001 //$HeadURL: svn+ssh://rbezema@svn.wald.intevation.org/deegree/base/branches/2.2_testing/src/org/deegree/ogcwebservices/wpvs/configuration/RemoteWFSDataSource.java $
002 /*---------------- FILE HEADER ------------------------------------------
003
004 This file is part of deegree.
005 Copyright (C) 2001-2008 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 Aennchenstraße 19
030 53177 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 package org.deegree.ogcwebservices.wpvs.configuration;
045
046 import java.io.IOException;
047 import java.net.URL;
048 import java.util.Map;
049 import java.util.concurrent.ConcurrentHashMap;
050
051 import org.deegree.datatypes.QualifiedName;
052 import org.deegree.i18n.Messages;
053 import org.deegree.model.filterencoding.Filter;
054 import org.deegree.model.spatialschema.Surface;
055 import org.deegree.ogcbase.PropertyPath;
056 import org.deegree.ogcwebservices.OGCWebService;
057 import org.deegree.ogcwebservices.OGCWebServiceException;
058 import org.deegree.ogcwebservices.wfs.RemoteWFService;
059 import org.deegree.ogcwebservices.wfs.capabilities.WFSCapabilities;
060 import org.deegree.ogcwebservices.wfs.capabilities.WFSCapabilitiesDocument;
061 import org.deegree.ogcwebservices.wpvs.capabilities.OWSCapabilities;
062 import org.xml.sax.SAXException;
063
064 /**
065 * This class represents a remote WFS dataSource object.
066 *
067 * @author <a href="mailto:mays@lat-lon.de">Judit Mays</a>
068 * @author last edited by: $Author: apoth $
069 *
070 * $Revision: 9345 $, $Date: 2007-12-27 17:22:25 +0100 (Do, 27 Dez 2007) $
071 *
072 */
073 public class RemoteWFSDataSource extends LocalWFSDataSource {
074
075 // private static final ILogger LOG = LoggerFactory.getLogger( RemoteWFSDataSource.class );
076 private static Map<URL, WFSCapabilities> cache = new ConcurrentHashMap<URL, WFSCapabilities>();
077
078 /**
079 * Creates a new <code>RemoteWFSDataSource</code> object from the given parameters.
080 *
081 * @param name
082 * @param owsCapabilities
083 * @param validArea
084 * @param minScaleDenominator
085 * @param maxScaleDenominator
086 * @param geometryProperty
087 * @param filterCondition
088 * @param maxFeatures
089 */
090 public RemoteWFSDataSource( QualifiedName name, OWSCapabilities owsCapabilities,
091 Surface validArea, double minScaleDenominator,
092 double maxScaleDenominator, PropertyPath geometryProperty,
093 Filter filterCondition, int maxFeatures) {
094
095 super( name, owsCapabilities, validArea, minScaleDenominator, maxScaleDenominator,
096 geometryProperty, filterCondition, maxFeatures );
097 setServiceType( REMOTE_WFS );
098
099 }
100
101 @Override
102 public OGCWebService getOGCWebService()
103 throws OGCWebServiceException {
104 WFSCapabilities wfsCapabilities = null;
105 synchronized ( this ) {
106 URL url = getOwsCapabilities().getOnlineResource();
107 wfsCapabilities = cache.get( url );
108 if ( !cache.containsKey( url ) || wfsCapabilities == null ) {
109 WFSCapabilitiesDocument wfsCapsDoc = new WFSCapabilitiesDocument();
110 try {
111 wfsCapsDoc.load( url );
112 wfsCapabilities = (WFSCapabilities) wfsCapsDoc.parseCapabilities();
113 cache.put( url, wfsCapabilities );
114 } catch ( IOException e ) {
115 throw new OGCWebServiceException(
116 Messages.getMessage(
117 "WPVS_DATASOURCE_CAP_ERROR",
118 toString() )
119 + e.getMessage() );
120 } catch ( SAXException e ) {
121 throw new OGCWebServiceException(
122 Messages.getMessage(
123 "WPVS_DATASOURCE_CAP_ERROR",
124 toString() )
125 + e.getMessage() );
126 }
127 }
128
129 }
130 return new RemoteWFService( wfsCapabilities );
131 }
132
133 }