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C++ JEnv::GetMethodID方法代码示例

本文整理汇总了C++中JEnv::GetMethodID方法的典型用法代码示例。如果您正苦于以下问题：C++ JEnv::GetMethodID方法的具体用法？C++ JEnv::GetMethodID怎么用？C++ JEnv::GetMethodID使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类JEnv的用法示例。


在下文中一共展示了JEnv::GetMethodID方法的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: 

ObjectManager::ObjectManager()
:
		m_numberOfGC(0), m_currentObjectId(0), m_cache(NewWeakGlobalRefCallback, DeleteWeakGlobalRefCallback, 1000, this)
{
	JEnv env;

	PlatformClass = env.FindClass("com/tns/Platform");
	assert(PlatformClass != nullptr);

	GET_JAVAOBJECT_BY_ID_METHOD_ID = env.GetStaticMethodID(PlatformClass, "getJavaObjectByID", "(I)Ljava/lang/Object;");
	assert(GET_JAVAOBJECT_BY_ID_METHOD_ID != nullptr);

	GET_OR_CREATE_JAVA_OBJECT_ID_METHOD_ID = env.GetStaticMethodID(PlatformClass, "getOrCreateJavaObjectID", "(Ljava/lang/Object;)I");
	assert(GET_OR_CREATE_JAVA_OBJECT_ID_METHOD_ID != nullptr);

	MAKE_INSTANCE_WEAK_BATCH_METHOD_ID = env.GetStaticMethodID(PlatformClass, "makeInstanceWeak", "(Ljava/nio/ByteBuffer;IZ)V");
	assert(MAKE_INSTANCE_WEAK_BATCH_METHOD_ID != nullptr);

	CHECK_WEAK_OBJECTS_ARE_ALIVE_METHOD_ID = env.GetStaticMethodID(PlatformClass, "checkWeakObjectAreAlive", "(Ljava/nio/ByteBuffer;Ljava/nio/ByteBuffer;I)V");
	assert(CHECK_WEAK_OBJECTS_ARE_ALIVE_METHOD_ID != nullptr);

	JAVA_LANG_CLASS = env.FindClass("java/lang/Class");
	assert(JAVA_LANG_CLASS != nullptr);

	GET_NAME_METHOD_ID = env.GetMethodID(JAVA_LANG_CLASS, "getName", "()Ljava/lang/String;");
	assert(GET_NAME_METHOD_ID != nullptr);

	ObjectManager::instance = this;
}
开发者ID:atifzaidi，项目名称:android-runtime，代码行数:29，代码来源:ObjectManager.cpp

示例2: Init

void JsDebugger::Init(v8::Isolate *isolate, const string& packageName, jobject jsDebugger)
{
	s_isolate = isolate;
	s_packageName = packageName;

	JEnv env;
	s_jsDebugger = env.NewGlobalRef(jsDebugger);

	s_JsDebuggerClass = env.FindClass("com/tns/JsDebugger");
	assert(s_JsDebuggerClass != nullptr);

	s_EnqueueMessage = env.GetMethodID(s_JsDebuggerClass, "enqueueMessage", "(Ljava/lang/String;)V");
	assert(s_EnqueueMessage != nullptr);

	s_EnableAgent = env.GetMethodID(s_JsDebuggerClass, "enableAgent", "()V");
	assert(s_EnableAgent != nullptr);
}
开发者ID:atifzaidi，项目名称:android-runtime，代码行数:17，代码来源:JsDebugger.cpp

示例3: AppInitCallback

void NativePlatform::AppInitCallback(const v8::FunctionCallbackInfo<v8::Value>& args)
{
	try {
	auto isolate = Isolate::GetCurrent();

	if (args.Length() != 1)
	{
		throw NativeScriptException(string("Application should be initialized with single parameter"));
	}
	if (!args[0]->IsObject())
	{
		throw NativeScriptException(string("Application should be initialized with single object parameter containing overridden methods"));
	}

	// TODO: find another way to get "com/tns/NativeScriptApplication" metadata (move it to more appropriate place)
	auto node = MetadataNode::GetOrCreate("com/tns/NativeScriptApplication");
	auto appInstance = node->CreateJSWrapper(isolate);
	DEBUG_WRITE("Application object created id: %d", appInstance->GetIdentityHash());

	auto implementationObject = args[0]->ToObject();
	implementationObject->SetHiddenValue(V8StringConstants::GetClassImplementationObject(), External::New(isolate, node));
	DEBUG_WRITE("Application object implementation object is with id: %d", implementationObject->GetIdentityHash());
	implementationObject->SetPrototype(appInstance->GetPrototype());
	bool appSuccess = appInstance->SetPrototype(implementationObject);
	if (!appSuccess)
	{
		throw NativeScriptException(string("Application could not be initialized correctly"));
	}

	jweak applicationObject = g_objectManager->GetJavaObjectByID(AppJavaObjectID);

