52 lines
1.5 KiB
Java
52 lines
1.5 KiB
Java
package com.yyh.common.redis.configure;
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import com.alibaba.fastjson2.JSON;
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import com.alibaba.fastjson2.JSONReader;
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import com.alibaba.fastjson2.JSONWriter;
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import com.alibaba.fastjson2.filter.Filter;
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import org.springframework.data.redis.serializer.RedisSerializer;
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import org.springframework.data.redis.serializer.SerializationException;
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import java.nio.charset.Charset;
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/**
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* Redis使用FastJson序列化
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*
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* @author couplet
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*/
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public class FastJson2JsonRedisSerializer<T> implements RedisSerializer<T> {
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public static final Charset DEFAULT_CHARSET = Charset.forName("UTF-8");
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/**
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* 自动识别json对象白名单配置（仅允许解析的包名，范围越小越安全）
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*/
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public static final String[] JSON_WHITELIST_STR = {"org.springframework", "com.couplet"};
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static final Filter AUTO_TYPE_FILTER = JSONReader.autoTypeFilter(JSON_WHITELIST_STR);
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private Class<T> clazz;
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public FastJson2JsonRedisSerializer (Class<T> clazz) {
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super();
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this.clazz = clazz;
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}
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@Override
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public byte[] serialize (T t) throws SerializationException {
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if (t == null) {
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return new byte[0];
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}
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return JSON.toJSONString(t, JSONWriter.Feature.WriteClassName).getBytes(DEFAULT_CHARSET);
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}
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@Override
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public T deserialize (byte[] bytes) throws SerializationException {
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if (bytes == null || bytes.length <= 0) {
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return null;
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}
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String str = new String(bytes, DEFAULT_CHARSET);
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return JSON.parseObject(str, clazz, AUTO_TYPE_FILTER);
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}
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}
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