| 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.catalogClient.ui;

import es.gva.cit.catalogClient.CatalogClient;

import org.w3c.dom.Node;

import java.awt.Dimension;

import java.awt.FlowLayout;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.io.BufferedReader;

import java.io.File;

import java.io.FileNotFoundException;

import java.io.FileReader;

import java.io.IOException;

import java.util.Iterator;

import java.util.TreeMap;

import javax.swing.BoxLayout;

import javax.swing.JButton;

import javax.swing.JPanel;

/**

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

 */

public class ServerConnectDialogPanel extends JPanel implements ActionListener {

    private static TreeMap serverList = new TreeMap();

    //Panels

    JPanel ppalPanel = null;

    ServerConnectPanel controlsPanel = null;

    JPanel buttonsPanel = null;

    //Buttons

    JButton conectar = null;

    JButton buscar = null;

    //Others

    CatalogClient cliente = null;

    private String serversFile = "servers.txt";

    private String currentServer = "";

    public ServerConnectDialogPanel() {

        ppalPanel = new JPanel();

        ppalPanel.setLayout(new BoxLayout(ppalPanel, BoxLayout.Y_AXIS));

        ppalPanel.add(getControlsPanel(), null);

        ppalPanel.add(getButtonPanel(), null);

        add(ppalPanel);

        setDefaultButtonListeners();

        //Loads the servers

        loadServerList(serversFile);

    }

    public JPanel getControlsPanel() {

        if (controlsPanel == null) {

            controlsPanel = new ServerConnectPanel();

            controlsPanel.setSize(625, 230);

            controlsPanel.getZ3950Button().addActionListener(this);

            controlsPanel.getSrwButton().addActionListener(this);

            controlsPanel.getCswButton().addActionListener(this);

            controlsPanel.getServidoresCombo().addActionListener(this);

        }

        return controlsPanel;

    }

    public JPanel getButtonPanel() {

        if (buttonsPanel == null) {

            buttonsPanel = new JPanel(new FlowLayout());

            buttonsPanel.add(getConnectButton());

            buttonsPanel.add(getSearchButton());

        }

        return buttonsPanel;

    }

    public JButton getConnectButton() {

        if (conectar == null) {

            conectar = new JButton("Conectar");

            conectar.setSize(new Dimension(30, 20));

            conectar.setActionCommand("Connect");

        }

        return conectar;

    }

    public JButton getSearchButton() {

        if (buscar == null) {

            buscar = new JButton("Buscar");

            buscar.setSize(new Dimension(30, 20));

            buscar.setActionCommand("Search");

            buscar.setEnabled(false);

        }

        return buscar;

    }

    public static void addServer(String name) {

        if (ServerConnectDialogPanel.serverList == null) {

            ServerConnectDialogPanel.serverList = new TreeMap();

        }

        if (!ServerConnectDialogPanel.serverList.containsKey(name)) {

            ServerConnectDialogPanel.serverList.put(name, name);

        }

    }

    public void setDefaultButtonListeners() {

        getConnectButton().addActionListener(this);

        getSearchButton().addActionListener(this);

    }

    public void loadServerList(String sfile) {

        File file = null;

        try {

            file = new File(sfile);

            // Cargo el fichero si existe

            if (file.exists()) {

                BufferedReader fr = new BufferedReader(new FileReader(file));

                String s;

                while ((s = fr.readLine()) != null) {

                    ServerConnectDialogPanel.addServer(s);

                }

            } else {

                System.out.println("No se encuentra el fichero '" +

                    file.getPath() + "'");

            }

            // Si hay servers en el TreeMap los cargo en el Combo

            Iterator iter = ServerConnectDialogPanel.serverList.keySet()

                                                               .iterator();

            while (iter.hasNext()) {

                controlsPanel.getServerCombo().addItem((String) iter.next());

            }

        } catch (FileNotFoundException e) {

            // TODO Auto-generated catch block

            System.out.println("No se encuentra el fichero '" + file.getPath() +

                "'");

            e.printStackTrace();

        } catch (IOException e) {

            // TODO Auto-generated catch block

            e.printStackTrace();

        }

    }

    /* (non-Javadoc)

     * @see java.awt.event.ActionListener#actionPerformed(java.awt.event.ActionEvent)

     */

    public void actionPerformed(ActionEvent e) {

        //Connect

        if (e.getActionCommand() == "Connect") {

            doConectar();

        }

        //BUSCAR

        if (e.getActionCommand() == "Search") {

            this.setEnabled(false);

            SearchDialog frame = new SearchDialog(cliente,true,"");

        }

        if ((e.getActionCommand() == "Z39.50") ||

                (e.getActionCommand() == "SRU/SRW") ||

                (e.getActionCommand() == "CS-W") ||

                (e.getActionCommand() == "comboBoxChanged")) {

            buscar.setEnabled(false);

        }

        if (e.getActionCommand() == "Z39.50") {

            controlsPanel.getDbText().setEnabled(true);

        }

        if ((e.getActionCommand() == "SRU/SRW") ||

                (e.getActionCommand() == "CS-W")) {

            controlsPanel.getDbText().setEnabled(false);

        }

    }

    private void doConectar() {

        buscar.setEnabled(false);

        //Create a new atalogClient

        cliente = new CatalogClient(controlsPanel.getServer(),

                controlsPanel.getProtocol(), controlsPanel.getDatabase());

        String msg = "";

        //try to connect

        if (!cliente.serverReady()) {

            msg = "No se encuentra el servidor";

        } else if (!cliente.getLnkICatalogServerDriver().isProtocolSupported(cliente.getUrl())) {

            msg = "El servidor No soporta el protocolo especificado";

        } else {

            //getCapabilities

            Node[] nodesCapabilities = cliente.getLnkICatalogServerDriver()

                                              .getCapabilities(cliente.getUrl());

            if (nodesCapabilities == null) {

                msg = "Error al hacer un GetCapabilities." +

                    "Esto puede ser debido a dos razones: " +

                    "O bien ha habido un error al intentar " +

                    "hacer la operaci?n, o bien el servidor " +

                    "no soporta el protocolo especificado";

            } else {

                //Configure the client

                if (!cliente.getLnkICatalogServerDriver().setParameters(nodesCapabilities)) {

                    if (!(cliente.getLnkICatalogServerDriver()

                                     .getServerAnswerReady().equals(""))) {

                        msg = cliente.getLnkICatalogServerDriver()

                                     .getServerAnswerReady();

                    } else {

                        msg = "Error al procesar la respuesta. " +

                            "Se ha encontrado el servidor, pero posiblemente" +

                            " no soporta el protocolo especificado";

                    }

                } else {

                    //Show the answer

                    msg = cliente.getLnkICatalogServerDriver()

                                 .getServerAnswerReady();

                    buscar.setEnabled(true);

                    currentServer = controlsPanel.getServer();

                }

            }

        }

        controlsPanel.setRespuesta(msg);

    }

    /**

     * @return Returns the serversFile.

     */

    public String getServersFile() {

        return serversFile;

    }

    /**

     * @param serversFile The serversFile to set.

     */

    public void setServersFile(String serversFile) {

        this.serversFile = serversFile;

    }

    /**

     * @return Returns the currentServer.

     */

    public String getCurrentServer() {

        return currentServer;

    }

    /**

     * @return Returns the cliente.

     */

    public CatalogClient getCliente() {

        return cliente;

    }

}