com.gitee.baa.jsons

类 Jsons

java.lang.Object

com.gitee.baa.jsons.Jsons

public class Jsons
extends Object

Json 工具集

从以下版本开始:

2020/6/23

作者:

deacon

字段概要

字段

限定符和类型	字段和说明
static String	DEFAULT_DATE_FORMAT 默认日期格式
static String	DEFAULT_DATE_TIME_FORMAT 默认日期时间格式
static String	DEFAULT_TIME_FORMAT 默认时间格式
(专用程序包) static com.fasterxml.jackson.databind.ObjectMapper	objectMapper

构造器概要

构造器

构造器和说明
Jsons()

方法概要

限定符和类型	方法和说明
static <T> T	copy(Object object, Class<T> toClass)
static <T> T	copy(T object)
static String	defaultArrayJson(Object object)
static String	defaultObjectJson(Object object)
static <T> T	fromJson(byte[] bs, Class<T> valueType)
static <T> T	fromJson(Map<String,Object> map, Class<T> classType)
static <T> T	fromJson(String content, Class<T> valueType) 反序列化对象
static <T> T	fromJson(String content, com.fasterxml.jackson.core.type.TypeReference valueTypeRef)
static <T> List<T>	fromJsonAsList(byte[] bs)
static <T> List<T>	fromJsonAsList(String content)
static <T> List<T>	fromJsonAsList(String content, Class<T> elementClass) 序列化列表对象
static Map<String,Object>	fromJsonAsMap(byte[] bs)
static Map<String,Object>	fromJsonAsMap(String content)
static com.fasterxml.jackson.databind.ObjectMapper	getObjectMapper()
static com.fasterxml.jackson.databind.JsonNode	parse(String content)
private static <T> T	runas(Callable<T> call)
static byte[]	toBytes(Object obj)
static String	toIndentJson(Object object)
static String	toJson(Object object)
static void	toOutputStream(Object value, OutputStream out)

从类继承的方法 java.lang.Object

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

字段详细资料

DEFAULT_DATE_FORMAT

public static final String DEFAULT_DATE_FORMAT

默认日期格式

另请参阅:

常量字段值

DEFAULT_DATE_TIME_FORMAT

public static final String DEFAULT_DATE_TIME_FORMAT

默认日期时间格式

另请参阅:

常量字段值

DEFAULT_TIME_FORMAT

public static final String DEFAULT_TIME_FORMAT

默认时间格式

另请参阅:

常量字段值

objectMapper

static final com.fasterxml.jackson.databind.ObjectMapper objectMapper

构造器详细资料

Jsons

public Jsons()

方法详细资料

fromJson

public static <T> T fromJson(byte[] bs,
                             Class<T> valueType)

fromJson

public static <T> T fromJson(Map<String,Object> map,
                             Class<T> classType)

fromJson

public static <T> T fromJson(String content,
                             Class<T> valueType)

反序列化对象

参数:

content - 内容

valueType - 对象类型

返回:

实例化对象

抛出:

RuntimeException - 如果解析失败

NullPointerException - 如果content是null

从以下版本开始:

2019-08-01

fromJson

public static <T> T fromJson(String content,
                             com.fasterxml.jackson.core.type.TypeReference valueTypeRef)

fromJsonAsList

public static <T> List<T> fromJsonAsList(byte[] bs)

fromJsonAsList

public static <T> List<T> fromJsonAsList(String content)

fromJsonAsList

public static <T> List<T> fromJsonAsList(String content,
                                         Class<T> elementClass)

序列化列表对象

参数:

content - json字符串

elementClass - 列表对象类型

返回:

List 对象

抛出:

IOException - 解析异常

fromJsonAsMap

public static Map<String,Object> fromJsonAsMap(byte[] bs)

fromJsonAsMap

public static Map<String,Object> fromJsonAsMap(String content)

getObjectMapper

public static com.fasterxml.jackson.databind.ObjectMapper getObjectMapper()

parse

public static com.fasterxml.jackson.databind.JsonNode parse(String content)
                                                     throws IOException

抛出:

IOException

runas

private static <T> T runas(Callable<T> call)

toBytes

public static byte[] toBytes(Object obj)
                      throws IOException

抛出:

IOException

toJson

public static String toJson(Object object)

defaultObjectJson

public static String defaultObjectJson(Object object)

defaultArrayJson

public static String defaultArrayJson(Object object)

toIndentJson

public static String toIndentJson(Object object)

copy

public static <T> T copy(T object)

copy

public static <T> T copy(Object object,
                         Class<T> toClass)

toOutputStream

public static void toOutputStream(Object value,
                                  OutputStream out)
                           throws IOException

抛出:

IOException