Application: gvSIG desktop

/* gvSIG. Sistema de Información Geográfica 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 Ibañez, 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.geoserver.model;

import java.awt.geom.Rectangle2D;

import java.io.File;

import java.net.MalformedURLException;

import java.net.URI;

import java.net.URISyntaxException;

import java.net.URL;

import org.gvsig.publish.PublishLogger;

import org.gvsig.publish.geoserver.conf.GSDatastore;

import org.gvsig.publish.geoserver.conf.GSFeature;

import org.gvsig.publish.geoserver.conf.GSNamespace;

import org.gvsig.publish.geoserver.conf.GSService;

import org.gvsig.publish.geoserver.conf.GSStyle;

import org.gvsig.publish.infoproject.IDataSourceInfo;

import org.gvsig.publish.infoproject.ILayerInfo;

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

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

import org.gvsig.publish.ogcmetadata.CommonOGCMetadata;

import org.gvsig.publish.serversmodel.PublishException;

import org.gvsig.publish.serversmodel.RemoteResource;

import org.gvsig.publish.serversmodel.Service;

import com.iver.utiles.FileUtils;

/**

 * This class represents a remote resource (a feature) which can be offered by Geoserver

 * This remote resource will be able to be accessed through WMS or WFS 

 * 

 * @author jvhigon

 *

 */

public class GSFeatureResource extends RemoteResource {

        //Attributes

        private CommonOGCMetadata ogcMetadata= null;

        public static final String REGISTER_TAG="gsfeature";

        public final String VERSION="_v1";

        private GSFeature feature=null;

        /**

         * constructor

         * @param service

         */

        public GSFeatureResource(GSWFSService service) {

                super(service);                

                ogcMetadata = new CommonOGCMetadata();

        }

        /**

         * @return the ogcMetadata

         */

        public CommonOGCMetadata getOgcMetadata() {

                return ogcMetadata;

        }

        /**

         * @param ogcMetadata the ogcMetadata to set

         */

        public void setOgcMetadata(CommonOGCMetadata ogcMetadata) {

                this.ogcMetadata = ogcMetadata;

                //update config. Note that config name is not the same as ogcmetadata name                

                getConfig().setTitle(ogcMetadata.getTitle());

                getConfig().setAbstract(ogcMetadata.getAbstract());

        }

        /** 

         * Overrides the method in order to initialize some variables like ogcmetadata

         * @see org.gvsig.publish.serversmodel.RemoteResource#setLayerInfo(org.gvsig.publish.infoproject.ILayerInfo)

         */

        public void setLayerInfo(ILayerInfo ilayer) {

                super.setLayerInfo(ilayer);

                getOgcMetadata().setName(getConfig().getNamespace().getPrefix() + ":" + ilayer.getName());

                getOgcMetadata().setTitle(ilayer.getTitle());

                setName(getOgcMetadata().getName());

                setTitle(getOgcMetadata().getTitle());

        }

        public String getType() {

                return REGISTER_TAG;

        }

        public String getClassName() {

                return getClass().getName() + VERSION;

        }

        /**

         * This method can be used to acces the remote resource configuration directly. Then you can use

         * directly from the GUI.

         * @return the geoserver feature configuration

         */

        public GSFeature getConfig(){

                if (feature == null){

                        feature = new GSFeature();

                        //create namespace

                        GSNamespace ns = create_namespace();

                        //create datastore

                        GSDatastore ds = create_datastore(ns);

                        //create style 

                        GSStyle st = create_style();

                        //create feature

                        feature.setDatastore(ds);

                        feature.setNamespace(ns);

                        feature.setStyle(st);

                        //TODO: Can it be easier?

