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.wcs;

import java.net.URL;

import java.util.Enumeration;

import java.util.Hashtable;

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.infoproject.datasources.IFileInfo;

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

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

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

import org.gvsig.publish.mapserver.util.MapserverUtilities;

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;

/**

 * Service WCS 1.0.0 implemented by Mapserver

 * @author jvhigon

 *

 */

public class MapserverWCS extends Service implements IOGCServiceMetadata{

        public static String REGISTER_TAG="WCS 1.0.0";

        //Associations

        private OGCServiceMetadata ogcMetadata= null;

        private FilterProjectInfo filter;

        /**

         * Constructor

         * @param server

         */

        public MapserverWCS(Mapserver server) {

                super(server);

                ogcMetadata = new OGCServiceMetadata();

                //the service always is OGC:WCS

                ogcMetadata.setName("OGC:WCS");        

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

                ogcMetadata.setTitle("Mapserver WCS 1.0.0");

                ogcMetadata.setOnlineResource(getServer().getServerURL());

        }

        public void publish() throws PublishException {

                //publish all the remote resources

                super.publish();

                //gets the mapfile from the server

                ConfigFile mapfile = getMapServer().getConfigFile();

                //generate outputformats

                generateOutputformats();

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

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

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

                //mapfile.web.metadata.wms_onlineresource

                mapfile.web.metadata.wcs_encoding ="utf8";                                

        }

        /**

         * Generate the outputformat objects in the mapfile.

         * <p>

         * we put the datasources in a hashmap in order to avoid duplicated outputformats 

         *  

         */

        private void generateOutputformats() {

                Hashtable table = new Hashtable();

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

                        RemoteResource r = getRemoteResource(i);

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

                        IFileInfo file = (IFileInfo)ds;

                        String key = file.getExtension().toUpperCase() + "##" + ds.getDataType();

                        table.put(key, ds);                        

                }

                for (Enumeration e = table.elements(); e.hasMoreElements(); ) {

                        IDataSourceInfo ds = (IDataSourceInfo) e.nextElement();

                        String name = MapserverUtilities.getOutputformatName(ds);

                        String driver = MapserverUtilities.getOutputformatDriver(ds);

                        String mimetype = MapserverUtilities.getOutputformatMimetype(ds);

                        String imagemode = MapserverUtilities.getOutputformatImageMode(ds);

                        String extension = MapserverUtilities.getOuputformatExtension(ds);                        

                        if (name !=null && driver !=null){

                                OutputFormat of = new OutputFormat(name,driver,imagemode,extension,mimetype);

                                getMapServer().getConfigFile().add(of);

                        }                                                

                }

        }        

        private Mapserver getMapServer(){

                //Cast to Mapserver

                Mapserver mapserver = (Mapserver)getServer();

                return mapserver;

        }

        /*

         * (non-Javadoc)

         * @see com.iver.utiles.IPersistance#getClassName()

         */

        public String getClassName() {

                return "MapserverWCS";

        }

        /*

         * (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","ogcmetadata");

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

        }

        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("ogcmetadata");

                child.addChild(ogcMetadata.getXMLEntity());                

                xml.addChild(child);                                

                return xml;

        }

        /*

         * (non-Javadoc)

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

         */

        public FilterProjectInfo getFilter() {

                if (filter == null){

                        filter = new FilterProjectInfo();

                }

                filter.setGroupedLayersEnabled(false);                

                filter.addAllowedDatasource(IDataSourceInfo.RASTER_TYPE);

                return filter;

        }

        /*

         * (non-Javadoc)

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

         */

        public String getId() {

                return "mapserver_wcs";

        }

        /*

         * (non-Javadoc)

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

         */

        public String getRegisterTag() {

                return REGISTER_TAG;

        }

        /*

         * (non-Javadoc)

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

         */

        public URL getOnlineResource() {

                return ogcMetadata.getOnlineResource();

        }

        /*

         * (non-Javadoc)

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

         */

        public void setOnlineResource(URL url) {

                ogcMetadata.setOnlineResource(url);

        }

        /*

         * (non-Javadoc)

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

         */

        public String getAbstract() {

                return ogcMetadata.getAbstract();

        }

        /*

         * (non-Javadoc)

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

         */

        public String getName() {

                return ogcMetadata.getName();

        }

        /*

         * (non-Javadoc)

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

         */

        public void setAbstract(String description) {        

                ogcMetadata.setAbstract(description);

        }

        /*

         * (non-Javadoc)

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

         */

        public void setName(String name) {

                ogcMetadata.setName(name);

        }

        /*

         * (non-Javadoc)

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

         */

        public void setTitle(String title) {

                ogcMetadata.setTitle(title);

        }

        /*

         * (non-Javadoc)

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

         */

        public int getVersion() {

                return 1;

        }

        /*

         * (non-Javadoc)

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

         */

        public String getTitle() {

                return ogcMetadata.getTitle();

        }

        /*

         * (non-Javadoc)

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

         */

        public String toString(){

                return getRegisterTag();

        }

}