com.spikeify.taskqueue.utils

Class JsonUtils

java.lang.Object

com.spikeify.taskqueue.utils.JsonUtils

public final class JsonUtils
extends Object

Method Summary

Modifier and Type	Method and Description
static <T> T	convert(Object object, Class<T> valueType)
static <T> T	convert(Object object, com.fasterxml.jackson.core.type.TypeReference<T> reference)
static <T> T	fromJson(String json, Class<T> valueType) Transforms String to JSON object
static <T> T	fromJson(String json, Class<T> valueType, com.fasterxml.jackson.databind.ObjectMapper mapper) Allows de-serialization with custom mapping
static <T> T	fromJson(String json, com.fasterxml.jackson.core.type.TypeReference<T> reference)
static <T> T	fromJson(String json, com.fasterxml.jackson.core.type.TypeReference<T> reference, com.fasterxml.jackson.databind.ObjectMapper mapper) Allows de-serialization with custom mapping
static com.fasterxml.jackson.databind.ObjectMapper	getObjectMapper() Returns a thread-local instance of JSON ObjectMapper.
static String	toJson(Object object) Converts object to JSON string
static String	toJson(Object object, com.fasterxml.jackson.databind.ObjectMapper customMapper) Allows JSON serialization with custom mapping

Methods inherited from class java.lang.Object

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

Method Detail

getObjectMapper

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

Returns a thread-local instance of JSON ObjectMapper.

Returns:

ObjectMapper.

toJson

public static String toJson(Object object)

Converts object to JSON string

Parameters:

object - to be converted

Returns:

JSON representation of object

toJson

public static String toJson(Object object,
                            com.fasterxml.jackson.databind.ObjectMapper customMapper)

Allows JSON serialization with custom mapping

Parameters:

object - to be serialized

customMapper - custom mapper

Returns:

JSON representation of object

fromJson

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

Transforms String to JSON object

Type Parameters:

T - class type

Parameters:

json - string to transform

valueType - class type

Returns:

deserialized object

fromJson

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

Type Parameters:

T - class type

Parameters:

json - JSON representation of object

reference - type reference

Returns:

deserialized object

fromJson

public static <T> T fromJson(String json,
                             com.fasterxml.jackson.core.type.TypeReference<T> reference,
                             com.fasterxml.jackson.databind.ObjectMapper mapper)

Allows de-serialization with custom mapping

Type Parameters:

T - class type

Parameters:

json - JSON representation of object

reference - type reference

mapper - custom object mapper

Returns:

deserialized object

fromJson

public static <T> T fromJson(String json,
                             Class<T> valueType,
                             com.fasterxml.jackson.databind.ObjectMapper mapper)

Allows de-serialization with custom mapping

Type Parameters:

T - class type

Parameters:

json - JSON representation of object

valueType - class

mapper - custom object mapper

Returns:

deserialized object

convert

public static <T> T convert(Object object,
                            com.fasterxml.jackson.core.type.TypeReference<T> reference)

Type Parameters:

T - class type

Parameters:

object - JSON representation of object

reference - type reference

Returns:

deserialized object

convert

public static <T> T convert(Object object,
                            Class<T> valueType)

Type Parameters:

T - class type

Parameters:

object - JSON representation of object

valueType - type reference

Returns:

deserialized object