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fix: make actualTypeArguments not force cast to Class type

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fankesyooni
2023-10-01 00:59:51 +08:00
parent 6e435244f6
commit 5e34d66f96
1 changed files with 11 additions and 4 deletions
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15
yukireflection-core/src/main/java/com/highcapable/yukireflection/bean/GenericClass.kt
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@@ -40,18 +40,25 @@ class GenericClass internal constructor(private val type: ParameterizedType) {
/** /**
* 获得泛型参数数组下标的 [Class] 实例 * 获得泛型参数数组下标的 [Class] 实例
*
* - 在运行时局部变量的泛型会被擦除 - 获取不到时将会返回 null
* @param index 数组下标 - 默认 0 * @param index 数组下标 - 默认 0
* @return [Class] * @return [Class] or null
*/ */
fun argument(index: Int = 0) = type.actualTypeArguments[index] as Class<*> fun argument(index: Int = 0) = type.actualTypeArguments[index] as? Class<*>?
/** /**
* 获得泛型参数数组下标的 [Class] 实例 * 获得泛型参数数组下标的 [Class] 实例
*
* - 在运行时局部变量的泛型会被擦除 - 获取不到时将会返回 null
* @param index 数组下标 - 默认 0 * @param index 数组下标 - 默认 0
* @return [Class]<[T]> * @return [Class]<[T]> or null
* @throws IllegalStateException 如果 [Class] 的类型不为 [T] * @throws IllegalStateException 如果 [Class] 的类型不为 [T]
*/ */
@JvmName("argument_Generics") @JvmName("argument_Generics")
inline fun <reified T> argument(index: Int = 0) = inline fun <reified T> argument(index: Int = 0) =
type.actualTypeArguments[index] as? Class<T> ?: error("Target Class type cannot cast to ${T::class.java}") type.actualTypeArguments[index].let { args ->
if (args is Class<*>) args as? Class<T>? ?: error("Target Class type cannot cast to ${T::class.java}")
else null
}
} }