optionsnetworkjpanel.java

JStock是一个免费股市软件

/*
 * OptionsNetworkJPanel.java
 *
 * Created on June 19, 2007, 8:16 PM
 *
 * 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.
 *
 * Copyright (C) 2007 Cheok YanCheng <[e-mail]>
 */

package org.yccheok.jstock.gui;

import java.io.IOException;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import javax.swing.*;
import org.apache.commons.httpclient.*;
import org.apache.commons.httpclient.methods.*;
import org.apache.commons.httpclient.params.HttpMethodParams;
import java.net.*;
import java.io.*;
import java.text.*;
import javax.swing.text.*;

/**
 *
 * @author  yccheok
 */
public class OptionsNetworkJPanel extends javax.swing.JPanel implements JStockOptionsObserver {
    
    /** Creates new form OptionsNetworkJPanel */
    public OptionsNetworkJPanel() {
        initComponents();
    }
    
    private JFormattedTextField getPortNumberJFormattedTextField() {
        DecimalFormat df = new DecimalFormat("#####");
        NumberFormatter nf = new NumberFormatter(df) {
            public String valueToString(Object iv) throws ParseException {
                if ((iv == null) || (((Integer)iv).intValue() == -1)) {
                    return "";
                }
                else {
                    return super.valueToString(iv);
                }
            }
            public Object stringToValue(String text) throws ParseException {
                if ("".equals(text)) {
                    return null;
                }
                return super.stringToValue(text);
            }
        };
        nf.setMinimum(0);
        nf.setMaximum(65534);
        nf.setValueClass(Integer.class);
        return new JFormattedTextField(nf);        
    }
    
    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
    // <editor-fold defaultstate="collapsed" desc=" Generated Code ">//GEN-BEGIN:initComponents
    private void initComponents() {
        jXHeader1 = new org.jdesktop.swingx.JXHeader();
        jPanel1 = new javax.swing.JPanel();
        jLabel1 = new javax.swing.JLabel();
        jLabel2 = new javax.swing.JLabel();
        jTextField1 = new javax.swing.JTextField();
        jLabel3 = new javax.swing.JLabel();
        jButton1 = new javax.swing.JButton();
        jLabel4 = new javax.swing.JLabel();
        jFormattedTextField1 = getPortNumberJFormattedTextField();

        setLayout(new java.awt.BorderLayout());

        jXHeader1.setDescription("If you are behind an organization network, you may need to specific network proxy server. Consult your network administrator for more info.");
        jXHeader1.setIcon(new javax.swing.ImageIcon(getClass().getResource("/images/32x32/connect_to_network.png")));
        jXHeader1.setTitle("Proxy Server");
        add(jXHeader1, java.awt.BorderLayout.NORTH);

        jLabel1.setText("Proxy Server");

        jLabel2.setText("Port");

        jLabel3.setFont(new java.awt.Font("Dialog", 0, 10));
        jLabel3.setText("(e.g. 192.168.0.165)");

        jButton1.setIcon(new javax.swing.ImageIcon(getClass().getResource("/images/16x16/internet.png")));
        jButton1.setText("Test connection");
        jButton1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton1ActionPerformed(evt);
            }
        });

        jLabel4.setFont(new java.awt.Font("Dialog", 0, 10));
        jLabel4.setText("(e.g. 1024)");

        javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);
        jPanel1.setLayout(jPanel1Layout);
        jPanel1Layout.setHorizontalGroup(
            jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanel1Layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addComponent(jLabel1)
                    .addComponent(jLabel2))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addComponent(jButton1)
                    .addGroup(jPanel1Layout.createSequentialGroup()
                        .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                            .addComponent(jFormattedTextField1, 0, 0, Short.MAX_VALUE)
                            .addComponent(jTextField1, javax.swing.GroupLayout.DEFAULT_SIZE, 106, Short.MAX_VALUE))
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addComponent(jLabel4)
                            .addComponent(jLabel3))))
                .addContainerGap(118, Short.MAX_VALUE))
        );
        jPanel1Layout.setVerticalGroup(
            jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanel1Layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel1)
                    .addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(jLabel3))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel2)
                    .addComponent(jFormattedTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(jLabel4))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addComponent(jButton1)
                .addContainerGap(122, Short.MAX_VALUE))
        );
        add(jPanel1, java.awt.BorderLayout.CENTER);

    }// </editor-fold>//GEN-END:initComponents
    
    private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton1ActionPerformed
// TODO add your handling code here:
        final String httpproxyHost = System.getProperties().getProperty("http.proxyHost");
        final String httpproxyPort = System.getProperties().getProperty("http.proxyPort");
        
        if((jTextField1.getText().length() > 0) && org.yccheok.jstock.engine.Utils.isValidPortNumber(jFormattedTextField1.getText())) {
            System.getProperties().put("http.proxyHost", jTextField1.getText());            
            System.getProperties().put("http.proxyPort", jFormattedTextField1.getText());
        }
        else {
            System.getProperties().remove("http.proxyHost");
            System.getProperties().remove("http.proxyPort");
        }
        
