rooterframe1.java

这是一个模拟路由器的距离矢量路由算法

package rooter;

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import com.borland.jbcl.layout.*;
import javax.swing.border.*;

/**
 * <p>Title: </p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2005</p>
 * <p>Company: </p>
 * @author not attributable
 * @version 1.0
 */

public class RooterFrame1 extends JFrame {
  ///////////////////////////////////////////////////
  private final int MAX_VERTS = 20;
  private final int INFINITY = 1000000;
  private Vertex vertexList[]; // list of vertices
  private int adjMat[][];      // adjacency matrix
  private int nVerts;          // current number of vertices
  private int nTree;           // number of verts in tree
  private DistPar sPath[];     // array for shortest-path data
  private int currentVert;     // current vertex
  private int startToCurrent;  // distance to currentVert

  ////////////////////////////////////////////////////
  JPanel contentPane;
  XYLayout xYLayout1 = new XYLayout();
  JPanel jPanel1 = new JPanel();
  TitledBorder titledBorder1;
  JLabel jLabel1 = new JLabel();
  JButton router0 = new JButton();
  JButton router1 = new JButton();
  JButton router2 = new JButton();
  JButton router3 = new JButton();
  JButton router4 = new JButton();
  TitledBorder titledBorder2;
  TitledBorder titledBorder3;
  JPanel jPanel4 = new JPanel();
  TitledBorder titledBorder4;
  JLabel jLabel2 = new JLabel();
  XYLayout xYLayout3 = new XYLayout();
  JTextField sendJTextField = new JTextField();
  JLabel jLabel3 = new JLabel();
  JButton send = new JButton();
  JScrollPane jScrollPane1 = new JScrollPane();
  JTextArea sendMes = new JTextArea();
  JButton jButton2 = new JButton();
  JScrollPane jScrollPane2 = new JScrollPane();
  JTextArea jTextArea1 = new JTextArea();
  JScrollPane jScrollPane3 = new JScrollPane();
  JScrollPane jScrollPane4 = new JScrollPane();
  JLabel jLabel5 = new JLabel();
  JTextArea jTextArea2 = new JTextArea();
  JTextArea jTextArea3 = new JTextArea();
  JButton linkButton = new JButton();
  FlowLayout flowLayout1 = new FlowLayout();

  //Construct the frame
  public RooterFrame1() {
    //////////////////////////////////////////////////////////
    vertexList = new Vertex[MAX_VERTS];
                                   // adjacency matrix
    adjMat = new int[MAX_VERTS][MAX_VERTS];
    nVerts = 0;
    nTree = 0;
    for (int j = 0; j < MAX_VERTS; j++) // set adjacency
      for (int k = 0; k < MAX_VERTS; k++) //     matrix
        adjMat[j][k] = INFINITY; //     to infinity
    sPath = new DistPar[MAX_VERTS]; // shortest paths

