Set up Jni and JniGen and did a successfully test

lib/aniyomi_bridge.dart

@@ -0,0 +1,102 @@
+import 'dart:io';
+
+import 'package:flutter/services.dart' show rootBundle;
+import 'package:jni/jni.dart';
+import 'package:k3vinb5_aniyomi_bridge/jmodels/janiyomibridge.dart';
+import 'package:k3vinb5_aniyomi_bridge/jmodels/jsanime.dart';
+import 'package:path/path.dart' as path;
+import 'package:path_provider/path_provider.dart';
+import 'package:archive/archive.dart';
+
+class AniyomiBridge {
+  
+  static final _aniyomiBridgeDir = "aniyomibridge";
+  static final _packageAssetsDir = "packages/k3vinb5_aniyomi_bridge/assets";
+
+  Future<void> initJvm() async{
+    Directory supportDirectory = await getApplicationSupportDirectory();
+    _loadJreIfNeeded(supportDirectory);
+    _loadJarIfNeeded(supportDirectory);
+    Jni.spawn(
+      dylibDir: _getDylibDir(supportDirectory),
+      classPath: _getClassPath(supportDirectory)
+    );
+    JAniyomiBridge.init();
+    JAniyomiBridge jAniyomiBridge = JAniyomiBridge();
+    jAniyomiBridge.loadExtension(JString.fromString("https://gitea.k3vinb5.dev/Backups/kohi-den-extensions/raw/branch/main/apk/aniyomi-en.allanime-v14.37.apk"));
+    JList<JObject?>? searchResults = jAniyomiBridge.getSearchResults(JString.fromString("Naruto"), 1, JString.fromString("allanime"));
+    print("Search results size: ${searchResults?.length}");
+      if (searchResults != null) {
+        for (JObject obj in searchResults.cast()) {
+          print(obj.toString());
+          JSAnime jsAnime = obj.as<JSAnime>(JSAnime.type);
+          print(jsAnime.getTitle().toDartString());
+          print(jsAnime.getUrl().toDartString());
+        }
+    }
+  }
+
+  String _getDylibDir(Directory supportDirectory) {
+    String basePath = path.join(supportDirectory.absolute.path, _aniyomiBridgeDir);
+    if (Platform.isLinux) {
+      return path.join(basePath, "jre", "linux", "customjre", "lib", "server");
+    } else if (Platform.isMacOS) {
+      return path.join(basePath, "jre", "macos", "customjre", "lib", "server");
+    } else if (Platform.isWindows) {
+      return path.join(basePath, "jre", "windows", "customjre", "lib", "server");
+    } else {
+      throw UnsupportedError("Unsupported platform");
+    }
+  }
+  
+  List<String> _getClassPath(Directory supportDirectory) {
+    return [path.join(supportDirectory.absolute.path, _aniyomiBridgeDir, "aniyomibridge-core.jar")];
+  }
+
+  Future<void> _loadJarIfNeeded(Directory supportDirectory) async {
+    String aniyomiBridgeCorePath = path.join(supportDirectory.path, _aniyomiBridgeDir, "aniyomibridge-core.jar");
+    File aniyomiBridgeCore = File(aniyomiBridgeCorePath);
+    if (!(await aniyomiBridgeCore.exists())) {
+      copyAssetToFile("$_packageAssetsDir/aniyomibridge-core.jar", aniyomiBridgeCorePath);
+    }
+  }
+
+  Future<void> _loadJreIfNeeded(Directory supportDirectory) async {
+    String zippedJrePath = path.join(supportDirectory.path, _aniyomiBridgeDir, "jre.zip");
+    File zippedJre = File(zippedJrePath);
+    if (!(await zippedJre.exists())) {
+      await copyAssetToFile("$_packageAssetsDir/jre.zip", zippedJrePath);
+    }
+    Directory jreDir = Directory(path.join(supportDirectory.path, _aniyomiBridgeDir, "jre"));
+    if (!(await jreDir.exists())) {
+       final bytes = await zippedJre.readAsBytes();
+       final jreArchive = ZipDecoder().decodeBytes(bytes);
+       await _unzipFileToDir(jreArchive, "jre", jreDir.path);
+       zippedJre.deleteSync(recursive: false);
+    }
+  }
+
+  Future<void> _unzipFileToDir(Archive archive, String archiveName, String outDirPath) async{
+    outDirPath = outDirPath.replaceAll("/$archiveName", "");
+    for (final file in archive) {
+         final filename = file.name;
+         if (file.isFile) {
+           final data = file.content as List<int>;
+           final outFile = File(path.join(outDirPath, filename));
+           await outFile.parent.create(recursive: true);
+           await outFile.writeAsBytes(data);
+         } else {
+           await Directory(path.join(outDirPath, filename)).create(recursive: true);
+         }
+       }
+  }
+
+  Future<File> copyAssetToFile(String assetPath, String outPath) async {
+    final byteData = await rootBundle.load(assetPath);
+    final buffer = byteData.buffer.asUint8List();
+    final file = File(outPath);
+    await file.parent.create(recursive: true);
+    await file.writeAsBytes(buffer, flush: true);
+    return file;
+  }
+}

lib/jmodels/janiyomibridge.dart

@@ -0,0 +1,434 @@
+// AUTO GENERATED BY JNIGEN 0.14.2. DO NOT EDIT!
