Application: gvSIG desktop

package org.gvsig.publish.mapserver.model.wcs;

import java.awt.geom.Rectangle2D;

import org.gvsig.publish.infoproject.IDataSourceInfo;

import org.gvsig.publish.infoproject.ILayerInfo;

import org.gvsig.publish.infoproject.datasources.IFileInfo;

import org.gvsig.publish.infoproject.datasources.IRasterDSInfo;

import org.gvsig.publish.mapserver.conf.MapFile.CRS;

import org.gvsig.publish.mapserver.conf.MapFile.ConfigFile;

import org.gvsig.publish.mapserver.conf.MapFile.MapLayer;

import org.gvsig.publish.mapserver.conf.MapFile.ShpLayer;

import org.gvsig.publish.mapserver.model.Mapserver;

import org.gvsig.publish.ogcmetadata.CommonOGCMetadata;

import org.gvsig.publish.serversmodel.PublishException;

import org.gvsig.publish.serversmodel.RemoteResource;

import com.iver.utiles.XMLEntity;

public class MapserverWCSLayer extends RemoteResource {

        public final static String MAPSERVER_WCS_LAYER="mapserver_wcs_layer";

        /*

         * Properties

         */

        private CommonOGCMetadata ogcMetadata = null;

        /**

         * Constructor

         * 

         * @param service

         */

        public MapserverWCSLayer(MapserverWCS service) {

                super(service);

                ogcMetadata = new CommonOGCMetadata();

        }

        /**

         * @return string which identifies the remote resource

         */

        public String getType() {

                return MAPSERVER_WCS_LAYER;

        }

        public CommonOGCMetadata getOgcMetadata() {

                return ogcMetadata;

        }

        public void setOgcMetadata(CommonOGCMetadata ogcMetadata) {

                this.ogcMetadata = ogcMetadata;

        }        

        public String toString() {                

                return getLayerInfo().getTitle();

        }

        /**

         * Initializes the remote resource name and title with the name and title of the layer

         */

        public void setLayerInfo(ILayerInfo layerInfo) {

                super.setLayerInfo(layerInfo);

                getOgcMetadata().setName(getLayerInfo().getName());

                getOgcMetadata().setTitle(getLayerInfo().getTitle());

        }

        public XMLEntity getXMLEntity() {

                XMLEntity xml=super.getXMLEntity();

                //put the specific properties

                //put ogcmetadata

                ogcMetadata.addXMLEntity(xml);                

                return xml;

        }

        public void setXMLEntity(XMLEntity xml) {

                super.setXMLEntity(xml);                                                

                //set ogcmetadata                

                ogcMetadata.setXMLEntity(xml);                

        }

        public void publish() throws PublishException {        

                IDataSourceInfo dataSource = getLayerInfo().getDataSource();

                if (dataSource == null){

                        //TODO: I must put a exception

                        return;

                }

                if (dataSource.getDataType() == IDataSourceInfo.RASTER_DATA){

                        generateRasterLayer(dataSource);

                }

                //publish all its childs                

                super.publish();

        }

        private void generateRasterLayer(IDataSourceInfo ds){

                //get the mapfile

                ConfigFile mapfile = ((Mapserver)getService().getServer()).getConfigFile();

                //get the raster info

                IRasterDSInfo iraster = (IRasterDSInfo)ds;

                //get the file  info 

                IFileInfo ifile = (IFileInfo)ds;

                //LAYER

                ShpLayer lyr = new ShpLayer();

                lyr.name = getOgcMetadata().getName();

                lyr.data = ifile.getAbsolutePath(); 

                lyr.type = "RASTER";

                lyr.dump = true;

                lyr.transparency = getLayerInfo().getOpacityPercent();

                //PROJECTION

                lyr.layercrs = new CRS(ds.getCRS(),true);                                                                

                //METADATA

                generateMetadata(lyr);

                //adds the layer into the map

                mapfile.add(lyr);                

        }

        /**

         * Generates the METADATA object

         * @param mapLayer

         */

        private void generateMetadata(MapLayer mapLayer){

                //add metadata

                mapLayer.metadata.wcs_name = getOgcMetadata().getName();

                mapLayer.metadata.wcs_label = getOgcMetadata().getTitle();

                mapLayer.metadata.wcs_description = getOgcMetadata().getAbstract();

                Rectangle2D aux = getLayerInfo().getBBox();

                String bbox = aux.getMinX() + " " + aux.getMinY() + " " + aux.getMaxX() + " " + aux.getMaxY();

                //mapLayer.metadata.wcs_extent = bbox;        

                mapLayer.metadata.wcs_srs= getLayerInfo().getDataSource().getCRS();

                mapLayer.metadata.wcs_rangeset_axes = "bands";

        }

}