        /*
        try {
            java.net.InetAddress address = java.net.InetAddress.getByName("google.com");
            if(address.isReachable(5000) == false)
            {
                JOptionPane.showMessageDialog(this, "Wrong proxy server or port. Unable connect to internet.", "Internet down", JOptionPane.WARNING_MESSAGE);
                return;
            }
        }
        catch(java.net.UnknownHostException exp) {
            log.error("", exp);
            JOptionPane.showMessageDialog(this, "Wrong proxy server or port. Unable connect to internet.", "Internet down", JOptionPane.WARNING_MESSAGE);
            return;
        }
        catch (IOException exp) {
            log.error("", exp);
            JOptionPane.showMessageDialog(this, "Wrong proxy server or port. Unable connect to internet.", "Internet down", JOptionPane.WARNING_MESSAGE);
            return;
        }
        */
        boolean success = false;
        
        HttpClient httpClient = new HttpClient();
        HttpMethod method = new GetMethod("http://www.google.com");
        try {
            org.yccheok.jstock.engine.Utils.setHttpClientProxyFromSystemProperties(httpClient);
            httpClient.executeMethod(method);
            final String responde = method.getResponseBodyAsString();   
            success = true;
        }
        catch(HttpException exp) {
            log.error("", exp);
            JOptionPane.showMessageDialog(this, "Wrong proxy server or port. Unable connect to internet.", "Internet down", JOptionPane.WARNING_MESSAGE);
            return;
        }
        catch(IOException exp) {
            log.error("", exp);
            JOptionPane.showMessageDialog(this, "Wrong proxy server or port. Unable connect to internet.", "Internet down", JOptionPane.WARNING_MESSAGE);
            return;

        }
        finally {
            method.releaseConnection();
        }
                
        /*
        try
        {
            URL url = new URL("http://www.google.com");
            URLConnection connection = url.openConnection();
            connection.setConnectTimeout(5000);
            
            BufferedReader dis = new BufferedReader(new InputStreamReader(connection.getInputStream()));
            
            String tmpLine = tmpLine = dis.readLine();
            
            dis.close();
            
            success = true;
        } catch (MalformedURLException me) {
            log.error("", me);            
           
        } catch (IOException ioe) {
            log.error("", ioe);            
        }
        */
        
        if(success)
            JOptionPane.showMessageDialog(this, "Correct proxy server and port. Internet connection success.", "Connection success", JOptionPane.INFORMATION_MESSAGE);
        else
            JOptionPane.showMessageDialog(this, "Wrong proxy server or port. Unable connect to internet.", "Internet down", JOptionPane.WARNING_MESSAGE);
        
        if(httpproxyHost != null) {
            System.getProperties().put("http.proxyHost", httpproxyHost);
        }
        else {
            System.getProperties().remove("http.proxyHost");
        }

        if(httpproxyPort != null) {
            System.getProperties().put("http.proxyPort", httpproxyPort);
        }
        else {
            System.getProperties().remove("http.proxyPort");        
        }
    }//GEN-LAST:event_jButton1ActionPerformed

    public void set(JStockOptions jStockOptions) {
        jTextField1.setText(jStockOptions.getProxyServer());
        if(org.yccheok.jstock.engine.Utils.isValidPortNumber(jStockOptions.getProxyPort()))
            jFormattedTextField1.setText("" + jStockOptions.getProxyPort());
        else
            jFormattedTextField1.setText("");
    }

    public boolean apply(JStockOptions jStockOptions) {        
        if((jTextField1.getText().length() > 0) && org.yccheok.jstock.engine.Utils.isValidPortNumber(jFormattedTextField1.getText())) {
            System.getProperties().put("http.proxyHost", jTextField1.getText());
            System.getProperties().put("http.proxyPort", jFormattedTextField1.getText());
        }
        else {
            System.getProperties().remove("http.proxyHost");
            System.getProperties().remove("http.proxyPort");
        }
        
        jStockOptions.setProxyServer(jTextField1.getText());
        int port = -1;
        
        if(jFormattedTextField1.getText().length() > 0) {
            try {
                port = Integer.parseInt(jFormattedTextField1.getText());
            }
            catch(NumberFormatException exp) {
                log.error("", exp);
            }
        }
        
        jStockOptions.setProxyPort(port);
        
        return true;
    }
    
    private static final Log log = LogFactory.getLog(OptionsNetworkJPanel.class);
    
    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JButton jButton1;
    private javax.swing.JFormattedTextField jFormattedTextField1;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JLabel jLabel2;
    private javax.swing.JLabel jLabel3;
    private javax.swing.JLabel jLabel4;
    private javax.swing.JPanel jPanel1;
    private javax.swing.JTextField jTextField1;
    private org.jdesktop.swingx.JXHeader jXHeader1;
    // End of variables declaration//GEN-END:variables
    
}