Fixed #68

在 Windows 的启动脚本里增加一行 cd %appdata%

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

@@ -20,7 +20,6 @@ package org.jackhuang.hellominecraft.launcher.core;
 import java.io.File;
 import java.io.IOException;
 import org.jackhuang.hellominecraft.util.system.FileUtils;
-import org.jackhuang.hellominecraft.util.system.IOUtils;
 import org.jackhuang.hellominecraft.util.system.OS;
 
 /**
@@ -63,14 +62,11 @@ public final class MCUtils {
     }
 
     public static File getInitGameDir() {
-        File gameDir = IOUtils.currentDir();
-        if (gameDir.exists()) {
-            gameDir = new File(gameDir, MCUtils.minecraft());
-            if (!gameDir.exists()) {
-                File newFile = MCUtils.getLocation();
-                if (newFile.exists())
-                    gameDir = newFile;
-            }
+        File gameDir = new File(MCUtils.minecraft());
+        if (!gameDir.exists()) {
+            File newFile = MCUtils.getLocation();
+            if (newFile.exists())
+                gameDir = newFile;
         }
         return gameDir;
     }
@@ -80,6 +76,6 @@ public final class MCUtils {
     public static void tryWriteProfile(File gameDir) throws IOException {
         File file = new File(gameDir, "launcher_profiles.json");
         if (!file.exists())
-            FileUtils.writeStringToFile(file, PROFILE);
+            FileUtils.write(file, PROFILE);
     }
 }

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/core/asset/AssetsMojangLoader.java

@@ -66,7 +66,7 @@ public class AssetsMojangLoader extends IAssetsHandler {
             public void executeTask() throws Throwable {
                 if (!areDependTasksSucceeded)
                     throw new IllegalStateException("Failed to get asset index");
-                String result = FileUtils.readFileToString(f);
+                String result = FileUtils.read(f);
                 if (StrUtils.isBlank(result))
                     throw new IllegalStateException("Index json is empty, please redownload it!");
                 AssetsIndex o = C.GSON.fromJson(result, AssetsIndex.class);

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/core/asset/MinecraftAssetService.java

@@ -133,7 +133,7 @@ public class MinecraftAssetService extends IMinecraftAssetService {
         File objectsDir = new File(assetsDir, "objects");
         File indexFile = new File(indexDir, assetVersion + ".json");
         try {
-            AssetsIndex index = (AssetsIndex) C.GSON.fromJson(FileUtils.readFileToString(indexFile, "UTF-8"), AssetsIndex.class);
+            AssetsIndex index = (AssetsIndex) C.GSON.fromJson(FileUtils.read(indexFile, "UTF-8"), AssetsIndex.class);
 
             String hash = ((AssetsObject) index.getFileMap().get(name)).getHash();
             return new File(objectsDir, hash.substring(0, 2) + "/" + hash);
@@ -152,7 +152,7 @@ public class MinecraftAssetService extends IMinecraftAssetService {
             return false;
 
         try {
-            String assetIndexContent = FileUtils.readFileToString(indexFile, "UTF-8");
+            String assetIndexContent = FileUtils.read(indexFile, "UTF-8");
             AssetsIndex index = (AssetsIndex) C.GSON.fromJson(assetIndexContent, AssetsIndex.class);
 
             if (index == null)
@@ -180,7 +180,7 @@ public class MinecraftAssetService extends IMinecraftAssetService {
         }
 
         try {
-            String assetIndexContent = FileUtils.readFileToString(indexFile, "UTF-8");
+            String assetIndexContent = FileUtils.read(indexFile, "UTF-8");
             AssetsIndex index = (AssetsIndex) C.GSON.fromJson(assetIndexContent, AssetsIndex.class);
 
             if (index == null)
@@ -195,7 +195,7 @@ public class MinecraftAssetService extends IMinecraftAssetService {
                     if (original.exists()) {
                         cnt++;
                         if (!target.isFile())
-                            FileUtils.copyFile(original, target, false);
+                            FileUtils.copyFile(original, target);
                     }
                 }
                 // If the scale new format existent file is lower then 0.1, use the old format.

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/core/download/MinecraftDownloadService.java

@@ -85,7 +85,7 @@ public class MinecraftDownloadService extends IMinecraftDownloadService {
                 if (mvj.exists() && !mvj.delete())
                     HMCLog.warn("Failed to delete " + mvj);
                 try {
-                    MinecraftVersion mv = C.GSON.fromJson(FileUtils.readFileToStringQuietly(new File(vpath, id + ".json")), MinecraftVersion.class);
+                    MinecraftVersion mv = C.GSON.fromJson(FileUtils.readQuietly(new File(vpath, id + ".json")), MinecraftVersion.class);
                     if (mv == null)
                         throw new JsonSyntaxException("incorrect version");
 

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/core/install/MinecraftInstallerService.java

@@ -57,7 +57,7 @@ public final class MinecraftInstallerService extends IMinecraftInstallerService
 
     @Override
     public Task downloadForge(String installId, InstallerVersion v) {
-        File filepath = IOUtils.tryGetCanonicalFile(IOUtils.currentDirWithSeparator() + "forge-installer.jar");
+        File filepath = IOUtils.tryGetCanonicalFile("forge-installer.jar");
         if (v.installer == null)
             return null;
         else
@@ -68,7 +68,7 @@ public final class MinecraftInstallerService extends IMinecraftInstallerService
 
     @Override
     public Task downloadOptiFine(String installId, InstallerVersion v) {
-        File filepath = IOUtils.tryGetCanonicalFile(IOUtils.currentDirWithSeparator() + "optifine-installer.jar");
+        File filepath = IOUtils.tryGetCanonicalFile("optifine-installer.jar");
         if (v.installer == null)
             return null;
         OptiFineDownloadFormatter task = new OptiFineDownloadFormatter(v.installer);
@@ -79,7 +79,7 @@ public final class MinecraftInstallerService extends IMinecraftInstallerService
 
     @Override
     public Task downloadLiteLoader(String installId, InstallerVersion v) {
-        File filepath = IOUtils.tryGetCanonicalFile(IOUtils.currentDirWithSeparator() + "liteloader-universal.jar");
+        File filepath = IOUtils.tryGetCanonicalFile("liteloader-universal.jar");
         FileDownloadTask task = (FileDownloadTask) new FileDownloadTask(v.universal, filepath).setTag("LiteLoader");
         return task.after(new LiteLoaderInstaller(service, installId, (LiteLoaderVersionList.LiteLoaderInstallerVersion) v).registerPreviousResult(task))
             .after(new DeleteFileTask(filepath));

