findwhois.java

一个查询某一个域名是否被注册的源代码 socket连接HTTP请求 网络编程学习

import java.io.IOException;
import java.io.InputStream;

public class findWhois extends Thread
{

    public InputStream in = null;

    private String url = null;

    private String equilStr = null;

    private int bgn =0, end = 0;

    // private String url1 =
    // "http://whois.hichina.com/cgi-bin/whois?domain=";//"http://www.123cha.com/domain/?q="
    public HttpClient http = null;

    findWhois(String str, String check,int b,int e)
    {

        url = str;
        equilStr = check;
        bgn = b;
        end = e;
    }

    public synchronized void run()
    {
        String urlStr = "";
//        for (int i = 0; i < 26; i++){
            for(int j = 0 ; j < 26; j++){
                for(int k = bgn; k < end; k++){
                    urlStr = url ;//+ (char)('a'+j)+ (char)('a'+k)+"888.cn";
                    System.out.println(urlStr);
                    http = new HttpClient(urlStr);
                    in = http.getInputStream();

                    byte[] tmp = new byte[15312];
                    try
                    {
                        in.read(tmp);
                    }
                    catch (IOException e)
                    {
                        // TODO 自动生成 catch 块
                        e.printStackTrace();
                    }
                    
                    

                    String str = new String(tmp);
                    
                    if ( str.indexOf(equilStr)!= -1){
                        System.out.println("========================"+equilStr+"====================");
                        System.out.println(urlStr);
                    }
                    

                    in = null;
                    
                    try
                    {
                        sleep(500);
                    }
                    catch (InterruptedException e)
                    {
                        // TODO 自动生成 catch 块
                        e.printStackTrace();
                    }
                }
            }
//        }


    }
}