org.aoju.bus.mapper.reflect.MetaObject Maven / Gradle / Ivy
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package org.aoju.bus.mapper.reflect;
import org.aoju.bus.core.exception.InstrumentException;
import java.lang.reflect.Method;
/**
* 反射工具
*
* @author Kimi Liu
* @since Java 17+
*/
public class MetaObject {
public static Method method;
static {
try {
// 高版本中的 MetaObject.forObject 有 4 个参数,低版本是 1 个
// 先判断当前使用的是否为高版本
Class.forName("org.apache.ibatis.reflection.ReflectorFactory");
// 下面这个 MetaObjectWithCache 带反射的缓存信息
Class metaClass = Class.forName("org.aoju.bus.mapper.reflect.MetaObjectWithCache");
method = metaClass.getDeclaredMethod("forObject", Object.class);
} catch (Throwable e1) {
try {
Class metaClass = Class.forName("org.apache.ibatis.reflection.SystemMetaObject");
method = metaClass.getDeclaredMethod("forObject", Object.class);
} catch (Exception e2) {
try {
Class metaClass = Class.forName("org.apache.ibatis.reflection.MetaObject");
method = metaClass.getDeclaredMethod("forObject", Object.class);
} catch (Exception e3) {
throw new InstrumentException(e3);
}
}
}
}
public static org.apache.ibatis.reflection.MetaObject forObject(Object object) {
try {
return (org.apache.ibatis.reflection.MetaObject) method.invoke(null, object);
} catch (Exception e) {
throw new InstrumentException(e);
}
}
}