com.livk.commons.beans.Wrapper Maven / Gradle / Ivy
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/*
* Copyright 2021-2024 spring-boot-extension the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.livk.commons.beans;
/**
* 通用包装器
*/
public interface Wrapper {
/**
* 根据类型获取相关实例
*
* 如果无法进行转换则抛出异常{@link ClassCastException}
* @param 相关泛型
* @param type 类信息
* @return 相关实例
*/
default T unwrap(Class type) {
if (isWrapperFor(type)) {
return type.cast(unwrap());
}
throw new ClassCastException("cannot be converted to " + type);
}
/**
* 判断是否可以进行转换
* @param type 类信息
* @return bool
*/
default boolean isWrapperFor(Class type) {
return type.isInstance(unwrap());
}
/**
* 解析获取相关实例
* @return 相关实例
*/
Object unwrap();
}