	JEnv env;
	jclass appClass = env.FindClass("com/tns/NativeScriptApplication");
	g_objectManager->Link(appInstance, AppJavaObjectID, appClass);

	JniLocalRef applicationClass(env.GetObjectClass(applicationObject));
	jmethodID setNativeScriptOverridesMethodId = env.GetMethodID((jclass)applicationClass, "setNativeScriptOverrides", "([Ljava/lang/String;)V");
	jobjectArray methodOverrides = NativeScriptRuntime::GetMethodOverrides(env, implementationObject);
	env.CallVoidMethod(applicationObject, setNativeScriptOverridesMethodId, methodOverrides);
	} catch (NativeScriptException& e) {
		e.ReThrowToV8();
	}
	catch (exception e) {
		DEBUG_WRITE("Error: c++ exception: %s", e.what());
	}
	catch (...) {
		DEBUG_WRITE("Error: c++ exception!");
	}
}
开发者ID:slavchev，项目名称:android-runtime，代码行数:49，代码来源:NativePlatform.cpp

示例4: CallJavaMethod

void NativeScriptRuntime::CallJavaMethod(const Local<Object>& caller, const string& className, const string& methodName, MetadataEntry *entry, bool isStatic, bool isSuper, const v8::FunctionCallbackInfo<v8::Value>& args)
{
	SET_PROFILER_FRAME();

	JEnv env;

	jclass clazz;
	jmethodID mid;
	string *sig = nullptr;
	string *returnType = nullptr;
	auto retType = MethodReturnType::Unknown;
	MethodCache::CacheMethodInfo mi;

	if ((entry != nullptr) && entry->isResolved)
	{
		isStatic = entry->isStatic;

		if (entry->memberId == nullptr)
		{
			clazz = env.FindClass(className);
			if (clazz == nullptr)
			{
				MetadataNode* callerNode = MetadataNode::GetNodeFromHandle(caller);
				const string callerClassName = callerNode->GetName();

				DEBUG_WRITE("Cannot resolve class: %s while calling method: %s callerClassName: %s", className.c_str(), methodName.c_str(), callerClassName.c_str());
				clazz = env.FindClass(callerClassName);
				if (clazz == nullptr)
				{
					//todo: plamen5kov: throw exception here
					DEBUG_WRITE("Cannot resolve caller's class name: %s", callerClassName.c_str());
					return;
				}

				entry->memberId = isStatic ?
						env.GetStaticMethodID(clazz, methodName, entry->sig) :
						env.GetMethodID(clazz, methodName, entry->sig);

				if (entry->memberId == nullptr)
				{
					//todo: plamen5kov: throw exception here
					DEBUG_WRITE("Cannot resolve a method %s on caller class: %s", methodName.c_str(), callerClassName.c_str());
					return;
				}
			}
			else
			{
				entry->memberId = isStatic ?
									env.GetStaticMethodID(clazz, methodName, entry->sig) :
									env.GetMethodID(clazz, methodName, entry->sig);

				if (entry->memberId == nullptr)
				{
					//todo: plamen5kov: throw exception here
					DEBUG_WRITE("Cannot resolve a method %s on class: %s", methodName.c_str(), className.c_str());
					return;
				}
			}
			entry->clazz = clazz;
		}

		mid = reinterpret_cast<jmethodID>(entry->memberId);
		clazz = entry->clazz;
		sig = &entry->sig;
		returnType = &entry->returnType;
		retType = entry->retType;
	}
	else
	{
		DEBUG_WRITE("Resolving method: %s on className %s", methodName.c_str(), className.c_str());

		clazz = env.FindClass(className);
		if (clazz != nullptr)
		{
			mi = MethodCache::ResolveMethodSignature(className, methodName, args, isStatic);
			if (mi.mid == nullptr)
			{
				DEBUG_WRITE("Cannot resolve class=%s, method=%s, isStatic=%d, isSuper=%d", className.c_str(), methodName.c_str(), isStatic, isSuper);
				return;
			}
		}
		else
		{
			MetadataNode* callerNode = MetadataNode::GetNodeFromHandle(caller);
			const string callerClassName = callerNode->GetName();
			DEBUG_WRITE("Resolving method on caller class: %s.%s on className %s", callerClassName.c_str(), methodName.c_str(), className.c_str());
			mi = MethodCache::ResolveMethodSignature(callerClassName, methodName, args, isStatic);
			if (mi.mid == nullptr)
			{
				DEBUG_WRITE("Cannot resolve class=%s, method=%s, isStatic=%d, isSuper=%d, callerClass=%s", className.c_str(), methodName.c_str(), isStatic, isSuper, callerClassName.c_str());
				return;
			}
		}

