New improvements

.gitignore

@@ -8,4 +8,5 @@ logs/*
 target/
 starttime.txt
 overtime.txt
-highlighted
+highlighted
+proxy.txt

src/main/java/rvc/timecalc/HttpProxy.java

@@ -0,0 +1,52 @@
+package rvc.timecalc;
+
+import java.io.File;
+import java.io.IOException;
+
+/**
+ * @author Robert
+ * @since 16.02.2024
+ */
+public class HttpProxy {
+    private final String url, port, user, password;
+
+    public HttpProxy(String url, String port, String user,
+            String password) {
+        this.url = url;
+        this.port = port;
+        this.user = user;
+        this.password = password;
+    }
+
+    public HttpProxy(File proxyTxt) {
+        try {
+            String[] str = Utils.readTextFromFile(proxyTxt).split(":");
+            if(str.length < 4) {
+                proxyTxt.delete();
+                throw new IOException("Invalid content of proxy.txt: str.length < 4");
+            }
+            this.url = str[0];
+            this.port = str[1];
+            this.user = str[2];
+            this.password = str[3];
+        } catch (IOException e) {
+            throw new RuntimeException("Sorry, reading file proxy.txt failed. " + e.getMessage());
+        }
+    }
+
+    public String getUrl() {
+        return url;
+    }
+
+    public String getPort() {
+        return port;
+    }
+
+    public String getUser() {
+        return user;
+    }
+
+    public String getPassword() {
+        return password;
+    }
+}

src/main/java/rvc/timecalc/TimeCalcWindow.java

@@ -72,10 +72,12 @@ public class TimeCalcWindow {
 
         JFrame window = new JFrame();
 
+        JButton weatherButton = new JButton("Weather");
         JButton jokeButton = new JButton("Joke");
         JButton restartButton = new JButton("Restart");
         JButton exitButton = new JButton("Exit");
 
+        //window.add(weatherButton);
         window.add(jokeButton);
         window.add(restartButton);
         window.add(exitButton);
@@ -85,7 +87,8 @@ public class TimeCalcWindow {
         text.setForeground(Color.GRAY);
         text.setBackground(new Color(238, 238, 238));
         window.add(text);
-        jokeButton.setBounds(120, text.getY() + text.getHeight() + 10, 100, 30);
+        weatherButton.setBounds(20, text.getY() + text.getHeight() + 10, 100, 30);
+        jokeButton.setBounds(140, text.getY() + text.getHeight() + 10, 100, 30);
         restartButton.setBounds(280, text.getY() + text.getHeight() + 10, 100, 30);
         exitButton.setBounds(390, text.getY() + text.getHeight() + 10, 100, 30);
 
@@ -101,6 +104,7 @@ public class TimeCalcWindow {
                 System.exit(0);
             }
         });
+        weatherButton.addActionListener(e-> new WeatherWindow().setVisible(true));
         jokeButton.addActionListener(e-> {for(int i =1;i<=1;i++) {Vtipy.showRandom();}});
         exitButton.addActionListener(e -> System.exit(0));
         restartButton.addActionListener(e -> {