    //////////////////////////////////////////////////////////
    enableEvents(AWTEvent.WINDOW_EVENT_MASK);
    try {
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }
  //Component initialization
  private void jbInit() throws Exception  {
    contentPane = (JPanel) this.getContentPane();
    jLabel2.setFont(new java.awt.Font("Dialog", 1, 11));
    jLabel2.setForeground(Color.blue);
    jLabel2.setText("发送给");
    titledBorder1 = new TitledBorder("模拟路由器");
    titledBorder2 = new TitledBorder(BorderFactory.createEtchedBorder(Color.white,new Color(178, 178, 178)),"链路状态信息");
    titledBorder3 = new TitledBorder(BorderFactory.createEtchedBorder(Color.white,new Color(178, 178, 178)),"路由表");
    titledBorder4 = new TitledBorder(BorderFactory.createEtchedBorder(Color.white,new Color(148, 145, 140)),"路由信息");
    contentPane.setLayout(xYLayout1);
    this.getContentPane().setBackground(UIManager.getColor(
        "InternalFrame.inactiveTitleBackground"));
    this.setJMenuBar(null);
    this.setSize(new Dimension(550,480));
    this.setTitle("链路状态路由");
    this.setVisible(true);
    contentPane.setForeground(Color.black);
    jPanel1.setBackground(SystemColor.inactiveCaption);
    jPanel1.setBorder(titledBorder1);
    jPanel1.setLayout(flowLayout1);
    jLabel1.setBackground(Color.pink);
    jLabel1.setFont(new java.awt.Font("Dialog", 0, 15));
    jLabel1.setForeground(Color.blue);
    jLabel1.setBorder(BorderFactory.createRaisedBevelBorder());
    jLabel1.setHorizontalAlignment(SwingConstants.CENTER);
    jLabel1.setHorizontalTextPosition(SwingConstants.CENTER);
    jLabel1.setText("链路状态路由实验模拟");
    jLabel1.setVerticalAlignment(SwingConstants.CENTER);
    jLabel1.setVerticalTextPosition(SwingConstants.CENTER);
    router0.setText("Router0");
    router0.addActionListener(new RooterFrame1_router0_actionAdapter(this));
    router1.setText("Router1");
    router1.addActionListener(new RooterFrame1_router1_actionAdapter(this));
    router2.setSelectedIcon(null);
    router2.setText("Router2");
    router2.addActionListener(new RooterFrame1_router2_actionAdapter(this));
    router3.setText("Router3");
    router3.addActionListener(new RooterFrame1_router3_actionAdapter(this));
    router4.setText("Router4");
    router4.addActionListener(new RooterFrame1_router4_actionAdapter(this));
    jPanel4.setBorder(titledBorder4);
    jPanel4.setLayout(xYLayout3);
    sendJTextField.setText("");
    jLabel3.setFont(new java.awt.Font("Dialog", 1, 11));
    jLabel3.setForeground(Color.blue);
    jLabel3.setText("号路由器");
    send.setFont(new java.awt.Font("Dialog", 1, 13));
    send.setForeground(Color.blue);
    send.setActionCommand("发送信息");
    send.setText("发送信息");
    send.addActionListener(new RooterFrame1_send_actionAdapter(this));
    sendMes.setText("");
    jScrollPane1.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS);
    jScrollPane1.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_ALWAYS);
    jButton2.setFont(new java.awt.Font("Dialog", 1, 13));
    jButton2.setForeground(Color.blue);
    jButton2.setText("处理路由信息");
    jTextArea1.setToolTipText("");
    jTextArea1.setText("");
    jLabel5.setFont(new java.awt.Font("Dialog", 1, 13));
    jLabel5.setForeground(Color.blue);
    jLabel5.setIconTextGap(4);
    jLabel5.setText("路由表");
    jTextArea2.setText("");
    jScrollPane3.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS);
    jScrollPane3.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_ALWAYS);
    jScrollPane2.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS);
    jScrollPane2.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_ALWAYS);
    jTextArea3.setText("");
    jScrollPane4.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS);
    jScrollPane4.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_ALWAYS);
    linkButton.setFont(new java.awt.Font("Dialog", 1, 13));
    linkButton.setForeground(Color.blue);
    linkButton.setText("链路信息");
    contentPane.add(linkButton, new XYConstraints(22, 83, 107, -1));
    jPanel4.add(jLabel2,      new XYConstraints(6, 0, 41, 27));
    jPanel4.add(sendJTextField,     new XYConstraints(48, 1, 28, 26));
    jPanel4.add(jLabel3,  new XYConstraints(85, 1, 50, 28));
    jPanel4.add(send, new XYConstraints(132, 1, 92, 28));
    jPanel4.add(jButton2, new XYConstraints(339, 3, 119, 27));
    contentPane.add(jLabel1, new XYConstraints(64, 1, 394, 30));
    contentPane.add(jLabel5, new XYConstraints(277, 84, 61, 26));
    jScrollPane2.getViewport().add(jTextArea1, null);
    jScrollPane3.getViewport().add(jTextArea2, null);
    contentPane.add(jPanel4, new XYConstraints(20, 235, 503, 202));
    contentPane.add(jScrollPane4, new XYConstraints(277, 113, 245, 124));
    jScrollPane4.getViewport().add(jTextArea3, null);
    contentPane.add(jScrollPane3, new XYConstraints(20, 112, 240, 125));
    jPanel4.add(jScrollPane1, new XYConstraints( -6, 35, 240, 135));
    jScrollPane1.getViewport().add(sendMes, null);
    jPanel4.add(jScrollPane2, new XYConstraints(251, 36, 245, 133));
    jPanel1.add(router0, null);
    jPanel1.add(router1, null);
    jPanel1.add(router2, null);
    jPanel1.add(router3, null);
    jPanel1.add(router4, null);
    //jPanel1.add(router1,null);
    contentPane.add(jPanel1, new XYConstraints(20, 33, 502, 49));
  }
  //Overridden so we can exit when window is closed
  protected void processWindowEvent(WindowEvent e) {
    super.processWindowEvent(e);
    if (e.getID() == WindowEvent.WINDOW_CLOSING) {
      System.exit(0);
    }
  }

