top.xiajibagao.crane.jackson.impl.helper

类 JacksonUtils

java.lang.Object

top.xiajibagao.crane.jackson.impl.helper.JacksonUtils

public class JacksonUtils
extends Object

作者:

huangchengxing

方法概要

限定符和类型	方法和说明
static String	beanToJson(Object target) 对象转json字符串
static String	beanToJson(com.fasterxml.jackson.databind.ObjectMapper objectMapper, Object target) 对象转json字符串
static com.fasterxml.jackson.databind.JsonNode	beanToTree(Object target) 对象转jsonNode
static com.fasterxml.jackson.databind.JsonNode	beanToTree(com.fasterxml.jackson.databind.ObjectMapper objectMapper, Object target) 对象转jsonNode
static com.fasterxml.jackson.databind.JsonNode	findNode(com.fasterxml.jackson.databind.JsonNode source, String nodeName) 获取节点
static List<com.fasterxml.jackson.databind.JsonNode>	findNodes(com.fasterxml.jackson.databind.JsonNode source, Collection<String> nodeNames) 获取非空节点
static <T> T	getBeanByPath(com.fasterxml.jackson.databind.ObjectMapper objectMapper, T target, String jsonPath)
static boolean	isNodeAndNotNull(Object node) 该节点是否为JsonNode且不为null节点
static boolean	isNotNodeOrNull(Object node) 该对象为null，或不为JsonNode，或者为JsonNode但是为null节点
static boolean	isNotNull(com.fasterxml.jackson.databind.JsonNode node) 节点是否不为null
static boolean	isNull(com.fasterxml.jackson.databind.JsonNode node) 节点是否为null
static <T> T	jsonToBean(com.fasterxml.jackson.databind.ObjectMapper objectMapper, String json, Class<T> target) json转对象
static <T> T	jsonToBean(String json, Class<T> target) json转对象
static <T> List<T>	jsonToList(com.fasterxml.jackson.databind.ObjectMapper objectMapper, String json) json转对象集合
static <T> List<T>	jsonToList(String json) json转对象集合
static String	translatePropertyName(com.fasterxml.jackson.databind.ObjectMapper objectMapper, String defName) 根据objectMapper配置序列化参数

从类继承的方法 java.lang.Object

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

方法详细资料

getBeanByPath

public static <T> T getBeanByPath(com.fasterxml.jackson.databind.ObjectMapper objectMapper,
                                  T target,
                                  String jsonPath)

beanToTree

public static com.fasterxml.jackson.databind.JsonNode beanToTree(Object target)

对象转jsonNode

参数:

target - 对象

返回:

com.fasterxml.jackson.databind.JsonNode

beanToTree

public static com.fasterxml.jackson.databind.JsonNode beanToTree(com.fasterxml.jackson.databind.ObjectMapper objectMapper,
                                                                 Object target)

对象转jsonNode

参数:

objectMapper - objectMapper

target - 对象

返回:

com.fasterxml.jackson.databind.JsonNode

beanToJson

public static String beanToJson(com.fasterxml.jackson.databind.ObjectMapper objectMapper,
                                Object target)

对象转json字符串

参数:

objectMapper - objectMapper

target - 对象

返回:

java.lang.String

beanToJson

public static String beanToJson(Object target)

对象转json字符串

参数:

target - 对象

返回:

java.lang.String

jsonToBean

public static <T> T jsonToBean(com.fasterxml.jackson.databind.ObjectMapper objectMapper,
                               String json,
                               Class<T> target)

json转对象

参数:

objectMapper - objectMapper

json - json字符串

target - 对象

返回:

T

jsonToBean

public static <T> T jsonToBean(String json,
                               Class<T> target)

json转对象

参数:

json - json字符串

target - 对象

返回:

T

jsonToList

public static <T> List<T> jsonToList(com.fasterxml.jackson.databind.ObjectMapper objectMapper,
                                     String json)

json转对象集合

参数:

objectMapper - objectMapper

json - json字符串

返回:

java.util.List

jsonToList

public static <T> List<T> jsonToList(String json)

json转对象集合

参数:

json - json字符串

返回:

java.util.List

translatePropertyName

public static String translatePropertyName(com.fasterxml.jackson.databind.ObjectMapper objectMapper,
                                           String defName)

根据objectMapper配置序列化参数

参数:

objectMapper - objectMapper

defName - 默认属性名

返回:

java.lang.String

isNotNull

public static boolean isNotNull(com.fasterxml.jackson.databind.JsonNode node)

节点是否不为null

参数:

node - 节点

返回:

boolean

isNull

public static boolean isNull(com.fasterxml.jackson.databind.JsonNode node)

节点是否为null

参数:

node - 节点

返回:

boolean

isNodeAndNotNull

public static boolean isNodeAndNotNull(Object node)

该节点是否为JsonNode且不为null节点

参数:

node - 节点

返回:

boolean

isNotNodeOrNull

public static boolean isNotNodeOrNull(Object node)

该对象为null，或不为JsonNode，或者为JsonNode但是为null节点

参数:

node - 节点

返回:

boolean

findNodes

@NonNull
public static List<com.fasterxml.jackson.databind.JsonNode> findNodes(com.fasterxml.jackson.databind.JsonNode source,
                                                                                Collection<String> nodeNames)

获取非空节点

参数:

source - 根节点

nodeNames - 节点名称

返回:

java.util.List

findNode

@Nullable
public static com.fasterxml.jackson.databind.JsonNode findNode(com.fasterxml.jackson.databind.JsonNode source,
                                                                          String nodeName)

获取节点

参数:

source - 根节点

nodeName - 节点名称

返回:

com.fasterxml.jackson.databind.JsonNode 目标节点，若节点不存在或节点为null节点时返回null