Reset the java directory when javadir is wrong.

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/Launcher.java

@@ -22,8 +22,6 @@ import java.lang.reflect.Method;
 import java.net.URL;
 import java.net.URLClassLoader;
 import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.List;
 import javax.swing.SwingUtilities;
 import org.jackhuang.hellominecraft.C;
 import org.jackhuang.hellominecraft.HMCLog;
@@ -91,6 +89,9 @@ public final class Launcher {
             SwingUtilities.invokeLater(() -> LogWindow.instance.setVisible(true));
         }
 
+        if (!JdkVersion.isJava64Bit() && Platform.getPlatform() == Platform.BIT_64)
+            MessageBox.Show(C.i18n("advice.os64butjdk32"));
+
         URL[] urls = new URL[len];
 
         try {
@@ -103,12 +104,9 @@ public final class Launcher {
             return;
         }
 
-        if (!JdkVersion.isJava64Bit() && Platform.getPlatform() == Platform.BIT_64)
-            MessageBox.Show(C.i18n("advice.os64butjdk32"));
-
         Method minecraftMain;
         try {
-            minecraftMain = new URLClassLoader(urls).loadClass(mainClass).getMethod("main", String[].class);
+            minecraftMain = new URLClassLoader(urls, URLClassLoader.getSystemClassLoader().getParent()).loadClass(mainClass).getMethod("main", String[].class);
         } catch (ClassNotFoundException | NoSuchMethodException | SecurityException t) {
             MessageBox.Show(C.i18n("crash.main_class_not_found"));
             println("Minecraft main class not found.");

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/Main.java

@@ -26,19 +26,22 @@ import java.net.Authenticator;
 import java.net.PasswordAuthentication;
 import java.net.URI;
 import java.net.URISyntaxException;
+import java.net.URL;
+import java.net.URLClassLoader;
 import java.security.GeneralSecurityException;
 import java.security.cert.X509Certificate;
 import java.text.ParseException;
 import java.util.Map;
+import java.util.jar.JarFile;
 import javax.net.ssl.HostnameVerifier;
 import javax.net.ssl.HttpsURLConnection;
 import javax.net.ssl.SSLContext;
 import javax.net.ssl.X509TrustManager;
 import javax.swing.ImageIcon;
+import javax.swing.SwingUtilities;
 import javax.swing.UIManager;
 import javax.swing.UnsupportedLookAndFeelException;
 import org.jackhuang.hellominecraft.C;
-import org.jackhuang.hellominecraft.utils.functions.NonConsumer;
 import org.jackhuang.hellominecraft.HMCLog;
 import org.jackhuang.hellominecraft.launcher.launch.GameLauncher;
 import org.jackhuang.hellominecraft.launcher.utils.CrashReporter;
@@ -47,18 +50,24 @@ import org.jackhuang.hellominecraft.logging.appender.ConsoleAppender;
 import org.jackhuang.hellominecraft.logging.layout.DefaultLayout;
 import org.jackhuang.hellominecraft.views.LogWindow;
 import org.jackhuang.hellominecraft.launcher.settings.Settings;
+import org.jackhuang.hellominecraft.launcher.utils.upgrade.Upgrader;
 import org.jackhuang.hellominecraft.launcher.views.MainFrame;
 import org.jackhuang.hellominecraft.lookandfeel.HelloMinecraftLookAndFeel;
+import org.jackhuang.hellominecraft.tasks.TaskWindow;
+import org.jackhuang.hellominecraft.utils.ArrayUtils;
 import org.jackhuang.hellominecraft.utils.system.MessageBox;
 import org.jackhuang.hellominecraft.utils.StrUtils;
+import org.jackhuang.hellominecraft.utils.VersionNumber;
+import org.jackhuang.hellominecraft.utils.system.FileUtils;
+import org.jackhuang.hellominecraft.utils.system.IOUtils;
 import org.jackhuang.hellominecraft.utils.system.OS;
 
 /**
  *
  * @author huangyuhui
  */
-public final class Main implements NonConsumer {
+public final class Main implements Runnable {
-    
+
     private static final X509TrustManager xtm = new X509TrustManager() {
         @Override
         public void checkClientTrusted(X509Certificate[] chain, String authType) {
@@ -91,7 +100,7 @@ public final class Main implements NonConsumer {
     }
 
     public static String launcherName = "Hello Minecraft! Launcher";
-    public static byte firstVer = 2, secondVer = 3, thirdVer = 4, forthVer = 12;
+    public static byte firstVer = 2, secondVer = 3, thirdVer = 4, forthVer = 13;
     public static int minimumLauncherVersion = 16;
 
     /**
@@ -116,6 +125,31 @@ public final class Main implements NonConsumer {
 
     public static void main(String[] args) {
         {
+            if (!ArrayUtils.contains(args, "nofound"))
+                try {
+                    File f = Upgrader.HMCL_VER_FILE;
+                    if (f.exists()) {
+                        Map<String, String> m = C.gson.fromJson(FileUtils.readFileToString(f), Map.class);
+                        String s = m.get("ver");
+                        if (s != null && VersionNumber.check(s).compareTo(new VersionNumber(firstVer, secondVer, thirdVer)) > 0) {
+                            String j = m.get("loc");
+                            if (j != null) {
+                                File jar = new File(j);
+                                if (jar.exists()) {
+                                    JarFile jarFile = new JarFile(jar);
+                                    String mainClass = jarFile.getManifest().getMainAttributes().getValue("Main-Class");
+                                    if (mainClass != null) {
+                                        new URLClassLoader(new URL[]{jar.toURI().toURL()}, URLClassLoader.getSystemClassLoader().getParent()).loadClass(mainClass).getMethod("main", String[].class).invoke(null, new Object[]{new String[]{"nofound"}});
+                                        return;
+                                    }
+                                }
+                            }
+                        }
+                    }
+                } catch (Throwable t) {
+                    t.printStackTrace();
+                }
+
             Thread.setDefaultUncaughtExceptionHandler(new CrashReporter(true));
 
             try {
@@ -152,43 +186,54 @@ public final class Main implements NonConsumer {
                         }
                     });
             }
-            
+
             MainFrame.showMainFrame(Settings.isFirstLoad());
         }
     }
 
