| 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 es.gva.cit.gazetteer.drivers;

import java.net.URL;

import org.w3c.dom.Node;

import es.gva.cit.gazetteer.parsers.adl.AdlCapabilitiesParser;

import es.gva.cit.gazetteer.parsers.adl.AdlFeatureParser;

import es.gva.cit.gazetteer.protocols.ADLPOSTProtocol;

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

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

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

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

/**

 * This class implements the driver to connect with a ADL gazetteer service

 * 

 * @see http://alexandria.sdc.ucsb.edu/

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

 */

public class ADLGazetteerServiceDriver extends AsbtractGazetteerServiceDriver{

    /**

     * It invokes the getCapabilities operation

     */

    public Node[] getCapabilities(URL url) {

        Node[] nodes = null;

       System.out.println("**************POST*************");

       nodes = new ADLPOSTProtocol().doQuery(url,

               getPOSTMessageCapabilities(), 0);

       return nodes;

    }

    /**

     * It creates the XML for the getCapabilities request

     * 

     * @return

     * Name-value pair with a XML request

     */

    private String getPOSTMessageCapabilities() {

        return "<?xml version=\"1.0\" encoding=\"UTF-8\"?>" +

                "<gazetteer-service " +

                "xmlns=\"http://www.alexandria.ucsb.edu/gazetteer\" " +

                "version=\"1.2\">" +

                "<get-capabilities-request/>" +

                "</gazetteer-service>";

    }

    /**

     * It invokes the getFeature operation

     */

    public Node[] getFeature(URL url, Query query) {

        Node[] nodes = null;

        setQuery(query);

        System.out.println("**************POST*************");

        System.out.println(getPOSTGetFeature(getQuery()));

        nodes = new ADLPOSTProtocol().doQuery(url,

                       getPOSTGetFeature(getQuery()), 0);

        return nodes;

    }

    /**

     * It creates the XML for the getFeature request

     * 

     * @return

     * Name-value pair with a XML request

     */

    private String getPOSTGetFeature(Query query) {

        ADLQuery adlQuery = new ADLQuery(query);

        return "<?xml version=\"1.0\" encoding=\"UTF-8\"?>" +

                "<gazetteer-service " +

                "xmlns=\"http://www.alexandria.ucsb.edu/gazetteer\" " +

                "version=\"1.2\">" +

                "<query-request>" +

                adlQuery.getQuery() +

                "<report-format>standard</report-format>" +

                "</query-request>" +

                "</gazetteer-service>" ;

    }

    /* (non-Javadoc)

     * @see es.gva.cit.gazetteer.drivers.IGazetteerServiceDriver#isProtocolSupported(java.net.URL)

     */

    public boolean isProtocolSupported(URL url) {

        // TODO Auto-generated method stub

        return true;

    } 

    /* (non-Javadoc)

     * @see es.gva.cit.gazetteer.drivers.IGazetteerServiceDriver#setParameters(org.w3c.dom.Node[])

     */

    public Node[] describeFeatureType(URL url, String feature) {

        // TODO Auto-generated method stub

        return null;

    }    

    /* (non-Javadoc)

     * @see es.gva.cit.gazetteer.drivers.IGazetteerServiceDriver#setParameters(org.w3c.dom.Node[])

     */

    public boolean setParameters(Node[] nodes) {

        return new AdlCapabilitiesParser(this).parse(nodes[0]);

    }

    /* (non-Javadoc)

     * @see es.gva.cit.gazetteer.drivers.IGazetteerServiceDriver#parseFeatures(org.w3c.dom.Node)

     */

    public Feature[] parseFeatures(Node node,ThesaurusName currentFeature,String attribute) {

        return new AdlFeatureParser().parse(node);

    }

}