hourly.java~15~

java课的一个功课

package Statistics;

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

public class Hourly extends JFrame {
  BufferedReader br;
  Vector v1,v2,v3;
  JLabel jLabel1 = new JLabel();
  JLabel jLabel2 = new JLabel();
  JLabel jLabel3 = new JLabel();
  JLabel jLabel4 = new JLabel();
  JLabel jLabel5 = new JLabel();
  JList jList1 = new JList();
  JList jList2 = new JList();
  JList jList3 = new JList();
  JScrollPane jScrollPane1 = new JScrollPane();
  JScrollPane jScrollPane2 = new JScrollPane();
  JScrollPane jScrollPane3 = new JScrollPane();

  public Hourly() {
    try {
      Hourly();
      jbInit();
    }
    catch(Exception ex) {
      ex.printStackTrace();
    }
  }

  void jbInit() throws Exception {
    jLabel1.setFont(new java.awt.Font("Dialog", 0, 16));
    jLabel1.setMaximumSize(new Dimension(160, 15));
    jLabel1.setHorizontalAlignment(SwingConstants.CENTER);
    jLabel1.setText("Access Statistics for Web Pages");
    jLabel1.setBounds(new Rectangle(106, 22, 253, 25));
    this.getContentPane().setLayout(null);
    jLabel2.setFont(new java.awt.Font("Dialog", 2, 12));
    jLabel2.setHorizontalAlignment(SwingConstants.CENTER);
    jLabel2.setText("Hourly Transmission Statistics");
    jLabel2.setBounds(new Rectangle(129, 59, 189, 27));
    jLabel3.setText("Time");
    jLabel3.setBounds(new Rectangle(75, 99, 54, 12));
    jLabel4.setToolTipText("");
    jLabel4.setText("Bytes Sent");
    jLabel4.setBounds(new Rectangle(193, 96, 76, 16));
    jLabel5.setText("Request");
    jLabel5.setBounds(new Rectangle(310, 97, 74, 16));
    jList1.setBounds(new Rectangle(72, 116, 88, 249));
    jScrollPane1.setBounds(new Rectangle(72, 117, 89, 249));
    jList2.setBounds(new Rectangle(189, 117, 88, 203));
    jList3.setBounds(new Rectangle(310, 118, 88, 249));
    jScrollPane2.setBounds(new Rectangle(189, 118, 89, 249));
    jScrollPane3.setBounds(new Rectangle(309, 119, 89, 249));
    this.getContentPane().add(jLabel1, null);
    this.getContentPane().add(jLabel2, null);
    this.getContentPane().add(jLabel4, null);
    this.getContentPane().add(jScrollPane1, null);
    this.getContentPane().add(jList1, null);
    this.getContentPane().add(jScrollPane2, null);
    this.getContentPane().add(jList2, null);
    this.getContentPane().add(jScrollPane3, null);
    this.getContentPane().add(jLabel5, null);
    this.getContentPane().add(jList3, null);
    this.getContentPane().add(jLabel3, null);
    jScrollPane1.getViewport().add(new JList(v1), null);
    jScrollPane2.getViewport().add(new JList(v2), null);
    jScrollPane3.getViewport().add(new JList(v3), null);
    this.setBounds(0,0,500,500);
    this.setVisible(true);
    this.setDefaultCloseOperation(1);
  }

  public static void main(String[] args) {
    Hourly hourly = new Hourly();
  }

 void Hourly() {
         v1 = new Vector();
         v2 = new Vector();
         v3 = new Vector();

  try{
    br = new BufferedReader(new FileReader("Z:\\accessstatistics.htm"));
    String line="";
    while((line=br.readLine())!=null){
      if(line.equals("<H2><A name=Hourly>Hourly Transmission Statistics</A></H2><PRE>****************************************")){
        for(int i=0;i<2;i++)
          br.readLine();
        while(!(line=br.readLine()).equals("</PRE>")){
          extract(line);
        }
      }
    }// end reading from file
  }
    catch(IOException e1){System.out.println("file not found");}
  }

  public void extract(String s){
    String time, bytesSent, requests;
    StringTokenizer st = new StringTokenizer(s,"\t\n |");
    st.nextToken();
    st.nextToken();
    bytesSent = st.nextToken();
    requests = st.nextToken();
    time = st.nextToken()+":00";
    v1.addElement(time);
    v2.addElement(bytesSent);
    v3.addElement(requests);
  }

}