Application: gvSIG desktop

package com.iver.andami.persistence.serverData;

/* 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: ServerDataPersistence.java 6861 2006-08-28 07:57:18Z jaume $

 * $Log$

 * Revision 1.5  2006-08-28 07:56:54  jaume

 * *** empty log message ***

 *

 * Revision 1.4  2006/05/19 06:41:50  jaume

 * removed unnecessary imports

 *

 * Revision 1.3  2006/05/02 15:53:06  jorpiell

 * Se ha cambiado la interfaz Extension por dos clases: una interfaz (IExtension) y una clase abstract(Extension). A partir de ahora todas las extensiones deben heredar de Extension

 *

 * Revision 1.2  2006/03/21 18:06:46  jorpiell

 * Se ha hecho una modificaci?n para continuar soportando los servidores anteriores

 *

 * Revision 1.1  2006/03/07 11:32:13  jorpiell

 * Se ha a?adido la clase ServerDataPersistence en el paquete persistence.serverData que se usa para persistir los servidores por orden de ?ltimo acceso.

 *

 *

 */

import java.util.Date;

import com.iver.andami.PluginServices;

import com.iver.utiles.DateTime;

import com.iver.utiles.NotExistInXMLEntity;

import com.iver.utiles.XMLEntity;

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

/**

 * This class is used to save a list of servers (using the

 * Andami persistence model) to the plugins-persistence.xml file.

 * It has methods to create a set of ServerData objects  from an

 * xml file. It can also save a set of ServerData objects in an

 * xml file.

 *

 * @see es.gva.cit.catalogClient.utils.comboserver.ServerData

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

 */

public class ServerDataPersistence {

        private XMLEntity xml = null;

        private PluginServices ps = null;

        private String serviceType = null;

        /**

         * Constructor

         * @param view

         * The View Class

         * @param sevice Type

         * Service type to load

         */

        public ServerDataPersistence(Object pluginClassInstance,String serviceType){

                ps = PluginServices.getPluginServices(pluginClassInstance);

                xml = ps.getPersistentXML();

                this.serviceType = serviceType;

        }

        /**

         * This methos is used to save the information in an XML file

         */

        public void setPersistent(){

                ps.setPersistentXML(xml);

        }

        /**

         * This method saves an array of ServerData using the Anadami

         * persistence model

         * @param servers

         * Array of servers

         */

        public void setArrayOfServerData(ServerData[] servers){

                xml.getXmlTag().removeAllXmlTag();

                for (int i=0 ; i<servers.length ; i++){

                        xml.addChild(serverDataToXml(servers[i]));

                }

        }

        /**

         * This method adds a ServerData using the Anadami

         * persistence model. If the server exists just actualizes

         * the type and subtype fileds and changes the last access

         * value to the current time.

         * @param server

         * ServerData

         */

        public void addServerData(ServerData server){

                ServerData[] servers = getArrayOfServerData();

                ServerData[] newServers = new ServerData[servers.length + 1];

                boolean found = false;

                for (int i = 0; i < servers.length; i++) {

                        if (servers[i].getServerAddress().equals(server.getServerAddress())) {

                                found = true;

                                servers[i].updateLastAccess();

                                servers[i].setServiceSubType(server.getServiceSubType());

                                servers[i].setServiceType(server.getServiceType());

                                servers[i].setDatabase(server.getDatabase());

                                setArrayOfServerData(servers);

                        }

                }

                if (!found) {

                        System.arraycopy(servers, 0, newServers, 0, servers.length);

                        newServers[servers.length] = server;

                        setArrayOfServerData(newServers);

                }

        }

        /**

         * This method returns an array of ServerData objects that

         * have been saved using the Andami persistence model.

         * @return

         * String[]

         */

        public ServerData[] getArrayOfServerData(){

                ServerData[] servers = new ServerData[xml.getChildrenCount()];

                for (int i=0 ; i<xml.getChildrenCount() ; i++){

                        servers[i] = xmlToServerData(xml.getChild(i));

                }

                return servers;

        }

        /**

         * This method creates and returns a new XMLEntity.

         * @param server

         * ServerData with all the server information

         * @return

         * XMLEntity

         */

        public XMLEntity serverDataToXml(ServerData server){

                String dFormat="Y-m-d H:i:s.Z";

                XMLEntity xmlEnt = new XMLEntity();

                xmlEnt.putProperty("serverURL",server.getServerAddress());

                xmlEnt.putProperty("added",DateTime.dateToString(server.getAdded(),dFormat));

                xmlEnt.putProperty("lastAccess",DateTime.dateToString(server.getLastAccess(),dFormat));

                xmlEnt.putProperty("type",server.getServiceType());

                xmlEnt.putProperty("subType",server.getServiceSubType());

                if (server.getServiceSubType().equals(ServerData.SERVER_SUBTYPE_CATALOG_Z3950)){

                        xmlEnt.putProperty("database",server.getDatabase());

                }

                return xmlEnt;

        }

        /**

         * This method creates a new serverData from a XMLEntity

         * @param xmlEnt

         * XMLRntity that contains the server information

         * @return

         * ServerData

         */

        public ServerData xmlToServerData(XMLEntity xmlEnt){

                String serverAddress;

                Date added;

                Date lastAccess;

                String serviceType = "";

                String serviceSubType = "";

                String databaseName = "";

                serverAddress = xmlEnt.getStringProperty("serverURL");

                added = DateTime.stringToDate(xmlEnt.getStringProperty("added"));

                lastAccess = DateTime.stringToDate(xmlEnt.getStringProperty("lastAccess"));

                serviceType = xmlEnt.getStringProperty("type").toUpperCase();

                serviceSubType = xmlEnt.getStringProperty("subType").toUpperCase();

                if (serviceSubType.equals(ServerData.SERVER_SUBTYPE_CATALOG_Z3950)){

                        try{

                                databaseName = xmlEnt.getStringProperty("database");

                        }catch(NotExistInXMLEntity e){

                        }

                }

                return new ServerData(serverAddress,added,lastAccess,serviceType,serviceSubType,databaseName);

        }

}