener;
    043    import org.deegree.enterprise.control.ajax.WebEvent;
    044    import org.deegree.framework.log.ILogger;
    045    import org.deegree.framework.log.LoggerFactory;
    046    import org.deegree.framework.xml.XMLFragment;
    047    import org.xml.sax.SAXException;
    048
    049    /**
    050     *
    051     *
    052     *
    053     * @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
    054     * @author last edited by: $Author: apoth $
    055     *
    056     * @version $Revision: 25435 $, $Date: 2010-07-19 15:57:51 +0200 (Mo, 19. Jul 2010) $
    057     */
    058    abstract class AbstractMetadataListener extends AbstractListener {
    059
    060        private static final ILogger LOG = LoggerFactory.getLogger( AbstractMetadataListener.class );
    061
    062        private static final String CONFIG = "CONFIGURATION";
    063
    064        public static final String SEARCHRESULTINFO = "SEARCHRESULTINFO";
    065
    066        public static final String CURRENTSEARCH = "CURRENTSEARCH";
    067
    068        public static final String COUNTER = "COUNTER";
    069
    070        private static CatalogueManagerConfiguration config;
    071
    072        /**
    073         *
    074         * @param event
    075         * @return configuration of the metadata editor
    076         * @throws IOException
    077         */
    078        CatalogueManagerConfiguration getCatalogueManagerConfiguration( WebEvent event )
    079                                throws IOException {
    080            config = (CatalogueManagerConfiguration) event.getSession().getAttribute( CONFIG );
    081            if ( config == null ) {
    082                config = loadConfiguration( event );
    083                event.getSession().setAttribute( CONFIG, config );
    084            }
    085            return config;
    086        }
    087
    088        private CatalogueManagerConfiguration loadConfiguration( WebEvent event )
    089                                throws IOException {
    090            if ( config == null ) {
    091                URL url = new File( event.getAbsolutePath( "WEB-INF/conf/cataloguemanager/cataloguemanager.xml" ) ).toURI().toURL();
    092                try {
    093                    config = new CatalogueManagerConfiguration( url );
    094                } catch ( Exception e ) {
    095                    e.printStackTrace();
    096                    throw new IOException( e.getMessage() );
    097                }
    098            }
    099            return config;
    100        }
    101
    102        /**
    103         *
    104         * @param conf
    105         * @param hlevel
    106         * @return metadata template for passed hierarchy level
    107         * @throws IOException
    108         * @throws SAXException
    109         */
    110        protected XMLFragment loadMetadataTemplate( CatalogueManagerConfiguration conf, String hlevel )
    111                                throws IOException, SAXException {
    112
    113            String tmp = conf.getTemplateURL( hlevel );
    114            URL url = conf.resolve( tmp );
    115            LOG.logDebug( "reading template for hierarchylevel: " + hlevel + ": ", url );
    116            return new XMLFragment( url );
    117        }
    118
    119    }