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.catalogClient.z3950.drivers;

import es.gva.cit.catalogClient.drivers.AbstractCatalogServiceDriver;

import es.gva.cit.catalogClient.metadataXML.XMLNode;

import es.gva.cit.catalogClient.metadataXML.XMLTree;

import es.gva.cit.catalogClient.protocols.Z3950Protocol;

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

import java.io.ByteArrayInputStream;

import java.net.URL;

import java.util.ArrayList;

import java.util.Collection;

/**

 * This class implements the Z39.50 protocol.

 * 

 * 

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

 * @see http://www.loc.gov/z3950/agency/

 */

public class Z3950CatalogServiceDriver extends AbstractCatalogServiceDriver {

/* (non-Javadoc)

     * @see ICatalogServerDriver#GetCapabilities(java.lang.String, java.lang.String)

     */

/**

 * 

 * 

 * 

 * @return 

 * @param url 

 */

    public Collection getCapabilities(URL url) {        

        Collection nodes = new ArrayList();;

        Z3950Messages messages = new Z3950Messages(this);

        String message = messages.getCapabilities(new Z3950Protocol().openConnection(

                    url));

        ByteArrayInputStream buffer = new ByteArrayInputStream(message.getBytes());

        nodes.add(XMLTree.xmlToTree(buffer));

        return nodes;

    } 

/* (non-Javadoc)

     * @see ICatalogServerDriver#GetRecords(java.lang.String, java.lang.String, java.lang.String, int, int, java.lang.String, java.lang.String)

     */

/**

 * 

 * 

 * 

 * @return 

 * @param url 

 * @param query 

 * @param firstRecord 

 */

    public Collection getRecords(URL url, Query query, int firstRecord) {        

        Collection nodes = new java.util.ArrayList();

        setQuery(query);

        Z3950Messages messages = new Z3950Messages(this);

        String message = messages.getRecords(getQuery(),Z3950Protocol.getDatabase(url));

        System.out.println(message);

        nodes = new Z3950Protocol().doQuery(url, message, firstRecord);

        return nodes;

    } 

/* (non-Javadoc)

     * @see catalogClient.ICatalogServerDriver#setParameters(java.util.Properties)

     */

/**

 * 

 * 

 * 

 * @return 

 * @param nodes 

 * @param url 

 */

    public boolean setParameters(Collection nodes, URL url) {        

        // TODO Auto-generated method stub

        setServerAnswerReady(XMLTree.searchNodeValue((XMLNode)nodes.toArray()[0], "Servidor"));

        return true;

    } 

/* (non-Javadoc)

     * @see es.gva.cit.catalogClient.drivers.ICatalogServiveDriver#isTheProtocol(java.net.URL)

     */

/**

 * 

 * 

 * 

 * @return 

 * @param url 

 */

    public boolean isProtocolSupported(URL url) {        

        return new Z3950Protocol().isProtocolSupported(url);

    } 

/* (non-Javadoc)

     * @see es.gva.cit.catalogClient.drivers.ICatalogServiceDriver#getServerPofile()

     */

/**

 * 

 * 

 * 

 * @return 

 */

    public String getQueryProfile() {        

        // TODO Auto-generated method stub

        return "Z3950";

    } 

 }