org.treeleafj.xmax.bean.ClassUtils Maven / Gradle / Ivy
package org.treeleafj.xmax.bean;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
/**
* 类工具
*
* @author leaf
*/
@SuppressWarnings("rawtypes")
public class ClassUtils {
/**
* 当前类的泛型类型
*/
public static Class getGeneric(Class classType) {
Type type = (Type) classType.getGenericSuperclass();
ParameterizedType pt = (ParameterizedType) type;
Class classz = ((Class) pt.getActualTypeArguments()[0]);
return classz;
}
/**
* 当前类的泛型类型
*/
public static Class[] getGenerics(Class classType) {
Type type = (Type) classType.getGenericSuperclass();
ParameterizedType pt = (ParameterizedType) type;
Type[] types = pt.getActualTypeArguments();
if (types[0] instanceof Class) {
Class[] classz = new Class[types.length];
for (int i = 0; i < classz.length; i++) {
classz[i] = (Class) types[i];
}
return classz;
} else {
return null;
}
}
/**
* 得到指定对象的beanname(默认为类名首字母小写)
*
* @param obj
*/
public static String getSimpleBeanName(Object obj) {
String name;
if (obj instanceof Class) {
name = ((Class) obj).getSimpleName();
} else {
name = obj.getClass().getSimpleName();
}
return name.substring(0, 1).toLowerCase() + name.substring(1);
}
}