org.dromara.hutool.json.engine.jackson

Class JacksonEngine

java.lang.Object

org.dromara.hutool.json.engine.AbstractJSONEngine

org.dromara.hutool.json.engine.jackson.JacksonEngine

All Implemented Interfaces:

Wrapper<com.fasterxml.jackson.databind.ObjectMapper>, JSONEngine

public class JacksonEngine
extends AbstractJSONEngine
implements Wrapper<com.fasterxml.jackson.databind.ObjectMapper>

Jackson引擎

Author:

Looly

Field Summary

Fields inherited from class org.dromara.hutool.json.engine.AbstractJSONEngine

config

Constructor Summary

Constructors

Constructor and Description
JacksonEngine() 构造

Method Summary

Modifier and Type	Method and Description
<T> T	deserialize(Reader reader, Object type) 解析JSON数据（反序列化），用于从Reader中读取JSON字符串，转换为Bean对象 type此处定义为Object，因为不同引擎对Type的定义不同，尤其是出现泛型定义时，需要传入引擎自身实现的TypeReference
com.fasterxml.jackson.databind.ObjectMapper	getRaw() 获取Jackson的ObjectMapper对象
protected void	initEngine() 初始化引擎，实现逻辑中如果初始化完成，不再重新初始化
protected void	reset() 重置引擎
void	serialize(Object bean, OutputStream out) 生成JSON数据（序列化），用于将指定的Bean对象通过Writer写出为JSON字符串
String	toJsonString(Object bean) 将Java Bean（POJO）对象转换为JSON字符串

Methods inherited from class org.dromara.hutool.json.engine.AbstractJSONEngine

init

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.dromara.hutool.json.engine.JSONEngine

fromJsonString

Constructor Detail

JacksonEngine

public JacksonEngine()

构造

Method Detail

getRaw

public com.fasterxml.jackson.databind.ObjectMapper getRaw()

获取Jackson的ObjectMapper对象

Specified by:

getRaw in interface Wrapper<com.fasterxml.jackson.databind.ObjectMapper>

Returns:

ObjectMapper对象

serialize

public void serialize(Object bean,
                      OutputStream out)

Description copied from interface: JSONEngine

生成JSON数据（序列化），用于将指定的Bean对象通过Writer写出为JSON字符串

Specified by:

serialize in interface JSONEngine

Parameters:

bean - Java Bean（POJO）对象

out - 写出到的OutputStream

toJsonString

public String toJsonString(Object bean)

Description copied from interface: JSONEngine

将Java Bean（POJO）对象转换为JSON字符串

Specified by:

toJsonString in interface JSONEngine

Parameters:

bean - Java Bean（POJO）对象

Returns:

JSON字符串

deserialize

public <T> T deserialize(Reader reader,
                         Object type)

Description copied from interface: JSONEngine

解析JSON数据（反序列化），用于从Reader中读取JSON字符串，转换为Bean对象
type此处定义为Object，因为不同引擎对Type的定义不同，尤其是出现泛型定义时，需要传入引擎自身实现的TypeReference

Specified by:

deserialize in interface JSONEngine

Type Parameters:

T - Java Bean对象类型

Parameters:

reader - 读取JSON的Reader

type - Java Bean（POJO）对象类型，可以为Class<T>或者TypeReference

Returns:

Java Bean（POJO）对象

reset

protected void reset()

Description copied from class: AbstractJSONEngine

重置引擎

Specified by:

reset in class AbstractJSONEngine

initEngine

protected void initEngine()

Description copied from class: AbstractJSONEngine

初始化引擎，实现逻辑中如果初始化完成，不再重新初始化

Specified by:

initEngine in class AbstractJSONEngine