add update checker (not configurable yet)

firestar/src/main/java/Ernie.form

@@ -0,0 +1,99 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<form xmlns="http://www.intellij.com/uidesigner/form/" version="1" bind-to-class="Ernie">
+  <grid id="27dc6" layout-manager="GridLayoutManager" row-count="3" column-count="2" same-size-horizontally="false" same-size-vertically="false" hgap="-1" vgap="-1" binding="frameContainer">
+    <margin top="10" left="5" bottom="5" right="5"/>
+    <constraints>
+      <xy x="20" y="20" width="500" height="400"/>
+    </constraints>
+    <properties/>
+    <border type="none"/>
+    <children>
+      <component id="b5829" class="javax.swing.JLabel">
+        <constraints>
+          <grid row="0" column="0" row-span="1" col-span="2" vsize-policy="0" hsize-policy="0" anchor="0" fill="0" indent="0" use-parent-layout="false"/>
+        </constraints>
+        <properties>
+          <text value="A new update for Firestar is available!"/>
+        </properties>
+      </component>
+      <grid id="6bf91" layout-manager="GridLayoutManager" row-count="3" column-count="1" same-size-horizontally="false" same-size-vertically="false" hgap="-1" vgap="-1">
+        <margin top="5" left="0" bottom="0" right="0"/>
+        <constraints>
+          <grid row="2" column="0" row-span="1" col-span="2" vsize-policy="3" hsize-policy="3" anchor="0" fill="3" indent="0" use-parent-layout="false"/>
+        </constraints>
+        <properties/>
+        <border type="none"/>
+        <children>
+          <grid id="61273" layout-manager="GridLayoutManager" row-count="1" column-count="3" same-size-horizontally="false" same-size-vertically="false" hgap="-1" vgap="-1">
+            <margin top="0" left="0" bottom="0" right="0"/>
+            <constraints>
+              <grid row="2" column="0" row-span="1" col-span="1" vsize-policy="3" hsize-policy="3" anchor="0" fill="3" indent="0" use-parent-layout="false"/>
+            </constraints>
+            <properties/>
+            <border type="none"/>
+            <children>
+              <component id="56086" class="javax.swing.JButton" binding="notnowbtn">
+                <constraints>
+                  <grid row="0" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" anchor="4" fill="2" indent="0" use-parent-layout="false">
+                    <minimum-size width="150" height="-1"/>
+                    <preferred-size width="150" height="-1"/>
+                    <maximum-size width="150" height="-1"/>
+                  </grid>
+                </constraints>
+                <properties>
+                  <text value="No Thanks"/>
+                </properties>
+              </component>
+              <component id="a3535" class="javax.swing.JButton" binding="surebtn">
+                <constraints>
+                  <grid row="0" column="2" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" anchor="8" fill="2" indent="0" use-parent-layout="false">
+                    <minimum-size width="150" height="-1"/>
+                    <preferred-size width="150" height="-1"/>
+                    <maximum-size width="150" height="-1"/>
+                  </grid>
+                </constraints>
+                <properties>
+                  <text value="Open in Browser"/>
+                </properties>
+              </component>
+              <vspacer id="9f407">
+                <constraints>
+                  <grid row="0" column="1" row-span="1" col-span="1" vsize-policy="6" hsize-policy="1" anchor="0" fill="2" indent="0" use-parent-layout="false"/>
+                </constraints>
+              </vspacer>
+            </children>
+          </grid>
+          <component id="6acad" class="javax.swing.JLabel">
+            <constraints>
+              <grid row="0" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" anchor="0" fill="0" indent="0" use-parent-layout="false"/>
+            </constraints>
+            <properties>
+              <text value="If you want to stay on this version,"/>
+            </properties>
+          </component>
+          <component id="a73c6" class="javax.swing.JLabel">
+            <constraints>
+              <grid row="1" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" anchor="0" fill="0" indent="0" use-parent-layout="false"/>
+            </constraints>
+            <properties>
+              <text value="you can disable this notification in the Options."/>
+            </properties>
+          </component>
+        </children>
+      </grid>
+      <scrollpane id="1a774">
+        <constraints>
+          <grid row="1" column="0" row-span="1" col-span="2" vsize-policy="7" hsize-policy="7" anchor="0" fill="3" indent="0" use-parent-layout="false"/>
+        </constraints>
+        <properties/>
+        <border type="none"/>
+        <children>
+          <component id="1efd0" class="javax.swing.JEditorPane" binding="changelogDisplay">
+            <constraints/>
+            <properties/>
+          </component>
+        </children>
+      </scrollpane>
+    </children>
+  </grid>
+</form>

