001 //$HeadURL: svn+ssh://rbezema@svn.wald.intevation.org/deegree/base/branches/2.2_testing/src/org/deegree/ogcwebservices/wpvs/configuration/LocalWMSDataSource.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.awt.Color;
047 import java.io.IOException;
048 import java.net.URL;
049 import java.util.Map;
050 import java.util.concurrent.ConcurrentHashMap;
051
052 import org.deegree.datatypes.QualifiedName;
053 import org.deegree.framework.xml.InvalidConfigurationException;
054 import org.deegree.i18n.Messages;
055 import org.deegree.model.spatialschema.Surface;
056 import org.deegree.ogcwebservices.OGCWebService;
057 import org.deegree.ogcwebservices.OGCWebServiceException;
058 import org.deegree.ogcwebservices.wms.WMServiceFactory;
059 import org.deegree.ogcwebservices.wms.configuration.WMSConfigurationDocument;
060 import org.deegree.ogcwebservices.wms.configuration.WMSConfigurationType;
061 import org.deegree.ogcwebservices.wms.operation.GetMap;
062 import org.deegree.ogcwebservices.wpvs.capabilities.OWSCapabilities;
063 import org.xml.sax.SAXException;
064
065 /**
066 * This class represents a local WMS dataSource object.
067 *
068 * @author <a href="mailto:mays@lat-lon.de">Judit Mays</a>
069 * @author last edited by: $Author: apoth $
070 *
071 * @version $Revision: 9345 $, $Date: 2007-12-27 17:22:25 +0100 (Do, 27 Dez 2007) $
072 *
073 */
074 public class LocalWMSDataSource extends AbstractDataSource {
075
076 private Color[] transparentColors;
077
078 private static Map<URL, WMSConfigurationType> cache = new ConcurrentHashMap<URL, WMSConfigurationType>();
079
080 /**
081 * Creates a new <code>LocalWMSDataSource</code> object from the given parameters.
082 *
083 * @param name
084 * @param owsCapabilities
085 * @param validArea
086 * @param minScaleDenominator
087 * @param maxScaleDenominator
088 * @param filterCondition
089 * @param transparentColors
090 */
091 public LocalWMSDataSource( QualifiedName name, OWSCapabilities owsCapabilities,
092 Surface validArea, double minScaleDenominator,
093 double maxScaleDenominator, GetMap filterCondition,
094 Color[] transparentColors ) {
095
096 super( AbstractDataSource.LOCAL_WMS, name, owsCapabilities, validArea, minScaleDenominator,
097 maxScaleDenominator, filterCondition );
098 this.transparentColors = transparentColors;
099 }
100
101 /**
102 * The <code>filterCondition</code> is a map of key-value-pairs of an incomplete WMSRequest.
103 *
104 * @return Returns the filterCondition as a map of key-value-pairs.
105 */
106 public GetMap getPartialGetMapRequest() {
107 return (GetMap) getFilterCondition();
108 }
109
110 /**
111 * @return Returns the transparentColors.
112 */
113 public Color[] getTransparentColors() {
114 return transparentColors;
115 }
116
117 /**
118 * @throws OGCWebServiceException
119 * @see org.deegree.ogcwebservices.wpvs.configuration.AbstractDataSource#getOGCWebService()
120 */
121 @Override
122 public OGCWebService getOGCWebService()
123 throws OGCWebServiceException {
124 WMSConfigurationType wmsConfig = null;
125 synchronized ( this ) {
126 URL url = getOwsCapabilities().getOnlineResource();
127 wmsConfig = cache.get( url );
128 if ( !cache.containsKey( url ) || wmsConfig == null ) {
129 WMSConfigurationDocument wmsDoc = new WMSConfigurationDocument();
130 try {
131 wmsDoc.load( getOwsCapabilities().getOnlineResource() );
132 wmsConfig = wmsDoc.parseConfiguration();
133 cache.put( url, wmsConfig );
134 } catch ( IOException e ) {
135 throw new OGCWebServiceException(
136 Messages.getMessage(
137 "WPVS_DATASOURCE_CAP_ERROR",
138 toString() )
139 + e.getMessage() );
140 } catch ( SAXException e ) {
141 throw new OGCWebServiceException(
142 Messages.getMessage(
143 "WPVS_DATASOURCE_CAP_ERROR",
144 toString() )
145 + e.getMessage() );
146 } catch ( InvalidConfigurationException e ) {
147 throw new OGCWebServiceException(
148 Messages.getMessage(
149 "WPVS_DATASOURCE_CAP_ERROR",
150 toString() )
151 + e.getMessage() );
152 }
153 }
154 }
155 return WMServiceFactory.getWMSInstance( wmsConfig );
156 }
157
158 }