229 lines
7.1 KiB
C++
229 lines
7.1 KiB
C++
/*************************************************************************/
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/* java_class_wrapper.h */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#ifndef JAVA_CLASS_WRAPPER_H
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#define JAVA_CLASS_WRAPPER_H
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#include "reference.h"
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#include <android/log.h>
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#include <jni.h>
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class JavaObject;
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class JavaClass : public Reference {
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OBJ_TYPE(JavaClass, Reference);
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enum ArgumentType {
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ARG_TYPE_VOID,
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ARG_TYPE_BOOLEAN,
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ARG_TYPE_BYTE,
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ARG_TYPE_CHAR,
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ARG_TYPE_SHORT,
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ARG_TYPE_INT,
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ARG_TYPE_LONG,
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ARG_TYPE_FLOAT,
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ARG_TYPE_DOUBLE,
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ARG_TYPE_STRING, //special case
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ARG_TYPE_CLASS,
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ARG_ARRAY_BIT = 1 << 16,
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ARG_NUMBER_CLASS_BIT = 1 << 17,
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ARG_TYPE_MASK = (1 << 16) - 1
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};
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Map<StringName, Variant> constant_map;
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struct MethodInfo {
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bool _static;
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Vector<uint32_t> param_types;
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Vector<StringName> param_sigs;
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uint32_t return_type;
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jmethodID method;
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};
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_FORCE_INLINE_ static void _convert_to_variant_type(int p_sig, Variant::Type &r_type, float &likelyhood) {
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likelyhood = 1.0;
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r_type = Variant::NIL;
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switch (p_sig) {
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case ARG_TYPE_VOID: r_type = Variant::NIL; break;
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case ARG_TYPE_BOOLEAN | ARG_NUMBER_CLASS_BIT:
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case ARG_TYPE_BOOLEAN: r_type = Variant::BOOL; break;
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case ARG_TYPE_BYTE | ARG_NUMBER_CLASS_BIT:
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case ARG_TYPE_BYTE:
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r_type = Variant::INT;
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likelyhood = 0.1;
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break;
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case ARG_TYPE_CHAR | ARG_NUMBER_CLASS_BIT:
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case ARG_TYPE_CHAR:
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r_type = Variant::INT;
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likelyhood = 0.2;
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break;
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case ARG_TYPE_SHORT | ARG_NUMBER_CLASS_BIT:
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case ARG_TYPE_SHORT:
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r_type = Variant::INT;
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likelyhood = 0.3;
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break;
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case ARG_TYPE_INT | ARG_NUMBER_CLASS_BIT:
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case ARG_TYPE_INT:
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r_type = Variant::INT;
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likelyhood = 1.0;
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break;
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case ARG_TYPE_LONG | ARG_NUMBER_CLASS_BIT:
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case ARG_TYPE_LONG:
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r_type = Variant::INT;
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likelyhood = 0.5;
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break;
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case ARG_TYPE_FLOAT | ARG_NUMBER_CLASS_BIT:
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case ARG_TYPE_FLOAT:
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r_type = Variant::REAL;
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likelyhood = 1.0;
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break;
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case ARG_TYPE_DOUBLE | ARG_NUMBER_CLASS_BIT:
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case ARG_TYPE_DOUBLE:
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r_type = Variant::REAL;
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likelyhood = 0.5;
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break;
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case ARG_TYPE_STRING: r_type = Variant::STRING; break;
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case ARG_TYPE_CLASS: r_type = Variant::OBJECT; break;
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case ARG_ARRAY_BIT | ARG_TYPE_VOID: r_type = Variant::NIL; break;
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case ARG_ARRAY_BIT | ARG_TYPE_BOOLEAN: r_type = Variant::ARRAY; break;
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case ARG_ARRAY_BIT | ARG_TYPE_BYTE:
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r_type = Variant::RAW_ARRAY;
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likelyhood = 1.0;
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break;
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case ARG_ARRAY_BIT | ARG_TYPE_CHAR:
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r_type = Variant::RAW_ARRAY;
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likelyhood = 0.5;
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break;
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case ARG_ARRAY_BIT | ARG_TYPE_SHORT:
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r_type = Variant::INT_ARRAY;
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likelyhood = 0.3;
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break;
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case ARG_ARRAY_BIT | ARG_TYPE_INT:
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r_type = Variant::INT_ARRAY;
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likelyhood = 1.0;
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break;
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case ARG_ARRAY_BIT | ARG_TYPE_LONG:
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r_type = Variant::INT_ARRAY;
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likelyhood = 0.5;
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break;
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case ARG_ARRAY_BIT | ARG_TYPE_FLOAT:
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r_type = Variant::REAL_ARRAY;
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likelyhood = 1.0;
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break;
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case ARG_ARRAY_BIT | ARG_TYPE_DOUBLE:
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r_type = Variant::REAL_ARRAY;
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likelyhood = 0.5;
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break;
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case ARG_ARRAY_BIT | ARG_TYPE_STRING: r_type = Variant::STRING_ARRAY; break;
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case ARG_ARRAY_BIT | ARG_TYPE_CLASS: r_type = Variant::ARRAY; break;
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}
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}
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_FORCE_INLINE_ static bool _convert_object_to_variant(JNIEnv *env, jobject obj, Variant &var, uint32_t p_sig);
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bool _call_method(JavaObject *p_instance, const StringName &p_method, const Variant **p_args, int p_argcount, Variant::CallError &r_error, Variant &ret);
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friend class JavaClassWrapper;
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Map<StringName, List<MethodInfo> > methods;
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jclass _class;
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public:
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virtual Variant call(const StringName &p_method, const Variant **p_args, int p_argcount, Variant::CallError &r_error);
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JavaClass();
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};
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class JavaObject : public Reference {
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OBJ_TYPE(JavaObject, Reference);
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Ref<JavaClass> base_class;
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friend class JavaClass;
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jobject instance;
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public:
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virtual Variant call(const StringName &p_method, const Variant **p_args, int p_argcount, Variant::CallError &r_error);
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JavaObject(const Ref<JavaClass> &p_base, jobject *p_instance);
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~JavaObject();
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};
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class JavaClassWrapper : public Object {
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OBJ_TYPE(JavaClassWrapper, Object);
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Map<String, Ref<JavaClass> > class_cache;
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friend class JavaClass;
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jclass activityClass;
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jmethodID findClass;
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jmethodID getDeclaredMethods;
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jmethodID getFields;
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jmethodID getParameterTypes;
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jmethodID getReturnType;
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jmethodID getModifiers;
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jmethodID getName;
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jmethodID Class_getName;
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jmethodID Field_getName;
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jmethodID Field_getModifiers;
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jmethodID Field_get;
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jmethodID Boolean_booleanValue;
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jmethodID Byte_byteValue;
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jmethodID Character_characterValue;
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jmethodID Short_shortValue;
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jmethodID Integer_integerValue;
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jmethodID Long_longValue;
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jmethodID Float_floatValue;
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jmethodID Double_doubleValue;
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jobject classLoader;
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bool _get_type_sig(JNIEnv *env, jobject obj, uint32_t &sig, String &strsig);
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static JavaClassWrapper *singleton;
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protected:
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static void _bind_methods();
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public:
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static JavaClassWrapper *get_singleton() { return singleton; }
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Ref<JavaClass> wrap(const String &p_class);
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JavaClassWrapper(jobject p_activity = NULL);
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};
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#endif // JAVA_CLASS_WRAPPER_H
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