android 基于 socket 的Whois域名查询，，整个项目打包下载

package cn.net.vb.whois.whois;

import android.app.ProgressDialog;
import android.os.Handler;
import android.os.Message;
import android.support.v7.app.ActionBarActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;


import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.Socket;
import java.util.List;



public class MainActivity extends ActionBarActivity {


    private static final int DEFAULT_PORT = 43;
    TextView tv1;
    String strinfo;
    EditText txtdomain;

    //装载Beauty类型的链表，其内容由XML文件解析得到
    private List<Beauty> beautyList;
    private ProgressDialog pd;



    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        tv1 = (TextView) findViewById(R.id.tv1);
        txtdomain = (EditText) findViewById(R.id.txtdomain);

        //开始按钮
        Button button1 = (Button) findViewById(R.id.button1);
        button1.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {

                //提示框，这样写在WINFORM是动画是动不了的，但Activity可以
                pd = ProgressDialog.show(MainActivity.this, "请稍等", "正在从whois主机获取信息");

                //启动线程
                mHandler(txtdomain.getText().toString());

            }
        });

    }


    //获取XML里的WHOIS主机
    private String get_whois_xml_server(String domain) {
        String result = "";
        String[] arr;
        String tld="";
        String serv="";


        try {
            //通过assertmanager的open方法获取到beauties.xml文件的输入流
            InputStream is = getResources().getAssets().open("whois.xml"); // 这个文件在assets下
            //初始化自定义的实现类BeautyParserImpl
            BeautyParserImpl pbp = new BeautyParserImpl();
            //调用pbp的parse()方法，将输入流传进去解析，返回的链表结果赋给beautyList
            beautyList = pbp.parse(is);
        } catch (Exception e) {
            e.printStackTrace();
        }


        for (Beauty b : beautyList) {
            result = b.toString();
            //看Beauty.java文件，arr[0]是域名后辍，arr[1]就是主机名
            arr=result.split("===");
            //在JAVA中，判断字符串相等要用equals，而不是像其它程序那样用==，习惯害死人
            if(getTLD(domain).equals(arr[0].toString())){
                serv =arr[1].toString();
                break;
            }
        }

        return serv;
    }




   //子线程，当接收到WHOIS信息就关半那个提示框
    private void mHandler(final String strname) {
        Thread thread = new Thread() {
            @Override
            public void run() {

                Message message = handler2.obtainMessage();
                message.arg1 = 1;
                message.obj = getwhois(strname).toString();
                handler2.sendMessage(message);
                pd.dismiss();// 关闭ProgressDialog

            }
        };
        thread.start();
        thread = null;
    }


   //更新UI
    final Handler handler2 = new Handler() {
        @Override
        public void handleMessage(Message msg) {
            tv1.setText(String.valueOf(msg.obj.toString()));
        }
    };



    //用Socket连接到WHOIS服务器获取信息
    private String getwhois(String domain) {
        try {


            //获取xml里的whois地址
           String whoisaddress = get_whois_xml_server(domain);
           Log.i("whois_server=======",whoisaddress.toString());

            //创建socket，并指定主机和端口
            Socket socket = new Socket(whoisaddress, DEFAULT_PORT);
            String lineSeparator = "\r\n";
            PrintWriter out = new PrintWriter(socket.getOutputStream());
            out.println(domain);
            out.flush();
            BufferedReader in = new BufferedReader(new InputStreamReader(socket.getInputStream()));
            StringBuilder ret = new StringBuilder();
            String line;
            while ((line = in.readLine()) != null) {
                ret.append(line + lineSeparator);
            }
            socket.close();
            //Log.i("WHOIS_info======:", ret.toString());

            return ret.toString();

        } catch (IOException e) {
            e.printStackTrace();
            return  e.getMessage().toString();
        }


    }





    //获取域名后辍
    private String getTLD(String domain) {
        final int index;
        return (domain == null || (index = domain.lastIndexOf(‘.‘) + 1) < 1) ? domain
                : (index < (domain.length())) ? domain.substring(index) : "";
    }






    // 读取assets文件
/*    private void assetsRead(){
        String fileName = "whois.xml";
        String ret = "";
        try {
            InputStream is = getResources().getAssets().open(fileName);
            int len = is.available();
            byte []buffer = new byte[len];
            is.read(buffer);
            ret = EncodingUtils.getString(buffer, "utf-8");
            is.close();
        } catch (Exception e) {
            e.printStackTrace();
        }

        tv1 = (TextView) findViewById(R.id.tv1);
        tv1.setText(ret);
    }*/





    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.menu_main, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();

        //noinspection SimplifiableIfStatement
        if (id == R.id.action_settings) {
            return true;
        }

        return super.onOptionsItemSelected(item);
    }
}