org.dromara.hutool.json.serialize.GlobalSerializeMapping Maven / Gradle / Ivy
/*
* Copyright (c) 2013-2024 Hutool Team and hutool.cn
*
* 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 org.dromara.hutool.json.serialize;
import org.dromara.hutool.core.map.concurrent.SafeConcurrentHashMap;
import org.dromara.hutool.core.reflect.NullType;
import org.dromara.hutool.core.util.ObjUtil;
import org.dromara.hutool.json.JSON;
import java.lang.reflect.Type;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.LocalTime;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
/**
* 全局的序列化和反序列化器映射
* 在JSON和Java对象转换过程中，优先使用注册于此处的自定义转换
* 分别定义{@link JSONObjectSerializer}和{@link JSONArraySerializer}的原因是，实际加入对象到JSON中时，无法区分是JSONObject还是JSONArray
*
* @author Looly
*/
public class GlobalSerializeMapping {
private static Map> serializerMap;
private static Map> deserializerMap;
static {
serializerMap = new SafeConcurrentHashMap<>();
deserializerMap = new SafeConcurrentHashMap<>();
final TemporalAccessorSerializer localDateSerializer = new TemporalAccessorSerializer(LocalDate.class);
serializerMap.put(LocalDate.class, localDateSerializer);
deserializerMap.put(LocalDate.class, localDateSerializer);
final TemporalAccessorSerializer localDateTimeSerializer = new TemporalAccessorSerializer(LocalDateTime.class);
serializerMap.put(LocalDateTime.class, localDateTimeSerializer);
deserializerMap.put(LocalDateTime.class, localDateTimeSerializer);
final TemporalAccessorSerializer localTimeSerializer = new TemporalAccessorSerializer(LocalTime.class);
serializerMap.put(LocalTime.class, localTimeSerializer);
deserializerMap.put(LocalTime.class, localTimeSerializer);
}
/**
* 加入自定义的JSONArray序列化器
*
* @param type 对象类型
* @param serializer 序列化器实现
*/
public static void putSerializer(final Type type, final JSONArraySerializer serializer) {
putInternal(type, serializer);
}
/**
* 加入自定义的JSONObject序列化器
*
* @param type 对象类型
* @param serializer 序列化器实现
*/
public static void putSerializer(final Type type, final JSONObjectSerializer serializer) {
putInternal(type, serializer);
}
/**
* 加入自定义的反序列化器
*
* @param type 对象类型
* @param deserializer 反序列化器实现
*/
synchronized public static void putDeserializer(final Type type, final JSONDeserializer deserializer) {
if (null == deserializerMap) {
deserializerMap = new ConcurrentHashMap<>();
}
deserializerMap.put(ObjUtil.defaultIfNull(type, NullType.INSTANCE), deserializer);
}
/**
* 获取自定义的序列化器，如果未定义返回{@code null}
*
* @param type 类型
* @return 自定义的序列化器或者{@code null}
*/
public static JSONSerializer getSerializer(final Type type) {
if (null == serializerMap || null == type) {
return null;
}
return serializerMap.get(ObjUtil.defaultIfNull(type, NullType.INSTANCE));
}
/**
* 获取自定义的反序列化器，如果未定义返回{@code null}
*
* @param type 类型
* @return 自定义的反序列化器或者{@code null}
*/
public static JSONDeserializer getDeserializer(final Type type) {
if (null == deserializerMap || null == type) {
return null;
}
return deserializerMap.get(ObjUtil.defaultIfNull(type, NullType.INSTANCE));
}
/**
* 加入自定义的序列化器
*
* @param type 对象类型
* @param serializer 序列化器实现
*/
synchronized private static void putInternal(final Type type, final JSONSerializer serializer) {
if (null == serializerMap) {
serializerMap = new ConcurrentHashMap<>();
}
serializerMap.put(ObjUtil.defaultIfNull(type, NullType.INSTANCE), serializer);
}
}