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    • com.github.rxyor.spring.boot.redisson.FastJsonCodec Maven / Gradle / Ivy

    There is a newer version: 1.0.14.17
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    package com.github.rxyor.spring.boot.redisson;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.serializer.SerializerFeature;
import com.github.rxyor.common.util.string.CharSequenceUtil;
import io.netty.buffer.ByteBufAllocator;
import io.netty.buffer.ByteBufUtil;
import java.nio.CharBuffer;
import java.nio.charset.Charset;
import org.redisson.client.codec.BaseCodec;
import org.redisson.client.protocol.Decoder;
import org.redisson.client.protocol.Encoder;

/**
 *
    
 *
 *
    
 *
 * @author liuyang
 * @date 2019/12/31 周二 00:13:00
 * @since 1.0.0
 */
public class FastJsonCodec extends BaseCodec {

    public static final FastJsonCodec INSTANCE = new FastJsonCodec();

    private final Encoder encoder = in -> {
        String json = JSON.toJSONString(in, SerializerFeature.WriteClassName,
            SerializerFeature.DisableCircularReferenceDetect);
        CharBuffer charBuffer = CharBuffer.wrap(CharSequenceUtil.string2CharArray(json));
        return ByteBufUtil.encodeString(ByteBufAllocator.DEFAULT, charBuffer, Charset.forName("utf-8"));
    };

    private final Decoder decoder = (buf, state) -> {
        byte[] dst = new byte[buf.capacity()];
        buf.readBytes(dst);
        String json = bytes2String(dst);
        return JSON.parse(json);
    };

    @Override
    public Encoder getValueEncoder() {
        return encoder;
    }

    @Override
    public Decoder getValueDecoder() {
        return decoder;
    }

    private String bytes2String(byte[] bytes) {
        return (bytes == null || bytes.length == 0) ? null : new String(bytes, Charset.forName("utf-8"));
    }
}
    
    
    
    

    




    
    
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