firestar/src/main/java/Ernie.java

@@ -0,0 +1,166 @@
+/*
+ *     Firestar Mod Manager
+ *     Copyright (C) 2024  bonkmaykr
+ *
+ *     This program is free software: you can redistribute it and/or modify
+ *     it under the terms of the GNU General Public License as published by
+ *     the Free Software Foundation, either version 3 of the License, or
+ *     (at your option) any later version.
+ *
+ *     This program is distributed in the hope that it will be useful,
+ *     but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *     GNU General Public License for more details.
+ *
+ *     You should have received a copy of the GNU General Public License
+ *     along with this program.  If not, see https://www.gnu.org/licenses/.
+ */
+
+import java.awt.Desktop;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.io.BufferedInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.HttpURLConnection;
+import java.net.MalformedURLException;
+import java.net.URI;
+import java.net.URL;
+import java.nio.charset.Charset;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+import javax.swing.JButton;
+import javax.swing.JEditorPane;
+import javax.swing.JFrame;
+import javax.swing.JOptionPane;
+import javax.swing.JPanel;
+import javax.swing.SwingWorker;
+import javax.swing.WindowConstants;
+import org.json.JSONArray;
+import org.json.JSONException;
+import org.json.JSONObject;
+
+public class Ernie implements ActionListener, Runnable {
+    // Base URL for Gitea API
+    public static final String gitapi = "https://git.worlio.com/api/v1/repos/bonkmaykr/firestar";
+    public static final String changelog = "https://bonkmaykr.worlio.com/http/firestar/changelog.htm";
+    
+    private HttpURLConnection httpConn;
+    private int contentLength;
+    private InputStream inputStream;
+    
+    private JFrame frame = new JFrame();
+    private JPanel frameContainer;
+    private JEditorPane changelogDisplay;
+    private JButton notnowbtn;
+    private JButton surebtn;
+    
+    public boolean backgroundDone = false;
+    
+    public void run() {
+	byte[] urlraw = new Ernie().getFile(gitapi+"/releases?draft=false&pre-release=false");
+	if (urlraw.length <= 0) {
+	   JOptionPane.showMessageDialog(frame, "Internal Error: Couldn't check for updates.", "Fatal Error", JOptionPane.ERROR_MESSAGE);
+	} else {
+	    try {
+		JSONArray releases = new JSONArray(new String(urlraw, Charset.forName("utf-8")));
+		if (releases.length() >= 1 && ((JSONObject)releases.get(0)).get("tag_name") != Main.vtag) {
+		    frame.add(frameContainer);
+		    notnowbtn.addActionListener(this);
+		    surebtn.addActionListener(this);
+		    changelogDisplay.setEditable(false);
+		    changelogDisplay.setPage(changelog);
+		    
+		    frame.setTitle("An update is available!");
+		    frame.setSize(450, 400);
+		    frame.setResizable(false);
+		    frame.setLocationRelativeTo(null);
+		    frame.setAlwaysOnTop(true);
+		    frame.setVisible(true);
+		} else { System.out.println("Problem??"); }
+	    } catch (IOException ex) {
+		Logger.getLogger(Ernie.class.getName()).log(Level.SEVERE, null, ex);
+	    } catch (JSONException ex) {
+		Logger.getLogger(Ernie.class.getName()).log(Level.SEVERE, null, ex);
+	    }
+	}
+    }
+    
+    @Override
