    001    //$HeadURL: $
    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
    037    package org.deegree.ogcwebservices.wcts;
    038
    039    import java.io.IOException;
    040    import java.net.URL;
    041
    042    import org.deegree.framework.log.ILogger;
    043    import org.deegree.framework.log.LoggerFactory;
    044    import org.deegree.ogcbase.ExceptionCode;
    045    import org.deegree.ogcwebservices.OGCWebServiceException;
    046    import org.deegree.ogcwebservices.getcapabilities.InvalidCapabilitiesException;
    047    import org.deegree.ogcwebservices.wcts.configuration.WCTSConfiguration;
    048    import org.deegree.ogcwebservices.wcts.configuration.WCTSConfigurationDocument;
    049    import org.xml.sax.SAXException;
    050
    051    /**
    052     * <code>WCTServiceFactory</code> a convenience class to create and receive a
    053     * {@link WCTSConfiguration} instance.
    054     *
    055     * @author <a href="mailto:bezema@lat-lon.de">Rutger Bezema</a>
    056     *
    057     * @author last edited by: $Author:$
    058     *
    059     * @version $Revision:$, $Date:$
    060     *
    061     */
    062    public class WCTServiceFactory {
    063        private static ILogger LOG = LoggerFactory.getLogger( WCTServiceFactory.class );
    064
    065        private static WCTSConfiguration CONFIG;
    066
    067        private WCTServiceFactory() {
    068            // do nottin
    069        }
    070
    071        /**
    072         * @param configURL
    073         *            to read the configuration from.
    074         */
    075        public static synchronized void setConfiguration( URL configURL ) {
    076            if ( configURL != null ) {
    077                try {
    078                    WCTSConfigurationDocument doc = new WCTSConfigurationDocument( configURL );
    079                    CONFIG = doc.parseConfiguration();
    080                } catch ( IOException e ) {
    081                    LOG.logError( e.getMessage(), e );
    082                } catch ( SAXException e ) {
    083                    LOG.logError( e.getMessage(), e );
    084                } catch ( InvalidCapabilitiesException e ) {
    085                    LOG.logError( e.getMessage(), e );
    086                }
    087            }
    088        }
    089
    090        /**
    091         * @return the configuration
    092         * @throws OGCWebServiceException
    093         *             if no configuration has been created yet.
    094         */
    095        public static synchronized WCTSConfiguration getConfiguration()
    096                                throws OGCWebServiceException {
    097            if ( CONFIG == null ) {
    098                throw new OGCWebServiceException( "Configuration has not been initialized yet",
    099                                                  ExceptionCode.INTERNAL_SERVER_ERROR );
    100            }
    101            return CONFIG;
    102        }
    103
    104        /**
    105         *
    106         * @return a new {@link WCTService} instance.
    107         * @throws OGCWebServiceException
    108         *             if the configuration was not initialized yet.
    109         */
    110        public static synchronized WCTService createServiceInstance()
    111                                throws OGCWebServiceException {
    112            if ( CONFIG == null ) {
    113                throw new OGCWebServiceException( "Configuration has not been initialized yet",
    114                                                  ExceptionCode.INTERNAL_SERVER_ERROR );
    115            }
    116            return new WCTService( CONFIG );
    117        }
    118
    119    }