newredirectdialog.java

java实现的代理程序 socket 编程实现的http 和socket 代理程序

/*
 * Created on 01-mar-2004
 * 
 * To change the template for this generated file go to Window - Preferences -
 * Java - Code Generation - Code and Comments
 */
package javatunnel.gui;

import javatunnel.Configuration;

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;


/**
 * @author utopio
 * 
 * To change the template for this generated type comment go to Window -
 * Preferences - Java - Code Generation - Code and Comments
 */
public class NewRedirectDialog extends NewConnectionDialog {
	JDialog dialog;
	JTextField sourcePort;
	JTextField destinationPort;
	JTextField destinationIP;
	JCheckBox manageHosts;

	public NewRedirectDialog(JFrame parent) {
		
		dialog = new JDialog(parent, "Creating new redirect connection", true);
		dialog.setSize(300, 200);
		Container contentPane = dialog.getContentPane();
		contentPane.setLayout(new GridLayout(5,2));
	
		JPanel p1=new JPanel();
		FlowLayout flow1=new FlowLayout();
		flow1.setAlignment(FlowLayout.LEFT);
		p1.setLayout(flow1);
		p1.add(new JLabel("Source port"));
		contentPane.add(p1);
		
		sourcePort = new JTextField(6);
		JPanel p2=new JPanel();
		FlowLayout flow2=new FlowLayout();
		flow2.setAlignment(FlowLayout.LEFT);
		p2.setLayout(flow2);
		p2.add(sourcePort);
		contentPane.add(p2);
	
		JPanel p3=new JPanel();
		FlowLayout flow3=new FlowLayout();
		flow3.setAlignment(FlowLayout.LEFT);
		p3.setLayout(flow3);
		p3.add(new JLabel("Destination port"));
		contentPane.add(p3);
		
		
		destinationPort = new JTextField(6);
		JPanel p4=new JPanel();
		FlowLayout flow4=new FlowLayout();
		flow4.setAlignment(FlowLayout.LEFT);
		p4.setLayout(flow4);
		p4.add(destinationPort);
		contentPane.add(p4);
		
	
		JPanel p5=new JPanel();
		FlowLayout flow5=new FlowLayout();
		flow5.setAlignment(FlowLayout.LEFT);
		p5.setLayout(flow5);
		p5.add(new JLabel("Destination address"));
		contentPane.add(p5);
		
		destinationIP = new JTextField(16);
		JPanel p6=new JPanel();
		FlowLayout flow6=new FlowLayout();
		flow6.setAlignment(FlowLayout.LEFT);
		p6.setLayout(flow6);
		p6.add(destinationIP);
		contentPane.add(p6);
		
		JPanel p7=new JPanel();
		FlowLayout flow7=new FlowLayout();
		flow7.setAlignment(FlowLayout.LEFT);
		p7.setLayout(flow7);
		manageHosts=new JCheckBox("Manage hosts file");
		manageHosts.setSelected(false);
		p7.add(manageHosts);
		contentPane.add(p7);
		
		contentPane.add(new JLabel());


	
		JButton accept = new JButton("Accept");
		accept.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent action) {
				getConfiguration();

			}
		});
		JPanel p8=new JPanel();
		p8.add(accept);
		contentPane.add(p8);

		JButton cancel = new JButton("Cancel");
		cancel.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent action) {
				dialog.hide();			
				dialog.dispose();
			}
		});
		JPanel p9=new JPanel();
		p9.add(cancel);
		contentPane.add(p9);
		
		dialog.show();

	}

	private void getConfiguration() {
		String sourcePortText = sourcePort.getText();
		String destinationPortText = destinationPort.getText();
		String destinationIPText = destinationIP.getText();
		int sourcePortInt;
		int destinationPortInt;
		try {
			sourcePortInt = Integer.parseInt(sourcePortText);
		} catch (NumberFormatException nfe) {
			JOptionPane.showMessageDialog(
				dialog,
				"Source port value must be a number",
				"Format Error",
				JOptionPane.WARNING_MESSAGE);
			return;
		}
		try {
			 destinationPortInt = Integer.parseInt(destinationPortText);
		} catch (NumberFormatException nfe) {
			JOptionPane.showMessageDialog(
				dialog,
				"Destiantion port value must be a number",
				"Format Error",
				JOptionPane.WARNING_MESSAGE);
			return;
		}
	 if(destinationIPText.length()==0){
	 	JOptionPane.showMessageDialog(
	 			dialog,
				"Destination address is mandatory",
				"Format Error",
				JOptionPane.WARNING_MESSAGE);
	 	return;
	 }
		configuration = new Configuration();
		configuration.setMode(Configuration.MODE_REDIRECT);
		configuration.setLocalPort(sourcePortInt);
		configuration.setDestinationPort(destinationPortInt);
		configuration.setDestinationAddress(destinationIPText);
		configuration.setManageHostsFile(manageHosts.isSelected());
		create();
		dialog.hide();			
		dialog.dispose();
	}

}