src/main/java/rvc/timecalc/WeatherWindow.java

@@ -0,0 +1,138 @@
+package rvc.timecalc;
+
+import javax.net.ssl.HttpsURLConnection;
+import javax.swing.JEditorPane;
+import javax.swing.JFrame;
+import javax.swing.JScrollPane;
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.OutputStream;
+import java.net.Authenticator;
+import java.net.HttpURLConnection;
+import java.net.InetSocketAddress;
+import java.net.MalformedURLException;
+import java.net.PasswordAuthentication;
+import java.net.Proxy;
+import java.net.URL;
+
+/**
+ * @author Robert
+ * @since 16.02.2024
+ */
+public class WeatherWindow extends JFrame {
+    public WeatherWindow() {
+        this.setSize(800, 600);
+
+        JEditorPane jep = new JEditorPane();
+        jep.setEditable(false);
+        JScrollPane scrollPane = new JScrollPane(jep);
+        scrollPane.setBounds(10, 10, 750, 550);
+        getContentPane().add(scrollPane);
+
+        File proxyTxt = new File("proxy.txt");
+        if(!proxyTxt.exists()) {
+            jep.setText("Sorry, file proxy.txt was not found.");
+            return;
+        }
+        final HttpProxy httpProxy;
+        try {
+             httpProxy = new HttpProxy(proxyTxt);
+        } catch(RuntimeException e) {
+            jep.setContentType("text/html");
+            jep.setText(e.getMessage());
+            return;
+        }
+
+
+
+        try {
+            jep.setText(downloadFile3("https://pocasi.seznam.cz/praha",
+                    httpProxy));
+        }catch (Exception e) {
+            e.printStackTrace();
+            jep.setContentType("text/html");
+            jep.setText("<html>Could not load " + e.getMessage() + "</html>");
+        }
+    }
+
+    public String downloadFile2(String s, HttpProxy httpProxy) throws IOException {
+
+        Authenticator.setDefault(new Authenticator() {
+            protected PasswordAuthentication getPasswordAuthentication() {
+                return new PasswordAuthentication(httpProxy.getUser(),
+                        httpProxy.getPassword().toCharArray());
+            }
+        });
+
+        Proxy proxy = new Proxy(
+                Proxy.Type.HTTP, new InetSocketAddress(httpProxy.getUrl(), Integer.valueOf(httpProxy.getPort())));
+
+        URL url = new URL(s);
+        System.getProperties().put( "proxySet", "true" );
+
+        System.setProperty("http.proxyHost", httpProxy.getUrl());
+        System.setProperty("http.proxyPort", httpProxy.getPort());
+
+        System.setProperty("http.proxyUser", httpProxy.getUser());
+        System.setProperty("http.proxyPassword", httpProxy.getPassword());
+        HttpURLConnection connection = (HttpURLConnection) url.openConnection();
+        connection.setRequestMethod("GET");
+
+        try (BufferedReader reader = new BufferedReader(
+                new InputStreamReader(connection.getInputStream()))) {
+            StringBuilder responseBuilder = new StringBuilder();
+            String line;
+            while ((line = reader.readLine()) != null) {
+                responseBuilder.append(line);
+            }
+
+            return responseBuilder.toString();
+        }
+    }
+    public String downloadFile3(String s, HttpProxy httpProxy)
+            throws IOException {
+        System.getProperties().put( "proxySet", "true" );
+
+        System.setProperty("http.proxyHost", httpProxy.getUrl());
+        System.setProperty("http.proxyPort", httpProxy.getPort());
+
+        System.setProperty("http.proxyUser", httpProxy.getUser());
+        System.setProperty("http.proxyPassword", httpProxy.getPassword());
+
+        String uri = s;
+        URL url = new URL(uri);
+
+        Authenticator.setDefault(new Authenticator() {
+        @Override
+        public PasswordAuthentication getPasswordAuthentication() {
+            return new PasswordAuthentication(httpProxy.getUser(),
+                    httpProxy.getPassword().toCharArray());
+        }});
+
+        HttpsURLConnection connection = (HttpsURLConnection) url.openConnection();
+
+        //connection.setDoOutput(true);
+        connection.setRequestMethod("GET");
+        connection.setRequestProperty("Content-Type", "text/html");
+        connection.setRequestProperty("Accept", "text/html");
+        connection.setRequestProperty("Method", "GET");
+        connection.setRequestProperty("Encoding", "UTF-8");
+        connection.setReadTimeout(60000);
+
+        InputStream stream = connection.getInputStream();
+
+        InputStreamReader inputStreamReader = new InputStreamReader(stream);
+        BufferedReader bufferedReader = new BufferedReader(inputStreamReader);
+        StringBuilder content = new StringBuilder();
+        String line;
+        while ((line = bufferedReader.readLine()) != null) {
+            content.append(line + "\n");
+        }
+
+        bufferedReader.close();
+        return content.toString();
+    }
+}