001 //$HeadURL: svn+ssh://jwilden@svn.wald.intevation.org/deegree/base/branches/2.5_testing/src/org/deegree/ogcwebservices/wpvs/configuration/LocalWMSDataSource.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.awt.Color;
040 import java.io.IOException;
041 import java.net.URL;
042 import java.util.Map;
043 import java.util.concurrent.ConcurrentHashMap;
044
045 import org.deegree.datatypes.QualifiedName;
046 import org.deegree.framework.xml.InvalidConfigurationException;
047 import org.deegree.i18n.Messages;
048 import org.deegree.model.spatialschema.Surface;
049 import org.deegree.ogcwebservices.OGCWebService;
050 import org.deegree.ogcwebservices.OGCWebServiceException;
051 import org.deegree.ogcwebservices.wms.WMServiceFactory;
052 import org.deegree.ogcwebservices.wms.configuration.WMSConfigurationDocument;
053 import org.deegree.ogcwebservices.wms.configuration.WMSConfigurationType;
054 import org.deegree.ogcwebservices.wms.operation.GetMap;
055 import org.deegree.ogcwebservices.wpvs.capabilities.OWSCapabilities;
056 import org.xml.sax.SAXException;
057
058 /**
059 * This class represents a local WMS dataSource object.
060 *
061 * @author <a href="mailto:mays@lat-lon.de">Judit Mays</a>
062 * @author last edited by: $Author: mschneider $
063 *
064 * @version $Revision: 18195 $, $Date: 2009-06-18 17:55:39 +0200 (Do, 18 Jun 2009) $
065 *
066 */
067 public class LocalWMSDataSource extends AbstractDataSource {
068
069 private Color[] transparentColors;
070
071 private static Map<URL, WMSConfigurationType> cache = new ConcurrentHashMap<URL, WMSConfigurationType>();
072
073 /**
074 * Creates a new <code>LocalWMSDataSource</code> object from the given parameters.
075 *
076 * @param name
077 * @param owsCapabilities
078 * @param validArea
079 * @param minScaleDenominator
080 * @param maxScaleDenominator
081 * @param filterCondition
082 * @param transparentColors
083 */
084 public LocalWMSDataSource( QualifiedName name, OWSCapabilities owsCapabilities,
085 Surface validArea, double minScaleDenominator,
086 double maxScaleDenominator, GetMap filterCondition,
087 Color[] transparentColors ) {
088
089 super( AbstractDataSource.LOCAL_WMS, name, owsCapabilities, validArea, minScaleDenominator,
090 maxScaleDenominator, filterCondition );
091 this.transparentColors = transparentColors;
092 }
093
094 /**
095 * The <code>filterCondition</code> is a map of key-value-pairs of an incomplete WMSRequest.
096 *
097 * @return Returns the filterCondition as a map of key-value-pairs.
098 */
099 public GetMap getPartialGetMapRequest() {
100 return (GetMap) getFilterCondition();
101 }
102
103 /**
104 * @return Returns the transparentColors.
105 */
106 public Color[] getTransparentColors() {
107 return transparentColors;
108 }
109
110 /**
111 * @throws OGCWebServiceException
112 * @see org.deegree.ogcwebservices.wpvs.configuration.AbstractDataSource#getOGCWebService()
113 */
114 @Override
115 public OGCWebService getOGCWebService()
116 throws OGCWebServiceException {
117 WMSConfigurationType wmsConfig = null;
118 synchronized ( this ) {
119 URL url = getOwsCapabilities().getOnlineResource();
120 wmsConfig = cache.get( url );
121 if ( !cache.containsKey( url ) || wmsConfig == null ) {
122 WMSConfigurationDocument wmsDoc = new WMSConfigurationDocument();
123 try {
124 wmsDoc.load( getOwsCapabilities().getOnlineResource() );
125 wmsConfig = wmsDoc.parseConfiguration();
126 cache.put( url, wmsConfig );
127 } catch ( IOException e ) {
128 throw new OGCWebServiceException(
129 Messages.getMessage(
130 "WPVS_DATASOURCE_CAP_ERROR",
131 toString() )
132 + e.getMessage() );
133 } catch ( SAXException e ) {
134 throw new OGCWebServiceException(
135 Messages.getMessage(
136 "WPVS_DATASOURCE_CAP_ERROR",
137 toString() )
138 + e.getMessage() );
139 } catch ( InvalidConfigurationException e ) {
140 throw new OGCWebServiceException(
141 Messages.getMessage(
142 "WPVS_DATASOURCE_CAP_ERROR",
143 toString() )
144 + e.getMessage() );
145 }
146 }
147 }
148 return WMServiceFactory.getWMSInstance( wmsConfig );
149 }
150
151 }