                        IDataSourceInfo aux = getLayerInfo().getDataSource();

                        String aux2 = getName();

                        if ( aux instanceof IFileInfo){

                                aux2 = ((IFileInfo)aux).getFilenameWithoutExtension();

                        }

                        if (aux instanceof IDataBaseInfo){

                                aux2 = ((IDataBaseInfo)aux).getTableName(); 

                        }                        

                        feature.setName(aux2);

                        int srid = getLayerInfo().getSRID();

                        feature.setSRID(srid);

                        feature.setLatLonBBox(getLayerInfo().getDataSource().getLatLonBBox());

                        feature.setNativeBBox(getLayerInfo().getDataSource().getNativeBBox());

                        //adds feature

                        Geoserver server= (Geoserver) getService().getServer();

                        server.getConfig().addFeatureType(feature);        

                }

                //update from the ogcmetadata

                feature.setTitle(getOgcMetadata().getTitle());

                feature.setAbstract(getOgcMetadata().getAbstract());

                //feature.addKeyword("sfRoads");

                //feature.addKeyword("roads");

                return feature;

        }

        /**

         * 

         * @see org.gvsig.publish.serversmodel.RemoteResource#publish()

         */

        public void publish() throws PublishException {                

                super.publish();                

                checkDatasources();

                getConfig();                

        }

        private void checkDatasources() throws PublishException {

                if (getLayerInfo().getDataSource().getType().equals(IDataSourceInfo.RASTER_TYPE)){

                        throw new PublishException("datasource_not_supported");

                }                

        }

        /**

         * 

         * @return

         */

        private GSNamespace create_namespace(){

                GSNamespace ns = new GSNamespace();

                //TODO:

                ns.setPrefix(getLayerInfo().getDataSource().getConnectionName());

                ns.setPrefix("default");

                try {

                        ns.setURI(new URI(getService().getServer().getServerURL().toString()));

                } catch (URISyntaxException e1) {                        

                        PublishLogger.getLog().error("ERROR " + getClassName() + ":uri syntax error", e1);

                }

                return ns;

        }

        /**

         * 

         * @param ns

         * @return

         */

        private GSDatastore create_datastore(GSNamespace ns){

                GSDatastore ds = new GSDatastore();

                ds.setNamespace(ns);

                IDataSourceInfo dataSrc = getLayerInfo().getDataSource();

                if (dataSrc.getType().equals(IDataSourceInfo.SHAPE_TYPE)){                        

                        config_datastore_shape(ds);

                }

                if (dataSrc.getType().equals(IDataSourceInfo.POSTGIS_TYPE)){                        

                        config_datastore_postgis(ds);

                }

                return ds;

        }

        private void config_datastore_postgis(GSDatastore ds) {

                ds.setId(getLayerInfo().getDataSource().getConnectionName());

                ds.setAbstract("Datastore description generated by gvSIG");

                ds.setLooseBbox(true);

                ds.setUser(((IDataBaseInfo)getLayerInfo().getDataSource()).getUser());

                ds.setPassword(((IDataBaseInfo)getLayerInfo().getDataSource()).getPassword());

                ds.setEstimatedExtent(false);

                ds.setHost(((IDataBaseInfo)getLayerInfo().getDataSource()).getHost());

                ds.setSchema(((IDataBaseInfo)getLayerInfo().getDataSource()).getSchemaName());

                ds.setPort(new Integer(((IDataBaseInfo)getLayerInfo().getDataSource()).getPort()).intValue());

                ds.setDatabase(((IDataBaseInfo)getLayerInfo().getDataSource()).getDatabaseName());

                ds.setDbType("postgis");                

        }

        private void config_datastore_shape(GSDatastore ds) {

                ds.setId(getLayerInfo().getDataSource().getConnectionName());

                //TODO: get this from IDatasourceInfo

                ds.setCharset("UTF-8");                

                try {

                        String f = ((IFileInfo)getLayerInfo().getDataSource()).getAbsolutePath();

                        ds.setURL(new URL("file:" + f));

                } catch (MalformedURLException e) {

                        PublishLogger.getLog().error("ERROR: " + getClassName() + ":malformed url", e);

                }                

        }

        /**

         * 

         * @return

         */

        private GSStyle create_style(){

                //create style

                GSStyle st = new GSStyle();

                st.setId(getLayerInfo().getName());

//                URL sld = getClass().getClassLoader().getResource("config/example.sld");

//                st.setSLDFile(new File (sld.toString()));

                if (getLayerInfo().getLegend()!= null){

                        st.setSLDString(getLayerInfo().getLegend().getSLDString());

                }

                return st;

        }

}