Application: gvSIG desktop

/**

 * gvSIG. Desktop Geographic Information System.

 *

 * Copyright (C) 2007-2013 gvSIG Association.

 *

 * 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 3

 * 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., 51 Franklin Street, Fifth Floor, Boston,

 * MA  02110-1301, USA.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

package org.gvsig.andami.persistence.serverData;

import java.util.ArrayList;

import java.util.Arrays;

import java.util.List;

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.dynobject.DynStruct;

import org.gvsig.tools.persistence.PersistenceManager;

import org.gvsig.tools.persistence.Persistent;

import org.gvsig.tools.persistence.PersistentState;

import org.gvsig.tools.persistence.exception.PersistenceException;

import org.gvsig.utils.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 implements Persistent, Comparable<ServerDataPersistence> {

        public static final String              PERSISTENT_NAME        = "ServerDataList_Persistent";

    public static final String              PERSISTENT_DESCRIPTION = "ServerDataList Persistent";

        private String                          serviceType            = null;

        private List<ServerData>                serverList             = null;

        /**

         * Constructor

         * @param view

         * The View Class

         * @param sevice Type

         * Service type to load

         */

        public ServerDataPersistence(String serviceType) {

                this.serviceType = serviceType;

                this.serverList = new ArrayList<ServerData>();

        }

        public ServerDataPersistence() {

            this.serverList = new ArrayList<ServerData>();

            this.serviceType = "UNKNOW";

        }

        /**

         * This method adds a ServerData using the Andami 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) {

            String address = server.getServerAddress();

            for (int i = 0; i < serverList.size(); i++) {

                ServerData sd = serverList.get(i);

                if(sd.getServerAddress().equals(address)) {

                    // Already exist, update  it

                    serverList.set(i, server);

                    return;

                }

            }

            // Add the new server

            serverList.add(server);

        }

        /**

         * Returns true if exists a server in this list

         * @param address

         * @return

         */

        public boolean existsServer(String address) {

                for (int i = 0; i < serverList.size(); i++) {

                        ServerData sd = serverList.get(i);

                        if(sd.getServerAddress().equals(address))

                                return true;

                }

                return false;

        }

        /**

         * This method returns an array of ServerData objects that

         * have been saved using the gvsig tools persistence model.

         * @return

         * ServerData[]

         */

        public ServerData[] getArrayOfServerData() {

                return (ServerData[])serverList.toArray(new ServerData[serverList.size()]);

        }

        public List<ServerData> getServerData() {

                return serverList;

        }

        public void setArrayOfServerData(ServerData[] servers) {

                if(servers != null)

                        serverList = Arrays.asList(servers);

        }

        public String getServiceType() {

                return serviceType;

        }

        public void setServiceType(String serviceType) {

                this.serviceType = serviceType;

        }

        public void saveToState(PersistentState state) throws PersistenceException {

                state.set("serverData", getArrayOfServerData());

                state.set("serviceType", serviceType);

        }

        public void loadFromState(PersistentState state)

                        throws PersistenceException {

                if(state.get("serverData") instanceof List) {

                        serverList = (List<ServerData>)state.get("serverData");

                }

                serviceType = state.getString("serviceType");

        }

        public static void registerPersistence() {

                PersistenceManager manager = ToolsLocator.getPersistenceManager();

                DynStruct definition = manager.getDefinition(PERSISTENT_NAME);

                if( definition == null ) {

                        definition = manager.addDefinition(

                                        ServerDataPersistence.class,

                                        PERSISTENT_NAME,

                                        PERSISTENT_DESCRIPTION,

                                        null, 

                                        null

                        );

                }

                definition.addDynFieldList("serverData").setClassOfItems(ServerData.class).setMandatory(false);

                definition.addDynFieldString("serviceType").setMandatory(true);

        }

        public int compareTo(ServerDataPersistence a) {

                if(a.getServiceType().equals(getServiceType())) {

                        if(getServerData().size() != a.getServerData().size())

                                return -1;

                        for (int i = 0; i < getServerData().size(); i++) {

                                ServerData serverData = getServerData().get(i);

                                if(!a.existsServer(serverData.getServerAddress()))

                                        return -1;

                        }

                }

                return 0;

        }

        public boolean isEmpty() {

            if( serverList==null ) {

                return true;

            }

            return serverList.isEmpty();

        }

}