Application: gvSIG desktop

/* 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 es.gva.cit.gazetteer;

import java.io.IOException;

import java.net.MalformedURLException;

import java.net.Socket;

import java.net.URL;

import java.net.UnknownHostException;

import java.util.Collection;

import com.iver.utiles.swing.jcomboServer.ServerData;

import es.gva.cit.gazetteer.adl.drivers.ADLGazetteerServiceDriver;

import es.gva.cit.gazetteer.drivers.IGazetteerServiceDriver;

import es.gva.cit.gazetteer.idec.drivers.IDECGazetteerServiceDriver;

import es.gva.cit.gazetteer.querys.Query;

import es.gva.cit.gazetteer.wfsg.drivers.WFSGazetteerServiceDriver;

/**

 * This class represents a gazetteer client. It must be created to

 * use the gazetteer service

 * 

 * 

 * @author Jorge Piera Llodra (piera_jor@gva.es)

 */

public class GazetteerClient {

/**

 * 

 * 

 */

    private URL url = null;

/**

 * 

 * 

 */

    private String sURL = null;

/**

 * 

 * 

 */

    private String protocol = null;

/**

 * 

 * 

 */

    private IGazetteerServiceDriver lnkIGazetteerDriver;

/**

 * 

 * 

 */

    private String serverStatus = null;

/**

 * 

 * 

 * 

 * @param url 

 * @param protocol 

 */

    public  GazetteerClient(String url, String protocol) {        

             if (!(url.regionMatches(0, "http://", 0, 7))) {

             url = "http://" + url;

         }

            setProtocol(protocol);

        setSURL(url);

        try {

            setUrl(new URL(url));

            if (getUrl().getPort() == -1) {

                setUrl(new URL("http", getUrl().getHost(), 80, getUrl().getFile()));

            } else {

                setUrl(new URL("http", getUrl().getHost(), getUrl().getPort(),getUrl().getFile()));

            }

        } catch (MalformedURLException e) {

            // TODO Auto-generated catch block

            e.printStackTrace();

        }

        //Casting to the respective driver

        if (protocol.equals(new String(ServerData.SERVER_SUBTYPE_GAZETTEER_WFSG)) ||

                protocol.equals(new String(ServerData.SERVER_SUBTYPE_GAZETTEER_WFS))) {

            lnkIGazetteerDriver = new WFSGazetteerServiceDriver();

        }

        if (protocol.equals(new String(ServerData.SERVER_SUBTYPE_GAZETTEER_ADL))) {

            lnkIGazetteerDriver = new ADLGazetteerServiceDriver();

        }

        if (protocol.equals(new String(ServerData.SERVER_SUBTYPE_GAZETTEER_IDEC))) {

            lnkIGazetteerDriver = new IDECGazetteerServiceDriver();

        }

    } 

/**

 * 

 * 

 * 

 * @return 

 */

    public boolean getCapabilities() {        

           if (!serverReady()) {

               serverStatus = ("errorServerNotFound");

           } else if (!getLnkIGazetteerDriver().isProtocolSupported(getUrl())) {

               serverStatus = "errorNotSupportedProtocol";

           } else {

               //getCapabilities

               Collection nodesCapabilities = getLnkIGazetteerDriver()

                                                 .getCapabilities(getUrl());

               if (nodesCapabilities == null) {

                   serverStatus = "errorNotSupportedCapabilities";

               } else {

                   //Configure the client

                   if (!getLnkIGazetteerDriver().setParameters(nodesCapabilities)) {

                       if (!(getLnkIGazetteerDriver()

                                        .getServerAnswerReady().equals(""))) {

                           serverStatus = getLnkIGazetteerDriver().getServerAnswerReady();

                       } else {

                           serverStatus = "errorNotParsedReply";

                       }

                   } else {

                       serverStatus = getLnkIGazetteerDriver().getServerAnswerReady();

                       return true;

                   }

               }

           }

           return false;           

    } 

/**

 * This method implements the getFeature operation

 * 

 * 

 * @return 

 * @param url 

 * @param query 

 */

    public Collection getFeature(URL url, Query query) {        

            return lnkIGazetteerDriver.getFeature(url, query);

    } 

/**

 * 

 * 

 * 

 * @return Returns the lnkIGazetteerDriver.

 */

    public IGazetteerServiceDriver getLnkIGazetteerDriver() {        

        return lnkIGazetteerDriver;

    } 

/**

 * 

 * 

 * 

 * @param lnkIGazetteerDriver The lnkIGazetteerDriver to set.

 */

    public void setLnkICatalogServerDriver(IGazetteerServiceDriver lnkIGazetteerDriver) {        

        this.lnkIGazetteerDriver = lnkIGazetteerDriver;

    } 

/**

 * This method is used to create a new Query

 * 

 * 

 * @return 

 */

    public Query createNewQuery() {        

        return new Query();   

    } 

/**

 * 

 * 

 * 

 * @return 

 */

    public String getProtocol() {        

        return protocol;

    } 

/**

 * 

 * 

 * 

 * @param protocol The protocol to set.

 */

    public void setProtocol(String protocol) {        

        this.protocol = protocol;

    } 

/**

 * 

 * 

 * 

 * @return Returns the url.

 */

    public URL getUrl() {        

        return url;

    } 

/**

 * 

 * 

 * 

 * @param url The url to set.

 */

    public void setUrl(URL url) {        

        this.url = url;

    } 

/**

 * It tries if the server is ready

 * 

 * 

 * @return boolean

 * true --> server is ready

 * false --> server is not ready

 */

    public boolean serverReady() {        

        try {

            new Socket(this.getUrl().getHost(),

                    this.getUrl().getPort());

        } catch (UnknownHostException e) {

            // TODO Auto-generated catch block

            return false;

        } catch (IOException e) {

            // TODO Auto-generated catch block

            return false;

        }

        return true;

    } 

/**

 * 

 * 

 * 

 * @return Returns the sURL.

 */

    public String getSURL() {        

        return sURL;

    } 

/**

 * 

 * 

 * 

 * @param surl The sURL to set.

 */

    public void setSURL(String surl) {        

        sURL = surl;

    } 

/**

 * 

 * 

 * 

 * @return Returns the serverStatus.

 */

    public String getServerStatus() {        

            return serverStatus;

    } 

 }