| gvSIG desktop 1

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

*

* Copyright (C) 2004 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 Ib??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 com.iver.cit.gvsig.fmap.drivers.wcs;

import java.awt.geom.Rectangle2D;

import java.io.File;

import java.io.IOException;

import java.util.ArrayList;

import java.util.Iterator;

import com.iver.cit.gvsig.fmap.drivers.RemoteServiceDriver;

import com.iver.cit.gvsig.fmap.drivers.WCSDriver;

import es.uji.lsi.wcs.XmlWcsParsing.CoverageOffering;

import es.uji.lsi.wcs.XmlWcsParsing.GMLEnvelopeWithTimePeriod;

import es.uji.lsi.wcs.client.ServerErrorResponseException;

import es.uji.lsi.wcs.client.ServerOutOfOrderException;

import es.uji.lsi.wcs.client.WCSClient;

/**

 * @author jaume

 *

 */

public class FMapWCSDriver implements RemoteServiceDriver, WCSDriver {

        private String service_name;

        private WCSClient wcs = null;

        private String host = null;

        public String getName() { return "WCSDriver"; }

        /**

         * Establece el servidor al que se quiere conectar

         * 

         * @param host

         */

        public void setHost(String host){

                setRemoteServiceName("WCS"); 

                this.host = host;

                wcs = new WCSClient(host);

        }

        public String getHost() { return host; }

        /**

         * Env?a la operaci?n GetCapabilities al servidor

         * @throws ServerOutOfOrderException

         * 

         */

        public void getCapabilities() throws ServerOutOfOrderException{

                wcs.getCapabilities(); 

        }

        /**

         * Env?a la operaci?n DescribeCoverage

         * 

         */

        public void describeCoverage(){

                wcs.describeCoverage();

        }

        /**

         * Env?a la operaci?n GetCoverage

         * 

         */

        public File getCoverage() throws ServerErrorResponseException{

                return wcs.getCoverage();

        }

        /**

         * Devuelve el nombre del servidor devuelto por ?ste.

         * 

         * @return String

         */

        public String getServerName(){

                return wcs.getTheCapabilities().getServiceName();

        }

        /**

         * Devuelve el nombre legible del servidor devuelto por ?ste.

         * 

         * @return String

         */

        public String getLabel(){

                return wcs.getTheCapabilities().getServiceLabel();

        }

        /**

         * Devuelve el n?mero de versi?n WCS del servidor

         * 

         * @return String

         */

        public String getVersion(){

                return wcs.getTheCapabilities().getVersion();

        }

        /**

         * Devuelve nombre y descripci?n (abstract) del servidor.

         * 

         * @return String

         */

        public String getDescription(){

                String name = wcs.getTheCapabilities().getServiceName();

                String description = wcs.getTheCapabilities().getServiceDescription();

                if ( (name == null) && (description == null) ) return "Sin descripci?n";

                else if ( (name != null) && (description == null) ) return name;

                else if ( (name == null) && (description != null) ) return description;

                else if ( (name != null) && (description != null) ) return name+"\n\n"+description;

                else return null;

        }

        /**

         * Devuelve el valor de update sequence del servidor

         * 

         * @return String

         */

        public String getUpdateSequence(){

                return wcs.getTheCapabilities().getUpdateSequence();

        }

        /**

         * Devuelve una lista de formatos soportados por la capa.

         * 

         * @param coverage

         * @return ArrayList

         */

        public ArrayList getFormats(String coverage){

                return wcs.getCoverageDescription(coverage).getSupportedFormats().getFormats();

        }

        /**

         * Devuelve el enlace a los metadatos

         * 

         * @return String

         */

        public String getMetadataLink(){

                return wcs.getTheCapabilities().getServiceMetadatalink();

        }

        /**

         * Devuelve el valor para responsible party

         * 

         * @return String

         */

        public String getResponsibleParty(){

                return wcs.getTheCapabilities().getServiceResponsibleParty();

        }

        /**

         * Devuelve una lista de nombres de coberturas

         * 

         * @return String[]

         */

        public String[] getCoverageNames(){

                return wcs.getTheCapabilities().getCoverageNames();

        }

        /**

         * Devuelve el numero de coberturas en el servidor

         * 

         * @return int

         */

        public int getNumOfCoverages(){

                return getCoverageNames().length;

        }

        /** Devuelve los detalles de la cobertura en CoverageOffering

         * 

         * @param nomCobertura

         * @return CoverageOffering (es.uji.lsi.wcs.XmlParsing.CoverageOffering)

         */

        public CoverageOffering getCoverageDetails(String nomCobertura){

                return wcs.getCoverageDescription(nomCobertura);

        }

        public final void setRemoteServiceName(String name) {

                service_name = name;

        }

        public String getRemoteServiceName() {

                return service_name;

        }

        public void connect() throws IOException, ServerOutOfOrderException {

                // System.out.println("FMapWCSDriver>>> GetCapabilities");

                getCapabilities();

                // System.out.println("FMapWCSDriver>>> GetCapabilities, done");

                // System.out.println("FMapWCSDriver>>> DescribeCoverage (all coverages)");

                describeCoverage();

                // System.out.println("FMapWCSDriver>>> DescribeCoverage, done");

        }

        public void close() {

                // No fa res, tal volta this= null?

        }

        /**

         * @param coverageName

         * @param srs

         */

        public Rectangle2D getBoundingBoxExtensionMaxima(String coverageName, String srs) {

                // TODO Has de considerar el cas per a quan el SRS no vinga als RequestResponse 

                // ni cap altre...

                // IDEA: agafar  algun dels de CoverageOfferingBrief i aplicar la transformaci?.

                CoverageOffering co = wcs.getCoverageDescription(coverageName);

                if (co.getDomainSet() != null) {

                        if (co.getDomainSet().getSpatialDomain() != null){

                                ArrayList gewtpList = co.getDomainSet().getSpatialDomain().getGMLEnvelopeWithTimePeriodList();

                                Iterator it = gewtpList.iterator();

                                while (it.hasNext()){

                                        GMLEnvelopeWithTimePeriod gewtp = (GMLEnvelopeWithTimePeriod) it.next();

                                        if (gewtp.getSRSName().equals(srs)) {

                                                return new Rectangle2D.Double(

                                                                gewtp.getMinX(),

                                                                gewtp.getMinY(),

                                                                gewtp.getMaxX()-gewtp.getMinX(),

                                                                gewtp.getMaxY()-gewtp.getMinY());

                                        }

                                }

                        }

                }

                // Si llego aqu? es porque no ha habido ninguno. Tengo que transformar de las del BoundingBox.

                return null;

        }

        /**

         * Env?a los valores de la consulta GetCoverage en forma cadena de pares 

         * 'nombre=valor' separados por '&'.

         */

        public void setGetCoverageParams(String query) {

                wcs.setGetCoverageParams(query);

        }

}