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/core/install/PackMinecraftInstaller.java

@@ -23,7 +23,6 @@ import java.util.ArrayList;
 import org.jackhuang.hellominecraft.util.logging.HMCLog;
 import org.jackhuang.hellominecraft.util.system.Compressor;
 import org.jackhuang.hellominecraft.util.system.FileUtils;
-import org.jackhuang.hellominecraft.util.system.IOUtils;
 
 /**
  *
@@ -40,7 +39,7 @@ public class PackMinecraftInstaller {
     }
 
     public void install() throws IOException {
-        File file = new File(IOUtils.currentDir(), "HMCL-MERGE-TEMP");
+        File file = new File("HMCL-MERGE-TEMP");
         if (!file.exists() && !file.mkdirs())
             HMCLog.warn("Failed to make directories: " + file);
         for (String src1 : src)

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/core/install/optifine/OptiFineInstaller.java

@@ -72,14 +72,15 @@ public class OptiFineInstaller extends Task implements PreviousResultRegistrar<F
                     mv.mainClass = "net.minecraft.launchwrapper.Launch";
                     mv.libraries.add(1, new MinecraftLibrary("net.minecraft:launchwrapper:1.7"));
                 }
-                mv.minecraftArguments += " --tweakClass optifine.OptiFineTweaker";
+                if (!mv.minecraftArguments.contains("FMLTweaker"))
+                    mv.minecraftArguments += " --tweakClass optifine.OptiFineTweaker";
             }
         }
         File loc = new File(service.baseDirectory(), "versions/" + mv.id);
         if (!loc.exists() && loc.mkdirs())
             HMCLog.warn("Failed to make directories: " + loc);
         File json = new File(loc, mv.id + ".json");
-        FileUtils.writeStringToFile(json, C.GSON.toJson(mv, MinecraftVersion.class));
+        FileUtils.write(json, C.GSON.toJson(mv, MinecraftVersion.class));
 
         service.version().refreshVersions();
     }

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

@@ -29,7 +29,6 @@ import org.jackhuang.hellominecraft.util.MessageBox;
 import org.jackhuang.hellominecraft.util.system.OS;
 import org.jackhuang.hellominecraft.util.system.Platform;
 import org.jackhuang.hellominecraft.util.StrUtils;
-import org.jackhuang.hellominecraft.util.Utils;
 import org.jackhuang.hellominecraft.launcher.core.GameException;
 import org.jackhuang.hellominecraft.launcher.core.auth.UserProfileProvider;
 import org.jackhuang.hellominecraft.launcher.core.version.MinecraftVersion;

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

@@ -120,8 +120,8 @@ public class GameLauncher {
      *
      * @throws IOException failed creating process
      */
-    public void launch(List str) throws IOException {
-        if (!service.version().onLaunch())
+    public void launch(List<String> str) throws IOException {
+        if (!service.version().onLaunch(options.getLaunchVersion()))
             return;
         if (StrUtils.isNotBlank(options.getPrecalledCommand())) {
             Process p = Runtime.getRuntime().exec(options.getPrecalledCommand());
@@ -133,6 +133,7 @@ public class GameLauncher {
             }
         }
         HMCLog.log("Starting process");
+        HMCLog.log(str.toString());
         ProcessBuilder builder = new ProcessBuilder(str);
         if (options.getLaunchVersion() == null || service.baseDirectory() == null)
             throw new Error("Fucking bug!");
@@ -155,7 +156,7 @@ public class GameLauncher {
      */
     public File makeLauncher(String launcherName, List str) throws IOException {
         HMCLog.log("Making shell launcher...");
-        service.version().onLaunch();
+        service.version().onLaunch(options.getLaunchVersion());
         boolean isWin = OS.os() == OS.WINDOWS;
         File f = new File(launcherName + (isWin ? ".bat" : ".sh"));
         if (!f.exists() && !f.createNewFile())
@@ -174,6 +175,8 @@ public class GameLauncher {
             if (appdata != null) {
                 writer.write("set appdata=" + appdata);
                 writer.newLine();
+                writer.write("cd %appdata%");
+                writer.newLine();
             }
         }
         if (StrUtils.isNotBlank(options.getPrecalledCommand())) {

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/core/mod/ModpackManager.java

@@ -164,13 +164,13 @@ public final class ModpackManager {
                         HMCLog.warn("Failed to rename incorrect json " + oldFile + " to " + nowFile);
 
                     File json = new File(nowFile, "pack.json");
-                    MinecraftVersion mv = C.GSON.fromJson(FileUtils.readFileToString(json), MinecraftVersion.class);
+                    MinecraftVersion mv = C.GSON.fromJson(FileUtils.read(json), MinecraftVersion.class);
                     if (mv.jar == null)
                         throw new FileNotFoundException(C.i18n("modpack.incorrect_format.no_jar"));
 
                     c.add(service.download().downloadMinecraftJar(mv, new File(nowFile, id + ".jar")));
                     mv.jar = null;
-                    FileUtils.writeStringToFile(json, C.GSON.toJson(mv));
+                    FileUtils.write(json, C.GSON.toJson(mv));
                     if (!json.renameTo(new File(nowFile, id + ".json")))
                         HMCLog.warn("Failed to rename pack.json to new id");
 

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/core/service/IMinecraftProvider.java

@@ -72,13 +72,6 @@ public abstract class IMinecraftProvider {
      */
     public abstract boolean install(String version, Consumer<MinecraftVersion> callback);
 
-    /**
-     * Returns the thing like ".minecraft/resourcepacks".
-     *
-     * @return the thing
-     */
-    public abstract File getResourcePacks();
-
     /**
      *
      * @param v should be resolved
@@ -164,7 +157,7 @@ public abstract class IMinecraftProvider {
      *
      * @return if false, will break the launch process.
      */
-    public abstract boolean onLaunch();
+    public abstract boolean onLaunch(String id);
 
     public File baseDirectory() {
         return service.baseDirectory();

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/core/version/MinecraftVersion.java

@@ -121,7 +121,7 @@ public class MinecraftVersion implements Cloneable, Comparable<MinecraftVersion>
             this.assets != null ? this.assets : parent.assets,
             this.jar != null ? this.jar : parent.jar,
             null, this.runDir, parent.minimumLauncherVersion,
-            this.libraries != null ? ArrayUtils.merge(this.libraries, parent.libraries) : parent.libraries, this.hidden,
+            this.libraries != null ? ArrayUtils.merge(parent.libraries, this.libraries) : parent.libraries, this.hidden,
             this.downloads != null ? this.downloads : parent.downloads,
             this.assetIndex != null ? this.assetIndex : parent.assetIndex);
 

