mixiにログインするプログラムを作ってみた その2

mixiにログインするプログラムを作ってみたが古くなってしまい、足跡を取得できなくなっていたので、書き直し。とは言っても正規表現の部分を変えただけ。他のエントリも古くなっているので、変えておこうか

import java.io.InputStreamReader;
import java.io.BufferedReader;
import java.io.OutputStreamWriter;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.UnsupportedEncodingException;

import java.net.URL;
import java.net.URLConnection;
import java.net.HttpURLConnection;
import java.net.URLEncoder;
import java.net.MalformedURLException;

import java.util.Map;
import java.util.List;
import java.util.ArrayList;

import java.util.regex.Pattern;
import java.util.regex.Matcher;

public class Mixi{
    private String cookie;
    private Pattern pattern;
    private static final String ENCODING = "EUC-JP";
    private static final String MIXI_URL = "http://mixi.jp/";

    public static void main(String[] args){
        try{
            Mixi mixi = new Mixi();
            mixi.login("++++", "****");
            List<FootPrint> footPrintList = mixi.getFootPrintList();
            for(FootPrint footPrint : footPrintList){
                System.out.printf("%s %s %s\n", footPrint.getDate(), footPrint.getName(), footPrint.getLink());
            }

        }catch(AuthenticateException e){
            System.out.println(e.getMessage());
        }catch(IOException e){
            System.out.println("通信中にエラーが起こりました: " + e.getMessage());
        }
    }

    public Mixi(){
        cookie = "";

        String patternText = "<span class=\"date\">([^<]+)</span>";
        patternText += "<span class=\"name\"><a href=\"(show_friend.pl\\?id=\\d+&route_trace=\\d+)\">([^<]+)</a></span>";
        pattern = Pattern.compile(patternText);
    }

    public void login(String email, String password) throws AuthenticateException, IOException{
        BufferedReader reader = null;
        BufferedWriter writer = null;

        try{
            StringBuilder parameter = new StringBuilder();
            parameter.append("email=").append(URLEncoder.encode(email, ENCODING)).append('&');
            parameter.append("password=").append(URLEncoder.encode(password, ENCODING)).append('&');
            parameter.append("next_url=").append(URLEncoder.encode("./home.pl", ENCODING));

            URL url = new URL(MIXI_URL + "login.pl");
            HttpURLConnection connection = (HttpURLConnection)url.openConnection();
            connection.setRequestMethod("POST");
            connection.setDoOutput(true);

            writer = new BufferedWriter(new OutputStreamWriter(connection.getOutputStream()));
            writer.write(parameter.toString());
            writer.flush();

            Map<String, List<String>> headers = connection.getHeaderFields();
            List<String> values = headers.get("Set-Cookie");

            if(values != null){
                for(String value : values){
                    cookie += value + ";";
                }
            }

            if(cookie.isEmpty()){
                throw new AuthenticateException("ログインできませんでした");
            }

            reader = new BufferedReader(new InputStreamReader(connection.getInputStream(), ENCODING));
            String line;
            while((line = reader.readLine()) != null){

            }

            reader.close();
            writer.close();
        }catch(UnsupportedEncodingException e){
            throw new RuntimeException(e);
        }catch(MalformedURLException e){
            throw new RuntimeException(e);
        }catch(IOException e){
            try{
                if(reader != null){
                    reader.close();
                }

                if(writer != null){
                    writer.close();
                }
            }catch(IOException ioe){
                throw new RuntimeException(ioe);
            }

            throw e;
        }
    }

    public List<FootPrint> getFootPrintList() throws AuthenticateException, IOException{
        if(cookie.isEmpty()){
            throw new AuthenticateException("ログインしていません");
        }

        List<FootPrint> footPrintList = new ArrayList<FootPrint>();
        BufferedReader reader = null;

        try{
            URL url = new URL(MIXI_URL + "show_log.pl");
            URLConnection connection = url.openConnection();
            connection.setRequestProperty("Cookie", cookie);

            reader = new BufferedReader(new InputStreamReader(connection.getInputStream(), ENCODING));
            StringBuilder html = new StringBuilder();
            String line;

            while((line = reader.readLine()) != null){
                html.append(line);
            }

            Matcher matcher = pattern.matcher(html.toString());

            while(matcher.find()){
                String date = matcher.group(1);
                String link = matcher.group(2);
                String name = matcher.group(3);

                footPrintList.add(new FootPrint(name, date, link));
            }
        }catch(UnsupportedEncodingException e){
            throw new RuntimeException(e);
        }catch(MalformedURLException e){
            throw new RuntimeException(e);
        }catch(IOException e){
            try{
                if(reader != null){
                    reader.close();
                }
            }catch(IOException ioe){
                throw new RuntimeException(ioe);
            }

            throw e;
        }

        return footPrintList;
    }
}