io.nem.symbol.sdk.infrastructure.okhttp

Class JsonHelperGson

java.lang.Object

io.nem.symbol.sdk.infrastructure.okhttp.JsonHelperGson

All Implemented Interfaces:

JsonHelper

public class JsonHelperGson
extends java.lang.Object
implements JsonHelper

Created by fernando on 06/08/19.

Constructor Summary

Constructors

Constructor and Description
JsonHelperGson()
JsonHelperGson(com.google.gson.Gson objectMapper)
JsonHelperGson(com.google.gson.Gson objectMapper, com.google.gson.Gson prettyObjectMapper)

Method Summary

Modifier and Type	Method and Description
boolean	contains(java.lang.Object object, java.lang.String... path) This method retrieves if there is a field/value for the given path.
<T> T	convert(java.lang.Object object, java.lang.Class<T> instanceClass, java.lang.String... path) It converts a object (for example a native json object or a map) into another type (like a statically type DTO).
static com.google.gson.Gson	creatGson(boolean pretty)
java.math.BigInteger	getBigInteger(java.lang.Object object, java.lang.String... path) This method retrieves a BigInteger attribute following the the provided path
java.lang.Boolean	getBoolean(java.lang.Object object, java.lang.String... path) This method retrieves a Long attribute following the the provided path
java.lang.Integer	getInteger(java.lang.Object object, java.lang.String... path) This method retrieves a Integer attribute following the the provided path
java.lang.Long	getLong(java.lang.Object object, java.lang.String... path) This method retrieves a Long attribute following the the provided path
java.lang.Object	getObject(java.lang.Object object, java.lang.String... path) A generic object form the given payload.
java.lang.String	getString(java.lang.Object object, java.lang.String... path) This method retrieves a Long attribute following the the provided path
java.lang.Object	parse(java.lang.String string) It parse a json string into an object of the underlying implementation (e.g.
<T> T	parse(java.lang.String string, java.lang.Class<T> clazz) It parse a json string into a an object of the given class.
<T> java.util.List<T>	parseList(java.lang.String string, java.lang.Class<T> clazz) It parse a json string into an object list of the given class.
java.lang.String	prettyPrint(java.lang.Object object) It serializes an object into pretty json string.
java.lang.String	print(java.lang.Object object) It serializes an object into json.

Methods inherited from class java.lang.Object

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

Constructor Detail

JsonHelperGson

public JsonHelperGson()

JsonHelperGson

public JsonHelperGson(com.google.gson.Gson objectMapper)

JsonHelperGson

public JsonHelperGson(com.google.gson.Gson objectMapper,
                      com.google.gson.Gson prettyObjectMapper)

Method Detail

creatGson

public static final com.google.gson.Gson creatGson(boolean pretty)

parse

public <T> T parse(java.lang.String string,
                   java.lang.Class<T> clazz)

Description copied from interface: JsonHelper

It parse a json string into a an object of the given class.

Specified by:

parse in interface JsonHelper

Type Parameters:

T - the type of the parsed object

Parameters:

string - the json string

clazz - the class of the parsed object

Returns:

the object or null if the string is null.

parse

public java.lang.Object parse(java.lang.String string)

Description copied from interface: JsonHelper

It parse a json string into an object of the underlying implementation (e.g. gson JsonObject or jackson ObjectNode)

Specified by:

parse in interface JsonHelper

Parameters:

string - the json string

Returns:

the object or null if the string is null.

parseList

public <T> java.util.List<T> parseList(java.lang.String string,
                                       java.lang.Class<T> clazz)

Description copied from interface: JsonHelper

It parse a json string into an object list of the given class.

Specified by:

parseList in interface JsonHelper

Type Parameters:

T - the type of the parsed object

Parameters:

string - the json string

clazz - the class of the parsed object

Returns:

the object or null if the string is null.

print

public java.lang.String print(java.lang.Object object)

Description copied from interface: JsonHelper

It serializes an object into json.