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/core/version/MinecraftVersionManager.java

@@ -111,7 +111,7 @@ public class MinecraftVersionManager extends IMinecraftProvider {
                 }
                 MinecraftVersion mcVersion;
                 try {
-                    mcVersion = C.GSON.fromJson(FileUtils.readFileToString(jsonFile), MinecraftVersion.class);
+                    mcVersion = C.GSON.fromJson(FileUtils.read(jsonFile), MinecraftVersion.class);
                     if (mcVersion == null)
                         throw new GameException("Wrong json format, got null.");
                 } catch (Exception e) {
@@ -119,7 +119,7 @@ public class MinecraftVersionManager extends IMinecraftProvider {
                     if (MessageBox.Show(C.i18n("launcher.versions_json_not_formatted", id), MessageBox.YES_NO_OPTION) == MessageBox.YES_OPTION) {
                         service.download().downloadMinecraftVersionJson(id);
                         try {
-                            mcVersion = C.GSON.fromJson(FileUtils.readFileToString(jsonFile), MinecraftVersion.class);
+                            mcVersion = C.GSON.fromJson(FileUtils.read(jsonFile), MinecraftVersion.class);
                             if (mcVersion == null)
                                 throw new GameException("Wrong json format, got null.");
                         } catch (IOException | GameException | JsonSyntaxException ex) {
@@ -164,7 +164,7 @@ public class MinecraftVersionManager extends IMinecraftProvider {
     public boolean renameVersion(String from, String to) {
         try {
             File fromJson = new File(versionRoot(from), from + ".json");
-            MinecraftVersion mcVersion = C.GSON.fromJson(FileUtils.readFileToString(fromJson), MinecraftVersion.class);
+            MinecraftVersion mcVersion = C.GSON.fromJson(FileUtils.read(fromJson), MinecraftVersion.class);
             mcVersion.id = to;
             FileUtils.writeQuietly(fromJson, C.GSON.toJson(mcVersion));
             File toDir = versionRoot(to);
@@ -198,7 +198,7 @@ public class MinecraftVersionManager extends IMinecraftProvider {
             return false;
         if (callback != null) {
             File mvt = new File(versionRoot(id), id + ".json");
-            MinecraftVersion v = C.GSON.fromJson(FileUtils.readFileToStringQuietly(mvt), MinecraftVersion.class);
+            MinecraftVersion v = C.GSON.fromJson(FileUtils.readQuietly(mvt), MinecraftVersion.class);
             if (v == null)
                 return false;
             callback.accept(v);
@@ -254,13 +254,8 @@ public class MinecraftVersionManager extends IMinecraftProvider {
     }
 
     @Override
-    public File getResourcePacks() {
-        return new File(service.baseDirectory(), "resourcepacks");
-    }
-
-    @Override
-    public boolean onLaunch() {
-        File resourcePacks = getResourcePacks();
+    public boolean onLaunch(String id) {
+        File resourcePacks = new File(getRunDirectory(id), "resourcepacks");
         if (!resourcePacks.exists() && !resourcePacks.mkdirs())
             HMCLog.warn("Failed to make resourcePacks: " + resourcePacks);
         return true;

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

@@ -46,7 +46,7 @@ public final class Profile {
     }
 
     public Profile(String name) {
-        this(name, new File(IOUtils.currentDir(), ".minecraft").getPath());
+        this(name, new File(".minecraft").getPath());
     }
 
     public Profile(String name, String gameDir) {

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

@@ -30,7 +30,6 @@ import org.jackhuang.hellominecraft.launcher.core.download.DownloadType;
 import org.jackhuang.hellominecraft.util.CollectionUtils;
 import org.jackhuang.hellominecraft.util.EventHandler;
 import org.jackhuang.hellominecraft.util.system.FileUtils;
-import org.jackhuang.hellominecraft.util.system.IOUtils;
 import org.jackhuang.hellominecraft.util.MessageBox;
 import org.jackhuang.hellominecraft.util.UpdateChecker;
 
@@ -43,7 +42,7 @@ public final class Settings {
     public static final String DEFAULT_PROFILE = "Default";
     public static final String HOME_PROFILE = "Home";
 
-    public static final File SETTINGS_FILE = new File(IOUtils.currentDir(), "hmcl.json");
+    public static final File SETTINGS_FILE = new File("hmcl.json");
 
     private static final Config SETTINGS;
     public static final UpdateChecker UPDATE_CHECKER = new UpdateChecker(Main.getVersionNumber(), "hmcl");
@@ -71,7 +70,7 @@ public final class Settings {
         Config c = new Config();
         if (SETTINGS_FILE.exists())
             try {
-                String str = FileUtils.readFileToString(SETTINGS_FILE);
+                String str = FileUtils.read(SETTINGS_FILE);
                 if (str == null || str.trim().equals(""))
                     HMCLog.log("Settings file is empty, use the default settings.");
                 else {

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/ui/GameSettingsPanel.form

@@ -406,10 +406,6 @@
                   <Group type="102" attributes="0">
                       <Group type="103" groupAlignment="0" attributes="0">
                           <Component id="txtWrapperLauncher" alignment="0" max="32767" attributes="0"/>
-                          <Group type="102" alignment="0" attributes="0">
-                              <Component id="lblPrecalledCommand1" min="-2" max="-2" attributes="0"/>
-                              <EmptySpace min="0" pref="0" max="32767" attributes="0"/>
-                          </Group>
                           <Group type="102" alignment="0" attributes="0">
                               <EmptySpace max="-2" attributes="0"/>
                               <Component id="chkNoJVMArgs" min="-2" max="-2" attributes="0"/>
@@ -418,6 +414,7 @@
                           </Group>
                           <Group type="102" attributes="0">
                               <Group type="103" groupAlignment="0" attributes="0">
+                                  <Component id="lblPrecalledCommand1" alignment="0" min="-2" max="-2" attributes="0"/>
                                   <Component id="lblPrecalledCommand" alignment="0" min="-2" max="-2" attributes="0"/>
                                   <Component id="lblServerIP" alignment="0" min="-2" max="-2" attributes="0"/>
                               </Group>

