001    //$HeadURL: $
002    /*----------------    FILE HEADER  ------------------------------------------
003     This file is part of deegree.
004     Copyright (C) 2001-2008 by:
005     Department of Geography, University of Bonn
006     http://www.giub.uni-bonn.de/deegree/
007     lat/lon GmbH
008     http://www.lat-lon.de
009    
010     This library is free software; you can redistribute it and/or
011     modify it under the terms of the GNU Lesser General Public
012     License as published by the Free Software Foundation; either
013     version 2.1 of the License, or (at your option) any later version.
014     This library is distributed in the hope that it will be useful,
015     but WITHOUT ANY WARRANTY; without even the implied warranty of
016     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
017     Lesser General Public License for more details.
018     You should have received a copy of the GNU Lesser General Public
019     License along with this library; if not, write to the Free Software
020     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
021     Contact:
022    
023     Andreas Poth
024     lat/lon GmbH
025     Aennchenstr. 19
026     53177 Bonn
027     Germany
028     E-Mail: poth@lat-lon.de
029    
030     Prof. Dr. Klaus Greve
031     Department of Geography
032     University of Bonn
033     Meckenheimer Allee 166
034     53115 Bonn
035     Germany
036     E-Mail: greve@giub.uni-bonn.de
037     ---------------------------------------------------------------------------*/
038    
039    package org.deegree.ogcwebservices.wcts;
040    
041    import java.io.IOException;
042    import java.net.URL;
043    
044    import org.deegree.framework.log.ILogger;
045    import org.deegree.framework.log.LoggerFactory;
046    import org.deegree.ogcbase.ExceptionCode;
047    import org.deegree.ogcwebservices.OGCWebServiceException;
048    import org.deegree.ogcwebservices.getcapabilities.InvalidCapabilitiesException;
049    import org.deegree.ogcwebservices.wcts.configuration.WCTSConfiguration;
050    import org.deegree.ogcwebservices.wcts.configuration.WCTSConfigurationDocument;
051    import org.xml.sax.SAXException;
052    
053    /**
054     * <code>WCTServiceFactory</code> a convenience class to create and receive a {@link WCTSConfiguration} instance.
055     * 
056     * @author <a href="mailto:bezema@lat-lon.de">Rutger Bezema</a>
057     * 
058     * @author last edited by: $Author:$
059     * 
060     * @version $Revision:$, $Date:$
061     * 
062     */
063    public class WCTServiceFactory {
064        private static ILogger LOG = LoggerFactory.getLogger( WCTServiceFactory.class );
065    
066        private static WCTSConfiguration CONFIG;
067    
068        private WCTServiceFactory() {
069            // do nottin
070        }
071    
072        /**
073         * @param configURL
074         *            to read the configuration from.
075         */
076        public static synchronized void setConfiguration( URL configURL ) {
077            if ( configURL != null ) {
078                try {
079                    WCTSConfigurationDocument doc = new WCTSConfigurationDocument( configURL );
080                    CONFIG = doc.parseConfiguration();
081                } catch ( IOException e ) {
082                    LOG.logError( e.getMessage(), e );
083                } catch ( SAXException e ) {
084                    LOG.logError( e.getMessage(), e );
085                } catch ( InvalidCapabilitiesException e ) {
086                    LOG.logError( e.getMessage(), e );
087                }
088            }
089        }
090    
091        /**
092         * @return the configuration
093         * @throws OGCWebServiceException
094         *             if no configuration has been created yet.
095         */
096        public static synchronized WCTSConfiguration getConfiguration()
097                                                                       throws OGCWebServiceException {
098            if ( CONFIG == null ) {
099                throw new OGCWebServiceException( "Configuration has not been initialized yet",
100                                                  ExceptionCode.INTERNAL_SERVER_ERROR );
101            }
102            return CONFIG;
103        }
104    
105        /**
106         * 
107         * @param wfsConfiguration
108         * @return
109         * @throws OGCWebServiceException
110         */
111        public static synchronized WCTService createServiceInstance()
112                                                                     throws OGCWebServiceException {
113            if ( CONFIG == null ) {
114                throw new OGCWebServiceException( "Configuration has not been initialized yet",
115                                                  ExceptionCode.INTERNAL_SERVER_ERROR );
116            }
117            return new WCTService( CONFIG );
118        }
119    
120    }