		clazz = mi.clazz;
		mid = mi.mid;
		sig = &mi.signature;
		returnType = &mi.returnType;
		retType = mi.retType;
	}
//.........这里部分代码省略.........
开发者ID:slavchev，项目名称:android-runtime，代码行数:101，代码来源:NativeScriptRuntime.cpp

示例5: CallJavaMethod

void NativeScriptRuntime::CallJavaMethod(const Handle<Object>& caller, const string& className, const string& methodName, MetadataEntry *entry, bool isStatic, bool isSuper, const v8::FunctionCallbackInfo<v8::Value>& args)
{
	SET_PROFILER_FRAME();

	JEnv env;

	jclass clazz;
	jmethodID mid;
	string sig;

	if ((entry != nullptr) && entry->isResolved)
	{
		isStatic = entry->isStatic;

		if (entry->memberId == nullptr)
		{
			entry->clazz = env.FindClass(className);
			if (entry->clazz == nullptr)
			{
				MetadataNode* callerNode = MetadataNode::GetNodeFromHandle(caller);
				const string callerClassName = callerNode->GetName();

				DEBUG_WRITE("Cannot resolve class: %s while calling method: %s callerClassName: %s", className.c_str(), methodName.c_str(), callerClassName.c_str());
				clazz = env.FindClass(callerClassName);
				if (clazz == nullptr)
				{
					DEBUG_WRITE("Cannot resolve caller's class name: %s", callerClassName.c_str());
					return;
				}

				mid = isStatic ?
						env.GetStaticMethodID(clazz, methodName, entry->sig) :
						env.GetMethodID(clazz, methodName, entry->sig);

				if (mid == nullptr)
				{
					DEBUG_WRITE("Cannot resolve a method %s on caller class: %s", methodName.c_str(), callerClassName.c_str());
					return;
				}

			}
			else
			{
				entry->memberId = isStatic ?
									env.GetStaticMethodID(entry->clazz, methodName, entry->sig) :
									env.GetMethodID(entry->clazz, methodName, entry->sig);

				if (entry->memberId == nullptr)
				{
					DEBUG_WRITE("Cannot resolve a method %s on class: %s", methodName.c_str(), className.c_str());
					return;
				}
			}
		}

		if (entry->clazz != nullptr)
		{
			clazz = entry->clazz;
			mid = reinterpret_cast<jmethodID>(entry->memberId);
		}

		sig = entry->sig;
	}
	else
	{
		DEBUG_WRITE("Resolving method: %s on className %s", methodName.c_str(), className.c_str());
		MethodCache::CacheMethodInfo mi;

		clazz = env.FindClass(className);
		if (clazz != nullptr)
		{
			mi = MethodCache::ResolveMethodSignature(className, methodName, args, isStatic);
			if (mi.mid == nullptr)
			{
				DEBUG_WRITE("Cannot resolve class=%s, method=%s, isStatic=%d, isSuper=%d", className.c_str(), methodName.c_str(), isStatic, isSuper);
				return;
			}
		}
		else
		{
			MetadataNode* callerNode = MetadataNode::GetNodeFromHandle(caller);
			const string callerClassName = callerNode->GetName();
			DEBUG_WRITE("Resolving method on caller class: %s.%s on className %s", callerClassName.c_str(), methodName.c_str(), className.c_str());
			mi = MethodCache::ResolveMethodSignature(callerClassName, methodName, args, isStatic);
			if (mi.mid == nullptr)
			{
				DEBUG_WRITE("Cannot resolve class=%s, method=%s, isStatic=%d, isSuper=%d, callerClass=%s", className.c_str(), methodName.c_str(), isStatic, isSuper, callerClassName.c_str());
				return;
			}
		}


		clazz = mi.clazz;
		mid = mi.mid;
		sig = mi.signature;
	}




//.........这里部分代码省略.........
开发者ID:bootstraponline，项目名称:android-runtime，代码行数:101，代码来源:NativeScriptRuntime.cpp


注：本文中的JEnv::GetMethodID方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。