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/ui/GameSettingsPanel.java

@@ -61,7 +61,6 @@ import org.jackhuang.hellominecraft.util.system.OS;
 import org.jackhuang.hellominecraft.util.StrUtils;
 import org.jackhuang.hellominecraft.util.func.Consumer;
 import org.jackhuang.hellominecraft.util.system.FileUtils;
-import org.jackhuang.hellominecraft.util.system.IOUtils;
 import org.jackhuang.hellominecraft.util.ui.SwingUtils;
 import org.jackhuang.hellominecraft.util.system.Java;
 import org.jackhuang.hellominecraft.util.tasks.TaskWindow;
@@ -1095,7 +1094,7 @@ public final class GameSettingsPanel extends AnimatedPanel implements DropTarget
     }//GEN-LAST:event_btnMakeLaunchScriptActionPerformed
 
     private void btnIncludeMinecraftActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_btnIncludeMinecraftActionPerformed
-        JFileChooser fc = new JFileChooser(IOUtils.currentDir());
+        JFileChooser fc = new JFileChooser(new File("."));
         fc.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
         if (fc.showOpenDialog(this) == JFileChooser.APPROVE_OPTION) {
             File newGameDir = fc.getSelectedFile();

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/ui/LaunchingUIDaemon.java

@@ -109,7 +109,7 @@ public class LaunchingUIDaemon {
                 }
                 String msg = C.i18n("launch.exited_abnormally") + " exit code: " + t;
                 if (errorText != null)
-                    msg += ", advice: " + MinecraftCrashAdvicer.getAdvice(FileUtils.readFileToStringQuietly(new File(errorText)));
+                    msg += ", advice: " + MinecraftCrashAdvicer.getAdvice(FileUtils.readQuietly(new File(errorText)));
                 MessageBox.Show(msg);
                 WebFrame f = new WebFrame(logs);
                 f.setModal(true);

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/util/HMCLMinecraftService.java

@@ -91,7 +91,7 @@ public class HMCLMinecraftService extends IMinecraftService {
         VersionSetting vs = null;
         File f = new File(provider.versionRoot(id), "hmclversion.cfg");
         if (f.exists()) {
-            String s = FileUtils.readFileToStringQuietly(f);
+            String s = FileUtils.readQuietly(f);
             if (s != null)
                 try {
                     vs = C.GSON.fromJson(s, VersionSetting.class);

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/util/upgrade/AppDataUpgrader.java

@@ -81,7 +81,7 @@ public class AppDataUpgrader extends IUpgrader {
             try {
                 File f = AppDataUpgraderTask.HMCL_VER_FILE;
                 if (f.exists()) {
-                    Map<String, String> m = C.GSON.fromJson(FileUtils.readFileToString(f), Map.class);
+                    Map<String, String> m = C.GSON.fromJson(FileUtils.read(f), Map.class);
                     String s = m.get("ver");
                     if (s != null && VersionNumber.check(s).compareTo(nowVersion) > 0) {
                         String j = m.get("loc");
@@ -179,7 +179,7 @@ public class AppDataUpgrader extends IUpgrader {
             json.put("ver", newestVersion);
             json.put("loc", f.getAbsolutePath());
             String result = C.GSON.toJson(json);
-            FileUtils.writeStringToFile(HMCL_VER_FILE, result);
+            FileUtils.write(HMCL_VER_FILE, result);
         }
 
         @Override

HMCLAPI/src/main/java/org/jackhuang/hellominecraft/util/StrUtils.java

@@ -184,7 +184,7 @@ public final class StrUtils {
         return sb.toString();
     }
 
-    public static boolean isEquals(String base, String to) {
+    public static boolean equals(String base, String to) {
         if (base == null)
             return (to == null);
         else
@@ -240,4 +240,14 @@ public final class StrUtils {
         t.printStackTrace(writer);
         return trace.toString();
     }
+
+    public static List<Integer> findAllPos(String t, String p) {
+        ArrayList<Integer> ret = new ArrayList<>();
+        int i = 0, index;
+        while ((index = t.indexOf(p, i)) != -1) {
+            ret.add(index);
+            i = index + p.length();
+        }
+        return ret;
+    }
 }

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

@@ -24,7 +24,8 @@ import java.io.FileNotFoundException;
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.OutputStream;
-import java.nio.channels.FileChannel;
+import java.nio.file.Files;
+import java.nio.file.StandardCopyOption;
 import java.util.ArrayList;
 import java.util.List;
 import org.jackhuang.hellominecraft.util.logging.HMCLog;
@@ -134,20 +135,10 @@ public class FileUtils {
 
     public static void copyDirectory(File srcDir, File destDir)
         throws IOException {
-        copyDirectory(srcDir, destDir, true);
-    }
-
-    public static void copyDirectory(File srcDir, File destDir, boolean preserveFileDate)
-        throws IOException {
-        copyDirectory(srcDir, destDir, null, preserveFileDate);
+        copyDirectory(srcDir, destDir, null);
     }
 
     public static void copyDirectory(File srcDir, File destDir, FileFilter filter)
-        throws IOException {
-        copyDirectory(srcDir, destDir, filter, true);
-    }
-
-    public static void copyDirectory(File srcDir, File destDir, FileFilter filter, boolean preserveFileDate)
         throws IOException {
         if (srcDir == null)
             throw new NullPointerException("Source must not be null");
@@ -171,10 +162,10 @@ public class FileUtils {
                 }
             }
         }
-        doCopyDirectory(srcDir, destDir, filter, preserveFileDate, exclusionList);
+        doCopyDirectory(srcDir, destDir, filter, exclusionList);
     }
 
-    private static void doCopyDirectory(File srcDir, File destDir, FileFilter filter, boolean preserveFileDate, List<String> exclusionList)
+    private static void doCopyDirectory(File srcDir, File destDir, FileFilter filter, List<String> exclusionList)
         throws IOException {
         File[] srcFiles = filter == null ? srcDir.listFiles() : srcDir.listFiles(filter);
         if (srcFiles == null)
@@ -191,22 +182,19 @@ public class FileUtils {
             File dstFile = new File(destDir, srcFile.getName());
             if ((exclusionList == null) || (!exclusionList.contains(srcFile.getCanonicalPath())))
                 if (srcFile.isDirectory())
-                    doCopyDirectory(srcFile, dstFile, filter, preserveFileDate, exclusionList);
+                    doCopyDirectory(srcFile, dstFile, filter, exclusionList);
                 else
-                    doCopyFile(srcFile, dstFile, preserveFileDate);
-
+                    doCopyFile(srcFile, dstFile);
         }
-
-        if (preserveFileDate)
-            destDir.setLastModified(srcDir.lastModified());
+        destDir.setLastModified(srcDir.lastModified());
     }
 
