awtthreadtest.java

工作流应用源码

package com.softwarematch.workflow;

import java.awt.event.*;
import javax.swing.*;
import java.net.*;
import java.io.*;
import java.util.*;

public class AwtThreadTest{

JFrame f = new JFrame("TestThread");

JTextField tf1  =new JTextField(30);
JLabel jl = new JLabel("Input the URL:");
JTextArea jta = new JTextArea();

JButton b1 = new JButton("Download");
JButton b2 = new JButton("CloseWindow");

JPanel p1 = new JPanel();
JPanel p2 = new JPanel();


public AwtThreadTest(){
p1.add(jl);
p1.add(tf1);
b1.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
String str = tf1.getText();
try {
URL url = new URL(str);
URLConnection uc = url.openConnection();
String line = System.getProperty("line.separator");
jta.append("Host: " + url.getHost());
jta.append(line);
jta.append("Path: " + url.getPath());
jta.append(line);
jta.append("Port: " + url.getPort());
jta.append(line);
jta.append("Protocol: " + url.getProtocol());
jta.append(line);
jta.append("Ref: " + url.getRef());
jta.append(line);
jta.append("File: " + url.getFile());
jta.append(line);
jta.append("Type: " + uc.getContentType());
jta.append(line);
jta.append("Length: " + uc.getContentLength());

String filename = url.getFile();
StringTokenizer st = new StringTokenizer(filename,"/");
LinkedList ll = new LinkedList();
if(st.hasMoreTokens()){
ll.add(st.nextElement());
}
String finalfilename = (String)(ll.getFirst());
InputStream is = uc.getInputStream();
FileOutputStream fos = new FileOutputStream(
"D:" + System.getProperty("file.separator")+ finalfilename);
int data;
while((data = is.read()) != -1){
fos.write(data);

}
is.close();
fos.close();
} catch (Exception e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
}
});
b2.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
System.exit(0);
}
});

p2.add(b1);
p2.add(b2);
f.getContentPane().add(p1,"North");
f.getContentPane().add(jta,"Center");
f.getContentPane().add(p2,"South");
f.setSize(500,300);
f.setLocation(200,200);
f.addWindowListener(new WindowAdapter(){
public void windowClosing(WindowEvent e){
System.exit(0);
}
});
f.show();

}

//public void run(){
//while(true)
//
//}
public static void main(String[] args) {
// TODO Auto-generated method stub
AwtThreadTest at = new AwtThreadTest();

}

}