package com.genersoft.iot.vmp.utils;
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import org.springframework.data.redis.core.RedisTemplate;
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import java.util.Objects;
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/**
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* JsonUtil
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*
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* @author KunLong-Luo
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* @version 1.0.0
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* @since 2023/2/2 15:24
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*/
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public final class JsonUtil {
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private JsonUtil() {
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}
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/**
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* safe json type conversion
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*
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* @param key redis key
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* @param clazz cast type
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* @param <T>
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* @return result type
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*/
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public static <T> T redisJsonToObject(RedisTemplate<Object, Object> redisTemplate, String key, Class<T> clazz) {
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Object jsonObject = redisTemplate.opsForValue().get(key);
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if (Objects.isNull(jsonObject)) {
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return null;
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}
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return clazz.cast(jsonObject);
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}
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}
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