-    public static String readFileToString(File file)
+    public static String read(File file)
         throws IOException {
         return NetUtils.getStreamContent(IOUtils.openInputStream(file));
     }
 
-    public static String readFileToStringQuietly(File file) {
+    public static String readQuietly(File file) {
         try {
             return NetUtils.getStreamContent(IOUtils.openInputStream(file));
         } catch (IOException ex) {
@@ -215,12 +203,12 @@ public class FileUtils {
         }
     }
 
-    public static String readFileToString(File file, String charset)
+    public static String read(File file, String charset)
         throws IOException {
         return NetUtils.getStreamContent(IOUtils.openInputStream(file), charset);
     }
 
-    public static String readFileToStringIgnoreFileNotFound(File file) throws IOException {
+    public static String readIgnoreFileNotFound(File file) throws IOException {
         try {
             return NetUtils.getStreamContent(IOUtils.openInputStream(file));
         } catch (FileNotFoundException ex) {
@@ -237,11 +225,6 @@ public class FileUtils {
     }
 
     public static void copyFile(File srcFile, File destFile)
-        throws IOException {
-        copyFile(srcFile, destFile, true);
-    }
-
-    public static void copyFile(File srcFile, File destFile, boolean preserveFileDate)
         throws IOException {
         if (srcFile == null)
             throw new NullPointerException("Source must not be null");
@@ -260,42 +243,12 @@ public class FileUtils {
 
         if ((destFile.exists()) && (!destFile.canWrite()))
             throw new IOException("Destination '" + destFile + "' exists but is read-only");
-        doCopyFile(srcFile, destFile, preserveFileDate);
+        doCopyFile(srcFile, destFile);
     }
 
-    private static void doCopyFile(File srcFile, File destFile, boolean preserveFileDate)
+    public static void doCopyFile(File srcFile, File destFile)
         throws IOException {
-        if ((destFile.exists()) && (destFile.isDirectory()))
-            throw new IOException("Destination '" + destFile + "' exists but is a directory");
-
-        FileInputStream fis = null;
-        FileOutputStream fos = null;
-        FileChannel input = null;
-        FileChannel output = null;
-        try {
-            fis = new FileInputStream(srcFile);
-            fos = new FileOutputStream(destFile);
-            input = fis.getChannel();
-            output = fos.getChannel();
-            long size = input.size();
-            long pos = 0L;
-            long count;
-            while (pos < size) {
-                count = size - pos > 31457280L ? 31457280L : size - pos;
-                pos += output.transferFrom(input, pos, count);
-            }
-        } finally {
-            IOUtils.closeQuietly(output);
-            IOUtils.closeQuietly(fos);
-            IOUtils.closeQuietly(input);
-            IOUtils.closeQuietly(fis);
-        }
-
-        if (srcFile.length() != destFile.length())
-            throw new IOException("Failed to copy full contents from '" + srcFile + "' to '" + destFile + "'");
-
-        if (preserveFileDate)
-            destFile.setLastModified(srcFile.lastModified());
+        Files.copy(srcFile.toPath(), destFile.toPath(), StandardCopyOption.COPY_ATTRIBUTES, StandardCopyOption.REPLACE_EXISTING);
     }
 
     public static int indexOfLastSeparator(String filename) {
@@ -350,9 +303,9 @@ public class FileUtils {
         return filename.substring(0, index);
     }
 
-    public static boolean writeQuietly(File file, CharSequence data) {
+    public static boolean writeQuietly(File file, String data) {
         try {
-            write(file, data);
+            FileUtils.write(file, data);
             return true;
         } catch (IOException e) {
             HMCLog.warn("Failed to write data to file: " + file, e);
@@ -360,38 +313,17 @@ public class FileUtils {
         }
     }
 
-    public static void write(File file, CharSequence data)
+    public static void write(File file, String data)
         throws IOException {
         write(file, data, "UTF-8", false);
     }
 
-    public static void write(File file, CharSequence data, boolean append)
-        throws IOException {
-        write(file, data, "UTF-8", append);
-    }
-
-    public static void write(File file, CharSequence data, String encoding)
+    public static void write(File file, String data, String encoding)
         throws IOException {
         write(file, data, encoding, false);
     }
 
-    public static void write(File file, CharSequence data, String encoding, boolean append)
-        throws IOException {
-        String str = data == null ? null : data.toString();
-        writeStringToFile(file, str, encoding, append);
-    }
-
-    public static void writeStringToFile(File file, String data)
-        throws IOException {
-        writeStringToFile(file, data, "UTF-8", false);
-    }
-
-    public static void writeStringToFile(File file, String data, String encoding)
-        throws IOException {
-        writeStringToFile(file, data, encoding, false);
-    }
-
-    public static void writeStringToFile(File file, String data, String encoding, boolean append)
+    public static void write(File file, String data, String encoding, boolean append)
         throws IOException {
         OutputStream out = null;
         try {

HMCLAPI/src/main/java/org/jackhuang/hellominecraft/util/system/IOUtils.java

@@ -27,8 +27,6 @@ import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.io.OutputStream;
-import java.io.Reader;
-import java.io.Writer;
 import java.net.InetAddress;
 import java.net.MalformedURLException;
 import java.net.NetworkInterface;
@@ -37,6 +35,7 @@ import java.net.URL;
 import java.net.UnknownHostException;
 import java.util.ArrayList;
 import java.util.List;
+import org.jackhuang.hellominecraft.util.func.Consumer;
 import org.jackhuang.hellominecraft.util.logging.HMCLog;
 
 /**
@@ -85,40 +84,24 @@ public class IOUtils {
         return t.substring(i + 1, (t.length() - i) + (i + 1) - 1);
     }
 
-    public static ArrayList<String> findAllFile(File f) {
-        ArrayList<String> arr = new ArrayList<>();
+    public static void findAllFile(File f, Consumer<String> callback) {
         if (f.isDirectory()) {
             File[] f1 = f.listFiles();
             int len = f1.length;
             for (int i = 0; i < len; i++)
                 if (f1[i].isFile())
-                    arr.add(f1[i].getName());
+                    callback.accept(f1[i].getName());
         }
-        return arr;
     }
 
