| gvSIG desktop 1

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

*

* Copyright (C) 2005 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 org.gvsig.remoteClient;

import java.io.IOException;

import java.util.ArrayList;

import org.gvsig.remoteClient.driver.RemoteServiceDriver;

import org.gvsig.remoteClient.driver.wms.WMSDriver;

import org.gvsig.remoteClient.exception.ServerOutOfOrderException;

import org.gvsig.remoteClient.exception.UnsupportedVersionException;

import org.gvsig.remoteClient.exception.WMSException;

import com.iver.cit.gvsig.fmap.DriverException;

/**

 * Class that describes a Client interface to a OGC Web Mapping Service

 * @author Jaume 

 * @author Laura Diaz

*/

public class WMSClient extends RemoteServiceDriver implements ServiceClient

{        

        WMSDriver wms;

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

        /**

         * Sets the server that we want to connect to.

         * Establece el servidor al que se quiere conectar.

         * @param host

         */

        public void setHost(String host){

                super.setHost(host);

                setServiceName("WMS"); 

        }

        /**

         * Sends the GetCapabilities operation to the server.

         * Env?a la operaci?n GetCapabilities al servidor.

         * @throws ServerOutOfOrderException 

         */

        public void getCapabilities() 

                throws ServerOutOfOrderException, IOException, UnsupportedVersionException {

                wms.getCapabilities(); 

        }

        public void getMap() 

        throws IOException, NoSuchFieldException, WMSException {

                wms.getMap(); 

        }

        public void getFeatureInfo() 

        throws IOException, NoSuchFieldException, WMSException {

                wms.getFeatureInfo(); 

        }

        /**

         * Returns the server's name. The string is extracted from the GetCapabilities

         * response.

         * Devuelve el nombre del servidor indicado por ?ste.

         * @return String

         */

        public String getServerName(){

                return "";

        }

        /**

         * Returns a string containing the server's WMS version number.

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

         * @return String

         */

        public String getVersion(){

                return ""; //wms.getCapabilities().getVersion;

        }

        /**

         * Returns name and description of the server. It is supposed to be used

         * as the source of the abstract field in your application's interface.

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

         * @return String

         */

        public String getDescription(){

                String name="";//wms.getCapabilities().getServiceName();

                String description = ""; //wms.getCapabilities().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;

        }

        /**

         * Returns a list containing the formats supported by the coverage

         * Devuelve una lista de formatos soportados por la cobertura.

         * @param coverage

         * @return ArrayList

         */

        public ArrayList getFormats(){

                ArrayList formats = null;

                try

                {

                        formats = wms.getCapabilities().getServiceInformation().getFormats();

                        //return null;//wms.getCapabilities().getFormats();

                }

                catch(Exception e){}

                return formats;

        }

        public String[] getLayerNames(){

                String[] names = null;                

                try

                {

                        names = wms.getCapabilities().getMapComposition().getLayerNames(); 

                }

                catch(Exception e){}

                return names;

        }

        /**

         * Returns the number of layers at the server.

         * Devuelve el numero de layers en el servidor

         * @return int

         */

        public int getNumOfLayers(){

                return getLayerNames().length;

        }

        public void close()

        {}

        public void connect() throws IOException, DriverException {

                //wms.getCapabilities();

                //wms = new WMSClient(getHost()); //

                try {

                        wms.getCapabilities();                        

                        setConnected(true);

                } catch (Exception e) {

                        throw new DriverException(e);

                }

        }

}