de.alpharogroup.xml.json

Class JsonStringToObjectExtensions

java.lang.Object

de.alpharogroup.xml.json.JsonStringToObjectExtensions

public final class JsonStringToObjectExtensions
extends java.lang.Object

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

Constructor Summary

Constructors

Constructor and Description
JsonStringToObjectExtensions()

Method Summary

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

Constructor Detail

JsonStringToObjectExtensions

public JsonStringToObjectExtensions()

Method Detail

toObject

public static <T> T toObject(@NonNull
                             @NonNull java.lang.String jsonString,
                             @NonNull
                             @NonNull 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(@NonNull
                             @NonNull java.lang.String jsonString,
                             @NonNull
                             @NonNull 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(@NonNull
                             @NonNull java.lang.String jsonString,
                             @NonNull
                             @NonNull 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(@NonNull
                             @NonNull java.lang.String jsonString,
                             @NonNull
                             @NonNull java.lang.Class<T> clazz,
                             @NonNull
                             @NonNull 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

toObjectList

public static <T> java.util.List<T> toObjectList(@NonNull
                                                 @NonNull java.lang.String jsonString,
                                                 @NonNull
                                                 @NonNull 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.

toObjectCollection

public static <T> java.util.Collection<T> toObjectCollection(@NonNull
                                                             @NonNull java.lang.String jsonString,
                                                             @NonNull
                                                             @NonNull java.lang.Class<? extends java.util.Collection> collectionClass,
                                                             @NonNull
                                                             @NonNull 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