-    public static ArrayList<String> findAllFileWithFullName(File f) {
-        ArrayList<String> arr = new ArrayList<>();
-        if (f.isDirectory()) {
-            File[] f1 = f.listFiles();
-            int len = f1.length;
-            for (int i = 0; i < len; i++)
-                if (f1[i].isFile())
-                    arr.add(addSeparator(f.getAbsolutePath()) + f1[i].getName());
-        }
-        return arr;
-    }
-
-    public static ArrayList<String> findAllDir(File f) {
-        ArrayList<String> arr = new ArrayList<>();
+    public static void findAllDir(File f, Consumer<String> callback) {
         if (f.isDirectory()) {
             File[] f1 = f.listFiles();
             int len = f1.length;
             for (int i = 0; i < len; i++)
                 if (f1[i].isDirectory())
-                    arr.add(f1[i].getName());
+                    callback.accept(f1[i].getName());
         }
-        return arr;
     }
 
     public static String getRealPath() {
@@ -139,14 +122,6 @@ public class IOUtils {
         return path.startsWith("/") || path.indexOf(":") > 0;
     }
 
-    public static File currentDir() {
-        return new File(".");
-    }
-
-    public static String currentDirWithSeparator() {
-        return addSeparator(currentDir().getAbsolutePath());
-    }
-
     public static String getLocalMAC() {
         InetAddress addr;
         try {
@@ -221,22 +196,6 @@ public class IOUtils {
         return entryBuffer;
     }
 
-    public static void closeQuietly(Reader input) {
-        closeQuietly((Closeable) input);
-    }
-
-    public static void closeQuietly(Writer output) {
-        closeQuietly((Closeable) output);
-    }
-
-    public static void closeQuietly(InputStream input) {
-        closeQuietly((Closeable) input);
-    }
-
-    public static void closeQuietly(OutputStream output) {
-        closeQuietly((Closeable) output);
-    }
-
     public static void closeQuietly(Closeable closeable) {
         try {
             if (closeable != null)

HMCLAPI/src/main/java/org/jackhuang/hellominecraft/util/system/OS.java

@@ -109,7 +109,7 @@ public enum OS {
     }
 
     public static String getLinuxReleaseVersion() throws IOException {
-        return FileUtils.readFileToString(new File("/etc/issue"));
+        return FileUtils.read(new File("/etc/issue"));
     }
 
     public static String getSystemVersion() {

HMCLAPI/src/main/java/org/jackhuang/hellominecraft/util/system/ZipEngine.java

@@ -25,6 +25,7 @@ import java.io.FileInputStream;
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
+import java.util.HashSet;
 import java.util.zip.ZipEntry;
 import java.util.zip.ZipOutputStream;
 import org.jackhuang.hellominecraft.util.func.BiFunction;
@@ -100,7 +101,7 @@ public class ZipEngine {
                     pathName = pathNameCallback.apply(pathName, true);
                 if (pathName == null)
                     continue;
-                zos.putNextEntry(new ZipEntry(pathName));
+                put(new ZipEntry(pathName));
                 putDirectoryImpl(file, basePath, pathNameCallback);
             } else {
                 if (".DS_Store".equals(file.getName())) // For Mac computers.
@@ -122,7 +123,7 @@ public class ZipEngine {
     public void putStream(InputStream is, String pathName) throws IOException {
         int length;
         try (BufferedInputStream bis = new BufferedInputStream(is)) {
-            zos.putNextEntry(new ZipEntry(pathName));
+            put(new ZipEntry(pathName));
             while ((length = bis.read(buf)) > 0)
                 zos.write(buf, 0, length);
         }
@@ -136,4 +137,11 @@ public class ZipEngine {
         putStream(new ByteArrayInputStream(text.getBytes(encoding)), pathName);
     }
 
+    protected HashSet<String> names = new HashSet<>();
+
+    public void put(ZipEntry entry) throws IOException {
+        if (names.add(entry.getName()))
+            zos.putNextEntry(entry);
+    }
+
 }

HMCSM/src/main/java/org/jackhuang/hellominecraft/svrmgr/server/BackupManager.java

@@ -20,12 +20,12 @@ package org.jackhuang.hellominecraft.svrmgr.server;
 import java.io.File;
 import java.io.IOException;
 import java.text.SimpleDateFormat;
-import java.util.ArrayList;
 import java.util.Date;
 import org.jackhuang.hellominecraft.util.logging.HMCLog;
 import org.jackhuang.hellominecraft.util.system.Compressor;
 import org.jackhuang.hellominecraft.svrmgr.setting.SettingsManager;
 import org.jackhuang.hellominecraft.svrmgr.util.Utilities;
+import org.jackhuang.hellominecraft.util.func.Consumer;
 import org.jackhuang.hellominecraft.util.system.FileUtils;
 import org.jackhuang.hellominecraft.util.system.IOUtils;
 
@@ -39,9 +39,8 @@ public class BackupManager {
         return Utilities.getGameDir() + "backups-HMCSM" + File.separator;
     }
 
-    public static ArrayList<String> getBackupList() {
-        String gameDir = backupDir();
-        return IOUtils.findAllFile(new File(gameDir));
+    public static void getBackupList(Consumer<String> c) {
+        IOUtils.findAllFile(new File(backupDir()), c);
     }
 
     public static void addWorldBackup(final String folder) {
@@ -61,17 +60,15 @@ public class BackupManager {
         t.start();
     }
 
-    public static ArrayList<String> findAllWorlds() {
+    public static void findAllWorlds(Consumer<String> callback) {
         String gameDir = Utilities.getGameDir();
-        ArrayList<String> folders = IOUtils.findAllDir(new File(gameDir));
-        ArrayList<String> result = new ArrayList<>();
-        for (String folder : folders) {
-            String worldPath = gameDir + folder + File.separator;
-            ArrayList<String> files = IOUtils.findAllFile(new File(worldPath));
-            if (files.contains("level.dat"))
-                result.add(folder);
-        }
-        return result;
+        IOUtils.findAllDir(new File(gameDir), folder -> {
+                           String worldPath = gameDir + folder + File.separator;
+                           IOUtils.findAllFile(new File(worldPath), f -> {
+                                               if ("level.dat".equals(f))
+                                                   callback.accept(folder);
+                                           });
+                       });
     }
 
     public static void restoreBackup(File backupFile) {
@@ -89,10 +86,10 @@ public class BackupManager {
     }
 
     public static void backupAllWorlds() {
-        ArrayList<String> al = findAllWorlds();
-        for (String world : al)
+        findAllWorlds(world -> {
             if (!SettingsManager.settings.inactiveWorlds.contains(world))
                 addWorldBackup(world);
+        });
     }
 
     public static void backupAllPlugins() {

HMCSM/src/main/java/org/jackhuang/hellominecraft/svrmgr/setting/PlayerList.java

@@ -90,7 +90,7 @@ public abstract class PlayerList<T extends BasePlayer> {
         op = null;
         if (txt.exists())
             try {
-                initByText(FileUtils.readFileToStringIgnoreFileNotFound(txt));
+                initByText(FileUtils.readIgnoreFileNotFound(txt));
                 if (op != null)
                     player.addAll(op);
             } catch (IOException e) {

