/**************************************************************************/ /* java_class_wrapper.cpp */ /**************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* https://godotengine.org */ /**************************************************************************/ /* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */ /* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */ /* */ /* Permission is hereby granted, free of charge, to any person obtaining */ /* a copy of this software and associated documentation files (the */ /* "Software"), to deal in the Software without restriction, including */ /* without limitation the rights to use, copy, modify, merge, publish, */ /* distribute, sublicense, and/or sell copies of the Software, and to */ /* permit persons to whom the Software is furnished to do so, subject to */ /* the following conditions: */ /* */ /* The above copyright notice and this permission notice shall be */ /* included in all copies or substantial portions of the Software. */ /* */ /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */ /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /**************************************************************************/ #include "api/java_class_wrapper.h" #include "string_android.h" #include "thread_jandroid.h" bool JavaClass::_call_method(JavaObject *p_instance, const StringName &p_method, const Variant **p_args, int p_argcount, Callable::CallError &r_error, Variant &ret) { HashMap<StringName, List<MethodInfo>>::Iterator M = methods.find(p_method); if (!M) { return false; } JNIEnv *env = get_jni_env(); ERR_FAIL_NULL_V(env, false); MethodInfo *method = nullptr; for (MethodInfo &E : M->value) { if (!p_instance && !E._static) { r_error.error = Callable::CallError::CALL_ERROR_INSTANCE_IS_NULL; continue; } int pc = E.param_types.size(); if (pc > p_argcount) { r_error.error = Callable::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS; r_error.argument = pc; continue; } if (pc < p_argcount) { r_error.error = Callable::CallError::CALL_ERROR_TOO_MANY_ARGUMENTS; r_error.argument = pc; continue; } uint32_t *ptypes = E.param_types.ptrw(); bool valid = true; for (int i = 0; i < pc; i++) { Variant::Type arg_expected = Variant::NIL; switch (ptypes[i]) { case ARG_TYPE_VOID: { //bug? } break; case ARG_TYPE_BOOLEAN: { if (p_args[i]->get_type() != Variant::BOOL) { arg_expected = Variant::BOOL; } } break; case ARG_NUMBER_CLASS_BIT | ARG_TYPE_BYTE: case ARG_NUMBER_CLASS_BIT | ARG_TYPE_CHAR: case ARG_NUMBER_CLASS_BIT | ARG_TYPE_SHORT: case ARG_NUMBER_CLASS_BIT | ARG_TYPE_INT: case ARG_NUMBER_CLASS_BIT | ARG_TYPE_LONG: case ARG_TYPE_BYTE: case ARG_TYPE_CHAR: case ARG_TYPE_SHORT: case ARG_TYPE_INT: case ARG_TYPE_LONG: { if (!p_args[i]->is_num()) { arg_expected = Variant::INT; } } break; case ARG_NUMBER_CLASS_BIT | ARG_TYPE_FLOAT: case ARG_NUMBER_CLASS_BIT | ARG_TYPE_DOUBLE: case ARG_TYPE_FLOAT: case ARG_TYPE_DOUBLE: { if (!p_args[i]->is_num()) { arg_expected = Variant::FLOAT; } } break; case ARG_TYPE_STRING: { if (p_args[i]->get_type() != Variant::STRING) { arg_expected = Variant::STRING; } } break; case ARG_TYPE_CLASS: { if (p_args[i]->get_type() != Variant::OBJECT) { arg_expected = Variant::OBJECT; } else { Ref<RefCounted> ref = *p_args[i]; if (!ref.is_null()) { if (Object::cast_to<JavaObject>(ref.ptr())) { Ref<JavaObject> jo = ref; //could be faster jclass c = env->FindClass(E.param_sigs[i].operator String().utf8().get_data()); if (!c || !env->IsInstanceOf(jo->instance, c)) { arg_expected = Variant::OBJECT; } else { //ok } } else { arg_expected = Variant::OBJECT; } } } } break; default: { if (p_args[i]->get_type() != Variant::ARRAY) { arg_expected = Variant::ARRAY; } } break; } if (arg_expected != Variant::NIL) { r_error.error = Callable::CallError::CALL_ERROR_INVALID_ARGUMENT; r_error.argument = i; r_error.expected = arg_expected; valid = false; break; } } if (!valid) { continue; } method = &E; break; } if (!method) { return true; //no version convinces } r_error.error = Callable::CallError::CALL_OK; jvalue *argv = nullptr; if (method->param_types.size()) { argv = (jvalue *)alloca(sizeof(jvalue) * method->param_types.size()); } List<jobject> to_free; for (int i = 0; i < method->param_types.size(); i++) { switch (method->param_types[i]) { case ARG_TYPE_VOID: { //can't happen argv[i].l = nullptr; //I hope this works } break; case ARG_TYPE_BOOLEAN: { argv[i].z = *p_args[i]; } break; case ARG_TYPE_BYTE: { argv[i].b = *p_args[i]; } break; case ARG_TYPE_CHAR: { argv[i].c = *p_args[i]; } break; case ARG_TYPE_SHORT: { argv[i].s = *p_args[i]; } break; case ARG_TYPE_INT: { argv[i].i = *p_args[i]; } break; case ARG_TYPE_LONG: { argv[i].j = (int64_t)*p_args[i]; } break; case ARG_TYPE_FLOAT: { argv[i].f = *p_args[i]; } break; case ARG_TYPE_DOUBLE: { argv[i].d = *p_args[i]; } break; case ARG_NUMBER_CLASS_BIT | ARG_TYPE_BOOLEAN: { jclass bclass = env->FindClass("java/lang/Boolean"); jmethodID ctor = env->GetMethodID(bclass, "<init>", "(Z)V"); jvalue val; val.z = (bool)(*p_args[i]); jobject obj = env->NewObjectA(bclass, ctor, &val); argv[i].l = obj; to_free.push_back(obj); } break; case ARG_NUMBER_CLASS_BIT | ARG_TYPE_BYTE: { jclass bclass = env->FindClass("java/lang/Byte"); jmethodID ctor = env->GetMethodID(bclass, "<init>", "(B)V"); jvalue val; val.b = (int)(*p_args[i]); jobject obj = env->NewObjectA(bclass, ctor, &val); argv[i].l = obj; to_free.push_back(obj); } break; case ARG_NUMBER_CLASS_BIT | ARG_TYPE_CHAR: { jclass bclass = env->FindClass("java/lang/Character"); jmethodID ctor = env->GetMethodID(bclass, "<init>", "(C)V"); jvalue val; val.c = (int)(*p_args[i]); jobject obj = env->NewObjectA(bclass, ctor, &val); argv[i].l = obj; to_free.push_back(obj); } break; case ARG_NUMBER_CLASS_BIT | ARG_TYPE_SHORT: { jclass bclass = env->FindClass("java/lang/Short"); jmethodID ctor = env->GetMethodID(bclass, "<init>", "(S)V"); jvalue val; val.s = (int)(*p_args[i]); jobject obj = env->NewObjectA(bclass, ctor, &val); argv[i].l = obj; to_free.push_back(obj); } break; case ARG_NUMBER_CLASS_BIT | ARG_TYPE_INT: { jclass bclass = env->FindClass("java/lang/Integer"); jmethodID ctor = env->GetMethodID(bclass, "<init>", "(I)V"); jvalue val; val.i = (int)(*p_args[i]); jobject obj = env->NewObjectA(bclass, ctor, &val); argv[i].l = obj; to_free.push_back(obj); } break; case ARG_NUMBER_CLASS_BIT | ARG_TYPE_LONG: { jclass bclass = env->FindClass("java/lang/Long"); jmethodID ctor = env->GetMethodID(bclass, "<init>", "(J)V"); jvalue val; val.j = (int64_t)(*p_args[i]); jobject obj = env->NewObjectA(bclass, ctor, &val); argv[i].l = obj; to_free.push_back(obj); } break; case ARG_NUMBER_CLASS_BIT | ARG_TYPE_FLOAT: { jclass bclass = env->FindClass("java/lang/Float"); jmethodID ctor = env->GetMethodID(bclass, "<init>", "(F)V"); jvalue val; val.f = (float)(*p_args[i]); jobject obj = env->NewObjectA(bclass, ctor, &val); argv[i].l = obj; to_free.push_back(obj); } break; case ARG_NUMBER_CLASS_BIT | ARG_TYPE_DOUBLE: { jclass bclass = env->FindClass("java/lang/Double"); jmethodID ctor = env->GetMethodID(bclass, "<init>", "(D)V"); jvalue val; val.d = (double)(*p_args[i]); jobject obj = env->NewObjectA(bclass, ctor, &val); argv[i].l = obj; to_free.push_back(obj); } break; case ARG_TYPE_STRING: { String s = *p_args[i]; jstring jStr = env->NewStringUTF(s.utf8().get_data()); argv[i].l = jStr; to_free.push_back(jStr); } break; case ARG_TYPE_CLASS: { Ref<JavaObject> jo = *p_args[i]; if (jo.is_valid()) { argv[i].l = jo->instance; } else { argv[i].l = nullptr; //I hope this works } } break; case ARG_ARRAY_BIT | ARG_TYPE_BOOLEAN: { Array arr = *p_args[i]; jbooleanArray a = env->NewBooleanArray(arr.size()); for (int j = 0; j < arr.size(); j++) { jboolean val = arr[j]; env->SetBooleanArrayRegion(a, j, 1, &val); } argv[i].l = a; to_free.push_back(a); } break; case ARG_ARRAY_BIT | ARG_TYPE_BYTE: { Array arr = *p_args[i]; jbyteArray a = env->NewByteArray(arr.size()); for (int j = 0; j < arr.size(); j++) { jbyte val = arr[j]; env->SetByteArrayRegion(a, j, 1, &val); } argv[i].l = a; to_free.push_back(a); } break; case ARG_ARRAY_BIT | ARG_TYPE_CHAR: { Array arr = *p_args[i]; jcharArray a = env->NewCharArray(arr.size()); for (int j = 0; j < arr.size(); j++) { jchar val = arr[j]; env->SetCharArrayRegion(a, j, 1, &val); } argv[i].l = a; to_free.push_back(a); } break; case ARG_ARRAY_BIT | ARG_TYPE_SHORT: { Array arr = *p_args[i]; jshortArray a = env->NewShortArray(arr.size()); for (int j = 0; j < arr.size(); j++) { jshort val = arr[j]; env->SetShortArrayRegion(a, j, 1, &val); } argv[i].l = a; to_free.push_back(a); } break; case ARG_ARRAY_BIT | ARG_TYPE_INT: { Array arr = *p_args[i]; jintArray a = env->NewIntArray(arr.size()); for (int j = 0; j < arr.size(); j++) { jint val = arr[j]; env->SetIntArrayRegion(a, j, 1, &val); } argv[i].l = a; to_free.push_back(a); } break; case ARG_ARRAY_BIT | ARG_TYPE_LONG: { Array arr = *p_args[i]; jlongArray a = env->NewLongArray(arr.size()); for (int j = 0; j < arr.size(); j++) { jlong val = (int64_t)arr[j]; env->SetLongArrayRegion(a, j, 1, &val); } argv[i].l = a; to_free.push_back(a); } break; case ARG_ARRAY_BIT | ARG_TYPE_FLOAT: { Array arr = *p_args[i]; jfloatArray a = env->NewFloatArray(arr.size()); for (int j = 0; j < arr.size(); j++) { jfloat val = arr[j]; env->SetFloatArrayRegion(a, j, 1, &val); } argv[i].l = a; to_free.push_back(a); } break; case ARG_ARRAY_BIT | ARG_TYPE_DOUBLE: { Array arr = *p_args[i]; jdoubleArray a = env->NewDoubleArray(arr.size()); for (int j = 0; j < arr.size(); j++) { jdouble val = arr[j]; env->SetDoubleArrayRegion(a, j, 1, &val); } argv[i].l = a; to_free.push_back(a); } break; case ARG_ARRAY_BIT | ARG_TYPE_STRING: { Array arr = *p_args[i]; jobjectArray a = env->NewObjectArray(arr.size(), env->FindClass("java/lang/String"), nullptr); for (int j = 0; j < arr.size(); j++) { String s = arr[j]; jstring jStr = env->NewStringUTF(s.utf8().get_data()); env->SetObjectArrayElement(a, j, jStr); to_free.push_back(jStr); } argv[i].l = a; to_free.push_back(a); } break; case ARG_ARRAY_BIT | ARG_TYPE_CLASS: { argv[i].l = nullptr; } break; } } r_error.error = Callable::CallError::CALL_OK; bool success = true; switch (method->return_type) { case ARG_TYPE_VOID: { if (method->_static) { env->CallStaticVoidMethodA(_class, method->method, argv); } else { env->CallVoidMethodA(p_instance->instance, method->method, argv); } ret = Variant(); } break; case ARG_TYPE_BOOLEAN: { if (method->_static) { ret = env->CallStaticBooleanMethodA(_class, method->method, argv); } else { ret = env->CallBooleanMethodA(p_instance->instance, method->method, argv); } } break; case ARG_TYPE_BYTE: { if (method->_static) { ret = env->CallStaticByteMethodA(_class, method->method, argv); } else { ret = env->CallByteMethodA(p_instance->instance, method->method, argv); } } break; case ARG_TYPE_CHAR: { if (method->_static) { ret = env->CallStaticCharMethodA(_class, method->method, argv); } else { ret = env->CallCharMethodA(p_instance->instance, method->method, argv); } } break; case ARG_TYPE_SHORT: { if (method->_static) { ret = env->CallStaticShortMethodA(_class, method->method, argv); } else { ret = env->CallShortMethodA(p_instance->instance, method->method, argv); } } break; case ARG_TYPE_INT: { if (method->_static) { ret = env->CallStaticIntMethodA(_class, method->method, argv); } else { ret = env->CallIntMethodA(p_instance->instance, method->method, argv); } } break; case ARG_TYPE_LONG: { if (method->_static) { ret = (int64_t)env->CallStaticLongMethodA(_class, method->method, argv); } else { ret = (int64_t)env->CallLongMethodA(p_instance->instance, method->method, argv); } } break; case ARG_TYPE_FLOAT: { if (method->_static) { ret = env->CallStaticFloatMethodA(_class, method->method, argv); } else { ret = env->CallFloatMethodA(p_instance->instance, method->method, argv); } } break; case ARG_TYPE_DOUBLE: { if (method->_static) { ret = env->CallStaticDoubleMethodA(_class, method->method, argv); } else { ret = env->CallDoubleMethodA(p_instance->instance, method->method, argv); } } break; default: { jobject obj; if (method->_static) { obj = env->CallStaticObjectMethodA(_class, method->method, argv); } else { obj = env->CallObjectMethodA(p_instance->instance, method->method, argv); } if (!obj) { ret = Variant(); } else { if (!_convert_object_to_variant(env, obj, ret, method->return_type)) { ret = Variant(); r_error.error = Callable::CallError::CALL_ERROR_INVALID_METHOD; success = false; } env->DeleteLocalRef(obj); } } break; } for (jobject &E : to_free) { env->DeleteLocalRef(E); } return success; } Variant JavaClass::callp(const StringName &p_method, const Variant **p_args, int p_argcount, Callable::CallError &r_error) { Variant ret; bool found = _call_method(nullptr, p_method, p_args, p_argcount, r_error, ret); if (found) { return ret; } return RefCounted::callp(p_method, p_args, p_argcount, r_error); } JavaClass::JavaClass() { } ///////////////////// Variant JavaObject::callp(const StringName &p_method, const Variant **p_args, int p_argcount, Callable::CallError &r_error) { return Variant(); } JavaObject::JavaObject(const Ref<JavaClass> &p_base, jobject *p_instance) { } JavaObject::~JavaObject() { } //////////////////// bool JavaClassWrapper::_get_type_sig(JNIEnv *env, jobject obj, uint32_t &sig, String &strsig) { jstring name2 = (jstring)env->CallObjectMethod(obj, Class_getName); String str_type = jstring_to_string(name2, env); env->DeleteLocalRef(name2); uint32_t t = 0; if (str_type.begins_with("[")) { t = JavaClass::ARG_ARRAY_BIT; strsig = "["; str_type = str_type.substr(1, str_type.length() - 1); if (str_type.begins_with("[")) { print_line("Nested arrays not supported for type: " + str_type); return false; } if (str_type.begins_with("L")) { str_type = str_type.substr(1, str_type.length() - 2); //ok it's a class } } if (str_type == "void" || str_type == "V") { t |= JavaClass::ARG_TYPE_VOID; strsig += "V"; } else if (str_type == "boolean" || str_type == "Z") { t |= JavaClass::ARG_TYPE_BOOLEAN; strsig += "Z"; } else if (str_type == "byte" || str_type == "B") { t |= JavaClass::ARG_TYPE_BYTE; strsig += "B"; } else if (str_type == "char" || str_type == "C") { t |= JavaClass::ARG_TYPE_CHAR; strsig += "C"; } else if (str_type == "short" || str_type == "S") { t |= JavaClass::ARG_TYPE_SHORT; strsig += "S"; } else if (str_type == "int" || str_type == "I") { t |= JavaClass::ARG_TYPE_INT; strsig += "I"; } else if (str_type == "long" || str_type == "J") { t |= JavaClass::ARG_TYPE_LONG; strsig += "J"; } else if (str_type == "float" || str_type == "F") { t |= JavaClass::ARG_TYPE_FLOAT; strsig += "F"; } else if (str_type == "double" || str_type == "D") { t |= JavaClass::ARG_TYPE_DOUBLE; strsig += "D"; } else if (str_type == "java.lang.String") { t |= JavaClass::ARG_TYPE_STRING; strsig += "Ljava/lang/String;"; } else if (str_type == "java.lang.Boolean") { t |= JavaClass::ARG_TYPE_BOOLEAN | JavaClass::ARG_NUMBER_CLASS_BIT; strsig += "Ljava/lang/Boolean;"; } else if (str_type == "java.lang.Byte") { t |= JavaClass::ARG_TYPE_BYTE | JavaClass::ARG_NUMBER_CLASS_BIT; strsig += "Ljava/lang/Byte;"; } else if (str_type == "java.lang.Character") { t |= JavaClass::ARG_TYPE_CHAR | JavaClass::ARG_NUMBER_CLASS_BIT; strsig += "Ljava/lang/Character;"; } else if (str_type == "java.lang.Short") { t |= JavaClass::ARG_TYPE_SHORT | JavaClass::ARG_NUMBER_CLASS_BIT; strsig += "Ljava/lang/Short;"; } else if (str_type == "java.lang.Integer") { t |= JavaClass::ARG_TYPE_INT | JavaClass::ARG_NUMBER_CLASS_BIT; strsig += "Ljava/lang/Integer;"; } else if (str_type == "java.lang.Long") { t |= JavaClass::ARG_TYPE_LONG | JavaClass::ARG_NUMBER_CLASS_BIT; strsig += "Ljava/lang/Long;"; } else if (str_type == "java.lang.Float") { t |= JavaClass::ARG_TYPE_FLOAT | JavaClass::ARG_NUMBER_CLASS_BIT; strsig += "Ljava/lang/Float;"; } else if (str_type == "java.lang.Double") { t |= JavaClass::ARG_TYPE_DOUBLE | JavaClass::ARG_NUMBER_CLASS_BIT; strsig += "Ljava/lang/Double;"; } else { //a class likely strsig += "L" + str_type.replace(".", "/") + ";"; t |= JavaClass::ARG_TYPE_CLASS; } sig = t; return true; } bool JavaClass::_convert_object_to_variant(JNIEnv *env, jobject obj, Variant &var, uint32_t p_sig) { if (!obj) { var = Variant(); //seems null is just null... return true; } switch (p_sig) { case ARG_TYPE_VOID: { return Variant(); } break; case ARG_TYPE_BOOLEAN | ARG_NUMBER_CLASS_BIT: { var = env->CallBooleanMethod(obj, JavaClassWrapper::singleton->Boolean_booleanValue); return true; } break; case ARG_TYPE_BYTE | ARG_NUMBER_CLASS_BIT: { var = env->CallByteMethod(obj, JavaClassWrapper::singleton->Byte_byteValue); return true; } break; case ARG_TYPE_CHAR | ARG_NUMBER_CLASS_BIT: { var = env->CallCharMethod(obj, JavaClassWrapper::singleton->Character_characterValue); return true; } break; case ARG_TYPE_SHORT | ARG_NUMBER_CLASS_BIT: { var = env->CallShortMethod(obj, JavaClassWrapper::singleton->Short_shortValue); return true; } break; case ARG_TYPE_INT | ARG_NUMBER_CLASS_BIT: { var = env->CallIntMethod(obj, JavaClassWrapper::singleton->Integer_integerValue); return true; } break; case ARG_TYPE_LONG | ARG_NUMBER_CLASS_BIT: { var = (int64_t)env->CallLongMethod(obj, JavaClassWrapper::singleton->Long_longValue); return true; } break; case ARG_TYPE_FLOAT | ARG_NUMBER_CLASS_BIT: { var = env->CallFloatMethod(obj, JavaClassWrapper::singleton->Float_floatValue); return true; } break; case ARG_TYPE_DOUBLE | ARG_NUMBER_CLASS_BIT: { var = env->CallDoubleMethod(obj, JavaClassWrapper::singleton->Double_doubleValue); return true; } break; case ARG_TYPE_STRING: { var = jstring_to_string((jstring)obj, env); return true; } break; case ARG_TYPE_CLASS: { return false; } break; case ARG_ARRAY_BIT | ARG_TYPE_VOID: { var = Array(); // ? return true; } break; case ARG_ARRAY_BIT | ARG_TYPE_BOOLEAN: { Array ret; jobjectArray arr = (jobjectArray)obj; int count = env->GetArrayLength(arr); for (int i = 0; i < count; i++) { jboolean val; env->GetBooleanArrayRegion((jbooleanArray)arr, 0, 1, &val); ret.push_back(val); } var = ret; return true; } break; case ARG_ARRAY_BIT | ARG_TYPE_BYTE: { Array ret; jobjectArray arr = (jobjectArray)obj; int count = env->GetArrayLength(arr); for (int i = 0; i < count; i++) { jbyte val; env->GetByteArrayRegion((jbyteArray)arr, 0, 1, &val); ret.push_back(val); } var = ret; return true; } break; case ARG_ARRAY_BIT | ARG_TYPE_CHAR: { Array ret; jobjectArray arr = (jobjectArray)obj; int count = env->GetArrayLength(arr); for (int i = 0; i < count; i++) { jchar val; env->GetCharArrayRegion((jcharArray)arr, 0, 1, &val); ret.push_back(val); } var = ret; return true; } break; case ARG_ARRAY_BIT | ARG_TYPE_SHORT: { Array ret; jobjectArray arr = (jobjectArray)obj; int count = env->GetArrayLength(arr); for (int i = 0; i < count; i++) { jshort val; env->GetShortArrayRegion((jshortArray)arr, 0, 1, &val); ret.push_back(val); } var = ret; return true; } break; case ARG_ARRAY_BIT | ARG_TYPE_INT: { Array ret; jobjectArray arr = (jobjectArray)obj; int count = env->GetArrayLength(arr); for (int i = 0; i < count; i++) { jint val; env->GetIntArrayRegion((jintArray)arr, 0, 1, &val); ret.push_back(val); } var = ret; return true; } break; case ARG_ARRAY_BIT | ARG_TYPE_LONG: { Array ret; jobjectArray arr = (jobjectArray)obj; int count = env->GetArrayLength(arr); for (int i = 0; i < count; i++) { jlong val; env->GetLongArrayRegion((jlongArray)arr, 0, 1, &val); ret.push_back((int64_t)val); } var = ret; return true; } break; case ARG_ARRAY_BIT | ARG_TYPE_FLOAT: { Array ret; jobjectArray arr = (jobjectArray)obj; int count = env->GetArrayLength(arr); for (int i = 0; i < count; i++) { jfloat val; env->GetFloatArrayRegion((jfloatArray)arr, 0, 1, &val); ret.push_back(val); } var = ret; return true; } break; case ARG_ARRAY_BIT | ARG_TYPE_DOUBLE: { Array ret; jobjectArray arr = (jobjectArray)obj; int count = env->GetArrayLength(arr); for (int i = 0; i < count; i++) { jdouble val; env->GetDoubleArrayRegion((jdoubleArray)arr, 0, 1, &val); ret.push_back(val); } var = ret; return true; } break; case ARG_NUMBER_CLASS_BIT | ARG_ARRAY_BIT | ARG_TYPE_BOOLEAN: { Array ret; jobjectArray arr = (jobjectArray)obj; int count = env->GetArrayLength(arr); for (int i = 0; i < count; i++) { jobject o = env->GetObjectArrayElement(arr, i); if (!o) { ret.push_back(Variant()); } else { bool val = env->CallBooleanMethod(o, JavaClassWrapper::singleton->Boolean_booleanValue); ret.push_back(val); } env->DeleteLocalRef(o); } var = ret; return true; } break; case ARG_NUMBER_CLASS_BIT | ARG_ARRAY_BIT | ARG_TYPE_BYTE: { Array ret; jobjectArray arr = (jobjectArray)obj; int count = env->GetArrayLength(arr); for (int i = 0; i < count; i++) { jobject o = env->GetObjectArrayElement(arr, i); if (!o) { ret.push_back(Variant()); } else { int val = env->CallByteMethod(o, JavaClassWrapper::singleton->Byte_byteValue); ret.push_back(val); } env->DeleteLocalRef(o); } var = ret; return true; } break; case ARG_NUMBER_CLASS_BIT | ARG_ARRAY_BIT | ARG_TYPE_CHAR: { Array ret; jobjectArray arr = (jobjectArray)obj; int count = env->GetArrayLength(arr); for (int i = 0; i < count; i++) { jobject o = env->GetObjectArrayElement(arr, i); if (!o) { ret.push_back(Variant()); } else { int val = env->CallCharMethod(o, JavaClassWrapper::singleton->Character_characterValue); ret.push_back(val); } env->DeleteLocalRef(o); } var = ret; return true; } break; case ARG_NUMBER_CLASS_BIT | ARG_ARRAY_BIT | ARG_TYPE_SHORT: { Array ret; jobjectArray arr = (jobjectArray)obj; int count = env->GetArrayLength(arr); for (int i = 0; i < count; i++) { jobject o = env->GetObjectArrayElement(arr, i); if (!o) { ret.push_back(Variant()); } else { int val = env->CallShortMethod(o, JavaClassWrapper::singleton->Short_shortValue); ret.push_back(val); } env->DeleteLocalRef(o); } var = ret; return true; } break; case ARG_NUMBER_CLASS_BIT | ARG_ARRAY_BIT | ARG_TYPE_INT: { Array ret; jobjectArray arr = (jobjectArray)obj; int count = env->GetArrayLength(arr); for (int i = 0; i < count; i++) { jobject o = env->GetObjectArrayElement(arr, i); if (!o) { ret.push_back(Variant()); } else { int val = env->CallIntMethod(o, JavaClassWrapper::singleton->Integer_integerValue); ret.push_back(val); } env->DeleteLocalRef(o); } var = ret; return true; } break; case ARG_NUMBER_CLASS_BIT | ARG_ARRAY_BIT | ARG_TYPE_LONG: { Array ret; jobjectArray arr = (jobjectArray)obj; int count = env->GetArrayLength(arr); for (int i = 0; i < count; i++) { jobject o = env->GetObjectArrayElement(arr, i); if (!o) { ret.push_back(Variant()); } else { int64_t val = env->CallLongMethod(o, JavaClassWrapper::singleton->Long_longValue); ret.push_back(val); } env->DeleteLocalRef(o); } var = ret; return true; } break; case ARG_NUMBER_CLASS_BIT | ARG_ARRAY_BIT | ARG_TYPE_FLOAT: { Array ret; jobjectArray arr = (jobjectArray)obj; int count = env->GetArrayLength(arr); for (int i = 0; i < count; i++) { jobject o = env->GetObjectArrayElement(arr, i); if (!o) { ret.push_back(Variant()); } else { float val = env->CallFloatMethod(o, JavaClassWrapper::singleton->Float_floatValue); ret.push_back(val); } env->DeleteLocalRef(o); } var = ret; return true; } break; case ARG_NUMBER_CLASS_BIT | ARG_ARRAY_BIT | ARG_TYPE_DOUBLE: { Array ret; jobjectArray arr = (jobjectArray)obj; int count = env->GetArrayLength(arr); for (int i = 0; i < count; i++) { jobject o = env->GetObjectArrayElement(arr, i); if (!o) { ret.push_back(Variant()); } else { double val = env->CallDoubleMethod(o, JavaClassWrapper::singleton->Double_doubleValue); ret.push_back(val); } env->DeleteLocalRef(o); } var = ret; return true; } break; case ARG_ARRAY_BIT | ARG_TYPE_STRING: { Array ret; jobjectArray arr = (jobjectArray)obj; int count = env->GetArrayLength(arr); for (int i = 0; i < count; i++) { jobject o = env->GetObjectArrayElement(arr, i); if (!o) { ret.push_back(Variant()); } else { String val = jstring_to_string((jstring)o, env); ret.push_back(val); } env->DeleteLocalRef(o); } var = ret; return true; } break; case ARG_ARRAY_BIT | ARG_TYPE_CLASS: { } break; } return false; } Ref<JavaClass> JavaClassWrapper::wrap(const String &p_class) { if (class_cache.has(p_class)) { return class_cache[p_class]; } JNIEnv *env = get_jni_env(); ERR_FAIL_NULL_V(env, Ref<JavaClass>()); jclass bclass = env->FindClass(p_class.utf8().get_data()); ERR_FAIL_NULL_V(bclass, Ref<JavaClass>()); jobjectArray methods = (jobjectArray)env->CallObjectMethod(bclass, getDeclaredMethods); ERR_FAIL_NULL_V(methods, Ref<JavaClass>()); Ref<JavaClass> java_class = memnew(JavaClass); int count = env->GetArrayLength(methods); for (int i = 0; i < count; i++) { jobject obj = env->GetObjectArrayElement(methods, i); ERR_CONTINUE(!obj); jstring name = (jstring)env->CallObjectMethod(obj, getName); String str_method = jstring_to_string(name, env); env->DeleteLocalRef(name); Vector<String> params; jint mods = env->CallIntMethod(obj, getModifiers); if (!(mods & 0x0001)) { env->DeleteLocalRef(obj); continue; //not public bye } jobjectArray param_types = (jobjectArray)env->CallObjectMethod(obj, getParameterTypes); int count2 = env->GetArrayLength(param_types); if (!java_class->methods.has(str_method)) { java_class->methods[str_method] = List<JavaClass::MethodInfo>(); } JavaClass::MethodInfo mi; mi._static = (mods & 0x8) != 0; bool valid = true; String signature = "("; for (int j = 0; j < count2; j++) { jobject obj2 = env->GetObjectArrayElement(param_types, j); String strsig; uint32_t sig = 0; if (!_get_type_sig(env, obj2, sig, strsig)) { valid = false; env->DeleteLocalRef(obj2); break; } signature += strsig; mi.param_types.push_back(sig); mi.param_sigs.push_back(strsig); env->DeleteLocalRef(obj2); } if (!valid) { print_line("Method can't be bound (unsupported arguments): " + p_class + "::" + str_method); env->DeleteLocalRef(obj); env->DeleteLocalRef(param_types); continue; } signature += ")"; jobject return_type = (jobject)env->CallObjectMethod(obj, getReturnType); String strsig; uint32_t sig = 0; if (!_get_type_sig(env, return_type, sig, strsig)) { print_line("Method can't be bound (unsupported return type): " + p_class + "::" + str_method); env->DeleteLocalRef(obj); env->DeleteLocalRef(param_types); env->DeleteLocalRef(return_type); continue; } signature += strsig; mi.return_type = sig; bool discard = false; for (List<JavaClass::MethodInfo>::Element *E = java_class->methods[str_method].front(); E; E = E->next()) { float new_likeliness = 0; float existing_likeliness = 0; if (E->get().param_types.size() != mi.param_types.size()) { continue; } bool this_valid = true; for (int j = 0; j < E->get().param_types.size(); j++) { Variant::Type _new; float new_l; Variant::Type existing; float existing_l; JavaClass::_convert_to_variant_type(E->get().param_types[j], existing, existing_l); JavaClass::_convert_to_variant_type(mi.param_types[j], _new, new_l); if (_new != existing) { this_valid = false; break; } new_likeliness += new_l; existing_likeliness = existing_l; } if (!this_valid) { continue; } if (new_likeliness > existing_likeliness) { java_class->methods[str_method].erase(E); break; } else { discard = true; } } if (!discard) { if (mi._static) { mi.method = env->GetStaticMethodID(bclass, str_method.utf8().get_data(), signature.utf8().get_data()); } else { mi.method = env->GetMethodID(bclass, str_method.utf8().get_data(), signature.utf8().get_data()); } ERR_CONTINUE(!mi.method); java_class->methods[str_method].push_back(mi); } env->DeleteLocalRef(obj); env->DeleteLocalRef(param_types); env->DeleteLocalRef(return_type); } env->DeleteLocalRef(methods); jobjectArray fields = (jobjectArray)env->CallObjectMethod(bclass, getFields); count = env->GetArrayLength(fields); for (int i = 0; i < count; i++) { jobject obj = env->GetObjectArrayElement(fields, i); ERR_CONTINUE(!obj); jstring name = (jstring)env->CallObjectMethod(obj, Field_getName); String str_field = jstring_to_string(name, env); env->DeleteLocalRef(name); int mods = env->CallIntMethod(obj, Field_getModifiers); if ((mods & 0x8) && (mods & 0x10) && (mods & 0x1)) { //static final public! jobject objc = env->CallObjectMethod(obj, Field_get, nullptr); if (objc) { uint32_t sig; String strsig; jclass cl = env->GetObjectClass(objc); if (JavaClassWrapper::_get_type_sig(env, cl, sig, strsig)) { if ((sig & JavaClass::ARG_TYPE_MASK) <= JavaClass::ARG_TYPE_STRING) { Variant value; if (JavaClass::_convert_object_to_variant(env, objc, value, sig)) { java_class->constant_map[str_field] = value; } } } env->DeleteLocalRef(cl); } env->DeleteLocalRef(objc); } env->DeleteLocalRef(obj); } env->DeleteLocalRef(fields); return Ref<JavaClass>(); } JavaClassWrapper *JavaClassWrapper::singleton = nullptr; JavaClassWrapper::JavaClassWrapper(jobject p_activity) { singleton = this; JNIEnv *env = get_jni_env(); ERR_FAIL_NULL(env); jclass activity = env->FindClass("android/app/Activity"); jmethodID getClassLoader = env->GetMethodID(activity, "getClassLoader", "()Ljava/lang/ClassLoader;"); classLoader = env->CallObjectMethod(p_activity, getClassLoader); classLoader = (jclass)env->NewGlobalRef(classLoader); jclass classLoaderClass = env->FindClass("java/lang/ClassLoader"); findClass = env->GetMethodID(classLoaderClass, "loadClass", "(Ljava/lang/String;)Ljava/lang/Class;"); jclass bclass = env->FindClass("java/lang/Class"); getDeclaredMethods = env->GetMethodID(bclass, "getDeclaredMethods", "()[Ljava/lang/reflect/Method;"); getFields = env->GetMethodID(bclass, "getFields", "()[Ljava/lang/reflect/Field;"); Class_getName = env->GetMethodID(bclass, "getName", "()Ljava/lang/String;"); bclass = env->FindClass("java/lang/reflect/Method"); getParameterTypes = env->GetMethodID(bclass, "getParameterTypes", "()[Ljava/lang/Class;"); getReturnType = env->GetMethodID(bclass, "getReturnType", "()Ljava/lang/Class;"); getName = env->GetMethodID(bclass, "getName", "()Ljava/lang/String;"); getModifiers = env->GetMethodID(bclass, "getModifiers", "()I"); bclass = env->FindClass("java/lang/reflect/Field"); Field_getName = env->GetMethodID(bclass, "getName", "()Ljava/lang/String;"); Field_getModifiers = env->GetMethodID(bclass, "getModifiers", "()I"); Field_get = env->GetMethodID(bclass, "get", "(Ljava/lang/Object;)Ljava/lang/Object;"); bclass = env->FindClass("java/lang/Boolean"); Boolean_booleanValue = env->GetMethodID(bclass, "booleanValue", "()Z"); bclass = env->FindClass("java/lang/Byte"); Byte_byteValue = env->GetMethodID(bclass, "byteValue", "()B"); bclass = env->FindClass("java/lang/Character"); Character_characterValue = env->GetMethodID(bclass, "charValue", "()C"); bclass = env->FindClass("java/lang/Short"); Short_shortValue = env->GetMethodID(bclass, "shortValue", "()S"); bclass = env->FindClass("java/lang/Integer"); Integer_integerValue = env->GetMethodID(bclass, "intValue", "()I"); bclass = env->FindClass("java/lang/Long"); Long_longValue = env->GetMethodID(bclass, "longValue", "()J"); bclass = env->FindClass("java/lang/Float"); Float_floatValue = env->GetMethodID(bclass, "floatValue", "()F"); bclass = env->FindClass("java/lang/Double"); Double_doubleValue = env->GetMethodID(bclass, "doubleValue", "()D"); }