将 org.jackhuang.hmcl.setting 从 java.io.File 迁移至 NIO (#4498)

HMCLCore/src/main/java/org/jackhuang/hmcl/util/gson/JsonUtils.java

@@ -151,6 +151,7 @@ public final class JsonUtils {
                 .registerTypeAdapter(Instant.class, InstantTypeAdapter.INSTANCE)
                 .registerTypeAdapter(UUID.class, UUIDTypeAdapter.INSTANCE)
                 .registerTypeAdapter(File.class, FileTypeAdapter.INSTANCE)
+                .registerTypeAdapter(Path.class, PathTypeAdapter.INSTANCE)
                 .registerTypeAdapterFactory(ValidationTypeAdapterFactory.INSTANCE)
                 .registerTypeAdapterFactory(LowerCaseEnumTypeAdapterFactory.INSTANCE)
                 .registerTypeAdapterFactory(JsonTypeAdapterFactory.INSTANCE);

HMCLCore/src/main/java/org/jackhuang/hmcl/util/gson/PathTypeAdapter.java

@@ -0,0 +1,62 @@
+/*
+ * Hello Minecraft! Launcher
+ * Copyright (C) 2025 huangyuhui <huanghongxun2008@126.com> and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+package org.jackhuang.hmcl.util.gson;
+
+import com.google.gson.TypeAdapter;
+import com.google.gson.stream.JsonReader;
+import com.google.gson.stream.JsonToken;
+import com.google.gson.stream.JsonWriter;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.FileSystems;
+import java.nio.file.Path;
+
+/// @author Glavo
+public final class PathTypeAdapter extends TypeAdapter<Path> {
+
+    public static final PathTypeAdapter INSTANCE = new PathTypeAdapter();
+
+    @Override
+    public Path read(JsonReader in) throws IOException {
+        if (in.peek() == JsonToken.NULL) {
+            in.nextNull();
+            return null;
+        }
+
+        String value = in.nextString();
+        if (File.separatorChar == '\\')
+            value = value.replace('/', '\\');
+        return Path.of(value);
+    }
+
+    @Override
+    public void write(JsonWriter out, Path path) throws IOException {
+        if (path != null) {
+            if (path.getFileSystem() != FileSystems.getDefault())
+                throw new IOException("Unsupported file system: " + path.getFileSystem());
+
+            String value = path.toString();
+            if (!path.isAbsolute() && File.separatorChar == '\\')
+                value = value.replace('\\', '/');
+            out.value(value);
+        } else {
+            out.nullValue();
+        }
+    }
+}