SerializeUtil 序列化，反序列化工具类

冷不防 2021-09-29 14:56 335阅读 0赞

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package cloud.app.prod.home.utils;
 
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
 import java.io.Closeable;
 import java.io.ObjectInputStream;
 import java.io.ObjectOutputStream;
 import java.util.ArrayList;
 import java.util.List;
 
 /**
 * 序列化，反序列化工具类
 * 用于转换byte[]和对象
 * Author : YongBo Xie 
 * File Name: SerializeUtil.java 
 * Created Date: 2018年3月29日 下午6:36:49 
 * Modified Date: 2018年3月29日 下午6:36:49 
 * Version: 1.0 
 */
 
 public class SerializeUtil {
 
 public static byte[] serialize(Object object) {
 ObjectOutputStream oos = null;
 ByteArrayOutputStream baos = null;
 try {
 // 序列化
 baos = new ByteArrayOutputStream();
 oos = new ObjectOutputStream(baos);
 oos.writeObject(object);
 byte[] bytes = baos.toByteArray();
 return bytes;
 } catch (Exception e) {
 e.printStackTrace();
 } finally { 
 close(oos); 
 close(baos); 
 } 
 return null;
 }
 
 public static Object unserialize(byte[] bytes) {
 ByteArrayInputStream bais = null;
 ObjectInputStream ois = null;
 try {
 // 反序列化
 bais = new ByteArrayInputStream(bytes);
 ois = new ObjectInputStream(bais);
 return ois.readObject();
 } catch (Exception e) {
 e.printStackTrace();
 } finally { 
 close(bais); 
 close(ois); 
 } 
 return null;
 }
 
 /** 
 * 序列化 list 集合 
 * 
 * @param list 
 * @return 
 */ 
 public static byte[] serializeList(List<?> list) { 
 
 if (list == null || list.size() <= 0) { 
 return null; 
 } 
 ObjectOutputStream oos = null; 
 ByteArrayOutputStream baos = null; 
 byte[] bytes = null; 
 try { 
 baos = new ByteArrayOutputStream(); 
 oos = new ObjectOutputStream(baos); 
 for (Object obj : list) { 
 oos.writeObject(obj); 
 } 
 bytes = baos.toByteArray(); 
 } catch (Exception e) { 
 e.printStackTrace(); 
 } finally { 
 close(oos); 
 close(baos); 
 } 
 return bytes; 
 } 
 
 /** 
 * 反序列化 list 集合 
 * 
 * @param lb 
 * @return 
 */ 
 public static List<?> unserializeList(byte[] bytes) { 
 if (bytes == null) { 
 return null; 
 } 
 
 List<Object> list = new ArrayList<Object>(); 
 ByteArrayInputStream bais = null; 
 ObjectInputStream ois = null; 
 try { 
 // 反序列化 
 bais = new ByteArrayInputStream(bytes); 
 ois = new ObjectInputStream(bais); 
 while (bais.available() > 0) { 
 Object obj = (Object) ois.readObject(); 
 if (obj == null) { 
 break; 
 } 
 list.add(obj); 
 } 
 } catch (Exception e) { 
 e.printStackTrace(); 
 } finally { 
 close(bais); 
 close(ois); 
 } 
 return list; 
 } 
 
 /** 
 * 关闭io流对象 
 * 
 * @param closeable 
 */ 
 public static void close(Closeable closeable) { 
 if (closeable != null) { 
 try { 
 closeable.close(); 
 } catch (Exception e) { 
 e.printStackTrace(); 
 } 
 } 
 } 
 }

转载于:https://www.cnblogs.com/BobXie85/p/8671613.html

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