001 //$HeadURL: https://svn.wald.intevation.org/svn/deegree/base/branches/2.3_testing/src/org/deegree/ogcwebservices/csw/CSWFactory.java $
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.csw;
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.framework.xml.InvalidConfigurationException;
045 import org.deegree.ogcwebservices.OGCWebServiceException;
046 import org.deegree.ogcwebservices.csw.configuration.CatalogueConfiguration;
047 import org.xml.sax.SAXException;
048
049 /**
050 * Service factory to create a catalog service.
051 *
052 * @author <a href="mailto:tfr@users.sourceforge.net">Torsten Friebe </a>
053 * @author <a href="mailto:mschneider@lat-lon.de">Markus Schneider </a>
054 *
055 * @author last edited by: $Author: mschneider $
056 *
057 * @version 2.0, $Revision: 18195 $, $Date: 2009-06-18 17:55:39 +0200 (Do, 18. Jun 2009) $
058 *
059 * @todo all instances of the service should be pooled.
060 */
061
062 public final class CSWFactory {
063
064 private static CatalogueConfiguration CONFIG;
065
066 private static final ILogger LOG = LoggerFactory.getLogger( CSWFactory.class );
067
068 // @todo the factory has a pool of service instances
069
070 /**
071 * Hidden constructur
072 *
073 */
074 private CSWFactory() {
075 // nothing to do
076 }
077
078 /**
079 * must be synchronized
080 *
081 * @param catalogConfiguration
082 *
083 */
084 public synchronized static void setConfiguration( CatalogueConfiguration catalogConfiguration ) {
085 CONFIG = catalogConfiguration;
086
087 // if service instance are already created
088 // destroy all instances
089 // create new service instances and put in pool
090
091 LOG.logInfo( CONFIG.getServiceIdentification().getServiceType().getCode() + " (" + CONFIG.getVersion()
092 + ") service pool initialized." );
093
094 }
095
096 /**
097 * @param serviceConfigurationUrl
098 * @throws InvalidConfigurationException
099 */
100 public synchronized static void setConfiguration( URL serviceConfigurationUrl )
101 throws InvalidConfigurationException {
102 try {
103 CSWFactory.setConfiguration( CatalogueConfiguration.createConfiguration( serviceConfigurationUrl ) );
104 } catch ( IOException e ) {
105 LOG.logError( e.getMessage(), e );
106 throw new InvalidConfigurationException( "CSWFactory", e.getMessage() );
107 } catch ( SAXException e ) {
108 LOG.logError( e.getMessage(), e );
109 throw new InvalidConfigurationException( "CSWFactory", e.getMessage() );
110 }
111
112 }
113
114 /**
115 *
116 * @return a new service
117 * @throws OGCWebServiceException
118 *
119 * @TODO
120 */
121 public synchronized static CatalogueService getService()
122 throws OGCWebServiceException {
123 if ( CONFIG == null ) {
124 throw new OGCWebServiceException( CSWFactory.class.getName(), "CSW has no configuration" );
125 }
126 // get an instance of the service from the pool
127 return CatalogueService.create( CONFIG ); // @TODO get instance from pool
128 }
129
130 /**
131 * @param config
132 * @return a new service
133 * @throws OGCWebServiceException
134 */
135 public synchronized static CatalogueService getUncachedService( CatalogueConfiguration config )
136 throws OGCWebServiceException {
137 return CatalogueService.create( config );
138 }
139
140 /**
141 *
142 */
143 public static void reset() {
144 // stop all service instances
145 // clear pool
146 }
147
148 }