  public void router0_actionPerformed(ActionEvent e) {
    jTextArea2.setText("");
    jTextArea2.append("线路\t" + "延迟\n");
    jTextArea2.append("0->1\t" + 5 + "\n");
    jTextArea2.append("0->3\t" + 8 + "\n");
//------------------------------------------------------
    jTextArea3.setText("");
    jTextArea3.append("目的\t下一站\t时间\n");
    add();
    path(0);
//--------------------------------------------------------------
    for(int j=0; j<nVerts; j++) // display contents of sPath[]
       {
       jTextArea3.append(String.valueOf(vertexList[j].label) + "\t");
       char parent = vertexList[ sPath[j].parentVert].label;
       jTextArea3.append(String.valueOf(parent)+"\t");
       if(sPath[j].distance == INFINITY)
         jTextArea3.append("inf\t\n");
       else
         jTextArea3.append(String.valueOf(sPath[j].distance)+"\n");
       }
//--------------------------------------------------------------
    cleartree();
  }
//-------------------------------------------------------------
  public void router1_actionPerformed(ActionEvent e) {
    jTextArea2.setText("");
    jTextArea2.append("线路\t" + "延迟\n");
    jTextArea2.append("1->2\t" + "6\n");
    jTextArea2.append("1->3\t" + "9\n");
    jTextArea2.append("1->4\t" + "5\n");
//----------------------------------------------------------
    jTextArea3.setText("");
    jTextArea3.append("目的\t下一站\t时间\n");
    add();
    path(1);
//--------------------------------------------------------------
    for(int j=0; j<nVerts; j++) // display contents of sPath[]
   {
   jTextArea3.append(String.valueOf(vertexList[j].label) + "\t");
   char parent = vertexList[ sPath[j].parentVert ].label;
   jTextArea3.append(String.valueOf(parent)+"\t");
   if(sPath[j].distance == INFINITY)
     jTextArea3.append("inf\t\n");
   else
     jTextArea3.append(String.valueOf(sPath[j].distance)+"\n");
   }
//--------------------------------------------------------------
   cleartree();

  }

  public void router2_actionPerformed(ActionEvent e) {
    jTextArea2.setText("");
    jTextArea2.append("线路\t" + "延迟\n");
    jTextArea2.append("2->4\t" + "4\n");
    jTextArea2.append("2->3\t" + "2\n");

    jTextArea3.setText("");
    jTextArea3.append("目的\t下一站\t时间\n");
    add();
    path(2);
  //--------------------------------------------------------------
    for (int j = 0; j < nVerts; j++) { // display contents of sPath[]
      jTextArea3.append(String.valueOf(vertexList[j].label) + "\t");
      char parent = vertexList[sPath[j].parentVert].label;
      jTextArea3.append(String.valueOf(parent) + "\t");
      if (sPath[j].distance == INFINITY)
        jTextArea3.append("inf\t\n");
      else
        jTextArea3.append(String.valueOf(sPath[j].distance) + "\n");
    }
  //--------------------------------------------------------------
    cleartree();

  }

  public void router3_actionPerformed(ActionEvent e) {
    jTextArea2.setText("");
    jTextArea2.append("线路\t" + "延迟\n");
    jTextArea2.append("3->0\t" + "8\n");