     @Override
-    public void onDone() {
+    public void run() {
         GameLauncher.PROCESS_MANAGER.stopAllProcesses();
     }
 
     public static void update() {
-        if (MessageBox.Show(C.i18n("update.newest_version") + Settings.UPDATE_CHECKER.getNewVersion().firstVer + "." + Settings.UPDATE_CHECKER.getNewVersion().secondVer + "." + Settings.UPDATE_CHECKER.getNewVersion().thirdVer + "\n"
+        Settings.UPDATE_CHECKER.requestDownloadLink(() -> {
-                + C.i18n("update.should_open_link"),
+            SwingUtilities.invokeLater(() -> {
-                MessageBox.YES_NO_OPTION) == MessageBox.YES_OPTION) {
+                Map<String, String> map = Settings.UPDATE_CHECKER.download_link;
-            Map<String, String> map = Settings.UPDATE_CHECKER.download_link;
+                if (map != null && map.containsKey("pack"))
-            String url = C.URL_PUBLISH;
+                    try {
-            if (map != null)
+                        if (TaskWindow.getInstance().addTask(new Upgrader(map.get("pack"), Settings.UPDATE_CHECKER.versionString)).start()) {
-                if (map.containsKey(OS.os().checked_name))
+                            new ProcessBuilder(new String[]{IOUtils.getJavaDir(), "-jar", Upgrader.getSelf(Settings.UPDATE_CHECKER.versionString).getAbsolutePath()}).directory(new File(".")).start();
-                    url = map.get(OS.os().checked_name);
+                            System.exit(0);
-                else if (map.containsKey(OS.UNKOWN.checked_name))
+                        }
-                    url = map.get(OS.UNKOWN.checked_name);
+                    } catch (IOException ex) {
-            if (url == null) url = C.URL_PUBLISH;
+                        HMCLog.warn("Failed to create upgrader", ex);
-            try {
+                    }
-                java.awt.Desktop.getDesktop().browse(new URI(url));
+                if (MessageBox.Show(C.i18n("update.newest_version") + Settings.UPDATE_CHECKER.getNewVersion().firstVer + "." + Settings.UPDATE_CHECKER.getNewVersion().secondVer + "." + Settings.UPDATE_CHECKER.getNewVersion().thirdVer + "\n"
-            } catch (URISyntaxException | IOException e) {
+                        + C.i18n("update.should_open_link"),
-                HMCLog.warn("Failed to browse uri: " + url, e);
+                        MessageBox.YES_NO_OPTION) == MessageBox.YES_OPTION) {
+                    String url = C.URL_PUBLISH;
+                    if (map != null)
+                        if (map.containsKey(OS.os().checked_name))
+                            url = map.get(OS.os().checked_name);
+                        else if (map.containsKey(OS.UNKOWN.checked_name))
+                            url = map.get(OS.UNKOWN.checked_name);
+                    if (url == null) url = C.URL_PUBLISH;
+                    try {
+                        java.awt.Desktop.getDesktop().browse(new URI(url));
+                    } catch (URISyntaxException | IOException e) {
+                        HMCLog.warn("Failed to browse uri: " + url, e);
 
-                Clipboard cb = Toolkit.getDefaultToolkit().getSystemClipboard();
+                        Clipboard cb = Toolkit.getDefaultToolkit().getSystemClipboard();
-                cb.setContents(new StringSelection(url), null);
+                        cb.setContents(new StringSelection(url), null);
-                MessageBox.Show(C.i18n("update.no_browser"));
+                        MessageBox.Show(C.i18n("update.no_browser"));
-            }
+                    }
-        } else
+                }
-            Settings.getInstance().setCheckUpdate(false);
+            });
+        });
     }
 
     public static void invokeUpdate() {
-        if (Settings.getInstance().isCheckUpdate()) update();
         MainFrame.instance.invokeUpdate();
     }
 

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/launch/AbstractMinecraftLoader.java

@@ -58,6 +58,11 @@ public abstract class AbstractMinecraftLoader implements IMinecraftLoader {
         HMCLog.log("On making head command.");
 
         String str = v.getJavaDir();
+        if(!v.getJavaDirFile().exists()) {
+            MessageBox.Show(C.i18n("launch.wrong_javadir"));
+            v.setJava(null);
+            str = v.getJavaDir();
+        }
         JdkVersion jv = new JdkVersion(str);
         if (Settings.getInstance().getJava().contains(jv))
             jv = Settings.getInstance().getJava().get(Settings.getInstance().getJava().indexOf(jv));

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/launch/GameLauncher.java

@@ -133,6 +133,7 @@ public class GameLauncher {
                     HMCLog.warn("Failed to invoke precalled command", ex);
                 }
             }
+            HMCLog.log("Starting process");
             ProcessBuilder builder = new ProcessBuilder(str);
             builder.directory(provider.getRunDirectory(get.getSelectedMinecraftVersion().id))
                     .environment().put("APPDATA", get.getCanonicalGameDirFile().getPath());

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/launch/LaunchFinisher.java

@@ -49,6 +49,7 @@ public class LaunchFinisher implements Event<List<String>> {
                     System.exit(0);
                 return true;
             });
+            jpm.start();
             return true;
         });
         obj.launch(str);

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/launch/LibraryDownloadTask.java

