Module json.extensions.main

Package io.github.astrapi69.json

Class ObjectToJsonExtensions

java.lang.Object

io.github.astrapi69.json.ObjectToJsonExtensions

public final class ObjectToJsonExtensions
extends Object

The class ObjectToJsonExtensions converts java objects to json string objects.

Method Summary

Modifier and Type	Method	Description
static <T> String	toJson(List<T> list)	Creates from the given List a json string
static <T> String	toJson(List<T> list, com.fasterxml.jackson.databind.ObjectMapper mapper)	Creates from the given List a json string
static <T> String	toJson(T object)	Creates a json String from the given argument object
static <T> String	toJson(T object, boolean newMapper)	Creates a json String from the given Object
static <T> String	toJson(T object, com.fasterxml.jackson.databind.ObjectMapper mapper)	Creates a json String from the given Object and the given object mapper

Methods inherited from class java.lang.Object

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

Method Details

toJson

public static <T> String toJson(List<T> list)
                         throws com.fasterxml.jackson.core.JsonGenerationException,
com.fasterxml.jackson.databind.JsonMappingException,
IOException

Creates from the given List a json string

Type Parameters:

T - the generic type

Parameters:

list - the list

Returns:

the json string.

Throws:

com.fasterxml.jackson.core.JsonGenerationException - If an error occurs by writing json string

com.fasterxml.jackson.databind.JsonMappingException - the If an error occurs when mapping the string into Object

IOException - Signals that an I/O exception has occurred.

toJson

public static <T> String toJson(List<T> list,
 com.fasterxml.jackson.databind.ObjectMapper mapper)
                         throws IOException

Creates from the given List a json string

Type Parameters:

T - the generic type

Parameters:

list - the list

mapper - the object mapper

Returns:

the string

Throws:

IOException - Signals that an I/O exception has occurred

toJson

public static <T> String toJson(T object)
                         throws com.fasterxml.jackson.core.JsonProcessingException

Creates a json String from the given argument object

Type Parameters:

T - the generic type of the given argument object

Parameters:

object - the object.

Returns:

the json string.

Throws:

com.fasterxml.jackson.core.JsonProcessingException - If an error occurs when converting object to String

toJson

public static <T> String toJson(T object,
 boolean newMapper)
                         throws com.fasterxml.jackson.core.JsonProcessingException

Creates a json String from the given Object

Type Parameters:

T - the generic type

Parameters:

object - the object

newMapper - flag that indicates if a new ObjectMapper should be created. if true a new ObjectMapper will be created otherwise the ObjectMapper from this class will be returned.

Returns:

the string

Throws:

com.fasterxml.jackson.core.JsonProcessingException - If an error occurs when converting object to String

toJson

public static <T> String toJson(T object,
 com.fasterxml.jackson.databind.ObjectMapper mapper)
                         throws com.fasterxml.jackson.core.JsonProcessingException

Creates a json String from the given Object and the given object mapper

Type Parameters:

T - the generic type

Parameters:

object - the object

mapper - the object mapper

Returns:

the string

Throws:

com.fasterxml.jackson.core.JsonProcessingException - If an error occurs when converting object to String