基于Java图形界面的IPV4与网址的地址解析器

//正则判断是不是ipv4地址  a.b.c.d
  public static boolean isIPv4(String data) {
     if (data == null) {
            return false;
     }
      Boolean bol = false;
        Pattern pattern = Pattern.compile("\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}");
        bol =  pattern.matcher(data).matches();
        if(bol==true) { //如果格式对了，那就在判断数字的大小
        String[] split = data.split("\\.");
        System.err.println( split.length);
        for (int i = 0; i < split.length; i++) {
        String string = split[i];
        System.out.println(string);
        if(Integer.valueOf(string)>244) {
          bol=false;
        }
      }
        }
        return bol;
  }

//正则判断是不是网址  www.abc.asd、www.a.d.s、q.w.d.c
  public static boolean iswww(String data) {
    if (data == null) {
            return false;
      }
    //http://  https://  带前缀的
//        Pattern pattern = Pattern.compile("^([hH][tT]{2}[pP]://|[hH][tT]{2}[pP][sS]://)(([A-Za-z0-9-~]+).)+([A-Za-z0-9-~\\/])+$");
        //不带前缀的
    Pattern pattern = Pattern.compile("^(([A-Za-z0-9-~]+).)+([A-Za-z0-9-~\\/])+$");
        return pattern.matcher(data).matches();
  }

package test02;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.Date;
import java.util.regex.Pattern;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JTextArea;
import javax.swing.JTextField;
public class test02 extends JFrame implements ActionListener{
  public static void main(String[] args) {
    new test02();
  }
  JLabel j1 = null;//提示
  JTextField jt1 = null;//接收输入的参数
  JButton jb1 = null;//确认按钮
  JTextArea jta = null;//显示结果的文本域
  public test02() {
    this.setTitle("地址域名解析器-v0.2");
    this.setLayout(null);
    j1 = new JLabel("请输入您要解析的IPV4地址或者域名：");
    jt1 = new JTextField(100);
    jb1 = new JButton("解析");
    jb1.addActionListener(this);
    jta = new JTextArea();
    this.add(j1);
    this.add(jt1);
    this.add(jb1);
    this.add(jta);
    j1.setBounds(30, 10, 250, 30);
    jt1.setBounds(303, 10, 300, 30);
    jb1.setBounds(630, 10, 100, 30);
    jta.setBounds(30, 80, 630, 200);
    this.setSize(800, 400);
    this.setVisible(true);
    this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  }
  @Override
  public void actionPerformed(ActionEvent e) {
    if(e.getSource() == jb1) {
      String data = jt1.getText();//获取用户输入的数据 
      if(isIPv4(data)==true) {
        try {
          InetAddress[] allByName = InetAddress.getAllByName(data);
          StringBuffer str = new StringBuffer();
          jta.setText("解析成功，结果："+(new Date().toString())+"\n");
          for (InetAddress net:allByName) {
            jta.append(String.valueOf(net)+"\n");
          }
        } catch (UnknownHostException e1) {
          System.out.println("出错了："+e1.getMessage()+"不正确");
          jta.setText("出错了："+e1.getMessage()+"不正确");
        }
      }else if(iswww(data)==true) {
        try {
          InetAddress[] allByName = InetAddress.getAllByName(data);
          StringBuffer str = new StringBuffer();
          jta.setText("解析成功，结果："+(new Date().toString())+"\n");
          for (InetAddress net:allByName) {
            jta.append(String.valueOf(net)+"\n");
          }
        } catch (UnknownHostException e1) {
          System.out.println("出错了："+e1.getMessage()+"不正确");
          jta.setText("出错了："+e1.getMessage()+"不正确");
        }
      }else {
        jta.setText("您输入的数据不合法，请检查后重新数据！");
      }
    }
  }
  //正则判断是不是网址  www.abc.asd、www.a.d.s、q.w.d.c
  public static boolean iswww(String data) {
    if (data == null) {
            return false;
      }
    //http://  https://  带前缀的
//        Pattern pattern = Pattern.compile("^([hH][tT]{2}[pP]://|[hH][tT]{2}[pP][sS]://)(([A-Za-z0-9-~]+).)+([A-Za-z0-9-~\\/])+$");
        //不带前缀的
    Pattern pattern = Pattern.compile("^(([A-Za-z0-9-~]+).)+([A-Za-z0-9-~\\/])+$");
        return pattern.matcher(data).matches();
  }
  //正则判断是不是ipv4地址  a.b.c.d
  public static boolean isIPv4(String data) {
     if (data == null) {
            return false;
     }
      Boolean bol = false;
        Pattern pattern = Pattern.compile("\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}");
        bol =  pattern.matcher(data).matches();
        if(bol==true) { //如果格式对了，那就在判断数字的大小
        String[] split = data.split("\\.");
        System.err.println( split.length);
        for (int i = 0; i < split.length; i++) {
        String string = split[i];
        System.out.println(string);
        if(Integer.valueOf(string)>244) {
          bol=false;
        }
      }
        }
        return bol;
  }
}