@@ -20,10 +20,7 @@ import java.io.File;
 import java.io.FileInputStream;
 import java.io.FileOutputStream;
 import java.io.IOException;
-import java.io.InputStream;
 import java.io.OutputStream;
-import java.io.RandomAccessFile;
-import java.net.HttpURLConnection;
 import java.net.URL;
 import java.util.Arrays;
 import java.util.jar.JarEntry;
@@ -31,8 +28,7 @@ import java.util.jar.JarOutputStream;
 import java.util.jar.Pack200;
 import org.jackhuang.hellominecraft.C;
 import org.jackhuang.hellominecraft.HMCLog;
-import org.jackhuang.hellominecraft.tasks.Task;
+import org.jackhuang.hellominecraft.tasks.download.FileDownloadTask;
-import org.jackhuang.hellominecraft.tasks.download.NetException;
 import org.jackhuang.hellominecraft.utils.system.IOUtils;
 import org.tukaani.xz.XZInputStream;
 
@@ -40,13 +36,12 @@ import org.tukaani.xz.XZInputStream;
  *
  * @author huangyuhui
  */
-public class LibraryDownloadTask extends Task {
+public class LibraryDownloadTask extends FileDownloadTask {
-
-    private static final int MAX_BUFFER_SIZE = 2048;
 
     GameLauncher.DownloadLibraryJob job;
 
     public LibraryDownloadTask(GameLauncher.DownloadLibraryJob job) {
+        super();
         this.job = job;
     }
 
@@ -76,95 +71,11 @@ public class LibraryDownloadTask extends Task {
             return false;
         }
     }
-
+    
-    InputStream stream;
-    RandomAccessFile file;
-    boolean shouldContinue = true;
-    int size = -1;
-
     boolean download(URL url, File filePath) {
-        HMCLog.log("Downloading: " + url + " to " + filePath);
+        this.url = url;
-        size = -1;
+        this.filePath = filePath;
-        int downloaded = 0;
+        return super.executeTask();
-        for (int repeat = 0; repeat < 6; repeat++) {
-            if (repeat > 0)
-                HMCLog.warn("Failed to download, repeat: " + repeat);
-            try {
-
-                // Open connection to URL.
-                HttpURLConnection connection
-                        = (HttpURLConnection) url.openConnection();
-
-                connection.setConnectTimeout(5000);
-                connection.setRequestProperty("User-Agent", "Hello Minecraft! Launcher");
-
-                // Connect to server.
-                connection.connect();
-
-                // Make sure response code is in the 200 range.
-                if (connection.getResponseCode() / 100 != 2) {
-                    setFailReason(new NetException(C.i18n("download.not_200") + " " + connection.getResponseCode()));
-                    return false;
-                }
-
-                // Check for valid content length.
-                int contentLength = connection.getContentLength();
-                if (contentLength < 1) {
-                    setFailReason(new NetException("The content length is invalid."));
-                    return false;
-                }
-
-                // Set the size for this download if it hasn't been already set.
-                if (size == -1)
-                    size = contentLength;
-
-                filePath.getParentFile().mkdirs();
-
-                File tempFile = new File(filePath.getAbsolutePath() + ".hmd");
-                if (!tempFile.exists())
-                    tempFile.createNewFile();
-
-                // Open file and seek to the end of it.
-                file = new RandomAccessFile(tempFile, "rw");
-                file.seek(downloaded);
-                stream = connection.getInputStream();
-                while (true) {
-                    // Size buffer according to how much of the file is left to download.
-                    if (!shouldContinue) {
-                        closeFiles();
-                        filePath.delete();
-                        break;
-                    }
-
-                    byte buffer[] = new byte[MAX_BUFFER_SIZE];
-
-                    // Read from server into buffer.
-                    int read = stream.read(buffer);
-                    if (read == -1)
-                        break;
-
-                    // Write buffer to file.
-                    file.write(buffer, 0, read);
-                    downloaded += read;
-
-                    if (ppl != null)
-                        ppl.setProgress(this, downloaded, size);
-                }
-                closeFiles();
-                if (aborted)
-                    tempFile.delete();
-                else
-                    tempFile.renameTo(filePath);
-                if (ppl != null)
-                    ppl.onProgressProviderDone(this);
-                return true;
-            } catch (Exception e) {
-                setFailReason(new NetException(C.i18n("download.failed") + " " + url, e));
-            } finally {
-                closeFiles();
-            }
-        }
-        return false;
     }
 
     public static void unpackLibrary(File output, File input)
@@ -211,33 +122,6 @@ public class LibraryDownloadTask extends Task {
         temp.delete();
     }
 
-    private void closeFiles() {
-        // Close file.
-        if (file != null)
-            try {
-                file.close();
-                file = null;
-            } catch (IOException e) {
-                HMCLog.warn("Failed to close file", e);
-            }
-
-        // Close connection to server.
-        if (stream != null)
-            try {
-                stream.close();
-                stream = null;
-            } catch (IOException e) {
-                HMCLog.warn("Failed to close stream", e);
-            }
-    }
-
-    @Override
-    public boolean abort() {
-        shouldContinue = false;
-        aborted = true;
-        return true;
-    }
-
     @Override
     public String getInfo() {
         return C.i18n("download") + ": " + job.name;

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/settings/Config.java

@@ -125,15 +125,6 @@ public final class Config {
         return configurations;
     }
 
-    public boolean isCheckUpdate() {
-        return checkUpdate;
-    }
-
-    public void setCheckUpdate(boolean checkUpdate) {
-        this.checkUpdate = checkUpdate;
-        Settings.save();
-    }
-
     public Map getYggdrasilConfig() {
         return yggdrasil;
     }
@@ -149,8 +140,6 @@ public final class Config {
     private int downloadtype;
     @SerializedName("configurations")
     private TreeMap<String, Profile> configurations;
-    @SerializedName("checkUpdate")
-    private boolean checkUpdate;
     @SerializedName("yggdrasil")
     private Map yggdrasil;
 
@@ -158,7 +147,6 @@ public final class Config {
         clientToken = UUID.randomUUID().toString();
         username = "";
         logintype = downloadtype = 0;
-        checkUpdate = true;
         configurations = new TreeMap<>();
         Profile profile = new Profile();
         configurations.put(profile.getName(), profile);

