com.livk.commons.util.ClassUtils Maven / Gradle / Ivy
/*
* 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.util;
import lombok.experimental.UtilityClass;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
import java.lang.reflect.TypeVariable;
/**
*
* class相关工具类
*
*
* @author livk
*/
@UtilityClass
public class ClassUtils extends org.springframework.util.ClassUtils {
/**
* 将Type安全的转成Class
* @param type parameter
* @param type type
* @return class
*/
@SuppressWarnings("unchecked")
public Class toClass(Type type) {
if (type instanceof ParameterizedType parameterizedType) {
return toClass(parameterizedType.getRawType());
}
else if (type instanceof TypeVariable typeVariable) {
String className = typeVariable.getGenericDeclaration().toString();
return toClass(resolveClassName(className));
}
else {
return (Class) type;
}
}
/**
* 将class全类名转成class
* @param className class name
* @return class
*/
public static Class resolveClassName(String className) {
return resolveClassName(className, getDefaultClassLoader());
}
/**
* 判定当前类是否被加载
* @param className class name
* @return boolean
*/
public static boolean isPresent(String className) {
return isPresent(className, getDefaultClassLoader());
}
}