better updateChecker with changelog

src/main/java/de/xbrowniecodez/jbytemod/utils/update/UpdateChecker.java

@@ -0,0 +1,53 @@
+package de.xbrowniecodez.jbytemod.utils.update;
+
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.net.URL;
+import java.net.URLConnection;
+
+import javax.swing.*;
+
+import com.google.gson.JsonObject;
+import com.google.gson.JsonParser;
+
+import de.xbrowniecodez.jbytemod.utils.update.objects.Version;
+import de.xbrowniecodez.jbytemod.utils.update.ui.UpdateDialogFrame;
+import lombok.SneakyThrows;
+import me.grax.jbytemod.JByteMod;
+
+public class UpdateChecker {
+
+	public UpdateChecker() {
+		JByteMod.LOGGER.log("Checking for updates...");
+		JsonObject releaseInfo = fetchLatestReleaseInfo();
+		if (releaseInfo != null) {
+			Version latestVersion = new Version(releaseInfo.get("name").getAsString());
+			String changelog = releaseInfo.get("body").getAsString();
+			if(latestVersion.isNewer(JByteMod.version))
+				showUpdateDialog(String.valueOf(latestVersion), changelog);
+		}
+	}
+
+
+	@SneakyThrows
+	private JsonObject fetchLatestReleaseInfo() {
+		URL url = new URL("https://api.github.com/repos/xBrownieCodezV2/JByteMod-Remastered/releases/latest");
+		URLConnection connection = url.openConnection();
+
+		try (InputStream inputStream = connection.getInputStream();
+			 InputStreamReader reader = new InputStreamReader(inputStream)) {
+			return JsonParser.parseReader(reader).getAsJsonObject();
+		}
+	}
+
+	private void showUpdateDialog(String latestVersion, String changelog) {
+		SwingUtilities.invokeLater(() -> {
+			JFrame updateDialogFrame = new UpdateDialogFrame(latestVersion, changelog); 
+			updateDialogFrame.setDefaultCloseOperation(JFrame.HIDE_ON_CLOSE);
+			updateDialogFrame.setSize(600, 500);
+			updateDialogFrame.setLocationRelativeTo(null);
+			updateDialogFrame.setVisible(true);
+		});
+	}
+
+}

src/main/java/de/xbrowniecodez/jbytemod/utils/update/objects/Version.java

@@ -0,0 +1,37 @@
+package de.xbrowniecodez.jbytemod.utils.update.objects;
+
+import lombok.Getter;
+import lombok.Setter;
+
+@Getter
+@Setter
+public final class Version {
+    private final int majorVersion;
+    private final int minorVersion;
+
+    public Version(int majorVersion, int minorVersion) {
+        this.majorVersion = majorVersion;
+        this.minorVersion = minorVersion;
+    }
+
+    public Version(String version) {
+        String[] split = version.split("\\.");
+        this.majorVersion = Integer.parseInt(split[0]);
+        this.minorVersion = Integer.parseInt(split[1]);
+    }
+
+    /**
+     * Compares this version to another version.
+     *
+     * @param version The version to compare to.
+     * @return true if the version is greater than the other version, false otherwise.
+     */
+    public boolean isNewer(Version version) {
+        return (majorVersion > version.majorVersion)
+                || (minorVersion > version.minorVersion);
+    }
+
+    public String toString() {
+        return String.format("%d.%d", majorVersion, minorVersion);
+    }
+}

src/main/java/de/xbrowniecodez/jbytemod/utils/update/ui/UpdateDialogFrame.java

@@ -0,0 +1,51 @@
+package de.xbrowniecodez.jbytemod.utils.update.ui;
+
+import lombok.SneakyThrows;
+
+import javax.swing.*;
+import java.awt.*;
+import java.net.URI;
+
+public class UpdateDialogFrame extends JFrame {
+    public UpdateDialogFrame(String latestVersion, String changelog) {
+        JLabel label = new JLabel(String.format("Version %s is available, would you like to download it?", latestVersion));
+        label.setBounds(10, 10, 400, 20);
+
+        JTextArea textArea = new JTextArea();
+        textArea.setEditable(false);
+        textArea.setLineWrap(true);
+        textArea.setWrapStyleWord(true);
+        textArea.setText(changelog);
+        JScrollPane scrollPane = new JScrollPane(textArea);
+        scrollPane.setBounds(10, 40, 570, 370);
+
+        JButton yesButton = new JButton("Yes");
+        yesButton.setBounds(10, 420, 80, 30);
+        yesButton.addActionListener(e -> {
+            openDownloadLink(latestVersion);
+            dispose();
+        });
+
+        JButton noButton = new JButton("No");
+        noButton.setBounds(100, 420, 80, 30);
+        noButton.addActionListener(e -> dispose());
+
+        add(label);
+        add(scrollPane);
+        add(yesButton);
+        add(noButton);
+        setLayout(null);
+    }
+
+    @SneakyThrows
+    private void openDownloadLink(String version) {
+        URI downloadUri = new URI(String.format(
+                "https://github.com/xBrownieCodezV2/JByteMod-Remastered/releases/download/%s/JByteMod-Remastered-%s.jar",
+                version, version));
+
+        if (Desktop.isDesktopSupported() && Desktop.getDesktop().isSupported(Desktop.Action.BROWSE)) {
+            Desktop.getDesktop().browse(downloadUri);
+        }
+    }
+
+}

src/main/java/me/grax/jbytemod/JByteMod.java

@@ -3,8 +3,9 @@
 import com.sun.tools.attach.VirtualMachine;
 import de.xbrowniecodez.jbytemod.securitymanager.CustomSecurityManager;
 import de.xbrowniecodez.jbytemod.utils.BytecodeUtils;
-import de.xbrowniecodez.jbytemod.utils.UpdateChecker;
 import de.xbrowniecodez.jbytemod.utils.Utils;
+import de.xbrowniecodez.jbytemod.utils.update.UpdateChecker;
+import de.xbrowniecodez.jbytemod.utils.update.objects.Version;
 import lombok.Getter;
 import me.grax.jbytemod.discord.Discord;
 import me.grax.jbytemod.logging.Logging;
@@ -21,8 +22,6 @@
 import me.grax.jbytemod.ui.tree.SortedTreeNode;
 import me.grax.jbytemod.utils.ErrorDisplay;
 import me.grax.jbytemod.utils.FileUtils;
-import me.grax.jbytemod.utils.asm.FrameGen;
-import me.grax.jbytemod.utils.attach.RuntimeJarArchive;
 import me.grax.jbytemod.utils.gui.LookUtils;
 import me.grax.jbytemod.utils.task.AttachTask;
 import me.grax.jbytemod.utils.task.RetransformTask;
@@ -51,7 +50,7 @@
 import java.util.LinkedHashMap;
 
 public class JByteMod extends JFrame {
-	public final static String version = Utils.readPropertiesFile().getProperty("version");
+	public static final Version version = new Version(Utils.readPropertiesFile().getProperty("version"));
     private static final String jbytemod = "JByteMod Remastered v" + version;
 
     public static File workingDir = new File(".");