Package com.identity4j.util.json

Class JsonMapperService

java.lang.Object

com.identity4j.util.json.JsonMapperService

public class JsonMapperService
extends Object

This singleton class is responsible for handling serialization/deserialization of POJOs into JSON.

• Here it encapsulates trivial configuration.
• It also handles custom POJO setting from HttpResponseData.

Author:

gaurav

Method Summary

Modifier and Type	Method	Description
<T> T	convert(Object fromValue, Class<T> toType)	Converts Map like objects into instance of class specified.
static JsonMapperService	getInstance()
String	getJson(Object object)	Converts a Java object into json.
Object	getJsonProperty(String json, String property)	Fetches a property from a json string.
<T> T	getObject(com.fasterxml.jackson.core.type.TypeReference<T> typeReference, String json)	Maps a json String to Java object specified by TypeReference.
<T> T	getObject(Class<T> clazz, String json)	Maps a json String to Java object.

Methods inherited from class java.lang.Object

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

Method Detail

getInstance

public static JsonMapperService getInstance()

getObject

public <T> T getObject(Class<T> clazz,
                       String json)

Maps a json String to Java object.

Parameters:

clazz - json object is mapped to this class

json -

Returns:

mapped java object

getObject

public <T> T getObject(com.fasterxml.jackson.core.type.TypeReference<T> typeReference,
                       String json)

Maps a json String to Java object specified by TypeReference.

Parameters:

typeReference - json object is mapped to this type reference

json -

Returns:

mapped java object

getJson

public String getJson(Object object)
               throws IOException

Converts a Java object into json.

Parameters:

object -

Returns:

converted json string

Throws:

IOException

getJsonProperty

public Object getJsonProperty(String json,
                              String property)

Fetches a property from a json string. It converts the json into a java Map instance. Hence we can fetch only first level properties only.

Parameters:

json -

property -

Returns:

property value

convert

public <T> T convert(Object fromValue,
                     Class<T> toType)

Converts Map like objects into instance of class specified.

Parameters:

fromValue - object similar to java Map.

toType - object is converted into an instance of this class

Returns: