//================================================================C
//  Web(http)から株価データを入手  (入力と同じ形で出力)
//    Http(Input):  http://table.yahoo.co.jp/t
//                  株価コード(nnnn)を指定する
//    Output File:  M-nnnn.txt    : プログラムと同じディレクトリ
//----------------------------------------------------------------C
//    取得月数の最大は50ヶ月 
//      Start date :  y1   = 2007;  m1    = 1;
//      End date   :  year = 2010;  month = 12;
//----------------------------------------------------------------C
//    javac HttpRead1.java  : classファイルの作成
//    java HttpRead1        : 実行   
//----------------------------------------------------------------C
//    Written by Yasunori Ushiro (後　保範),  2011/10/31
//        ( Waseda University, 早稲田大学 ) 
//================================================================C
import java.net.*;
import java.io.*;
import java.util.*;
public class HttpRead1 {
   public static void main(String[] args)
      throws MalformedURLException, ProtocolException, IOException {
      String[] Ary, Wk;  String input, str, str1;
      String[] Ar1, Ar2;
      String small = "<small>"; int count=1;
      int year, month, y1, m1, cy, cm, nmonth, end = 0;
//  Set start and end date (year, month)
      y1   = 2007;  m1    = 1;
      year = 2010;  month = 12;
      nmonth = (year - y1)*12 + month - m1 + 1;
//  Input stock-code
      System.out.println("株価コード(4桁の数字)を入力");
      InputStreamReader in = new InputStreamReader(System.in);
      BufferedReader br = new BufferedReader(in);
      String code = br.readLine();
//  Http Connection and Input Buffer
      cy = year;  cm = month;
      URL url = new URL("http://table.yahoo.co.jp/t?"+
            "c="+y1+"&a="+m1+"&b=1"+"&f="+year+"&d="+month+
            "&e=31"+"&g=m&s="+code+"&y=0&z=&x=sb");
      HttpURLConnection set = (HttpURLConnection)url.openConnection();
      set.setRequestProperty("Accept-Language", "jp");
      set.connect();
      BufferedReader fi =
        new BufferedReader(new InputStreamReader(set.getInputStream()));
//  Output File
      FileOutputStream fo = new FileOutputStream("M-"+code+".txt");
      PrintWriter q = new PrintWriter(fo,true);
//  Http File Read
      while (true){
         input = fi.readLine();
         if ( input == null ){ break; }
         if ( input.startsWith("</tr></table>") ) 
           { if ( end == 1) { break;   }
               else         { end = 1; }
            }
//  <td><small> 株価データ </small>
         if ( input.startsWith("<td>") )
           { if ( input.indexOf(small) != -1 )
//  最初の6データは株価以外、最後の数データも株価以外
               { if ( count >= 7 ) {
                    Wk = input.split(small);
                    Ary = Wk[1].split("</small>");
                    int ct7 = count % 7;
//   xxxx年yy月 or xxxx年y月
                    if ( ct7 == 0 )
                       { if ( cm >= 10) { q.print(cy+"/"+cm+" "); }
                           else         { q.print(cy+"/0"+cm+" "); }
//   cy is current year, cm is current month
                         if ( cm != 1 ) { cm--; }
                           else         { cm = 12;  cy--; } 
                       }
//   cs7=1 --> 始値, 2-->高値, 3-->安値, 6-->終値
                    Ar1 = Ary[0].split(",");
                    String st = Ar1[0];
                    for (int i=1; i<Ar1.length; i++)
                      { st = st + Ar1[i]; }
                    if ( ct7 == 1 ) { q.print(st+" "); }
                    if ( ct7 == 2 ) { q.print(st+" "); }
                    if ( ct7 == 3 ) { q.print(st+" "); }
                    if ( ct7 == 6 ) { q.println(st); }
                    count++;  }
                 else { count++; }
               } 
           }
       }
   }
}