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/settings/Profile.java

@@ -165,9 +165,13 @@ public final class Profile {
     }
 
     public void setJava(Java java) {
-        int idx = Settings.JAVA.indexOf(java);
+        if (java == null)
-        if (idx == -1) return;
+            this.java = Settings.JAVA.get(0).getName();
-        this.java = java.getName();
+        else {
+            int idx = Settings.JAVA.indexOf(java);
+            if (idx == -1) return;
+            this.java = java.getName();
+        }
         Settings.save();
     }
 

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/settings/Settings.java

@@ -69,7 +69,7 @@ public final class Settings {
             e.checkFormat();
 
         UPDATE_CHECKER = new UpdateChecker(new VersionNumber(Main.firstVer, Main.secondVer, Main.thirdVer),
-                "hmcl", settings.isCheckUpdate(), Main::invokeUpdate);
+                "hmcl", Main::invokeUpdate);
 
         List<Java> temp = new ArrayList<>();
         temp.add(new Java("Default", System.getProperty("java.home")));

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/utils/MCUtils.java

@@ -20,15 +20,8 @@ import com.google.gson.Gson;
 import com.google.gson.JsonSyntaxException;
 import java.io.File;
 import java.io.IOException;
-import java.io.InputStreamReader;
-import java.util.Map;
-import java.util.jar.JarEntry;
-import java.util.jar.JarFile;
-import java.util.logging.Level;
-import java.util.logging.Logger;
 import java.util.zip.ZipEntry;
 import java.util.zip.ZipFile;
-import org.jackhuang.hellominecraft.C;
 import org.jackhuang.hellominecraft.HMCLog;
 import org.jackhuang.hellominecraft.launcher.utils.assets.AssetsIndex;
 import org.jackhuang.hellominecraft.launcher.utils.assets.AssetsObject;
@@ -42,7 +35,6 @@ import org.jackhuang.hellominecraft.utils.system.FileUtils;
 import org.jackhuang.hellominecraft.utils.system.IOUtils;
 import org.jackhuang.hellominecraft.version.MinecraftVersionRequest;
 import org.jackhuang.hellominecraft.utils.NetUtils;
-import org.jackhuang.hellominecraft.utils.Pair;
 import org.jackhuang.hellominecraft.utils.system.OS;
 
 /**
@@ -188,30 +180,33 @@ public final class MCUtils {
         }
     }
 
-    public static File getLocation() {
+    public static File getWorkingDirectory(String baseName) {
-        String baseName = "minecraft";
+        String userhome = System.getProperty("user.home", ".");
-        String str1 = System.getProperty("user.home", ".");
         File file;
         switch (OS.os()) {
             case LINUX:
-                file = new File(str1, '.' + (String) baseName + '/');
+                file = new File(userhome, '.' + baseName + '/');
                 break;
             case WINDOWS:
-                String str2;
+                String appdata = System.getenv("APPDATA");
-                if ((str2 = System.getenv("APPDATA")) != null)
+                if (appdata != null)
-                    file = new File(str2, "." + baseName + '/');
+                    file = new File(appdata, "." + baseName + '/');
                 else
-                    file = new File(str1, '.' + baseName + '/');
+                    file = new File(userhome, '.' + baseName + '/');
                 break;
             case OSX:
-                file = new File(str1, "Library/Application Support/" + baseName);
+                file = new File(userhome, "Library/Application Support/" + baseName);
                 break;
             default:
-                file = new File(str1, baseName + '/');
+                file = new File(userhome, baseName + '/');
         }
         return file;
     }
 
+    public static File getLocation() {
+        return getWorkingDirectory("minecraft");
+    }
+
     public static boolean is16Folder(String path) {
         path = IOUtils.addSeparator(path);
         return new File(path, "versions").exists();
@@ -252,7 +247,7 @@ public final class MCUtils {
         }
         return null;
     }
-    
+
     public static boolean downloadMinecraftJar(File gameDir, String id, DownloadType sourceType) {
         String vurl = sourceType.getProvider().getVersionsDownloadURL() + id + "/";
         File vpath = new File(gameDir, "versions/" + id);

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/utils/upgrade/Upgrader.java

@@ -0,0 +1,91 @@
+/*
+ * Copyright 2013 huangyuhui <huanghongxun2008@126.com>
+ * 
+ * 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 2 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.
+ */
+package org.jackhuang.hellominecraft.launcher.utils.upgrade;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.jar.JarOutputStream;
+import java.util.jar.Pack200;
+import org.jackhuang.hellominecraft.C;
+import org.jackhuang.hellominecraft.launcher.utils.MCUtils;
+import org.jackhuang.hellominecraft.tasks.Task;
+import org.jackhuang.hellominecraft.tasks.download.FileDownloadTask;
+import org.jackhuang.hellominecraft.utils.system.FileUtils;
+import org.tukaani.xz.XZInputStream;
+
+/**
+ *
+ * @author huangyuhui
+ */
+public class Upgrader extends Task {
+
+    public static final File BASE_FOLDER = MCUtils.getWorkingDirectory("hmcl");
+    public static final File HMCL_VER_FILE = new File(BASE_FOLDER, "hmclver.json");
+
+    public static File getSelf(String ver) {
+        return new File(BASE_FOLDER, "HMCL-" + ver + ".jar");
+    }
+
+    private final String downloadLink, newestVersion;
+    File tempFile;
+
+    public Upgrader(String downloadLink, String newestVersion) throws IOException {
+        this.downloadLink = downloadLink;
+        this.newestVersion = newestVersion;
+        tempFile = File.createTempFile("hmcl", ".pack.xz");
+    }
+
+    @Override
+    public Collection<Task> getDependTasks() {
+        return Arrays.asList(new FileDownloadTask(downloadLink, tempFile));
+    }
+
+    @Override
+    public boolean executeTask() {
+        HashMap<String, String> json = new HashMap<>();
+        File f = getSelf(newestVersion);
+        try {
+            if (!f.getParentFile().exists()) f.getParentFile().mkdirs();
+            
+            for (int i = 0; f.exists(); i++) f = new File(BASE_FOLDER, "HMCL-" + newestVersion + (i > 0 ? "-" + i : "") + ".jar");
+            f.createNewFile();
+            
+            try (JarOutputStream jos = new JarOutputStream(new FileOutputStream(f))) {
+                Pack200.newUnpacker().unpack(new XZInputStream(new FileInputStream(tempFile)), jos);
+            }
+            json.put("ver", newestVersion);
+            json.put("loc", f.getAbsolutePath());
+            String result = C.gson.toJson(json);
+            FileUtils.write(HMCL_VER_FILE, result);
+            return true;
+        } catch (IOException e) {
+            setFailReason(e);
+            return false;
+        }
+    }
+
+    @Override
+    public String getInfo() {
+        return "Upgrade";
+    }
+
+}

