generated from mingliqiye/lib-tem
refactor(kotlin): 重构 AES 工具类并优化 Base64 编解码方法
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- 重构 AesUtils.kt,使用 Kotlin 标准库的 encode 和 decode 方法替代自定义实现- 删除 Java 版本的 Base64Utils 类,迁移到 Kotlin 实现 - 重命名 ByteUtil.kt 为 ByteUtils.kt,统一命名风格 - 删除 Java 版本的 CloneUtil 类和 Factory 类,使用 Kotlin 实现 - 新增 Kotlin 版本的 SpringBeanUtils 工具类
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241
src/main/kotlin/com/mingliqiye/utils/bean/Factory.kt
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241
src/main/kotlin/com/mingliqiye/utils/bean/Factory.kt
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/*
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* Copyright 2025 mingliqiye
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* ProjectName mingli-utils
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* ModuleName mingli-utils.main
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* CurrentFile Factory.kt
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* LastUpdate 2025-09-14 19:09:28
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* UpdateUser MingLiPro
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*/
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@file:JvmName("Factory")
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package com.mingliqiye.utils.bean
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import com.mingliqiye.utils.bean.annotation.ComponentBean
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import com.mingliqiye.utils.bean.annotation.InjectBean
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import java.io.File
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import java.net.URL
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import java.util.*
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import java.util.concurrent.ConcurrentHashMap
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import kotlin.reflect.KClass
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/**
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* 存储所有已注册的Bean实例，键为Bean名称，值为Bean实例
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*/
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private val BEANS: ConcurrentHashMap<String, Any> = ConcurrentHashMap()
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/**
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* 存储按类型查找的Bean实例，键为Bean的Class对象，值为Bean实例
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*/
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private val TYPE_BEANS: ConcurrentHashMap<KClass<*>, Any> = ConcurrentHashMap()
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/**
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* 自动扫描指定类所在包下的所有类并注册为Bean
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*
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* @param c 指定的类，用于获取其所在的包
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* @throws IllegalArgumentException 如果传入的类为null或位于默认包中
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*/
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fun autoScan(c: Class<*>?) {
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if (c == null) {
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throw IllegalArgumentException("Class cannot be null")
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}
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val pkg = c.`package`
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if (pkg == null) {
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throw IllegalArgumentException("Class is in the default package")
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}
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scan(pkg.name)
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}
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/**
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* 扫描指定包路径下的所有类文件，并注册其中带有@ComponentBean注解的类为Bean
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*
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* @param basePackage 要扫描的基础包名
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* @throws RuntimeException 如果在扫描过程中发生异常
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*/
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fun scan(basePackage: String) {
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try {
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val path = basePackage.replace('.', '/')
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val classLoader = Thread.currentThread().contextClassLoader
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val resources: Enumeration<URL> = classLoader.getResources(path)
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while (resources.hasMoreElements()) {
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val resource = resources.nextElement()
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val file = File(resource.toURI())
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scanDirectory(file, basePackage)
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}
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injectDependencies()
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} catch (e: Exception) {
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throw RuntimeException(e)
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}
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}
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/**
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* 递归扫描目录中的所有类文件，并注册符合条件的类为Bean
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*
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* @param directory 当前要扫描的目录
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* @param packageName 当前目录对应的包名
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* @throws Exception 如果在扫描或类加载过程中发生异常
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*/
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private fun scanDirectory(directory: File, packageName: String) {
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val files = directory.listFiles() ?: return
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for (file in files) {
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if (file.isDirectory) {
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scanDirectory(file, "$packageName.${file.name}")
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} else if (file.name.endsWith(".class")) {
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val className = packageName + '.' + file.name.replace(".class", "")
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registerComponent(Class.forName(className))
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}
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}
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}
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/**
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* 注册一个带有@ComponentBean注解的类为Bean实例
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*
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* @param clazz 要注册的类
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* @throws Exception 如果在实例化类或处理注解时发生异常
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*/
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private fun registerComponent(clazz: Class<*>) {
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if (clazz.isAnnotationPresent(ComponentBean::class.java)) {
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val component = clazz.getAnnotation(ComponentBean::class.java)
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val name = component.value.ifEmpty { clazz.name }
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val instance = clazz.getDeclaredConstructor().newInstance()
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BEANS[name] = instance
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val kClass = clazz.kotlin
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TYPE_BEANS[kClass] = instance
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for (interfaceClass in clazz.interfaces) {
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TYPE_BEANS.putIfAbsent(interfaceClass.kotlin, instance)
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}
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}
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}
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/**
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* 对所有已注册的Bean进行依赖注入处理
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*
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* @throws Exception 如果在注入过程中发生异常
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*/
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private fun injectDependencies() {
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for (bean in BEANS.values) {
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for (field in bean.javaClass.declaredFields) {
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if (field.isAnnotationPresent(InjectBean::class.java)) {
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val inject = field.getAnnotation(InjectBean::class.java)
