    001    //$HeadURL: https://svn.wald.intevation.org/svn/deegree/base/branches/2.4_testing/src/org/deegree/ogcwebservices/wms/configuration/RemoteWMSDataSource.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    package org.deegree.ogcwebservices.wms.configuration;
    037
    038    import java.awt.Color;
    039    import java.net.URL;
    040    import java.util.List;
    041    import java.util.Map;
    042
    043    import org.deegree.datatypes.QualifiedName;
    044    import org.deegree.model.spatialschema.Geometry;
    045    import org.deegree.ogcwebservices.OGCWebService;
    046    import org.deegree.ogcwebservices.wms.RemoteWMService;
    047    import org.deegree.ogcwebservices.wms.capabilities.ScaleHint;
    048    import org.deegree.ogcwebservices.wms.capabilities.WMSCapabilities;
    049    import org.deegree.ogcwebservices.wms.operation.GetMap;
    050
    051    /**
    052     * Data source description for a REMOTEWMS datasource
    053     *
    054     * @author <a href="mailto:poth@lat-lon.de">Andreas Poth </a>
    055     * @version $Revision: 18195 $, $Date: 2009-06-18 17:55:39 +0200 (Do, 18. Jun 2009) $
    056     */
    057    public class RemoteWMSDataSource extends AbstractDataSource {
    058
    059        private GetMap getMap = null;
    060
    061        private Color[] transparentColors = null;
    062
    063        private List<String> passedParameters;
    064
    065        private Map<String, String> addedParameters;
    066
    067        /**
    068         * Creates a new DataSource object.
    069         *
    070         * @param querable
    071         * @param failOnException
    072         *
    073         * @param name
    074         *            name of the featuretype to access
    075         * @param type
    076         *            type of the data source (REMOTEWCS, LOCALWCS)
    077         * @param ows
    078         *            <tt>OGCWebService</tt> instance for accessing the data source
    079         * @param capabilitiesURL
    080         * @param scaleHint
    081         *            filter condition
    082         * @param validArea
    083         * @param getMap
    084         * @param transparentColors
    085         * @param featureInfoTransform
    086         * @param reqTimeLimit
    087         * @param passedParameters
    088         *            parameter names to be passed in incoming GetMap requests
    089         * @param addedParameters
    090         *            parameters and values to be added to outgoing GetMap requests
    091         */
    092        public RemoteWMSDataSource( boolean querable, boolean failOnException, QualifiedName name, int type,
    093                                    OGCWebService ows, URL capabilitiesURL, ScaleHint scaleHint, Geometry validArea,
    094                                    GetMap getMap, Color[] transparentColors, URL featureInfoTransform, int reqTimeLimit,
    095                                    List<String> passedParameters, Map<String, String> addedParameters ) {
    096            super( querable, failOnException, name, type, ows, capabilitiesURL, scaleHint, validArea, featureInfoTransform,
    097                   reqTimeLimit, null );
    098            this.getMap = getMap;
    099            this.transparentColors = transparentColors;
    100            this.passedParameters = passedParameters;
    101            this.addedParameters = addedParameters;
    102        }
    103
    104        /**
    105         * returns an instance of a <tt>GetMapRequest</tt> encapsulating the filter conditions against a remote WMS. The
    106         * request object contains: WMTVER, LAYERS, STYLES, FORMAT, TRANSPARENT, VENDORSPECIFICPARAMETERS
    107         *
    108         * @return filter conditions
    109         *
    110         */
    111        public GetMap getGetMapRequest() {
    112            return getMap;
    113        }
    114
    115        /**
    116         * @return an array of colors that shall be treated as transparent
    117         */
    118        public Color[] getTransparentColors() {
    119            return transparentColors;
    120        }
    121
    122        /**
    123         * returns an instance of the <tt>OGCWebService</tt> that represents the datasource. Notice: if more than one layer
    124         * uses data that are offered by the same OWS the deegree WMS shall just use one instance for accessing the OWS
    125         *
    126         */
    127        @Override
    128        public OGCWebService getOGCWebService() {
    129            try {
    130                return new RemoteWMService( (WMSCapabilities) ows.getCapabilities() );
    131            } catch ( Exception ignore ) {
    132                // this is ignored, why?
    133            }
    134            return null;
    135        }
    136
    137        /**
    138         * @return a list of parameter names to be passed from incoming requests
    139         */
    140        public List<String> getPassedParameters() {
    141            return passedParameters;
    142        }
    143
    144        /**
    145         * @return a list of parameters to be added to outgoing requests
    146         */
    147        public Map<String, String> getAddedParameters() {
    148            return addedParameters;
    149        }
    150
    151    }