+    public void actionPerformed(ActionEvent actionEvent) {
+        if (actionEvent.getSource() == notnowbtn) {frame.dispose();} else
+        if (actionEvent.getSource() == surebtn) {
+	    if (Desktop.isDesktopSupported() && Desktop.getDesktop().isSupported(Desktop.Action.BROWSE)) {
+		String releasepage = "https://git.worlio.com/bonkmaykr/firestar/releases";
+		try {
+		    Desktop.getDesktop().browse(new URI(releasepage));
+		} catch (Exception ex) {
+		    JOptionPane.showMessageDialog(frame, "Couldn't open your web browser!\nYou can check out the latest release at the URL below:\n"+releasepage, "Error", JOptionPane.ERROR_MESSAGE);
+		}
+	    }
+	}
+    }
+    
+    byte[] getFile(String url) {
+	try {
+	    URL fileURL = new URL(url);
+	    httpConn = (HttpURLConnection) fileURL.openConnection();
+	    int response = httpConn.getResponseCode();
+
+            if (response == HttpURLConnection.HTTP_OK) {
+                contentLength = httpConn.getContentLength();
+                inputStream = httpConn.getInputStream();
+            } else if (response == 404) {
+                throw new IOException(
+                        "File missing from remote server.");
+            } else {
+                throw new IOException(
+                        "Unexpected response; Server replied with " + response);
+            }
+	    ErnieDownloader ed = new ErnieDownloader(this, url, httpConn.getContentLength());
+	    ed.doInBackground();
+            while (!backgroundDone) {}
+
+            inputStream.close();
+            httpConn.disconnect();
+            frame.dispose();
+            return ed.output;
+	} catch (MalformedURLException e) {
+            JOptionPane.showMessageDialog(frame, "Internal Error: URL given to Ernie is not valid.\nGet a programmer!", "Fatal Error", JOptionPane.ERROR_MESSAGE);
+            frame.dispose();
+            return new byte[]{};
+        } catch (Exception e) {
+            JOptionPane.showMessageDialog(frame, "Error: " + e.getMessage(), "Fatal Error", JOptionPane.ERROR_MESSAGE);
+            frame.dispose();
+            return new byte[]{};
+        }
+    }
+}
+
+class ErnieDownloader extends SwingWorker<Void, Void> {
+    private static final int BUFFER_SIZE = 4096;
+    private String downloadURL;
+    private final Ernie gui;
+    public byte[] output;
+
+    public ErnieDownloader(Ernie gui, String downloadURL, long size) {
+        this.gui = gui;
+        this.downloadURL = downloadURL;
+    }
+
+    @Override
+    protected Void doInBackground() throws Exception {
+        BufferedInputStream in = new BufferedInputStream(new URL(downloadURL).openStream());
+        ByteArrayOutputStream buffer = new ByteArrayOutputStream();
+	byte[] data = new byte[16384];
+	int x;
+	while ((x = in.read(data, 0, data.length)) != -1) {
+	    buffer.write(data, 0, x);
+	}
+	output = buffer.toByteArray();
+        in.close();
+        gui.backgroundDone = true;
+        return null;
+    }
+}

firestar/src/main/java/Main.java

@@ -31,6 +31,7 @@ public class Main {
     // Build Information
     public static final String vstr = "Release 1.3";
     public static final String vcode = "Tetsuo";
+    public static final String vtag = "tetsuo-1.3";
     public static final int vint = 1;
 
