com.zyy.common.util.ObjectUtils Maven / Gradle / Ivy
package com.zyy.common.util;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.lang.reflect.Method;
/**
* @author jia.song
* @version 2020-1-15
*/
public class ObjectUtils extends org.apache.commons.lang3.ObjectUtils {
/**
* 注解到对象复制，只复制能匹配上的方法。
*
* @param annotation 注解
* @param object 对象
*/
public static void annotationToObject(Object annotation, Object object) {
if (annotation != null) {
Class annotationClass = annotation.getClass();
Class objectClass = object.getClass();
for (Method m : objectClass.getMethods()) {
if (StringUtils.startsWith(m.getName(), "set")) {
try {
String s = StringUtils.uncapitalize(StringUtils.substring(m.getName(), 3));
Object obj = annotationClass.getMethod(s).invoke(annotation);
if (obj != null && !"".equals(obj.toString())) {
m.invoke(object, obj);
}
} catch (Exception e) {
// 忽略所有设置失败方法
}
}
}
}
}
/**
* 序列化对象
*
* @param object obj
* @return byte array
*/
public static byte[] serialize(Object object) {
ObjectOutputStream oos;
ByteArrayOutputStream baos;
try {
if (object != null) {
baos = new ByteArrayOutputStream();
oos = new ObjectOutputStream(baos);
oos.writeObject(object);
return baos.toByteArray();
}
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
/**
* 反序列化对象
*
* @param bytes byte array
* @return obj
*/
public static Object unSerialize(byte[] bytes) {
ByteArrayInputStream bi;
try {
if (bytes != null && bytes.length > 0) {
bi = new ByteArrayInputStream(bytes);
ObjectInputStream ois = new ObjectInputStream(bi);
return ois.readObject();
}
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
}