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/views/MainFrame.java

@@ -372,7 +372,6 @@ public final class MainFrame extends DraggableFrame {
     }
 
     public void invokeUpdate() {
-        if (!isVisible()) return;
         defaultTitle = defaultTitle + C.i18n("update.found");
         if (!isShowedMessage) {
             windowTitle.setText(defaultTitle);

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/views/MainPagePanel.java

@@ -238,8 +238,8 @@ public class MainPagePanel extends javax.swing.JPanel {
                     .addComponent(pnlPassword, javax.swing.GroupLayout.Alignment.TRAILING, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                     .addGroup(pnlMoreLayout.createSequentialGroup()
                         .addGroup(pnlMoreLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
-                            .addComponent(jLabel10)
+                            .addComponent(jLabel10, javax.swing.GroupLayout.Alignment.TRAILING)
-                            .addComponent(jLabel1))
+                            .addComponent(jLabel1, javax.swing.GroupLayout.Alignment.TRAILING))
                         .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                         .addGroup(pnlMoreLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                             .addComponent(cboProfiles, 0, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)

HMCLAPI/src/main/java/org/jackhuang/hellominecraft/C.java

@@ -51,7 +51,7 @@ public final class C {
         try {
             return String.format(C.I18N.getString(a), format);
         } catch (Exception e) {
-            HMCLog.warn("Failed to read localization lang: " + a, e);
+            HMCLog.warn("Failed to read localization key: " + a, e);
             return a;
         }
     }

HMCLAPI/src/main/java/org/jackhuang/hellominecraft/tasks/TaskList.java

@@ -22,7 +22,6 @@ import java.util.Collections;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
-import org.jackhuang.hellominecraft.utils.functions.NonConsumer;
 import org.jackhuang.hellominecraft.HMCLog;
 
 /**
@@ -32,7 +31,7 @@ import org.jackhuang.hellominecraft.HMCLog;
 public class TaskList extends Thread {
 
     List<Task> taskQueue = Collections.synchronizedList(new ArrayList());
-    ArrayList<NonConsumer> allDone = new ArrayList();
+    ArrayList<Runnable> allDone = new ArrayList();
     ArrayList<DoingDoneListener<Task>> taskListener = new ArrayList();
 
     int totTask;
@@ -46,7 +45,7 @@ public class TaskList extends Thread {
         taskQueue.clear();
     }
 
-    public void addAllDoneListener(NonConsumer l) {
+    public void addAllDoneListener(Runnable l) {
         allDone.add(l);
     }
 
@@ -100,8 +99,7 @@ public class TaskList extends Thread {
             try {
                 if (this.isInterrupted()) return;
                 Thread.sleep(1);
-            } catch (InterruptedException ex) {
+            } catch (InterruptedException ignore) {
-                HMCLog.warn("Failed to sleep task thread", ex);
             }
 
     }
@@ -148,8 +146,8 @@ public class TaskList extends Thread {
         for (Task taskQueue1 : taskQueue)
             executeTask(taskQueue1);
         if (shouldContinue)
-            for (NonConsumer d : allDone)
+            for (Runnable d : allDone)
-                d.onDone();
+                d.run();
     }
 
     public boolean isEmpty() {

HMCLAPI/src/main/java/org/jackhuang/hellominecraft/tasks/TaskWindow.java

@@ -19,7 +19,6 @@ package org.jackhuang.hellominecraft.tasks;
 import java.util.ArrayList;
 import javax.swing.SwingUtilities;
 import org.jackhuang.hellominecraft.C;
-import org.jackhuang.hellominecraft.utils.functions.NonConsumer;
 import org.jackhuang.hellominecraft.HMCLog;
 import org.jackhuang.hellominecraft.utils.system.MessageBox;
 import org.jackhuang.hellominecraft.utils.StrUtils;
@@ -30,7 +29,7 @@ import org.jackhuang.hellominecraft.utils.SwingUtils;
  * @author huangyuhui
  */
 public class TaskWindow extends javax.swing.JDialog
-        implements ProgressProviderListener, NonConsumer, DoingDoneListener<Task> {
+        implements ProgressProviderListener, Runnable, DoingDoneListener<Task> {
 
     private static final TaskWindow instance = new TaskWindow();
 
@@ -202,7 +201,7 @@ public class TaskWindow extends javax.swing.JDialog
     }
 
     @Override
-    public void onDone() {
+    public void run() {
         suc = true;
         this.dispose();
         HMCLog.log("Tasks are finished.");
@@ -259,7 +258,9 @@ public class TaskWindow extends javax.swing.JDialog
     @Override
     public void setStatus(Task task, String sta) {
         SwingUtilities.invokeLater(() -> {
-            SwingUtils.setValueAt(lstDownload, sta, lstDownload.getRowCount(), 0);
+            int idx = tasks.indexOf(task);
+            if (idx == -1) return;
+            SwingUtils.setValueAt(lstDownload, task.getInfo() + ": " + sta, idx, 0);
         });
     }
 }

HMCLAPI/src/main/java/org/jackhuang/hellominecraft/tasks/download/FileDownloadTask.java

@@ -38,12 +38,14 @@ import org.jackhuang.hellominecraft.utils.system.IOUtils;
 public class FileDownloadTask extends Task implements PreviousResult<File>, PreviousResultRegistrar<String> {
 
