JacksonUtils (nacos-common 1.4.4 1.4.4 API)

java.lang.Object
- com.alibaba.nacos.common.utils.JacksonUtils

```
public final class JacksonUtils
extends Object
```
Json utils implement by Jackson.

作者:

liaochuntao

构造器概要

构造器
构造器和说明

JacksonUtils()

构造器
构造器和说明
`JacksonUtils()`

方法概要

所有方法静态方法具体方法
限定符和类型	方法和说明
`static com.fasterxml.jackson.databind.JavaType`	`constructJavaType(Type type)` construct java type -> Jackson Java Type.
`static com.fasterxml.jackson.databind.node.ArrayNode`	`createEmptyArrayNode()` Create a new empty Jackson `ArrayNode`.
`static com.fasterxml.jackson.databind.node.ObjectNode`	`createEmptyJsonNode()` Create a new empty Jackson `ObjectNode`.
`static void`	`registerSubtype(Class<?> clz, String type)` Register sub type for child class.
`static String`	`toJson(Object obj)` Object to json string.
`static byte[]`	`toJsonBytes(Object obj)` Object to json string byte array.
`static <T> T`	`toObj(byte[] json, Class<T> cls)` Json string deserialize to Object.
`static <T> T`	`toObj(byte[] json, Type cls)` Json string deserialize to Object.
`static <T> T`	`toObj(byte[] json, com.fasterxml.jackson.core.type.TypeReference<T> typeReference)` Json string deserialize to Object.
`static <T> T`	`toObj(InputStream inputStream, Class<T> cls)` Json string deserialize to Object.
`static <T> T`	`toObj(InputStream inputStream, Type type)` Json string deserialize to Object.
`static com.fasterxml.jackson.databind.JsonNode`	`toObj(String json)` Json string deserialize to Jackson `JsonNode`.
`static <T> T`	`toObj(String json, Class<T> cls)` Json string deserialize to Object.
`static <T> T`	`toObj(String json, Type type)` Json string deserialize to Object.
`static <T> T`	`toObj(String json, com.fasterxml.jackson.core.type.TypeReference<T> typeReference)` Json string deserialize to Object.
`static com.fasterxml.jackson.databind.JsonNode`	`transferToJsonNode(Object obj)` Parse object to Jackson `JsonNode`.

从类继承的方法 java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- 构造器详细资料
  - JacksonUtils
```
public JacksonUtils()
```
- 方法详细资料
  - toJson
```
public static String toJson(Object obj)
```
    Object to json string.
    
    参数:
    
    obj - obj
    
    返回:
    
    json string
    
    抛出:
    
    NacosSerializationException - if transfer failed
  - toJsonBytes
```
public static byte[] toJsonBytes(Object obj)
```
    Object to json string byte array.
    
    参数:
    
    obj - obj
    
    返回:
    
    json string byte array
    
    抛出:
    
    NacosSerializationException - if transfer failed
  - toObj
```
public static <T> T toObj(byte[] json,
                          Class<T> cls)
```
    Json string deserialize to Object.
    
    类型参数:
    
    T - General type
    
    参数:
    
    json - json string
    
    cls - class of object
    
    返回:
    
    object
    
    抛出:
    
    NacosDeserializationException - if deserialize failed
  - toObj
```
public static <T> T toObj(byte[] json,
                          Type cls)
```
    Json string deserialize to Object.
    
    类型参数:
    
    T - General type
    
    参数:
    
    json - json string
    
    cls - Type of object
    
    返回:
    
    object
    
    抛出:
    
    NacosDeserializationException - if deserialize failed
  - toObj
```
public static <T> T toObj(InputStream inputStream,
                          Class<T> cls)
```
    Json string deserialize to Object.
    
    类型参数:
    
    T - General type
    
    参数:
    
    inputStream - json string input stream
    
    cls - class of object
    
    返回:
    
    object
    
    抛出:
    
    NacosDeserializationException - if deserialize failed
  - toObj
```
public static <T> T toObj(byte[] json,
                          com.fasterxml.jackson.core.type.TypeReference<T> typeReference)
```
    Json string deserialize to Object.
    
    类型参数:
    
    T - General type
    
    参数:
    
    json - json string byte array
    
    typeReference - TypeReference of object
    
    返回:
    
    object
    
    抛出:
    
    NacosDeserializationException - if deserialize failed
  - toObj
```
public static <T> T toObj(String json,
                          Class<T> cls)
```
    Json string deserialize to Object.
    
    类型参数:
    
    T - General type
    
    参数:
    
    json - json string
    
    cls - class of object
    
    返回:
    
    object
    
    抛出:
    
    NacosDeserializationException - if deserialize failed
  - toObj
```
public static <T> T toObj(String json,
                          Type type)
```
    Json string deserialize to Object.
    
    类型参数:
    
    T - General type
    
    参数:
    
    json - json string
    
    type - Type of object
    
    返回:
    
    object
    
    抛出:
    
    NacosDeserializationException - if deserialize failed
  - toObj
```
public static <T> T toObj(String json,
                          com.fasterxml.jackson.core.type.TypeReference<T> typeReference)
```
    Json string deserialize to Object.
    
    类型参数:
    
    T - General type
    
    参数:
    
    json - json string
    
    typeReference - TypeReference of object
    
    返回:
    
    object
    
    抛出:
    
    NacosDeserializationException - if deserialize failed
  - toObj
```
public static <T> T toObj(InputStream inputStream,
                          Type type)
```
    Json string deserialize to Object.
    
    类型参数:
    
    T - General type
    
    参数:
    
    inputStream - json string input stream
    
    type - Type of object
    
    返回:
    
    object
    
    抛出:
    
    NacosDeserializationException - if deserialize failed
  - toObj
```
public static com.fasterxml.jackson.databind.JsonNode toObj(String json)
```
    Json string deserialize to Jackson JsonNode.
    
    参数:
    
    json - json string
    
    返回:
    
    JsonNode
    
    抛出:
    
    NacosDeserializationException - if deserialize failed
  - registerSubtype
```
public static void registerSubtype(Class<?> clz,
                                   String type)
```
    Register sub type for child class.
    
    参数:
    
    clz - child class
    
    type - type name of child class
  - createEmptyJsonNode
```
public static com.fasterxml.jackson.databind.node.ObjectNode createEmptyJsonNode()
```
    Create a new empty Jackson ObjectNode.
    
    返回:
    
    ObjectNode
  - createEmptyArrayNode
```
public static com.fasterxml.jackson.databind.node.ArrayNode createEmptyArrayNode()
```
    Create a new empty Jackson ArrayNode.
    
    返回:
    
    ArrayNode
  - transferToJsonNode
```
public static com.fasterxml.jackson.databind.JsonNode transferToJsonNode(Object obj)
```
    Parse object to Jackson JsonNode.
    
    参数:
    
    obj - object
    
    返回:
    
    JsonNode
  - constructJavaType
```
public static com.fasterxml.jackson.databind.JavaType constructJavaType(Type type)
```
    construct java type -> Jackson Java Type.
    
    参数:
    
    type - java type
    
    返回:
    
    JavaType JavaType

类 JacksonUtils

构造器概要

方法概要

从类继承的方法 java.lang.Object

构造器详细资料

JacksonUtils

方法详细资料

toJson

toJsonBytes

toObj

toObj

toObj

toObj

toObj

toObj

toObj

toObj

toObj

registerSubtype

createEmptyJsonNode

createEmptyArrayNode

transferToJsonNode

constructJavaType