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    • com.rustknife.jknife.cache.ObjectRedisSerializer Maven / Gradle / Ivy

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    package com.rustknife.jknife.cache;

import org.springframework.data.redis.serializer.RedisSerializer;
import org.springframework.data.redis.serializer.SerializationException;

import java.io.*;

/**
 * description
 *
 * @author yoke
 * @version v1.0
 * @since 2020-10-16
 */
public class ObjectRedisSerializer implements RedisSerializer {

    public static final int BYTE_ARRAY_OUTPUT_STREAM_SIZE = 128;

    @Override
    public byte[] serialize(Object object) throws SerializationException {
        byte[] result = new byte[0];

        if (object == null) {
            return result;
        }
        ByteArrayOutputStream byteStream = new ByteArrayOutputStream(BYTE_ARRAY_OUTPUT_STREAM_SIZE);
        if (!(object instanceof Serializable)) {
            throw new SerializationException("requires a Serializable payload "
                    + "but received an object of type [" + object.getClass().getName() + "]");
        }
        try {
            ObjectOutputStream objectOutputStream = new ObjectOutputStream(byteStream);
            objectOutputStream.writeObject(object);
            objectOutputStream.flush();
            result =  byteStream.toByteArray();
        } catch (IOException e) {
            throw new SerializationException("serialize error, object=" + object, e);
        }

        return result;
    }

    @Override
    public Object deserialize(byte[] bytes) throws SerializationException {

        if (bytes == null || bytes.length == 0) {
            return null;
        }

        try {
            ByteArrayInputStream byteStream = new ByteArrayInputStream(bytes);
            ObjectInputStream objectInputStream = new MultiClassLoaderObjectInputStream(byteStream);
            return objectInputStream.readObject();
        } catch (IOException | ClassNotFoundException e) {
            throw new SerializationException("deserialize error", e);
        }
    }
}
    
    
    
    

    




    
    
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