HMCSM/src/main/java/org/jackhuang/hellominecraft/svrmgr/setting/SettingsManager.java

@@ -26,7 +26,6 @@ import java.io.File;
 import java.io.IOException;
 import org.jackhuang.hellominecraft.util.logging.HMCLog;
 import org.jackhuang.hellominecraft.util.system.FileUtils;
-import org.jackhuang.hellominecraft.util.system.IOUtils;
 
 /**
  *
@@ -37,13 +36,13 @@ public class SettingsManager {
     public static Settings settings;
     public static boolean isFirstLoad = false;
     static Gson gson;
+    private static final File file = new File("hmcsm.json");
 
     public static void load() {
         gson = new Gson();
-        File file = new File(IOUtils.currentDir(), "hmcsm.json");
         if (file.exists())
             try {
-                String str = FileUtils.readFileToString(file);
+                String str = FileUtils.read(file);
                 if (str == null || str.trim().equals(""))
                     init();
                 else
@@ -64,9 +63,8 @@ public class SettingsManager {
     }
 
     public static void save() {
-        File f = new File(IOUtils.currentDir(), "hmcsm.json");
         try {
-            FileUtils.write(f, gson.toJson(settings));
+            FileUtils.write(file, gson.toJson(settings));
         } catch (IOException ex) {
             HMCLog.err("Failed to save settings.", ex);
         }

HMCSM/src/main/java/org/jackhuang/hellominecraft/svrmgr/ui/MainWindow.java

@@ -2781,13 +2781,12 @@ public final class MainWindow extends javax.swing.JFrame
         String path = Utilities.getPath("mods");
         if (path == null)
             return;
-        ArrayList<String> sl = IOUtils.findAllFile(new File(path));
         DefaultTableModel model = (DefaultTableModel) lstExternalMods.getModel();
         while (model.getRowCount() > 0)
             model.removeRow(0);
-        for (String s : sl)
-            model.addRow(new Object[] { !SettingsManager.settings.inactiveExtMods.contains(s), s, ModType.getModTypeShowName(ModType.getModType(IOUtils.addSeparator(path) + s)) });
-
+        IOUtils.findAllFile(new File(path), s
+                            -> model.addRow(new Object[] { !SettingsManager.settings.inactiveExtMods.contains(s), s, ModType.getModTypeShowName(ModType.getModType(IOUtils.addSeparator(path) + s)) })
+        );
         lstExternalMods.updateUI();
     }
 
@@ -2795,19 +2794,18 @@ public final class MainWindow extends javax.swing.JFrame
         String path = Utilities.getPath("plugins");
         if (path == null)
             return;
-        ArrayList<String> sl = IOUtils.findAllFile(new File(path));
         DefaultTableModel model = (DefaultTableModel) lstPlugins.getModel();
         while (model.getRowCount() > 0)
             model.removeRow(0);
-        for (String s : sl) {
-            PluginInformation p = PluginManager.getPluginYML(new File(Utilities.getGameDir() + "plugins" + File.separator + s));
-            if (p == null)
-                model.addRow(new Object[] { !SettingsManager.settings.inactivePlugins.contains(s), s,
-                                            "", "", "", "" });
-            else
-                model.addRow(new Object[] { !SettingsManager.settings.inactivePlugins.contains(s), s,
-                                            p.name, p.version, p.author, p.description });
-        }
+        IOUtils.findAllFile(new File(path), s -> {
+                            PluginInformation p = PluginManager.getPluginYML(new File(Utilities.getGameDir() + "plugins" + File.separator + s));
+                            if (p == null)
+                                model.addRow(new Object[] { !SettingsManager.settings.inactivePlugins.contains(s), s,
+                                                            "", "", "", "" });
+                            else
+                                model.addRow(new Object[] { !SettingsManager.settings.inactivePlugins.contains(s), s,
+                                                            p.name, p.version, p.author, p.description });
+                        });
 
         lstPlugins.updateUI();
     }
@@ -2816,37 +2814,35 @@ public final class MainWindow extends javax.swing.JFrame
         String path = Utilities.getPath("coremods");
         if (path == null)
             return;
-        ArrayList<String> sl = IOUtils.findAllFile(new File(path));
         DefaultTableModel model = (DefaultTableModel) lstCoreMods.getModel();
         while (model.getRowCount() > 0)
             model.removeRow(0);
-        for (String s : sl)
-            model.addRow(new Object[] { !SettingsManager.settings.inactiveCoreMods.contains(s), s, ModType.getModTypeShowName(ModType.getModType(IOUtils.addSeparator(path) + s)) });
+        IOUtils.findAllFile(new File(path), s
+                            -> model.addRow(new Object[] { !SettingsManager.settings.inactiveCoreMods.contains(s), s, ModType.getModTypeShowName(ModType.getModType(IOUtils.addSeparator(path) + s)) }));
 
         lstCoreMods.updateUI();
     }
 
     void loadWorlds() {
-        ArrayList<String> s = BackupManager.findAllWorlds();
         DefaultTableModel model = (DefaultTableModel) lstWorlds.getModel();
         if (SettingsManager.settings.inactiveWorlds == null)
             SettingsManager.settings.inactiveWorlds = new ArrayList<>();
-        for (String world : s)
+        BackupManager.findAllWorlds(world -> {
             model.addRow(new Object[] {
                 world, Utilities.getGameDir() + world, !SettingsManager.settings.inactiveWorlds.contains(world)
             });
+        });
         lstWorlds.updateUI();
     }
 
     void loadBackups() {
-        ArrayList<String> al = BackupManager.getBackupList();
         DefaultTableModel model = (DefaultTableModel) lstBackups.getModel();
-        for (String backup : al) {
+        BackupManager.getBackupList(backup -> {
             String[] names = FileUtils.getExtension(backup).split("\\+");
             model.addRow(new Object[] {
                 names[0], names[1], names[2]
             });
-        }
+        });
         lstBackups.updateUI();
     }
 