+
+// ignore_for_file: annotate_overrides
+// ignore_for_file: argument_type_not_assignable
+// ignore_for_file: camel_case_extensions
+// ignore_for_file: camel_case_types
+// ignore_for_file: constant_identifier_names
+// ignore_for_file: comment_references
+// ignore_for_file: doc_directive_unknown
+// ignore_for_file: file_names
+// ignore_for_file: inference_failure_on_untyped_parameter
+// ignore_for_file: invalid_internal_annotation
+// ignore_for_file: invalid_use_of_internal_member
+// ignore_for_file: library_prefixes
+// ignore_for_file: lines_longer_than_80_chars
+// ignore_for_file: no_leading_underscores_for_library_prefixes
+// ignore_for_file: no_leading_underscores_for_local_identifiers
+// ignore_for_file: non_constant_identifier_names
+// ignore_for_file: only_throw_errors
+// ignore_for_file: overridden_fields
+// ignore_for_file: prefer_double_quotes
+// ignore_for_file: unintended_html_in_doc_comment
+// ignore_for_file: unnecessary_cast
+// ignore_for_file: unnecessary_non_null_assertion
+// ignore_for_file: unnecessary_parenthesis
+// ignore_for_file: unused_element
+// ignore_for_file: unused_field
+// ignore_for_file: unused_import
+// ignore_for_file: unused_local_variable
+// ignore_for_file: unused_shown_name
+// ignore_for_file: use_super_parameters
+
+import 'dart:core' show Object, String, bool, double, int;
+import 'dart:core' as core$_;
+
+import 'package:jni/_internal.dart' as jni$_;
+import 'package:jni/jni.dart' as jni$_;
+
+/// from: `dev.k3vinb5.aniyomibridge.AniyomiBridge`
+class JAniyomiBridge extends jni$_.JObject {
+  @jni$_.internal
+  @core$_.override
+  final jni$_.JObjType<JAniyomiBridge> $type;
+
+  @jni$_.internal
+  JAniyomiBridge.fromReference(jni$_.JReference reference)
+    : $type = type,
+      super.fromReference(reference);
+
+  static final _class = jni$_.JClass.forName(
+    r'dev/k3vinb5/aniyomibridge/AniyomiBridge',
+  );
+
+  /// The type which includes information such as the signature of this class.
+  static const nullableType = $AniyomiBridge$NullableType();
+  static const type = $AniyomiBridge$Type();
+  static final _id_COROUTINE_UTILS = _class.staticFieldId(
+    r'COROUTINE_UTILS',
+    r'Ldev/k3vinb5/aniyomibridge/utils/CoroutineUtils;',
+  );
+
+  /// from: `static public final dev.k3vinb5.aniyomibridge.utils.CoroutineUtils COROUTINE_UTILS`
+  /// The returned object must be released after use, by calling the [release] method.
+  static jni$_.JObject? get COROUTINE_UTILS =>
+      _id_COROUTINE_UTILS.get(_class, const jni$_.JObjectNullableType());
+
+  static final _id_new$ = _class.constructorId(r'()V');
+
+  static final _new$ =
+      jni$_.ProtectedJniExtensions.lookup<
+            jni$_.NativeFunction<
+              jni$_.JniResult Function(
+                jni$_.Pointer<jni$_.Void>,
+                jni$_.JMethodIDPtr,
+              )
+            >
+          >('globalEnv_NewObject')
+          .asFunction<
+            jni$_.JniResult Function(
+              jni$_.Pointer<jni$_.Void>,
+              jni$_.JMethodIDPtr,
+            )
+          >();
+
+  /// from: `public void <init>()`
+  /// The returned object must be released after use, by calling the [release] method.
