Application: gvSIG desktop

/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2004-2006 IVER T.I. and Generalitat Valenciana.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

 *

 * For more information, contact:

 *

 *   Generalitat Valenciana

 *   Conselleria d'Infraestructures i Transport

 *   Av. Blasco Iba?ez, 50

 *   46010 VALENCIA

 *   SPAIN

 *

 *   +34 963862235

 *   gvsig@gva.es

 *   www.gvsig.gva.es

 *

 *    or

 *

 *   IVER T.I. S.A

 *   Salamanca 50

 *   46005 Valencia

 *   Spain

 *

 *   +34 963163400

 *   dac@iver.es

 */

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

import java.net.URL;

import java.util.HashSet;

import java.util.Iterator;

import java.util.Set;

import org.gvsig.publish.PublishLogger;

import org.gvsig.publish.exceptions.PublishException;

import org.gvsig.publish.infoproject.FilterProjectInfo;

import org.gvsig.publish.infoproject.IDataSourceInfo;

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

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

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

import org.gvsig.publish.ogcmetadata.IOGCServiceMetadata;

import org.gvsig.publish.ogcmetadata.OGCServiceMetadata;

import org.gvsig.publish.serversmodel.RemoteResource;

import org.gvsig.publish.serversmodel.Service;

import com.iver.utiles.XMLEntity;

/**

 * This class represents the service WMS implemented by Mapserver.

 * 

 * @author jvhigon

 *

 */

public class MapserverWMS extends Service implements IOGCServiceMetadata {

        public static final String REGISTER_TAG="WMS 1.1.1";

        private FilterProjectInfo filter;        

        private OGCServiceMetadata wmsMetadata = null;

        /**

         * Constructor

         *

         */

        public MapserverWMS(Mapserver mapserver){                

                super(mapserver);

                wmsMetadata = new OGCServiceMetadata();                                

                //initializes de title with the server name and the service type

                setTitle("Mapserver WMS");                

                setName("OGC:WMS");                

                setOnlineResource(getMapServer().getServerURL());

        }                

        private Mapserver getMapServer(){

                //Cast to Mapserver

                Mapserver mapserver = (Mapserver)getServer();

                return mapserver;

        }

        /**

         * Preconditions:

         * the objects config file, map, map.web and map.web.metadata has been created

         */

        public void publish() throws PublishException{

                //publish all the remote resources

                super.publish();

                //gets the mapfile from the server

                ConfigFile mapfile = getMapServer().getConfigFile();

                if (mapfile == null){

                        throw new PublishException("mapfile_not_defined");

                }

                //generates the code into the MAP->WEB->METADATA

                mapfile.web.metadata.wms_title = getTitle();

                mapfile.web.metadata.wms_abstract = getAbstract();                

                if (getOnlineResource() != null){

                        mapfile.web.metadata.wms_onlineresource = getOnlineResource().toString();

                }

                mapfile.web.metadata.wms_encoding ="UTF-8";

                generateSRS();

                generateLegend();

        }

        private void generateSRS() {

                Set set = new HashSet();                

                for (int i= 0; i < getRemoteResourcesCount(); i++){

                        RemoteResource r = getRemoteResource(i);

                        IDataSourceInfo ds;

                        ds = r.getLayerInfo().getDataSource();

                        if (ds != null){

                                String epsg = ds.getEPSG();                        

                                set.add(epsg);

                        }                        

                } 

                Iterator i = set.iterator();

                ConfigFile mapfile = getMapServer().getConfigFile();

                String aux="";

                while (i.hasNext()){

                        aux = aux + " " + (String) i.next();                        

                }                

                mapfile.web.metadata.wms_srs = aux; 