@@ -3007,17 +3003,16 @@ public final class MainWindow extends javax.swing.JFrame
     }
 
     void refreshInfos() {
-        ArrayList<String> al = IOUtils.findAllFile(new File(Utilities.getGameDir() + "infos-HMCSM"));
         DefaultTableModel model = (DefaultTableModel) lstInfos.getModel();
-        for (String s : al)
-            model.addRow(new Object[] { s, FileUtils.getExtension(s) });
+        while (model.getRowCount() > 0)
+            model.removeRow(0);
+        IOUtils.findAllFile(new File(Utilities.getGameDir() + "infos-HMCSM"), s -> model.addRow(new Object[] { s, FileUtils.getExtension(s) }));
         lstInfos.updateUI();
     }
 
     void refreshReports() {
-        ArrayList<String> al = IOUtils.findAllFile(new File(Utilities.getGameDir() + "crash-reports"));
-        for (String s : al)
-            lstCrashReportsModel.addElement(s);
+        lstCrashReportsModel.clear();
+        IOUtils.findAllFile(new File(Utilities.getGameDir() + "crash-reports"), s -> lstCrashReportsModel.addElement(s));
         lstReports.setModel(lstCrashReportsModel);
     }
 
@@ -3721,7 +3716,7 @@ public final class MainWindow extends javax.swing.JFrame
         String id = (String) lstDownloads.getModel().getValueAt(lstDownloads.getSelectedRow(), 0);
         final String MC_DOWNLOAD_URL = "https://s3.amazonaws.com/Minecraft.Download/versions/";
         String url = MC_DOWNLOAD_URL + id + "/";
-        File serverjar = new File(IOUtils.currentDir(), "minecraft_server." + id + ".jar");
+        File serverjar = new File("minecraft_server." + id + ".jar");
         serverjar.delete();
 
         String downloadURL = url + "minecraft_server." + id + ".jar";
@@ -3739,7 +3734,7 @@ public final class MainWindow extends javax.swing.JFrame
             if (index == -1)
                 return;
             String path = Utilities.getGameDir() + "infos-HMCSM" + File.separator + model.getValueAt(index, 0);
-            String content = FileUtils.readFileToString(new File(path));
+            String content = FileUtils.read(new File(path));
             txtInfo.setText(content);
         } catch (IOException ex) {
             HMCLog.warn("Failed to read info.", ex);
@@ -3747,14 +3742,14 @@ public final class MainWindow extends javax.swing.JFrame
     }//GEN-LAST:event_btnShowInfoActionPerformed
 
     private void btnAutoSearchActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_btnAutoSearchActionPerformed
-        ArrayList<String> al = IOUtils.findAllFile(IOUtils.currentDir());
-        for (String s : al)
-            if (ServerChecker.isServerJar(new File(s))) {
-                String path = IOUtils.tryGetCanonicalFilePath(new File(IOUtils.currentDir(), s));
-                txtMainJar.setText(path);
-                SettingsManager.settings.mainjar = path;
-                SettingsManager.save();
-            }
+        IOUtils.findAllFile(new File("."), s -> {
+                            if (ServerChecker.isServerJar(new File(s))) {
+                                String path = IOUtils.tryGetCanonicalFilePath(new File(s));
+                                txtMainJar.setText(path);
+                                SettingsManager.settings.mainjar = path;
+                                SettingsManager.save();
+                            }
+                        });
     }//GEN-LAST:event_btnAutoSearchActionPerformed
 
     private void cboCategoryItemStateChanged(java.awt.event.ItemEvent evt) {//GEN-FIRST:event_cboCategoryItemStateChanged
@@ -3784,7 +3779,7 @@ public final class MainWindow extends javax.swing.JFrame
             if (index == -1)
                 return;
             String path = Utilities.getGameDir() + "crash-reports" + File.separator + lstCrashReportsModel.get(index);
-            String content = FileUtils.readFileToString(new File(path));
+            String content = FileUtils.read(new File(path));
             txtCrashReport.setText(content);
         } catch (IOException ex) {
             HMCLog.warn("Failed to get crash-report.", ex);
@@ -3858,7 +3853,7 @@ public final class MainWindow extends javax.swing.JFrame
             return;
         }
         BukkitVersion v = cb.get(idx);
-        File file = new File(IOUtils.currentDir(), "craftbukkit-" + ext + "-" + v.version + ".jar");
+        File file = new File("craftbukkit-" + ext + "-" + v.version + ".jar");
         TaskWindow.factory().append(new FileDownloadTask(v.downloadLink, IOUtils.tryGetCanonicalFile(file)).setTag("bukkit-" + ext + "-" + v.version))
             .create();
     }//GEN-LAST:event_btnDownloadCraftbukkitActionPerformed
@@ -3869,7 +3864,7 @@ public final class MainWindow extends javax.swing.JFrame
             return;
         ForgeVersion v = mcpcPackages.get(cboCauldronMinecraft.getSelectedItem().toString()).get(idx);
         String url;
-        File filepath = new File(IOUtils.currentDir(), "forge-installer.jar");
+        File filepath = new File("forge-installer.jar");
         url = v.installer[1];
         if (!TaskWindow.factory().append(new FileDownloadTask(url, filepath).setTag("cauldron-" + v.ver)).create())
             MessageBox.Show(C.i18n("install.failed_download_forge"));
@@ -3879,7 +3874,7 @@ public final class MainWindow extends javax.swing.JFrame
 
     private void installMCPC(final File filepath) {
         try {
-            ForgeInstaller installer = new ForgeInstaller(IOUtils.currentDir(), filepath);
+            ForgeInstaller installer = new ForgeInstaller(new File("."), filepath);
             installer.install();
             MessageBox.Show(C.i18n("install.success"));
         } catch (Exception e) {
@@ -3910,7 +3905,7 @@ public final class MainWindow extends javax.swing.JFrame
     }//GEN-LAST:event_cboCauldronMinecraftItemStateChanged
 
     private void btnInstallMCPCActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_btnInstallMCPCActionPerformed
-        File filepath = new File(IOUtils.currentDir(), "forge-installer.jar");
+        File filepath = new File("forge-installer.jar");
         if (!filepath.exists()) {
             MessageBox.Show("您还未下载Cauldron！请点击下载按钮下载并自动安装！");
             return;