MIT

background.png

btn_exit.png

btn_refresh.png

Hangang.java

import javax.swing.*;

import java.awt.*;
import java.awt.event.*;

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

public class Hangang extends JFrame {
    public static String uri = "http://shizuku.hibiya.moe/hangang";

    Hangang(){
        //JFrame
        JFrame frame = new JFrame("한강가자 for Java");

        frame.setSize(400,300);
        frame.setUndecorated(true);
        frame.setDefaultCloseOperation(EXIT_ON_CLOSE);

        frame.setContentPane(new JLabel(new ImageIcon("./background.png")));
        frame.setLayout(new BorderLayout());

        //변수
        JPanel button_pan = new JPanel();
        JPanel text_pan = new JPanel();

        JButton refresh_btn;
        JButton exit_btn;
        ImageIcon refresh_img;
        ImageIcon exit_img;

        JLabel txt = new JLabel("지금 한강은...", SwingConstants.CENTER);
        JLabel wt = new JLabel("loading", SwingConstants.CENTER);

        //버튼 출력
        button_pan.setOpaque(false);
        button_pan.setLayout(new FlowLayout(FlowLayout.RIGHT));
        refresh_img = new ImageIcon("./btn_refresh.png");
        refresh_btn = new JButton(refresh_img);
        refresh_btn.setPreferredSize(new Dimension(16,16));
        exit_img = new ImageIcon("./btn_exit.png");
        exit_btn = new JButton(exit_img);
        exit_btn.setOpaque(true);
        exit_btn.setPreferredSize(new Dimension(16,16));
        button_pan.add(refresh_btn);
        button_pan.add(exit_btn);

        //텍스트 창 출력
        text_pan.setOpaque(false);
        text_pan.setLayout(new GridLayout(3,1));
        txt.setFont(new Font("Malgun Gothic", Font.PLAIN, 18));
        wt.setFont(new Font("Segoe UI", Font.PLAIN, 60));
        text_pan.add(txt);
        text_pan.add(wt);

        //버튼 리스너
        class btnListener implements ActionListener{
            public void actionPerformed(ActionEvent e){
                JButton btn = (JButton)e.getSource();
                if(btn == refresh_btn){
                    wt.setText(fetchTemp());
                } else if(btn == exit_btn){
                    System.exit(0);
                }
            }
        }
        //버튼 리스너 추가
        refresh_btn.addActionListener(new btnListener());
        exit_btn.addActionListener(new btnListener());

        //JFrame 출력
        frame.add(button_pan, BorderLayout.NORTH);
        frame.add(text_pan, BorderLayout.CENTER);
        frame.add(new JLabel(new ImageIcon("./empty.png")), BorderLayout.SOUTH);
        frame.setVisible(true);

        //새로고침 함수 호출
        wt.setText(fetchTemp());
    }

    public String fetchTemp() {
        // Pilyohan Objects Sangseong
        URL url;
        HttpURLConnection conn;
        BufferedReader rd;
        String line;
        String r = "";
        try {
            url = new URL(uri);
            conn = (HttpURLConnection) url.openConnection();
            conn.setRequestMethod("GET");
            rd = new BufferedReader(
                new InputStreamReader(
                    conn.getInputStream()
                )
            );
            while ((line = rd.readLine()) != null){
                r += line;
            }
            rd.close();
        } catch (Exception e) {
            e.printStackTrace();
            return "error";
        }
        return r;
    }

    public static void main(String[] args) {
        new Hangang();
    }
}