FST序列化反序列化工具。拿当前项目订单数据序列化、反序列化100万次和JDK序列化工具比较耗时相差不到一个数据级：---SerializationUtils.serialize---193565 ---FSTSerializationUtils.serialize---33351

FSTSerializationUtils.java

package com.iuni.order.common.mapper;

import org.nustaq.serialization.FSTObjectInput;
import org.nustaq.serialization.FSTObjectOutput;

import java.io.*;


// 3.0可用下边这个简单的接口了，FST并不支持添加删除字段！
// FSTCoder fst = new DefaultCoder();
// fst.toByteArray
// fst.toObject

/**
 *
 * Static utilities for serialization and deserialization by FST.
 *
 * @author YAGNLiiN
 * @date 2014-10-20 13:33
 */
public abstract class FSTSerializationUtils {

    /**
     * Serialize the given object to a byte array.
     * 
     * @param object the object to serialize
     * @return an array of bytes representing the object in a portable fashion
     */
    public static byte[] serialize(Object object) {
        if (object == null) {
            return null;
        }
        ByteArrayOutputStream baos = new ByteArrayOutputStream(1024);
        FSTObjectOutput out = null;
        try {
            out = new FSTObjectOutput(baos);
            out.writeObject(object);
        } catch (IOException ex) {
            throw new IllegalArgumentException("FST: Failed to serialize object of type: " + object.getClass(), ex);
        } finally {
            try {
                if (out != null) {
                    out.close();
                }
            } catch (IOException e) {
            }
        }
        return baos.toByteArray();
    }


    /**
     * Deserialize the byte array into an object.
     * 
     * @param bytes a serialized object
     * @return the result of deserializing the bytes
     */
    public static Object deserialize(byte[] bytes) {
        if (bytes == null) {
            return null;
        }
        FSTObjectInput in = null;
        try {
            in = new FSTObjectInput(new ByteArrayInputStream(bytes));
            return in.readObject();
        } catch (IOException ex) {
            throw new IllegalArgumentException("FST: Failed to deserialize object", ex);
        } catch (ClassNotFoundException ex) {
            throw new IllegalStateException("FST: Failed to deserialize object type", ex);
        } finally {
            try {
                if (in != null) {
                    in.close();
                }
            } catch (IOException e) {
            }
        }
    }
}