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val dependency = findDependency(field.type, inject.value)
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if (dependency == null) {
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throw IllegalStateException(
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"No suitable dependency found for field " + field.name + " in class " + bean.javaClass.name
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)
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}
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field.isAccessible = true
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field.set(bean, dependency)
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}
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}
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}
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}
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/**
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* 根据类型和名称查找对应的依赖实例
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*
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* @param type 依赖的类型
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* @param name 依赖的名称（可为空）
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* @return 找到的依赖实例，未找到则返回null
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*/
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private fun findDependency(type: Class<*>, name: String): Any? {
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if (name.isNotEmpty()) {
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return BEANS[name]
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}
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val dependency = TYPE_BEANS[type.kotlin]
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if (dependency != null) {
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return dependency
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}
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for (interfaceType in TYPE_BEANS.keys) {
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if (type.isAssignableFrom(interfaceType.java)) {
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return TYPE_BEANS[interfaceType]
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}
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}
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return null
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}
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/**
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* 将一个对象添加到Bean容器中，使用其类名作为键
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*
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* @param obj 要添加的对象
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* @throws RuntimeException 如果在注入依赖时发生异常
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*/
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fun add(obj: Any) {
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val clazz = obj.javaClass
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val name = clazz.name
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BEANS[name] = obj
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TYPE_BEANS[clazz.kotlin] = obj
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try {
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injectDependencies()
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} catch (e: Exception) {
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throw RuntimeException(e)
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}
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}
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/**
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* 将一个对象以指定名称添加到Bean容器中
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*
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* @param name Bean的名称
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* @param obj 要添加的对象
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* @throws RuntimeException 如果在注入依赖时发生异常
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*/
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fun add(name: String, obj: Any) {
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BEANS[name] = obj
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TYPE_BEANS[obj.javaClass.kotlin] = obj
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try {
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injectDependencies()
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} catch (e: Exception) {
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throw RuntimeException(e)
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}
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}
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/**
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* 根据类型获取对应的Bean实例
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*
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* @param objclass Bean的类型
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* @param T Bean的泛型类型
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* @return 对应类型的Bean实例，未找到则返回null
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*/
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@Suppress("UNCHECKED_CAST")
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fun <T : Any> get(objclass: KClass<T>): T? {
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return TYPE_BEANS[objclass] as? T
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}
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/**
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* 根据名称和类型获取对应的Bean实例
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*
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* @param name Bean的名称
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* @param objclass Bean的类型
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* @param T Bean的泛型类型
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* @return 对应名称和类型的Bean实例，未找到则返回null
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*/
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@Suppress("UNCHECKED_CAST")
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fun <T : Any> get(name: String, objclass: KClass<T>): T? {
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return BEANS[name] as? T
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}
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/**
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* 根据名称获取对应的Bean实例
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*
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* @param name Bean的名称
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* @return 对应名称的Bean实例，未找到则返回null
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*/
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fun get(name: String): Any? {
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return BEANS[name]
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}
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@ -0,0 +1,43 @@
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/*
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* Copyright 2025 mingliqiye
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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||||
*
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* ProjectName mingli-utils
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||||
* ModuleName mingli-utils.main
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* CurrentFile ComponentBean.kt
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* LastUpdate 2025-09-14 18:48:59
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||||
* UpdateUser MingLiPro
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||||
*/
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package com.mingliqiye.utils.bean.annotation
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import kotlin.annotation.AnnotationRetention.RUNTIME
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import kotlin.annotation.AnnotationTarget.CLASS
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import kotlin.annotation.AnnotationTarget.FIELD
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/**
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* 组件bean注解
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* @author MingLiPro
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*/
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@Retention(RUNTIME)
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@Target(CLASS)
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annotation class ComponentBean(val value: String = "")
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/**
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* 注入bean注解
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* @author MingLiPro
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*/
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@Retention(RUNTIME)
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@Target(FIELD)
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annotation class InjectBean(val value: String = "")
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