     // Max size of download buffer.
-    private static final int MAX_BUFFER_SIZE = 2048;
+    protected static final int MAX_BUFFER_SIZE = 2048;
 
-    private URL url; // download URL
+    protected URL url; // download URL
-    private int size; // size of download in bytes
+    protected int downloaded = 0; // number of bytes downloaded
-    private int downloaded; // number of bytes downloaded
+    protected File filePath;
-    private final File filePath;
+
+    public FileDownloadTask() {
+    }
 
     public FileDownloadTask(File filePath) {
         this((URL) null, filePath);
@@ -56,8 +58,6 @@ public class FileDownloadTask extends Task implements PreviousResult<File>, Prev
     // Constructor for Download.
     public FileDownloadTask(URL url, File filePath) {
         this.url = url;
-        size = -1;
-        downloaded = 0;
         this.filePath = filePath;
     }
 
@@ -124,10 +124,6 @@ public class FileDownloadTask extends Task implements PreviousResult<File>, Prev
                     return false;
                 }
 
-                // Set the size for this download if it hasn't been already set.
-                if (size == -1)
-                    size = contentLength;
-
                 filePath.getParentFile().mkdirs();
 
                 File tempFile = new File(filePath.getAbsolutePath() + ".hmd");
@@ -135,10 +131,11 @@ public class FileDownloadTask extends Task implements PreviousResult<File>, Prev
                     tempFile.createNewFile();
 
                 // Open file and seek to the end of it.
-                file = new RandomAccessFile(tempFile, "rw");
+                file = new RandomAccessFile(tempFile, "rwd");
-                file.seek(downloaded);
 
                 stream = connection.getInputStream();
+                int lastDownloaded = 0;
+                long lastTime = System.currentTimeMillis();
                 while (true) {
                     // Size buffer according to how much of the file is left to download.
                     if (!shouldContinue) {
@@ -158,14 +155,21 @@ public class FileDownloadTask extends Task implements PreviousResult<File>, Prev
                     file.write(buffer, 0, read);
                     downloaded += read;
 
-                    if (ppl != null)
+                    long now = System.currentTimeMillis();
-                        ppl.setProgress(this, downloaded, size);
+                    if (ppl != null && (now - lastTime) >= 1000) {
+                        ppl.setProgress(this, downloaded, contentLength);
+                        ppl.setStatus(this, (downloaded - lastDownloaded) / 1024 + "KB/s");
+                        lastDownloaded = downloaded;
+                        lastTime = now;
+                    }
                 }
                 closeFiles();
                 if (aborted)
                     tempFile.delete();
-                else
+                else {
+                    if (filePath.exists()) filePath.delete();
                     tempFile.renameTo(filePath);
+                }
                 if (ppl != null)
                     ppl.onProgressProviderDone(this);
                 return true;
@@ -184,6 +188,7 @@ public class FileDownloadTask extends Task implements PreviousResult<File>, Prev
 
     @Override
     public boolean abort() {
+        //for (Downloader d : downloaders) d.abort();
         shouldContinue = false;
         aborted = true;
         return true;

HMCLAPI/src/main/java/org/jackhuang/hellominecraft/tasks/download/NetException.java

@@ -22,6 +22,10 @@ package org.jackhuang.hellominecraft.tasks.download;
  */
 public class NetException extends RuntimeException {
     
+    public NetException(Exception message) {
+        super(message);
+    }
+    
     public NetException(String message) {
         super(message);
     }

HMCLAPI/src/main/java/org/jackhuang/hellominecraft/utils/UpdateChecker.java

@@ -19,7 +19,6 @@ package org.jackhuang.hellominecraft.utils;
 import java.util.Map;
 import org.jackhuang.hellominecraft.utils.system.MessageBox;
 import org.jackhuang.hellominecraft.C;
-import org.jackhuang.hellominecraft.utils.functions.NonConsumer;
 import org.jackhuang.hellominecraft.HMCLog;
 
 /**
@@ -30,16 +29,15 @@ public final class UpdateChecker extends Thread {
 
     public static boolean OUT_DATED = false;
     public VersionNumber base;
+    public String versionString;
     public String type;
-    public boolean continueUpdate;
+    public Runnable dl;
-    public NonConsumer dl;
+    public Map<String, String> download_link = null;
-    public Map<String, String> download_link;
 
-    public UpdateChecker(VersionNumber base, String type, boolean continueUpdate, NonConsumer dl) {
+    public UpdateChecker(VersionNumber base, String type, Runnable dl) {
         super("UpdateChecker");
         this.base = base;
         this.type = type;
-        this.continueUpdate = continueUpdate;
         this.dl = dl;
     }
 
@@ -48,25 +46,16 @@ public final class UpdateChecker extends Thread {
     @Override
     public void run() {
 
-        String version;
         try {
-            version = NetUtils.doGet("http://huangyuhui.duapp.com/info.php?type=" + type);
+            versionString = NetUtils.doGet("http://huangyuhui.duapp.com/info.php?type=" + type);
         } catch (Exception e) {
             HMCLog.warn("Failed to get update url.", e);
             return;
         }
-        value = VersionNumber.check(version);
+        value = VersionNumber.check(versionString);
-        if (!continueUpdate)
-            return;
         process(false);
-        if (OUT_DATED) {
+        if (OUT_DATED)
-            try {
+            dl.run();
-                download_link = C.gson.fromJson(NetUtils.doGet("http://huangyuhui.duapp.com/update_link.php?type=" + type), Map.class);
-            } catch (Exception e) {
-                HMCLog.warn("Failed to get update link.", e);
-            }
-            dl.onDone();
-        }
     }
 
     public void process(boolean showMessage) {
@@ -74,14 +63,23 @@ public final class UpdateChecker extends Thread {
             HMCLog.warn("Failed to check update...");
             if (showMessage)
                 MessageBox.Show(C.i18n("update.failed"));
-        } else
+        } else if (VersionNumber.isOlder(base, value))
-            if (VersionNumber.isOlder(base, value)) {
+            OUT_DATED = true;
-                OUT_DATED = true;
-            }
     }
 
     public VersionNumber getNewVersion() {
         return value;
     }
 
+    public synchronized void requestDownloadLink(Runnable finish) {
+        new Thread(() -> {
+            if (download_link == null)
+                try {
+                    download_link = C.gson.fromJson(NetUtils.doGet("http://huangyuhui.duapp.com/update_link.php?type=" + type), Map.class);
+                } catch (Exception e) {
+                    HMCLog.warn("Failed to get update link.", e);
+                }
+            finish.run();
+        }).start();
+    }
 }

