Package io.github.astrapi69.json

Class JsonStringToObjectExtensions

java.lang.Object

io.github.astrapi69.json.JsonStringToObjectExtensions

public final class JsonStringToObjectExtensions
extends java.lang.Object

The class JsonStringToObjectExtensions converts json strings to java object and java collections.

Method Summary

Modifier and Type	Method	Description
static <K,V> java.util.Map<K,V>	toMapObject(java.lang.String jsonString, com.fasterxml.jackson.core.type.TypeReference<java.util.Map<K,V>> typeReference)	Transforms the given json string into a java map object
static <K,V> java.util.Map<K,V>	toMapObject(java.lang.String jsonString, com.fasterxml.jackson.core.type.TypeReference<java.util.Map<K,V>> typeReference, com.fasterxml.jackson.databind.ObjectMapper mapper)	Transforms the given json string into a java map object
static <T> T	toObject(java.lang.String jsonString, com.fasterxml.jackson.core.type.TypeReference<T> typeReference, com.fasterxml.jackson.databind.ObjectMapper mapper)	Transforms the given json string into a java object.
static <T> T	toObject(java.lang.String jsonString, java.lang.Class<T> clazz)	Transforms the given json string into a java object.
static <T> T	toObject(java.lang.String jsonString, java.lang.Class<T> clazz, boolean newMapper)	Transforms the given json string into a java object.
static <T> T	toObject(java.lang.String jsonString, java.lang.Class<T> clazz, com.fasterxml.jackson.databind.Module... modules)	Transforms the given json string into a java object.
static <T> T	toObject(java.lang.String jsonString, java.lang.Class<T> clazz, com.fasterxml.jackson.databind.ObjectMapper mapper)	Transforms the given json string into a java object.
static <T> java.util.Collection<T>	toObjectCollection(java.lang.String jsonString, java.lang.Class<? extends java.util.Collection> collectionClass, java.lang.Class<T> elementClass)	Transforms the given json string into a java object Collection
static <T> java.util.List<T>	toObjectList(java.lang.String jsonString, java.lang.Class<T> elementClass)	Transforms the given json string into a java object List

Methods inherited from class java.lang.Object

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

Method Detail

toMapObject

public static <K,V> java.util.Map<K,V> toMapObject(java.lang.String jsonString,
                                                               com.fasterxml.jackson.core.type.TypeReference<java.util.Map<K,V>> typeReference)
                                                        throws java.io.IOException

Transforms the given json string into a java map object

Type Parameters:

K - the generic type of keys

V - the generic type of values

Parameters:

jsonString - the json string

typeReference - the type reference

Returns:

the t

Throws:

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

toMapObject

public static <K,V> java.util.Map<K,V> toMapObject(java.lang.String jsonString,
                                                               com.fasterxml.jackson.core.type.TypeReference<java.util.Map<K,V>> typeReference,
                                                               com.fasterxml.jackson.databind.ObjectMapper mapper)
                                                        throws java.io.IOException

Transforms the given json string into a java map object

Type Parameters:

K - the generic type of keys

V - the generic type of values

Parameters:

jsonString - the json string

typeReference - the type reference

mapper - the object mapper

Returns:

the t

Throws:

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

toObject

public static <T> T toObject(java.lang.String jsonString,
                             java.lang.Class<T> clazz)
                      throws java.io.IOException

Transforms the given json string into a java object.

Type Parameters:

T - the generic type of the return type

Parameters:

jsonString - the json string

clazz - the clazz of the generic type

Returns:

the object

Throws:

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

toObject

public static <T> T toObject(java.lang.String jsonString,
                             java.lang.Class<T> clazz,
                             boolean newMapper)
                      throws java.io.IOException

Transforms the given json string into a java object.

Type Parameters:

T - the generic type of the return type

Parameters:

jsonString - the json string

clazz - the clazz of the generic type

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 object

Throws:

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

toObject

public static <T> T toObject(java.lang.String jsonString,
                             java.lang.Class<T> clazz,
                             com.fasterxml.jackson.databind.Module... modules)
                      throws java.io.IOException

Transforms the given json string into a java object.

Type Parameters:

T - the generic type of the return type

Parameters:

jsonString - the json string

clazz - the clazz of the generic type

modules - The modules to register for the mapper

Returns:

the object

Throws:

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

toObject

public static <T> T toObject(java.lang.String jsonString,
                             java.lang.Class<T> clazz,
                             com.fasterxml.jackson.databind.ObjectMapper mapper)
                      throws java.io.IOException

Transforms the given json string into a java object.

Type Parameters:

T - the generic type

Parameters:

jsonString - the json string

clazz - the clazz of the generic type

mapper - the object mapper

Returns:

the t

Throws:

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

toObject

public static <T> T toObject(java.lang.String jsonString,
                             com.fasterxml.jackson.core.type.TypeReference<T> typeReference,
                             com.fasterxml.jackson.databind.ObjectMapper mapper)
                      throws java.io.IOException

Transforms the given json string into a java object.

Type Parameters:

T - the generic type

Parameters:

jsonString - the json string

typeReference - the type reference

mapper - the object mapper

Returns:

the t

Throws:

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

toObjectCollection

public static <T> java.util.Collection<T> toObjectCollection(java.lang.String jsonString,
                                                             java.lang.Class<? extends java.util.Collection> collectionClass,
                                                             java.lang.Class<T> elementClass)
                                                      throws java.io.IOException

Transforms the given json string into a java object Collection

Type Parameters:

T - the generic type of the return type

Parameters:

jsonString - the json string

collectionClass - the collection class

elementClass - the element class

Returns:

the list with the java objects.

Throws:

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

toObjectList

public static <T> java.util.List<T> toObjectList(java.lang.String jsonString,
                                                 java.lang.Class<T> elementClass)
                                          throws java.io.IOException

Transforms the given json string into a java object List

Type Parameters:

T - the generic type of the return type

Parameters:

jsonString - the json string

elementClass - the element class of the generic type

Returns:

the list with the java objects

Throws:

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