cn.dev33.satoken.dao.SaTokenDaoRedisJackson Maven / Gradle / Ivy
/*
* Copyright 2020-2099 sa-token.cc
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package cn.dev33.satoken.dao;
import java.lang.reflect.Field;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.LocalTime;
import java.time.format.DateTimeFormatter;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;
import java.util.concurrent.TimeUnit;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.data.redis.serializer.GenericJackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.StringRedisSerializer;
import org.springframework.stereotype.Component;
import com.fasterxml.jackson.databind.DeserializationFeature;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
import com.fasterxml.jackson.datatype.jsr310.deser.LocalDateDeserializer;
import com.fasterxml.jackson.datatype.jsr310.deser.LocalDateTimeDeserializer;
import com.fasterxml.jackson.datatype.jsr310.deser.LocalTimeDeserializer;
import com.fasterxml.jackson.datatype.jsr310.ser.LocalDateSerializer;
import com.fasterxml.jackson.datatype.jsr310.ser.LocalDateTimeSerializer;
import com.fasterxml.jackson.datatype.jsr310.ser.LocalTimeSerializer;
import cn.dev33.satoken.strategy.SaStrategy;
import cn.dev33.satoken.util.SaFoxUtil;
/**
* Sa-Token 持久层实现 [ Redis存储、Jackson序列化 ]
*
* @author click33
* @since 1.34.0
*/
@Component
public class SaTokenDaoRedisJackson implements SaTokenDao {
public static final String DATE_TIME_PATTERN = "yyyy-MM-dd HH:mm:ss";
public static final String DATE_PATTERN = "yyyy-MM-dd";
public static final String TIME_PATTERN = "HH:mm:ss";
public static final DateTimeFormatter DATE_TIME_FORMATTER = DateTimeFormatter.ofPattern(DATE_TIME_PATTERN);
public static final DateTimeFormatter DATE_FORMATTER = DateTimeFormatter.ofPattern(DATE_PATTERN);
public static final DateTimeFormatter TIME_FORMATTER = DateTimeFormatter.ofPattern(TIME_PATTERN);
/**
* ObjectMapper 对象 (以 public 作用域暴露出此对象，方便开发者二次更改配置)
*
* 例如：
*
* SaTokenDaoRedisJackson redisJackson = (SaTokenDaoRedisJackson) SaManager.getSaTokenDao();
* redisJackson.objectMapper.xxx = xxx;
*
*
*/
public ObjectMapper objectMapper;
/**
* String 读写专用
*/
public StringRedisTemplate stringRedisTemplate;
/**
* Object 读写专用
*/
public RedisTemplate objectRedisTemplate;
/**
* 标记：是否已初始化成功
*/
public boolean isInit;
@Autowired
public void init(RedisConnectionFactory connectionFactory) {
// 如果已经初始化成功了，就立刻退出，不重复初始化
if(this.isInit) {
return;
}
// 指定相应的序列化方案
StringRedisSerializer keySerializer = new StringRedisSerializer();
GenericJackson2JsonRedisSerializer valueSerializer = new GenericJackson2JsonRedisSerializer();
// 通过反射获取Mapper对象, 增加一些配置, 增强兼容性
try {
Field field = GenericJackson2JsonRedisSerializer.class.getDeclaredField("mapper");
field.setAccessible(true);
this.objectMapper = (ObjectMapper) field.get(valueSerializer);
// 配置[忽略未知字段]
this.objectMapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
// 配置[时间类型转换]
JavaTimeModule timeModule = new JavaTimeModule();
// LocalDateTime序列化与反序列化
timeModule.addSerializer(new LocalDateTimeSerializer(DATE_TIME_FORMATTER));
timeModule.addDeserializer(LocalDateTime.class, new LocalDateTimeDeserializer(DATE_TIME_FORMATTER));
// LocalDate序列化与反序列化
timeModule.addSerializer(new LocalDateSerializer(DATE_FORMATTER));
timeModule.addDeserializer(LocalDate.class, new LocalDateDeserializer(DATE_FORMATTER));
// LocalTime序列化与反序列化
timeModule.addSerializer(new LocalTimeSerializer(TIME_FORMATTER));
timeModule.addDeserializer(LocalTime.class, new LocalTimeDeserializer(TIME_FORMATTER));
this.objectMapper.registerModule(timeModule);
// 重写 SaSession 生成策略
SaStrategy.instance.createSession = (sessionId) -> new SaSessionForJacksonCustomized(sessionId);
} catch (Exception e) {
