Application: gvSIG desktop » gvSIG tools: Catalog

package org.gvsig.catalog.protocols;

import java.net.URI;

import java.util.Hashtable;

import org.jzkit.search.provider.iface.SearchException;

import org.jzkit.search.provider.iface.Searchable;

import org.jzkit.search.provider.z3950.Z3950ServiceFactory;

import org.springframework.context.ApplicationContext;

import org.springframework.context.support.FileSystemXmlApplicationContext;

/* 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

 */

/* CVS MESSAGES:

 *

 * $Id: Z3950ConnectionFactory.java 568 2007-07-27 07:23:27 +0000 (Fri, 27 Jul 2007) jpiera $

 * $Log$

 * Revision 1.1.2.2.4.2  2007/07/13 12:00:35  jorpiell

 * Add the posibility to add a new panel

 *

 * Revision 1.1.2.2.4.1  2007/07/10 11:18:04  jorpiell

 * Added the registers

 *

 * Revision 1.1.2.2  2006/11/15 00:08:08  jjdelcerro

 * *** empty log message ***

 *

 * Revision 1.2  2006/10/02 08:29:07  jorpiell

 * Modificados los cambios del Branch 10 al head

 *

 * Revision 1.1.2.1  2006/09/20 12:01:07  jorpiell

 * Se ha cambiado la versi?n de la jzkit, se ha incorporado la funcionalidad de cargar arcims

 *

 * Revision 1.1  2006/09/20 11:20:17  jorpiell

 * Se ha cambiado la versi?n de la librer?a jzkit de la 1 a la 2.0

 *

 *

 */

/**

 * This factory creates Z39.50 connections

 * @author Jorge Piera Llodr? (piera_jor@gva.es)

 */

public class Z3950ConnectionFactory {

        private static ApplicationContext app_context = null;

        private static boolean appContextInitialized = false;

        private static Z3950ServiceFactory factory = null;

        private static Hashtable connections = new Hashtable();

        public static Z3950Connection getConnection(URI uri){

                Z3950Connection connection = (Z3950Connection)connections.get(uri);

                if (connection == null){

                        connection = new Z3950Connection(uri);

                        connections.put(uri,connection);

                }

                return connection;

        }

        public static Searchable getSearchable(URI uri) throws SearchException{

                if (!(appContextInitialized)){

                        initAppContext(uri);

                        factory = new Z3950ServiceFactory();                

                        factory.setApplicationContext(app_context);

                        factory.setDefaultRecordSyntax("usmarc");

                        factory.setDefaultElementSetName("F");

                        factory.getRecordArchetypes().put("Default","usmarc::F");

                        factory.getRecordArchetypes().put("FullDisplay","usmarc::F");

                        factory.getRecordArchetypes().put("BriefDisplay","usmarc::B");

                        factory.getRecordArchetypes().put("Holdings","usmarc::F");

                }

                factory.setHost(uri.getHost());

                factory.setPort(uri.getPort());

                Searchable s = factory.newSearchable();

                s.setApplicationContext(app_context);        

                return s;

        }

        /**

         * Initialize the application context

         * @param url 

         */

        private static void initAppContext(URI uri){

                System.setProperty("javax.xml.parsers.DocumentBuilderFactory","org.apache.xerces.jaxp.DocumentBuilderFactoryImpl");

                try{

                        app_context = new FileSystemXmlApplicationContext(new String[]{"config/ApplicationContextAlone.xml"},false);

                        ((FileSystemXmlApplicationContext)app_context).setClassLoader(Z3950ConnectionFactory.class.getClassLoader());

                        ((FileSystemXmlApplicationContext)app_context).refresh();

                }catch(Exception e){

                        e.printStackTrace();

                        app_context = new FileSystemXmlApplicationContext(new String[]{"gvSIG/extensiones/es.gva.cit.gvsig.catalogClient/config/ApplicationContext.xml"},false);

                        ((FileSystemXmlApplicationContext)app_context).setClassLoader(Z3950ConnectionFactory.class.getClassLoader());

                        ((FileSystemXmlApplicationContext)app_context).refresh();

                }                        

                if (app_context == null){

                        throw new RuntimeException("Unable to locate TestApplicationContext.xml definition file");

                }

                appContextInitialized = true;

        }

}