        }

        private void generateLegend(){

                ConfigFile mapfile = getMapServer().getConfigFile();

                mapfile.legend = new MapFile.Legend(); 

                mapfile.legend.status = "ON";

                mapfile.legend.imagecolor = new MapFile.RGB(-1,-1,-1); 

                mapfile.legend.transparent = "ON";

                mapfile.legend.legendlabel = new MapFile.Label();

                mapfile.legend.legendlabel.color = new MapFile.RGB(0,0,0);

                mapfile.legend.legendlabel.encoding = "UTF-8";

                mapfile.legend.legendlabel.font ="vera";

                mapfile.legend.legendlabel.type ="truetype";

                mapfile.legend.legendlabel.size = "8";

        }

        public String getClassName() {

                return "MapserverWMS";

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.publish.serversmodel.Service#getXMLEntity()

         */

        public XMLEntity getXMLEntity() {

                XMLEntity xml=super.getXMLEntity();

                //put version and name 

                xml.setName(getClassName());

                xml.putProperty("version", getVersion());

                //p?t its associations

                XMLEntity child = new XMLEntity();

                child.setName("wmsmetadata");

                child.addChild(wmsMetadata.getXMLEntity());                

                xml.addChild(child);

                return xml;

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.publish.serversmodel.Service#setXMLEntity(com.iver.utiles.XMLEntity)

         */

        public void setXMLEntity(XMLEntity xml) {

                //check version

                int version = xml.getIntProperty("version");

                if (version != getVersion()){

                        PublishLogger.getLog().error("ERROR: " + getClassName()+ ": the version doesn't match!");

                        return;

                }        

                super.setXMLEntity(xml);

                //set associations

                XMLEntity child = xml.firstChild("name","wmsmetadata");

                wmsMetadata.setXMLEntity(child.getChild(0));

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.publish.serversmodel.Service#getFilter()

         */

        public FilterProjectInfo getFilter() {

                if (filter == null){

                        filter = new FilterProjectInfo();

                }

                filter.setGroupedLayersEnabled(true);                

                filter.addAllowedDatasource(IDataSourceInfo.POSTGIS_TYPE);

                filter.addAllowedDatasource(IDataSourceInfo.SHAPE_TYPE);

                filter.addAllowedDatasource(IDataSourceInfo.RASTER_TYPE);

                return filter;

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.publish.ogcmetadata.IOGCWMSMetadata#getOnlineResource()

         */

        public URL getOnlineResource() {                

                return wmsMetadata.getOnlineResource();

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.publish.ogcmetadata.IOGCWMSMetadata#setOnlineResource(java.net.URL)

         */

        public void setOnlineResource(URL url) {

                wmsMetadata.setOnlineResource(url);

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.publish.ogcmetadata.IOGCCommonMetadata#getAbstract()

         */

        public String getAbstract() {                

                return wmsMetadata.getAbstract();

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.publish.ogcmetadata.IOGCCommonMetadata#getName()

         */

        public String getName() {                

                return wmsMetadata.getName();

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.publish.ogcmetadata.IOGCCommonMetadata#setAbstract(java.lang.String)

         */

        public void setAbstract(String description) {

                wmsMetadata.setAbstract(description);                

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.publish.ogcmetadata.IOGCCommonMetadata#setName(java.lang.String)

         */

        public void setName(String name) {

                wmsMetadata.setName(name);

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.publish.ogcmetadata.IOGCCommonMetadata#getTitle()

         */

        public String getTitle() {

                return wmsMetadata.getTitle();

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.publish.ogcmetadata.IOGCCommonMetadata#setTitle(java.lang.String)

         */

        public void setTitle(String title) {

                wmsMetadata.setTitle(title);                

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.publish.serversmodel.Service#getId()

         */

        public String getId() {

                return "mapserver_wms";

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.publish.IPublishPersistence#getVersion()

         */

        public int getVersion() {

                return 1;

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.publish.serversmodel.Service#getRegisterTag()

         */

        public String getRegisterTag() {                

                return REGISTER_TAG;

        }

        /*

         * (non-Javadoc)

         * @see java.lang.Object#toString()

         */

        public String toString(){

                return getRegisterTag();

        }

}