jpcapdumper.java

一个java编写的抓包并切可以分析的代码

package jdumper;
import java.util.*;
import java.io.*;

import javax.swing.JOptionPane;

import jdumper.ui.JDFrame;
import jpcap.JpcapCaptor;

public class JpcapDumper
{
	public static Properties JDProperty;
	
	public static javax.swing.JFileChooser chooser=new javax.swing.JFileChooser();

	static Vector frames=new Vector();

	public static void main(String[] args){
		try{
			Class c=Class.forName("jpcap.JpcapCaptor");
		}catch(ClassNotFoundException e){
			JOptionPane.showMessageDialog(null,"Cannot find Jpcap. Please download and install Jpcap before running.");
			System.exit(0);
		}
		
		JDPacketAnalyzerLoader.loadDefaultAnalyzer();
		JDStatisticsTakerLoader.loadStatisticsTaker();
		loadProperty();
		
		openNewWindow();
	}
	
	public static void saveProperty(){
		if(JDProperty==null) return;
		try{
			JDProperty.store((OutputStream)new FileOutputStream("JpcapDumper.property"),"JpcapDumper");
			//JDProperty.store(new FileOutputStream("JpcapDumper.property"),"JpcapDumper");
		}catch(IOException e){
		}catch(ClassCastException e){
		}
	}
	
	static void loadProperty(){
		try{
			JDProperty=new Properties();
			JDProperty.load((InputStream)new FileInputStream("JpcapDumper.property"));
		}catch(IOException e){
		}
	}
	
	public static void openNewWindow(){
		JDCaptor captor=new JDCaptor();
		frames.add(JDFrame.openNewWindow(captor));
	}
	
	public static void closeWindow(JDFrame frame){
		frame.captor.stopCapture();
		frame.captor.saveIfNot();
		frame.captor.closeAllWindows();
		frames.remove(frame);
		frame.dispose();
		if(frames.isEmpty()){
			saveProperty();
			System.exit(0);
		}
	}
	
	protected void finalize() throws Throwable{
		saveProperty();
	}
}