시소당

java URL 클래스입니다.

//  GET  방식으로  사용자  쿼리  전달

import  java.io.*;
import  java.net.*;

public  class  DaumSearch{
  public  static  void  main(String[]  args){
    if(args.length  !=  2){
      System.out.println("사용법:  java  DaumSearch  keyboard  filename");
      System.exit(1);
    }

    try{
      String  keyboard  =  URLEncoder.encode(args[0],  "UTF-8");  //수정하지  않아도  별  문제  없음
      //  http://search.daum.net/cgi-bin/nsp/search.cgi?nil_profile=g&nil_search=btn&w=tot&q=
      String  query  =  "nil_profile=g&nil_search=btn&w=tot&q="  +  keyboard;
      String  u  =  "http://search.daum.net/cgi-bin/nsp/search.cgi?";
      System.out.println(u  +  query);

      URL  url  =  new  URL(u  +  query);  //url에  쿼리  포함
      URLConnection  urlcon  =  url.openConnection();
      HttpURLConnection  hurlc  =  (HttpURLConnection)urlcon;

  //굳이  쓰지  않아도  되는  부분  또는  불필요한  부분
  /*    hurlc.setRequestMethod("GET");
      hurlc.setDoOutput(true);  //  URL  주소의  웹  애플리케이션에게  사용자  쿼리를  전달하는  것
      hurlc.setDoInput(true);  //  URL  주소의  내용을  읽어들이는  것.
      hurlc.setUseCaches(false);
      hurlc.setDefaultUseCaches(false);

      PrintWriter  out  =  new  PrintWriter(hurlc.getOutputStream());
      out.println(query);  //  쿼리를  웹  애플리케이션에  전달.
      out.close();  */

      BufferedReader  br  =  new  BufferedReader(new  InputStreamReader(hurlc.getInputStream()));
      PrintWriter  pw  =  new  PrintWriter(new  FileWriter(args[1]));
      String  inputLine  =  null;

      while((inputLine  =  br.readLine())  !=  null){
        pw.write(inputLine);
      }//while
      br.close();
      pw.close();
      System.out.println("검색된  결과가  "  +  args[1]  +  "에  저장되었습니다.");
    }catch(Exception  ex){
      System.out.println(ex);
    }
  }//main
}