System.err.println(e.getMessage());
}
// 构建StringRedisTemplate
StringRedisTemplate stringTemplate = new StringRedisTemplate();
stringTemplate.setConnectionFactory(connectionFactory);
stringTemplate.afterPropertiesSet();
// 构建RedisTemplate
RedisTemplate template = new RedisTemplate<>();
template.setConnectionFactory(connectionFactory);
template.setKeySerializer(keySerializer);
template.setHashKeySerializer(keySerializer);
template.setValueSerializer(valueSerializer);
template.setHashValueSerializer(valueSerializer);
template.afterPropertiesSet();
// 开始初始化相关组件
this.stringRedisTemplate = stringTemplate;
this.objectRedisTemplate = template;
// 打上标记，表示已经初始化成功，后续无需再重新初始化
this.isInit = true;
}
/**
* 获取Value，如无返空
*/
@Override
public String get(String key) {
return stringRedisTemplate.opsForValue().get(key);
}
/**
* 写入Value，并设定存活时间 (单位: 秒)
*/
@Override
public void set(String key, String value, long timeout) {
if(timeout == 0 || timeout <= SaTokenDao.NOT_VALUE_EXPIRE) {
return;
}
// 判断是否为永不过期
if(timeout == SaTokenDao.NEVER_EXPIRE) {
stringRedisTemplate.opsForValue().set(key, value);
} else {
stringRedisTemplate.opsForValue().set(key, value, timeout, TimeUnit.SECONDS);
}
}
/**
* 修修改指定key-value键值对 (过期时间不变)
*/
@Override
public void update(String key, String value) {
long expire = getTimeout(key);
// -2 = 无此键
if(expire == SaTokenDao.NOT_VALUE_EXPIRE) {
return;
}
this.set(key, value, expire);
}
/**
* 删除Value
*/
@Override
public void delete(String key) {
stringRedisTemplate.delete(key);
}
/**
* 获取Value的剩余存活时间 (单位: 秒)
*/
@Override
public long getTimeout(String key) {
return stringRedisTemplate.getExpire(key);
}
/**
* 修改Value的剩余存活时间 (单位: 秒)
*/
@Override
public void updateTimeout(String key, long timeout) {
// 判断是否想要设置为永久
if(timeout == SaTokenDao.NEVER_EXPIRE) {
long expire = getTimeout(key);
if(expire == SaTokenDao.NEVER_EXPIRE) {
// 如果其已经被设置为永久，则不作任何处理
} else {
// 如果尚未被设置为永久，那么再次set一次
this.set(key, this.get(key), timeout);
}
return;
}
stringRedisTemplate.expire(key, timeout, TimeUnit.SECONDS);
}
/**
* 获取Object，如无返空
*/
@Override
public Object getObject(String key) {
return objectRedisTemplate.opsForValue().get(key);
}
/**
* 写入Object，并设定存活时间 (单位: 秒)
*/
@Override
public void setObject(String key, Object object, long timeout) {
if(timeout == 0 || timeout <= SaTokenDao.NOT_VALUE_EXPIRE) {
return;
}
// 判断是否为永不过期
if(timeout == SaTokenDao.NEVER_EXPIRE) {
objectRedisTemplate.opsForValue().set(key, object);
} else {
objectRedisTemplate.opsForValue().set(key, object, timeout, TimeUnit.SECONDS);
}
}
/**
* 更新Object (过期时间不变)
*/
@Override
public void updateObject(String key, Object object) {
long expire = getObjectTimeout(key);
// -2 = 无此键
if(expire == SaTokenDao.NOT_VALUE_EXPIRE) {
return;
}
this.setObject(key, object, expire);
}
/**
* 删除Object
*/
@Override
public void deleteObject(String key) {
objectRedisTemplate.delete(key);
}
/**
* 获取Object的剩余存活时间 (单位: 秒)
*/
@Override
public long getObjectTimeout(String key) {
return objectRedisTemplate.getExpire(key);
}
/**
* 修改Object的剩余存活时间 (单位: 秒)
*/
@Override
public void updateObjectTimeout(String key, long timeout) {
// 判断是否想要设置为永久
if(timeout == SaTokenDao.NEVER_EXPIRE) {
long expire = getObjectTimeout(key);
if(expire == SaTokenDao.NEVER_EXPIRE) {
// 如果其已经被设置为永久，则不作任何处理
} else {
// 如果尚未被设置为永久，那么再次set一次
this.setObject(key, this.getObject(key), timeout);
}
return;
}
objectRedisTemplate.expire(key, timeout, TimeUnit.SECONDS);
}
/**
* 搜索数据
*/
@Override
public List searchData(String prefix, String keyword, int start, int size, boolean sortType) {
Set keys = stringRedisTemplate.keys(prefix + "*" + keyword + "*");
List list = new ArrayList<>(keys);
return SaFoxUtil.searchList(list, start, size, sortType);
}
}
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