Specified by:

print in interface JsonHelper

Parameters:

object - the object (json native object, MAP or DTO)

Returns:

the string or null if the object is null.

prettyPrint

public java.lang.String prettyPrint(java.lang.Object object)

Description copied from interface: JsonHelper

It serializes an object into pretty json string.

Specified by:

prettyPrint in interface JsonHelper

Parameters:

object - the object (json native object, MAP or DTO)

Returns:

the string or null if the object is null.

convert

public <T> T convert(java.lang.Object object,
                     java.lang.Class<T> instanceClass,
                     java.lang.String... path)

Description copied from interface: JsonHelper

It converts a object (for example a native json object or a map) into another type (like a statically type DTO).

This is usefull to convert opan api "anyOf" objects into a defined DTO.

Specified by:

convert in interface JsonHelper

Type Parameters:

T - he type of the converted object

Parameters:

object - the json object (like a json native object or a map)

instanceClass - the class of the converted object

path - the path

Returns:

the converted object o null if the object is null;

getInteger

public java.lang.Integer getInteger(java.lang.Object object,
                                    java.lang.String... path)

Description copied from interface: JsonHelper

This method retrieves a Integer attribute following the the provided path

for example:

object = { "someAttribute1": {"someAttribute2": {"aNumber": 10} } }

getInteger(object,"someAttribute1","someAttribute2","aNumber") will return 10

Specified by:

getInteger in interface JsonHelper

Parameters:

object - the object

path - the path

Returns:

an Integer or null if the path doesn't exist or is null.

getString

public java.lang.String getString(java.lang.Object object,
                                  java.lang.String... path)

Description copied from interface: JsonHelper

This method retrieves a Long attribute following the the provided path

for example:

object = { "someAttribute1": {"someAttribute2": {"aString": "hello"} } }

getInteger(object,"someAttribute1","someAttribute2","aString") will return "hello"

Specified by:

getString in interface JsonHelper

Parameters:

object - the object

path - the path

Returns:

an Long or null if the path doesn't exist or is null.

getLong

public java.lang.Long getLong(java.lang.Object object,
                              java.lang.String... path)

Description copied from interface: JsonHelper

This method retrieves a Long attribute following the the provided path

for example:

object = { "someAttribute1": {"someAttribute2": {"aNumber": 10} } }

getInteger(object,"someAttribute1","someAttribute2","aNumber") will return 10

Specified by:

getLong in interface JsonHelper

Parameters:

object - the object

path - the path

Returns:

an Long or null if the path doesn't exist or is null.

getBoolean

public java.lang.Boolean getBoolean(java.lang.Object object,
                                    java.lang.String... path)

Description copied from interface: JsonHelper

This method retrieves a Long attribute following the the provided path

for example:

object = { "someAttribute1": {"someAttribute2": {"aBoolean": true} } }

getInteger(object,"someAttribute1","someAttribute2","aBoolean") will return true

Specified by:

getBoolean in interface JsonHelper

Parameters:

object - the object

path - the path

Returns:

an Long or null if the path doesn't exist or is null.

getBigInteger

public java.math.BigInteger getBigInteger(java.lang.Object object,
                                          java.lang.String... path)

Description copied from interface: JsonHelper

This method retrieves a BigInteger attribute following the the provided path

for example:

object = { "someAttribute1": {"someAttribute2": {"aBigInteger": "123"} } }

getBigInteger(object,"someAttribute1","someAttribute2","aBigInteger") will return 123

Specified by:

getBigInteger in interface JsonHelper

Parameters:

object - the object

path - the path

Returns:

a BigInteger or null if the path doesn't exist or is null.

contains

public boolean contains(java.lang.Object object,
                        java.lang.String... path)

Description copied from interface: JsonHelper

This method retrieves if there is a field/value for the given path.

Specified by:

contains in interface JsonHelper

Parameters:

object - the object

path - the path

Returns:

if there is a attribute set in the object following the giving path.

getObject

public java.lang.Object getObject(java.lang.Object object,
                                  java.lang.String... path)

Description copied from interface: JsonHelper

A generic object form the given payload.

Specified by:

getObject in interface JsonHelper

Parameters:

object - the object

path - the path

Returns:

a generic object for the fiven payload.