001    //$HeadURL: svn+ssh://rbezema@svn.wald.intevation.org/deegree/base/tags/2.1/src/org/deegree/ogcwebservices/csw/CSWFactory.java $
002    /*----------------    FILE HEADER  ------------------------------------------
003    
004     This file is part of deegree.
005     Copyright (C) 2001-2006 by:
006     EXSE, Department of Geography, University of Bonn
007     http://www.giub.uni-bonn.de/deegree/
008     lat/lon GmbH
009     http://www.lat-lon.de
010    
011     This library is free software; you can redistribute it and/or
012     modify it under the terms of the GNU Lesser General Public
013     License as published by the Free Software Foundation; either
014     version 2.1 of the License, or (at your option) any later version.
015    
016     This library is distributed in the hope that it will be useful,
017     but WITHOUT ANY WARRANTY; without even the implied warranty of
018     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
019     Lesser General Public License for more details.
020    
021     You should have received a copy of the GNU Lesser General Public
022     License along with this library; if not, write to the Free Software
023     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
024    
025     Contact:
026    
027     Andreas Poth
028     lat/lon GmbH
029     Aennchenstr. 19
030     53115 Bonn
031     Germany
032     E-Mail: poth@lat-lon.de
033    
034     Prof. Dr. Klaus Greve
035     Department of Geography
036     University of Bonn
037     Meckenheimer Allee 166
038     53115 Bonn
039     Germany
040     E-Mail: greve@giub.uni-bonn.de
041    
042     
043     ---------------------------------------------------------------------------*/
044    
045    package org.deegree.ogcwebservices.csw;
046    
047    import java.io.IOException;
048    import java.net.URL;
049    
050    import org.deegree.framework.log.ILogger;
051    import org.deegree.framework.log.LoggerFactory;
052    import org.deegree.framework.xml.InvalidConfigurationException;
053    import org.deegree.ogcwebservices.OGCWebServiceException;
054    import org.deegree.ogcwebservices.csw.configuration.CatalogueConfiguration;
055    import org.xml.sax.SAXException;
056    
057    /**
058     * Service factory to create a catalog service.
059     * 
060     * @author <a href="mailto:tfr@users.sourceforge.net">Torsten Friebe </a>
061     * @author <a href="mailto:mschneider@lat-lon.de">Markus Schneider </a>
062     * 
063     * @author last edited by: $Author: bezema $
064     * 
065     * @version 2.0, $Revision: 6259 $, $Date: 2007-03-20 10:15:15 +0100 (Di, 20 Mär 2007) $
066     * 
067     * @todo all instances of the service should be pooled.
068     * @todo Usage of {@link org.deegree.ogcwebservices.OGCServiceFaxctoy OGC service factory}
069     */
070    
071    public final class CSWFactory {
072    
073       
074        private static CatalogueConfiguration CONFIG;
075    
076        private static final ILogger LOG = LoggerFactory.getLogger(CSWFactory.class);
077    
078        //  @todo the factory has a pool of service instances
079    
080        /**
081         * Hidden constructur
082         *  
083         */
084        private CSWFactory() {
085            // nothing to do
086        }
087    
088        /**
089         * must be synchronized
090         * @param catalogConfiguration 
091         *  
092         */
093        public static void setConfiguration( CatalogueConfiguration catalogConfiguration) {
094            CONFIG = catalogConfiguration;
095            
096            // if service instance are already created
097            // destroy all instances
098            // create new service instances and put in pool
099    
100            LOG.logInfo(CONFIG.getServiceIdentification().getServiceType().getCode()
101                    + " (" + CONFIG.getVersion() + ") service pool initialized.");
102    
103        }
104    
105        /**
106         * @param serviceConfigurationUrl
107         * @throws InvalidConfigurationException
108         */
109        public static void setConfiguration(URL serviceConfigurationUrl)
110                throws InvalidConfigurationException {
111            try {
112                CSWFactory.setConfiguration(CatalogueConfiguration
113                        .createConfiguration( serviceConfigurationUrl ) );
114            } catch (IOException e) {
115                LOG.logError(e.getMessage(), e);
116                throw new InvalidConfigurationException("CSWFactory", e.getMessage());
117            } catch (SAXException e) {
118                LOG.logError(e.getMessage(), e);
119                throw new InvalidConfigurationException("CSWFactory", e.getMessage());
120            }
121    
122        }
123    
124        /**
125         * 
126         * @return
127         * @throws OGCWebServiceException 
128         * 
129         * @TODO
130         */
131        public static CatalogueService getService() throws OGCWebServiceException {
132            if (CONFIG == null) {
133                    throw new OGCWebServiceException( CSWFactory.class.getName(),
134                                                      "CSW has no configuration" );
135            }
136            // get an instance of the service from the pool
137            return CatalogueService.create( CONFIG ); // @TODO get instance from pool
138        }
139    
140        /**
141         * @param config
142         * @return
143         * @throws OGCWebServiceException
144         */
145        public static CatalogueService getUncachedService(CatalogueConfiguration config) throws OGCWebServiceException {
146            return CatalogueService.create( config );
147        }
148    
149        /**
150         * 
151         */
152        public static void reset() {
153            // stop all service instances
154            // clear pool
155        }
156    
157    }
158    
159    /*********************************************************************
160     * <code>
161    Changes to this class. What the people have been up to:
162    
163    $Log$
164    Revision 1.15  2007/03/19 11:02:06  wanhoff
165    Fixed Javadoc (@param, @throws)
166    
167    Revision 1.14  2006/07/12 14:46:18  poth
168    comment footer added
169    
170    </code>
171    ********************************************************************** */