+  factory JAniyomiBridge() {
+    return JAniyomiBridge.fromReference(
+      _new$(_class.reference.pointer, _id_new$ as jni$_.JMethodIDPtr).reference,
+    );
+  }
+
+  static final _id_init = _class.staticMethodId(r'init', r'()V');
+
+  static final _init =
+      jni$_.ProtectedJniExtensions.lookup<
+            jni$_.NativeFunction<
+              jni$_.JThrowablePtr Function(
+                jni$_.Pointer<jni$_.Void>,
+                jni$_.JMethodIDPtr,
+              )
+            >
+          >('globalEnv_CallStaticVoidMethod')
+          .asFunction<
+            jni$_.JThrowablePtr Function(
+              jni$_.Pointer<jni$_.Void>,
+              jni$_.JMethodIDPtr,
+            )
+          >();
+
+  /// from: `static public void init()`
+  static void init() {
+    _init(_class.reference.pointer, _id_init as jni$_.JMethodIDPtr).check();
+  }
+
+  static final _id_loadExtension = _class.instanceMethodId(
+    r'loadExtension',
+    r'(Ljava/lang/String;)V',
+  );
+
+  static final _loadExtension =
+      jni$_.ProtectedJniExtensions.lookup<
+            jni$_.NativeFunction<
+              jni$_.JThrowablePtr Function(
+                jni$_.Pointer<jni$_.Void>,
+                jni$_.JMethodIDPtr,
+                jni$_.VarArgs<(jni$_.Pointer<jni$_.Void>,)>,
+              )
+            >
+          >('globalEnv_CallVoidMethod')
+          .asFunction<
+            jni$_.JThrowablePtr Function(
+              jni$_.Pointer<jni$_.Void>,
+              jni$_.JMethodIDPtr,
+              jni$_.Pointer<jni$_.Void>,
+            )
+          >();
+
+  /// from: `public void loadExtension(java.lang.String string)`
+  void loadExtension(jni$_.JString? string) {
+    final _$string = string?.reference ?? jni$_.jNullReference;
+    _loadExtension(
+      reference.pointer,
+      _id_loadExtension as jni$_.JMethodIDPtr,
+      _$string.pointer,
+    ).check();
+  }
+
+  static final _id_loadExtensionFile = _class.instanceMethodId(
+    r'loadExtensionFile',
+    r'(Ljava/lang/String;Ljava/lang/String;)V',
+  );
+
+  static final _loadExtensionFile =
+      jni$_.ProtectedJniExtensions.lookup<
+            jni$_.NativeFunction<
+              jni$_.JThrowablePtr Function(
+                jni$_.Pointer<jni$_.Void>,
+                jni$_.JMethodIDPtr,
+                jni$_.VarArgs<
+                  (jni$_.Pointer<jni$_.Void>, jni$_.Pointer<jni$_.Void>)
+                >,
+              )
+            >
+          >('globalEnv_CallVoidMethod')
+          .asFunction<
+            jni$_.JThrowablePtr Function(
+              jni$_.Pointer<jni$_.Void>,
+              jni$_.JMethodIDPtr,
+              jni$_.Pointer<jni$_.Void>,
+              jni$_.Pointer<jni$_.Void>,
+            )
+          >();
+
+  /// from: `public void loadExtensionFile(java.lang.String string, java.lang.String string1)`
+  void loadExtensionFile(jni$_.JString? string, jni$_.JString? string1) {
+    final _$string = string?.reference ?? jni$_.jNullReference;
+    final _$string1 = string1?.reference ?? jni$_.jNullReference;
+    _loadExtensionFile(
+      reference.pointer,
+      _id_loadExtensionFile as jni$_.JMethodIDPtr,
+      _$string.pointer,
+      _$string1.pointer,
+    ).check();
+  }
+
+  static final _id_getLoadedExtensions = _class.instanceMethodId(
+    r'getLoadedExtensions',
+    r'()Ljava/util/List;',
+  );
+
+  static final _getLoadedExtensions =
+      jni$_.ProtectedJniExtensions.lookup<
+            jni$_.NativeFunction<
+              jni$_.JniResult Function(
+                jni$_.Pointer<jni$_.Void>,
+                jni$_.JMethodIDPtr,
+              )
+            >
+          >('globalEnv_CallObjectMethod')
+          .asFunction<
+            jni$_.JniResult Function(
+              jni$_.Pointer<jni$_.Void>,
+              jni$_.JMethodIDPtr,
+            )
+          >();
+
+  /// from: `public java.util.List<java.lang.String> getLoadedExtensions()`
+  /// The returned object must be released after use, by calling the [release] method.
