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    • org.crazycake.shiro.serializer.ObjectSerializer Maven / Gradle / Ivy

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    shiro only provide the support of ehcache and concurrentHashMap. Here is an implement of redis cache can be used by shiro. Hope it will help you!

    The newest version!
    package org.crazycake.shiro.serializer;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;

import org.crazycake.shiro.exception.SerializationException;

public class ObjectSerializer 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 {
        Object result = null;

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

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

        return result;
    }
}
    
    
    
    

    




    
    
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