     // User Settings
@@ -41,6 +42,7 @@ public class Main {
     public static boolean repatch; //are we in compat mode?
     public static boolean windows; //True = windows
     public static int confvint = vint;
+    public static boolean checkUpdates;
     //public static String psarc; //sdk location
 
     public enum ArcTarget { // install target for 2048, type used by downloader
@@ -136,6 +138,7 @@ public class Main {
         container.put("HDpath", "TODO"); // proposed hd/fury support for ps3, will use very simplified Fast Mode due to less difficulty installing
         container.put("safemode", repatch);
         container.put("isWin32", windows);
+	container.put("checkUpdates", checkUpdates);
         container.put("currentPlaylist", "TODO"); // proposed feature: store separate mod lists in lists/ to load/save later?
 
         try {
@@ -153,6 +156,11 @@ public class Main {
             outpath = container.get("2048path").toString();
             repatch = (boolean) container.get("safemode");
             windows = (boolean) container.get("isWin32");
+	    try {
+		checkUpdates = (boolean) container.get("checkUpdates");
+	    } catch (JSONException e) {
+		checkUpdates = true;
+	    }
         } catch (IOException e) {
             System.out.println("ERROR: Failed to load firestar.conf");
             System.out.println(e.getMessage());
@@ -167,6 +175,11 @@ public class Main {
             outpath = container.get("2048path").toString();
             repatch = (boolean) container.get("safemode");
             windows = (boolean) container.get("isWin32");
+	    try {
+		checkUpdates = (boolean) container.get("checkUpdates");
+	    } catch (JSONException e) {
+		checkUpdates = true;
+	    }
         } catch (Exception e) {
             JOptionPane.showMessageDialog(w.frame, "Firestar couldn't load your config file. Tread lightly.\n\n" + e.getMessage(), "Critical Error", JOptionPane.ERROR_MESSAGE);
             System.out.println("ERROR: Failed to load firestar.conf");

firestar/src/main/java/MissPiggy.java

@@ -113,6 +113,7 @@ public class MissPiggy implements ActionListener {
         helpMenu.add(new JMenuItem("Source Code")); //replace with Website 'screwgravity.net' and 'Issue Tracker' gitea later
         helpMenu.add(new JMenuItem("License"));
         helpMenu.add(new JSeparator());
+	helpMenu.add(new JMenuItem("Check for Updates"));
         helpMenu.add(new JMenuItem("About Firestar"));
 
         menuBar.add(fileMenu);
@@ -138,6 +139,7 @@ public class MissPiggy implements ActionListener {
         helpMenu.getItem(2).addActionListener(this);
         helpMenu.getItem(3).addActionListener(this);
         helpMenu.getItem(5).addActionListener(this);
+	helpMenu.getItem(6).addActionListener(this);
 
         deployButton.addActionListener(this);
         importButton.addActionListener(this);
@@ -181,6 +183,8 @@ public class MissPiggy implements ActionListener {
         frame.setLayout(new GridLayout());
         frame.setLocationRelativeTo(null);
 	
+	if (Main.checkUpdates) { StartErnie(); }
+
         frame.setVisible(true);
     }
 
@@ -307,6 +311,11 @@ public class MissPiggy implements ActionListener {
         createSelectionEventListener();
     }
     
+    private void StartErnie() {
+	Ernie e = new Ernie();
+	new Thread(e).start();
+    }
+
     private ListSelectionListener whenItemSelected() {
         return null;
     }
@@ -356,7 +365,8 @@ public class MissPiggy implements ActionListener {
                 JOptionPane.showMessageDialog(frame, e.getMessage(), "Error", JOptionPane.ERROR_MESSAGE);
             }
         } else
-        if (actionEvent.getSource() == helpMenu.getItem(5)) {new Rowlf().displayAboutScreen();}
+        if (actionEvent.getSource() == helpMenu.getItem(5)) {StartErnie();} else
+        if (actionEvent.getSource() == helpMenu.getItem(6)) {new Rowlf().displayAboutScreen();}
     }
 
     // Will likely split the below functions into separate classes to work with intellij GUI designer.