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C++ JEnv::IsInstanceOf方法代码示例

本文整理汇总了C++中JEnv::IsInstanceOf方法的典型用法代码示例。如果您正苦于以下问题:C++ JEnv::IsInstanceOf方法的具体用法?C++ JEnv::IsInstanceOf怎么用?C++ JEnv::IsInstanceOf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JEnv的用法示例。


在下文中一共展示了JEnv::IsInstanceOf方法的2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: CallJavaMethod


//.........这里部分代码省略.........
			else
			{
				result = env.CallDoubleMethodA(callerJavaObject, mid, javaArgs);
			}
			args.GetReturnValue().Set(result);
			break;
		}
		case MethodReturnType::String:
		{
			jobject result = nullptr;
			bool exceptionOccurred;

			if (isStatic)
			{
				result = env.CallStaticObjectMethodA(clazz, mid, javaArgs);
			}
			else if (isSuper)
			{
				result = env.CallNonvirtualObjectMethodA(callerJavaObject, clazz, mid, javaArgs);
			}
			else
			{
				result = env.CallObjectMethodA(callerJavaObject, mid, javaArgs);
			}

			if (result != nullptr)
			{
				auto objectResult = ArgConverter::jstringToV8String(static_cast<jstring>(result));
				args.GetReturnValue().Set(objectResult);
				env.DeleteLocalRef(result);
			}
			else
			{
				args.GetReturnValue().Set(Null(isolate));
			}

			break;
		}
		case MethodReturnType::Object:
		{
			jobject result = nullptr;
			bool exceptionOccurred;

			if (isStatic)
			{
				result = env.CallStaticObjectMethodA(clazz, mid, javaArgs);
			}
			else if (isSuper)
			{
				result = env.CallNonvirtualObjectMethodA(callerJavaObject, clazz, mid, javaArgs);
			}
			else
			{
				result = env.CallObjectMethodA(callerJavaObject, mid, javaArgs);
			}

			if (result != nullptr)
			{
				auto isString = env.IsInstanceOf(result, JAVA_LANG_STRING);

				Local<Value> objectResult;
				if (isString)
				{
					objectResult = ArgConverter::jstringToV8String((jstring)result);
				}
				else
				{
					jint javaObjectID = objectManager->GetOrCreateObjectId(result);
					objectResult = objectManager->GetJsObjectByJavaObject(javaObjectID);

					if (objectResult.IsEmpty())
					{
						objectResult = objectManager->CreateJSWrapper(javaObjectID, *returnType, result);
					}
				}

				args.GetReturnValue().Set(objectResult);
				env.DeleteLocalRef(result);
			}
			else
			{
				args.GetReturnValue().Set(Null(isolate));
			}

			break;
		}
		default:
		{
			assert(false);
			break;
		}
	}

	static uint32_t adjustMemCount = 0;

	if ((++adjustMemCount % 2) == 0)
	{
		AdjustAmountOfExternalAllocatedMemory(env, isolate);
	}
}
开发者ID:slavchev,项目名称:android-runtime,代码行数:101,代码来源:NativeScriptRuntime.cpp

示例2: CallJavaMethod


//.........这里部分代码省略.........
		}
		case '[':
		case 'L':
		{
			bool isString = returnType == "Ljava/lang/String;";

			jobject result = nullptr;
			bool exceptionOccurred;

			if (isString)
			{
				if (isStatic)
				{
					result = env.CallStaticObjectMethodA(clazz, mid, javaArgs);
				}
				else if (isSuper)
				{
					result = env.CallNonvirtualObjectMethodA(callerJavaObject, clazz, mid, javaArgs);
				}
				else
				{
					result = env.CallObjectMethodA(callerJavaObject, mid, javaArgs);
				}

				exceptionOccurred = env.ExceptionCheck() == JNI_TRUE;

				if (!exceptionOccurred)
				{
					auto resultV8String = ArgConverter::jstringToV8String((jstring) result);
					args.GetReturnValue().Set(resultV8String);
				}
			}
			else
			{
				if (isStatic)
				{
					result = env.CallStaticObjectMethodA(clazz, mid, javaArgs);
				}
				else if (isSuper)
				{
					result = env.CallNonvirtualObjectMethodA(callerJavaObject, clazz, mid, javaArgs);
				}
				else
				{
					result = env.CallObjectMethodA(callerJavaObject, mid, javaArgs);
				}

				exceptionOccurred = env.ExceptionCheck() == JNI_TRUE;

				if (!exceptionOccurred)
				{
					if (result != nullptr)
					{
						isString = env.IsInstanceOf(result, JAVA_LANG_STRING);

						Handle<Value> objectResult;
						if (isString)
						{
							objectResult = ArgConverter::jstringToV8String((jstring)result);
						}
						else
						{
							jint javaObjectID = objectManager->GetOrCreateObjectId(result);
							objectResult = objectManager->GetJsObjectByJavaObject(javaObjectID);

							if (objectResult.IsEmpty())
							{
								objectResult = objectManager->CreateJSWrapper(javaObjectID, returnType, result);
							}
						}

						args.GetReturnValue().Set(objectResult);
					}
					else
					{
						args.GetReturnValue().Set(Null(isolate));
					}
				}
			}

			if (!exceptionOccurred)
			{
				env.DeleteLocalRef(result);
			}

			break;
		}
		default:
		{
			// TODO:
			ASSERT_FAIL("Unknown return type");
			break;
		}
	}

	if (!ExceptionUtil::GetInstance()->CheckForJavaException(env))
	{
		AdjustAmountOfExternalAllocatedMemory(env, isolate);
	}
}
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::IsInstanceOf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。