HMCLAPI/src/main/java/org/jackhuang/hellominecraft/utils/system/FileUtils.java

@@ -344,11 +344,13 @@ public class FileUtils {
         return filename.substring(0, index);
     }
 
-    public static void writeQuietly(File file, CharSequence data) {
+    public static boolean writeQuietly(File file, CharSequence data) {
         try {
             write(file, data);
+            return true;
         } catch (IOException e) {
             HMCLog.warn("Failed to write data to file: " + file, e);
+            return false;
         }
     }
 

HMCLAPI/src/main/java/org/jackhuang/hellominecraft/utils/system/JavaProcessMonitor.java

@@ -38,23 +38,24 @@ public class JavaProcessMonitor {
         this.p = p;
     }
 
-    void start() {
+    public void start() {
         Event<JavaProcess> event = (sender2, t) -> {
             processThreadStopped((ProcessThread) sender2, false);
             return true;
         };
-        ProcessThread a = new ProcessThread(p, true, true);
+        Event<JavaProcess> event2 = (sender3, p1) -> {
-        a.stopEvent.register((sender3, p1) -> {
             if (p1.getExitCode() != 0 && p1.getStdErrLines().size() > 0 && StrUtils.containsOne(p1.getStdErrLines(), Arrays.asList("Could not create the Java Virtual Machine.",
                     "Error occurred during initialization of VM",
                     "A fatal exception has occurred. Program will exit."))) MessageBox.Show(C.i18n("launch.cannot_create_jvm"));
             processThreadStopped((ProcessThread) sender3, false);
             return true;
-        });
+        };
+        ProcessThread a = new ProcessThread(p, true, true);
+        a.stopEvent.register(event2);
         a.start();
         al.add(a);
         a = new ProcessThread(p, false, true);
-        a.stopEvent.register(event);
+        a.stopEvent.register(event2);
         a.start();
         al.add(a);
         a = new ProcessThread(p, false, false);

HMCLAPI/src/main/java/org/jackhuang/hellominecraft/utils/system/ThreadExecutor.java

@@ -14,13 +14,33 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.
  */
-package org.jackhuang.hellominecraft.utils.functions;
+package org.jackhuang.hellominecraft.utils.system;
+
+import org.jackhuang.hellominecraft.utils.functions.Consumer;
 
 /**
  *
  * @author huangyuhui
  */
-public interface NonConsumer {
+public class ThreadExecutor extends Thread {
+
+    public final Consumer<Throwable> c;
+    public final Runnable r;
+
+    public ThreadExecutor(Consumer<Throwable> c, Runnable r) {
+        super();
+        this.c = c;
+        this.r = r;
+    }
+
+    @Override
+    public void run() {
+        try {
+            r.run();
+            c.accept(null);
+        } catch (Throwable t) {
+            c.accept(t);
+        }
+    }
 
-    void onDone();
 }

HMCLAPI/src/main/java/org/jackhuang/hellominecraft/views/LogWindow.java

@@ -17,7 +17,6 @@
 package org.jackhuang.hellominecraft.views;
 
 import org.jackhuang.hellominecraft.C;
-import org.jackhuang.hellominecraft.utils.functions.NonConsumer;
 import org.jackhuang.hellominecraft.utils.functions.NonFunction;
 import org.jackhuang.hellominecraft.utils.DoubleOutputStream;
 import org.jackhuang.hellominecraft.utils.LauncherPrintStream;
@@ -33,7 +32,7 @@ public class LogWindow extends javax.swing.JFrame {
 
     boolean movingEnd;
     NonFunction<Boolean> listener;
-    NonConsumer terminateGameListener;
+    Runnable terminateGameListener;
 
     /**
      * Creates new form LogWindow
@@ -226,7 +225,7 @@ public class LogWindow extends javax.swing.JFrame {
 
     private void btnTerminateGameActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_btnTerminateGameActionPerformed
         if (terminateGameListener != null)
-            terminateGameListener.onDone();
+            terminateGameListener.run();
     }//GEN-LAST:event_btnTerminateGameActionPerformed
 
     private void btnGitHubActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_btnGitHubActionPerformed
@@ -253,7 +252,7 @@ public class LogWindow extends javax.swing.JFrame {
         this.listener = exit;
     }
 
-    public void setTerminateGame(NonConsumer l) {
+    public void setTerminateGame(Runnable l) {
         this.terminateGameListener = l;
     }
 

