001 //$HeadURL: svn+ssh://rbezema@svn.wald.intevation.org/deegree/base/branches/2.2_testing/src/org/deegree/ogcwebservices/wms/configuration/RemoteWMSDataSource.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 Aennchenstr. 19
030 53115 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.wms.configuration;
045
046 import java.awt.Color;
047 import java.net.URL;
048 import java.util.List;
049 import java.util.Map;
050
051 import org.deegree.datatypes.QualifiedName;
052 import org.deegree.model.spatialschema.Geometry;
053 import org.deegree.ogcwebservices.OGCWebService;
054 import org.deegree.ogcwebservices.wms.RemoteWMService;
055 import org.deegree.ogcwebservices.wms.capabilities.ScaleHint;
056 import org.deegree.ogcwebservices.wms.capabilities.WMSCapabilities;
057 import org.deegree.ogcwebservices.wms.operation.GetMap;
058
059
060 /**
061 * Data source description for a REMOTEWMS datasource
062 *
063 * @author <a href="mailto:poth@lat-lon.de">Andreas Poth </a>
064 * @version $Revision: 9345 $, $Date: 2007-12-27 17:22:25 +0100 (Do, 27 Dez 2007) $
065 */
066 public class RemoteWMSDataSource extends AbstractDataSource {
067
068 private GetMap getMap = null;
069 private Color[] transparentColors = null;
070
071 private List<String> passedParameters;
072
073 private Map<String, String> addedParameters;
074
075 /**
076 * Creates a new DataSource object.
077 * @param querable
078 * @param failOnException
079 *
080 * @param name
081 * name of the featuretype to access
082 * @param type
083 * type of the data source (REMOTEWCS, LOCALWCS)
084 * @param ows
085 * <tt>OGCWebService</tt> instance for accessing the data
086 * source
087 * @param capabilitiesURL
088 * @param scaleHint
089 * filter condition
090 * @param validArea
091 * @param getMap
092 * @param transparentColors
093 * @param featureInfoTransform
094 * @param reqTimeLimit
095 * @param passedParameters parameter names to be passed in incoming GetMap requests
096 * @param addedParameters parameters and values to be added to outgoing GetMap requests
097 */
098 public RemoteWMSDataSource( boolean querable, boolean failOnException, QualifiedName name,
099 int type, OGCWebService ows, URL capabilitiesURL, ScaleHint scaleHint,
100 Geometry validArea, GetMap getMap, Color[] transparentColors,
101 URL featureInfoTransform, int reqTimeLimit, List<String> passedParameters, Map<String, String> addedParameters ) {
102 super( querable, failOnException, name, type, ows, capabilitiesURL,
103 scaleHint, validArea, featureInfoTransform, reqTimeLimit );
104 this.getMap = getMap;
105 this.transparentColors = transparentColors;
106 this.passedParameters = passedParameters;
107 this.addedParameters = addedParameters;
108 }
109
110 /**
111 * returns an instance of a <tt>GetMapRequest</tt> encapsulating the
112 * filter conditions against a remote WMS. The request object contains:
113 * WMTVER, LAYERS, STYLES, FORMAT, TRANSPARENT, VENDORSPECIFICPARAMETERS
114 *
115 * @return filter conditions
116 *
117 */
118 public GetMap getGetMapRequest() {
119 return getMap;
120 }
121
122 /**
123 * @return an array of colors that shall be treated as transparent
124 */
125 public Color[] getTransparentColors() {
126 return transparentColors;
127 }
128
129 /**
130 * returns an instance of the <tt>OGCWebService</tt> that represents the
131 * datasource. Notice: if more than one layer uses data that are offered by
132 * the same OWS the deegree WMS shall just use one instance for accessing
133 * the OWS
134 *
135 */
136 @Override
137 public OGCWebService getOGCWebService() {
138 try {
139 return new RemoteWMService( (WMSCapabilities)ows.getCapabilities() );
140 } catch (Exception ignore) {
141 // this is ignored, why?
142 }
143 return null;
144 }
145
146 /**
147 * @return a list of parameter names to be passed from incoming requests
148 */
149 public List<String> getPassedParameters() {
150 return passedParameters;
151 }
152
153 /**
154 * @return a list of parameters to be added to outgoing requests
155 */
156 public Map<String, String> getAddedParameters() {
157 return addedParameters;
158 }
159
160 }