/* * Copyright (c) 2018-2028, DreamLu All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * Neither the name of the dreamlu.net developer nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * Author: DreamLu 卢春梦 (596392912@qq.com) */ package org.springblade.core.redis.serializer; import org.springframework.cache.interceptor.SimpleKey; import org.springframework.core.convert.ConversionService; import org.springframework.core.convert.support.DefaultConversionService; import org.springframework.data.redis.serializer.RedisSerializer; import java.nio.charset.Charset; import java.nio.charset.StandardCharsets; import java.util.Objects; /** * 将redis key序列化为字符串 * *

* spring cache中的简单基本类型直接使用 StringRedisSerializer 会有问题 *

* * @author L.cm */ public class RedisKeySerializer implements RedisSerializer { private final Charset charset; private final ConversionService converter; public RedisKeySerializer() { this(StandardCharsets.UTF_8); } public RedisKeySerializer(Charset charset) { Objects.requireNonNull(charset, "Charset must not be null"); this.charset = charset; this.converter = DefaultConversionService.getSharedInstance(); } @Override public Object deserialize(byte[] bytes) { // redis keys 会用到反序列化 if (bytes == null) { return null; } return new String(bytes, charset); } @Override public byte[] serialize(Object object) { Objects.requireNonNull(object, "redis key is null"); String key; if (object instanceof SimpleKey) { key = ""; } else if (object instanceof String) { key = (String) object; } else { key = converter.convert(object, String.class); } return key.getBytes(this.charset); } }