+  jni$_.JList<jni$_.JString?>? getLoadedExtensions() {
+    return _getLoadedExtensions(
+      reference.pointer,
+      _id_getLoadedExtensions as jni$_.JMethodIDPtr,
+    ).object<jni$_.JList<jni$_.JString?>?>(
+      const jni$_.JListNullableType<jni$_.JString?>(
+        jni$_.JStringNullableType(),
+      ),
+    );
+  }
+
+  static final _id_getSearchResults = _class.instanceMethodId(
+    r'getSearchResults',
+    r'(Ljava/lang/String;ILjava/lang/String;)Ljava/util/List;',
+  );
+
+  static final _getSearchResults =
+      jni$_.ProtectedJniExtensions.lookup<
+            jni$_.NativeFunction<
+              jni$_.JniResult Function(
+                jni$_.Pointer<jni$_.Void>,
+                jni$_.JMethodIDPtr,
+                jni$_.VarArgs<
+                  (
+                    jni$_.Pointer<jni$_.Void>,
+                    jni$_.Int32,
+                    jni$_.Pointer<jni$_.Void>,
+                  )
+                >,
+              )
+            >
+          >('globalEnv_CallObjectMethod')
+          .asFunction<
+            jni$_.JniResult Function(
+              jni$_.Pointer<jni$_.Void>,
+              jni$_.JMethodIDPtr,
+              jni$_.Pointer<jni$_.Void>,
+              int,
+              jni$_.Pointer<jni$_.Void>,
+            )
+          >();
+
+  /// from: `public java.util.List<eu.kanade.tachiyomi.animesource.model.SAnime> getSearchResults(java.lang.String string, int i, java.lang.String string1)`
+  /// The returned object must be released after use, by calling the [release] method.
+  jni$_.JList<jni$_.JObject?>? getSearchResults(
+    jni$_.JString? string,
+    int i,
+    jni$_.JString? string1,
+  ) {
+    final _$string = string?.reference ?? jni$_.jNullReference;
+    final _$string1 = string1?.reference ?? jni$_.jNullReference;
+    return _getSearchResults(
+      reference.pointer,
+      _id_getSearchResults as jni$_.JMethodIDPtr,
+      _$string.pointer,
+      i,
+      _$string1.pointer,
+    ).object<jni$_.JList<jni$_.JObject?>?>(
+      const jni$_.JListNullableType<jni$_.JObject?>(
+        jni$_.JObjectNullableType(),
+      ),
+    );
+  }
+
+  static final _id_getEpisodeList = _class.instanceMethodId(
+    r'getEpisodeList',
+    r'(Leu/kanade/tachiyomi/animesource/model/SAnime;Ljava/lang/String;)Ljava/util/List;',
+  );
+
+  static final _getEpisodeList =
+      jni$_.ProtectedJniExtensions.lookup<
+            jni$_.NativeFunction<
+              jni$_.JniResult Function(
+                jni$_.Pointer<jni$_.Void>,
+                jni$_.JMethodIDPtr,
+                jni$_.VarArgs<
+                  (jni$_.Pointer<jni$_.Void>, jni$_.Pointer<jni$_.Void>)
+                >,
+              )
+            >
+          >('globalEnv_CallObjectMethod')
+          .asFunction<
+            jni$_.JniResult Function(
+              jni$_.Pointer<jni$_.Void>,
+              jni$_.JMethodIDPtr,
+              jni$_.Pointer<jni$_.Void>,
+              jni$_.Pointer<jni$_.Void>,
+            )
+          >();
+
+  /// from: `public java.util.List<eu.kanade.tachiyomi.animesource.model.SEpisode> getEpisodeList(eu.kanade.tachiyomi.animesource.model.SAnime sAnime, java.lang.String string)`
+  /// The returned object must be released after use, by calling the [release] method.
