com.baidubce.util

Class JsonUtils

java.lang.Object

com.baidubce.util.JsonUtils

public class JsonUtils
extends Object

JsonUtils for Serialization and deserialization of JSON

Constructor Summary

Constructors

Constructor and Description
JsonUtils()

Method Summary

Modifier and Type	Method and Description
static <T> T	fromJsonString(String json, Class<T> clazz) Returns the deserialized object from the given json string and target class; or null if the given json string is null.
static com.fasterxml.jackson.databind.ObjectMapper	getObjectMapper()
static com.fasterxml.jackson.databind.ObjectWriter	getPrettywriter()
static com.fasterxml.jackson.databind.ObjectWriter	getWriter()
static com.fasterxml.jackson.core.JsonGenerator	jsonGeneratorOf(Writer writer)
static com.fasterxml.jackson.databind.JsonNode	jsonNodeOf(String json)
static void	load(InputStream input, Object obj)
static <T> T	loadFrom(File file, Class<T> clazz)
static <T> T	loadFrom(InputStream input, Class<T> clazz)
static String	toJsonPrettyString(Object value)
static String	toJsonString(Object value)
static String	toJsonStringWithRootName(Object value) Serialization of object

Methods inherited from class java.lang.Object

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

Constructor Detail

JsonUtils

public JsonUtils()

Method Detail

toJsonPrettyString

public static String toJsonPrettyString(Object value)
                                 throws com.fasterxml.jackson.core.JsonProcessingException

Throws:

com.fasterxml.jackson.core.JsonProcessingException

toJsonString

public static String toJsonString(Object value)

toJsonStringWithRootName

public static String toJsonStringWithRootName(Object value)

Serialization of object

Parameters:

value - the object need Serialize

Returns:

json string include object name

fromJsonString

public static <T> T fromJsonString(String json,
                                   Class<T> clazz)

Returns the deserialized object from the given json string and target class; or null if the given json string is null.

jsonNodeOf

public static com.fasterxml.jackson.databind.JsonNode jsonNodeOf(String json)

jsonGeneratorOf

public static com.fasterxml.jackson.core.JsonGenerator jsonGeneratorOf(Writer writer)
                                                                throws IOException

Throws:

IOException

loadFrom

public static <T> T loadFrom(File file,
                             Class<T> clazz)
                      throws IOException

Throws:

IOException

load

public static void load(InputStream input,
                        Object obj)
                 throws IOException,
                        com.fasterxml.jackson.core.JsonProcessingException

Throws:

IOException

com.fasterxml.jackson.core.JsonProcessingException

loadFrom

public static <T> T loadFrom(InputStream input,
                             Class<T> clazz)
                      throws com.fasterxml.jackson.core.JsonParseException,
                             com.fasterxml.jackson.databind.JsonMappingException,
                             IOException

Throws:

com.fasterxml.jackson.core.JsonParseException

com.fasterxml.jackson.databind.JsonMappingException

IOException

getObjectMapper

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

getWriter

public static com.fasterxml.jackson.databind.ObjectWriter getWriter()

getPrettywriter

public static com.fasterxml.jackson.databind.ObjectWriter getPrettywriter()