001 //$HeadURL: svn+ssh://jwilden@svn.wald.intevation.org/deegree/base/branches/2.5_testing/src/org/deegree/ogcwebservices/wpvs/configuration/RemoteWFSDataSource.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.wpvs.configuration;
038
039 import java.io.IOException;
040 import java.net.URL;
041 import java.util.Map;
042 import java.util.concurrent.ConcurrentHashMap;
043
044 import org.deegree.datatypes.QualifiedName;
045 import org.deegree.i18n.Messages;
046 import org.deegree.model.filterencoding.Filter;
047 import org.deegree.model.spatialschema.Surface;
048 import org.deegree.ogcbase.PropertyPath;
049 import org.deegree.ogcwebservices.OGCWebService;
050 import org.deegree.ogcwebservices.OGCWebServiceException;
051 import org.deegree.ogcwebservices.wfs.RemoteWFService;
052 import org.deegree.ogcwebservices.wfs.capabilities.WFSCapabilities;
053 import org.deegree.ogcwebservices.wfs.capabilities.WFSCapabilitiesDocument;
054 import org.deegree.ogcwebservices.wpvs.capabilities.OWSCapabilities;
055 import org.xml.sax.SAXException;
056
057 /**
058 * This class represents a remote WFS dataSource object.
059 *
060 * @author <a href="mailto:mays@lat-lon.de">Judit Mays</a>
061 * @author last edited by: $Author: mschneider $
062 *
063 * $Revision: 18195 $, $Date: 2009-06-18 17:55:39 +0200 (Do, 18 Jun 2009) $
064 *
065 */
066 public class RemoteWFSDataSource extends LocalWFSDataSource {
067
068 // private static final ILogger LOG = LoggerFactory.getLogger( RemoteWFSDataSource.class );
069 private static Map<URL, WFSCapabilities> cache = new ConcurrentHashMap<URL, WFSCapabilities>();
070
071 /**
072 * Creates a new <code>RemoteWFSDataSource</code> object from the given parameters.
073 *
074 * @param name
075 * @param owsCapabilities
076 * @param validArea
077 * @param minScaleDenominator
078 * @param maxScaleDenominator
079 * @param geometryProperty
080 * @param filterCondition
081 * @param maxFeatures
082 */
083 public RemoteWFSDataSource( QualifiedName name, OWSCapabilities owsCapabilities,
084 Surface validArea, double minScaleDenominator,
085 double maxScaleDenominator, PropertyPath geometryProperty,
086 Filter filterCondition, int maxFeatures) {
087
088 super( name, owsCapabilities, validArea, minScaleDenominator, maxScaleDenominator,
089 geometryProperty, filterCondition, maxFeatures );
090 setServiceType( REMOTE_WFS );
091
092 }
093
094 @Override
095 public OGCWebService getOGCWebService()
096 throws OGCWebServiceException {
097 WFSCapabilities wfsCapabilities = null;
098 synchronized ( this ) {
099 URL url = getOwsCapabilities().getOnlineResource();
100 wfsCapabilities = cache.get( url );
101 if ( !cache.containsKey( url ) || wfsCapabilities == null ) {
102 WFSCapabilitiesDocument wfsCapsDoc = new WFSCapabilitiesDocument();
103 try {
104 wfsCapsDoc.load( url );
105 wfsCapabilities = (WFSCapabilities) wfsCapsDoc.parseCapabilities();
106 cache.put( url, wfsCapabilities );
107 } catch ( IOException e ) {
108 throw new OGCWebServiceException(
109 Messages.getMessage(
110 "WPVS_DATASOURCE_CAP_ERROR",
111 toString() )
112 + e.getMessage() );
113 } catch ( SAXException e ) {
114 throw new OGCWebServiceException(
115 Messages.getMessage(
116 "WPVS_DATASOURCE_CAP_ERROR",
117 toString() )
118 + e.getMessage() );
119 }
120 }
121
122 }
123 return new RemoteWFService( wfsCapabilities );
124 }
125
126 }