+  jni$_.JList<jni$_.JObject?>? getEpisodeList(
+    jni$_.JObject? sAnime,
+    jni$_.JString? string,
+  ) {
+    final _$sAnime = sAnime?.reference ?? jni$_.jNullReference;
+    final _$string = string?.reference ?? jni$_.jNullReference;
+    return _getEpisodeList(
+      reference.pointer,
+      _id_getEpisodeList as jni$_.JMethodIDPtr,
+      _$sAnime.pointer,
+      _$string.pointer,
+    ).object<jni$_.JList<jni$_.JObject?>?>(
+      const jni$_.JListNullableType<jni$_.JObject?>(
+        jni$_.JObjectNullableType(),
+      ),
+    );
+  }
+
+  static final _id_getVideoList = _class.instanceMethodId(
+    r'getVideoList',
+    r'(Leu/kanade/tachiyomi/animesource/model/SEpisode;Ljava/lang/String;)Ljava/util/List;',
+  );
+
+  static final _getVideoList =
+      jni$_.ProtectedJniExtensions.lookup<
+            jni$_.NativeFunction<
+              jni$_.JniResult Function(
+                jni$_.Pointer<jni$_.Void>,
+                jni$_.JMethodIDPtr,
+                jni$_.VarArgs<
+                  (jni$_.Pointer<jni$_.Void>, jni$_.Pointer<jni$_.Void>)
+                >,
+              )
+            >
+          >('globalEnv_CallObjectMethod')
+          .asFunction<
+            jni$_.JniResult Function(
+              jni$_.Pointer<jni$_.Void>,
+              jni$_.JMethodIDPtr,
+              jni$_.Pointer<jni$_.Void>,
+              jni$_.Pointer<jni$_.Void>,
+            )
+          >();
+
+  /// from: `public java.util.List<eu.kanade.tachiyomi.animesource.model.Video> getVideoList(eu.kanade.tachiyomi.animesource.model.SEpisode sEpisode, java.lang.String string)`
+  /// The returned object must be released after use, by calling the [release] method.
+  jni$_.JList<jni$_.JObject?>? getVideoList(
+    jni$_.JObject? sEpisode,
+    jni$_.JString? string,
+  ) {
+    final _$sEpisode = sEpisode?.reference ?? jni$_.jNullReference;
+    final _$string = string?.reference ?? jni$_.jNullReference;
+    return _getVideoList(
+      reference.pointer,
+      _id_getVideoList as jni$_.JMethodIDPtr,
+      _$sEpisode.pointer,
+      _$string.pointer,
+    ).object<jni$_.JList<jni$_.JObject?>?>(
+      const jni$_.JListNullableType<jni$_.JObject?>(
+        jni$_.JObjectNullableType(),
+      ),
+    );
+  }
+}
+
+final class $AniyomiBridge$NullableType extends jni$_.JObjType<JAniyomiBridge?> {
+  @jni$_.internal
+  const $AniyomiBridge$NullableType();
+
+  @jni$_.internal
+  @core$_.override
+  String get signature => r'Ldev/k3vinb5/aniyomibridge/AniyomiBridge;';
+
+  @jni$_.internal
+  @core$_.override
+  JAniyomiBridge? fromReference(jni$_.JReference reference) =>
+      reference.isNull ? null : JAniyomiBridge.fromReference(reference);
+  @jni$_.internal
+  @core$_.override
+  jni$_.JObjType get superType => const jni$_.JObjectNullableType();
+
+  @jni$_.internal
+  @core$_.override
+  jni$_.JObjType<JAniyomiBridge?> get nullableType => this;
+
+  @jni$_.internal
+  @core$_.override
+  final superCount = 1;
+
+  @core$_.override
+  int get hashCode => ($AniyomiBridge$NullableType).hashCode;
+
+  @core$_.override
+  bool operator ==(Object other) {
+    return other.runtimeType == ($AniyomiBridge$NullableType) &&
+        other is $AniyomiBridge$NullableType;
+  }
+}
+
+final class $AniyomiBridge$Type extends jni$_.JObjType<JAniyomiBridge> {
+  @jni$_.internal
+  const $AniyomiBridge$Type();
+
+  @jni$_.internal
+  @core$_.override
+  String get signature => r'Ldev/k3vinb5/aniyomibridge/AniyomiBridge;';
+
+  @jni$_.internal
+  @core$_.override
+  JAniyomiBridge fromReference(jni$_.JReference reference) =>
+      JAniyomiBridge.fromReference(reference);
+  @jni$_.internal
+  @core$_.override
+  jni$_.JObjType get superType => const jni$_.JObjectNullableType();
+
+  @jni$_.internal
+  @core$_.override
+  jni$_.JObjType<JAniyomiBridge?> get nullableType =>
+      const $AniyomiBridge$NullableType();
+
+  @jni$_.internal
+  @core$_.override
+  final superCount = 1;
+
+  @core$_.override
+  int get hashCode => ($AniyomiBridge$Type).hashCode;
+
+  @core$_.override
+  bool operator ==(Object other) {
+    return other.runtimeType == ($AniyomiBridge$Type) &&
+        other is $AniyomiBridge$Type;
+  }
+}

lib/k3vinb5_aniyomi_bridge.dart

@@ -1,5 +0,0 @@
-/// A Calculator.
-class Calculator {
-  /// Returns [value] plus 1.
-  int addOne(int value) => value + 1;
-}