HMCLAPI/src/main/resources/org/jackhuang/hellominecraft/launcher/I18N.properties

@@ -23,6 +23,7 @@ launch.cannot_create_jvm=\u622a\u83b7\u5230\u65e0\u6cd5\u521b\u5efaJava\u865a\u6
 launch.circular_dependency_versions=\u53d1\u73b0\u6e38\u620f\u7248\u672c\u5faa\u73af\u5f15\u7528\uff0c\u8bf7\u786e\u8ba4\u60a8\u7684\u5ba2\u6237\u7aef\u672a\u88ab\u4fee\u6539\u6216\u4fee\u6539\u5bfc\u81f4\u51fa\u73b0\u6b64\u95ee\u9898\u3002
 launch.not_finished_downloading_libraries=\u672a\u5b8c\u6210\u6e38\u620f\u4f9d\u8d56\u5e93\u7684\u4e0b\u8f7d\uff0c\u8fd8\u8981\u7ee7\u7eed\u542f\u52a8\u6e38\u620f\u5417\uff1f
 launch.not_finished_decompressing_natives=\u672a\u80fd\u89e3\u538b\u6e38\u620f\u672c\u5730\u5e93\uff0c\u8fd8\u8981\u7ee7\u7eed\u542f\u52a8\u6e38\u620f\u5417\uff1f
+launch.wrong_javadir=\u9519\u8bef\u7684Java\u8def\u5f84\uff0c\u5c06\u81ea\u52a8\u91cd\u7f6e\u4e3a\u9ed8\u8ba4Java\u8def\u5f84\u3002
 
 install.no_version=\u672a\u627e\u5230\u8981\u5b89\u88c5\u7684\u5bf9\u5e94MC\u7248\u672c
 install.no_version_if_intall=\u672a\u627e\u5230\u8981\u5b89\u88c5\u7684\u5bf9\u5e94MC\u7248\u672c\uff0c\u662f\u5426\u81ea\u52a8\u5b89\u88c5\u9700\u8981\u7684MC\u7248\u672c\uff1f

HMCLAPI/src/main/resources/org/jackhuang/hellominecraft/launcher/I18N_en_US.properties

@@ -23,6 +23,7 @@ launch.cannot_create_jvm=We find that it cannot create java virutal machine. The
 launch.circular_dependency_versions=Found circular dependency versions, please check if your client has been modified.
 launch.not_finished_downloading_libraries=Did not finish downloading libraries, continue launching game?
 launch.not_finished_decompressing_natives=Did not finish decompressing native libraries, continue launching game?
+launch.wrong_javadir=Wrong Java Dir, will reset to default Java dir.
 
 install.no_version=The version is not found.
 install.no_version_if_intall=The needed version is not found, should install the version automatically?

HMCLAPI/src/main/resources/org/jackhuang/hellominecraft/launcher/I18N_zh_CN.properties

@@ -23,6 +23,7 @@ launch.cannot_create_jvm=\u622a\u83b7\u5230\u65e0\u6cd5\u521b\u5efaJava\u865a\u6
 launch.circular_dependency_versions=\u53d1\u73b0\u6e38\u620f\u7248\u672c\u5faa\u73af\u5f15\u7528\uff0c\u8bf7\u786e\u8ba4\u60a8\u7684\u5ba2\u6237\u7aef\u672a\u88ab\u4fee\u6539\u6216\u4fee\u6539\u5bfc\u81f4\u51fa\u73b0\u6b64\u95ee\u9898\u3002
 launch.not_finished_downloading_libraries=\u672a\u5b8c\u6210\u6e38\u620f\u4f9d\u8d56\u5e93\u7684\u4e0b\u8f7d\uff0c\u8fd8\u8981\u7ee7\u7eed\u542f\u52a8\u6e38\u620f\u5417\uff1f
 launch.not_finished_decompressing_natives=\u672a\u80fd\u89e3\u538b\u6e38\u620f\u672c\u5730\u5e93\uff0c\u8fd8\u8981\u7ee7\u7eed\u542f\u52a8\u6e38\u620f\u5417\uff1f
+launch.wrong_javadir=\u9519\u8bef\u7684Java\u8def\u5f84\uff0c\u5c06\u81ea\u52a8\u91cd\u7f6e\u4e3a\u9ed8\u8ba4Java\u8def\u5f84\u3002
 
 install.no_version=\u672a\u627e\u5230\u8981\u5b89\u88c5\u7684\u5bf9\u5e94MC\u7248\u672c
 install.no_version_if_intall=\u672a\u627e\u5230\u8981\u5b89\u88c5\u7684\u5bf9\u5e94MC\u7248\u672c\uff0c\u662f\u5426\u81ea\u52a8\u5b89\u88c5\u9700\u8981\u7684MC\u7248\u672c\uff1f

HMCLAPI/src/main/resources/org/jackhuang/hellominecraft/launcher/I18N_zh_TW.properties

@@ -23,6 +23,7 @@ launch.cannot_create_jvm=\u622a\u7372\u5230\u7121\u6cd5\u5275\u5efaJava\u865b\u6
 launch.circular_dependency_versions=\u767c\u73fe\u904a\u6232\u7248\u672c\u5faa\u74b0\u5f15\u7528\uff0c\u8acb\u78ba\u8a8d\u60a8\u7684\u5ba2\u6236\u7aef\u672a\u88ab\u4fee\u6539\u6216\u4fee\u6539\u5c0e\u81f4\u51fa\u73fe\u6b64\u554f\u984c\u3002
 launch.not_finished_downloading_libraries=\u672a\u5b8c\u6210\u904a\u6232\u4f9d\u8cf4\u5eab\u7684\u4e0b\u8f09\uff0c\u9084\u8981\u7e7c\u7e8c\u555f\u52d5\u904a\u6232\u55ce\uff1f
 launch.not_finished_decompressing_natives=\u672a\u80fd\u89e3\u58d3\u904a\u6232\u672c\u5730\u5eab\uff0c\u9084\u8981\u7e7c\u7e8c\u555f\u52d5\u904a\u6232\u55ce\uff1f
+launch.wrong_javadir=\u932f\u8aa4\u7684Java\u8def\u5f91\uff0c\u5c07\u81ea\u52d5\u91cd\u7f6e\u70ba\u9ed8\u8a8dJava\u8def\u5f91\u3002
 
 install.no_version=\u672a\u627e\u5230\u8981\u5b89\u88dd\u7684\u5c0d\u61c9MC\u7248\u672c
 install.no_version_if_intall=\u672a\u627e\u5230\u8981\u5b89\u88dd\u7684\u5c0d\u61c9MC\u7248\u672c\uff0c\u662f\u5426\u81ea\u52a8\u5b89\u88c5\u9700\u8981\u7684MC\u7248\u672c\uff1f