Hibernate Validator Engine 8.0.1.Final · org.hibernate.validator.internal.util.ReflectionHelper

Modifier and Type	Field and Description
private static final Log	LOG
private static final Map<Class<?>, Class<?>>	PRIMITIVE_TO_WRAPPER_TYPES
private static final Map<Class<?>, Class<?>>	WRAPPER_TO_PRIMITIVE_TYPES

Access	Constructor and Description
private	ReflectionHelper() Private constructor in order to avoid instantiation.

Method Summary

Modifier and Type	Method and Description
public static Type	boxedType(Type type) Returns the corresponding auto-boxed type if given a primitive type.
public static Class<?>	boxedType(Class<?> type) Returns the corresponding auto-boxed type if given a primitive type.
public static Class<?>	Returns: the class corresponding to the type getClassFromType(Type the type to convert type) Converts the given `Type` to a `Class`.
public static Type	getCollectionElementType(Type type) Determines the type of the elements of an `Iterable`, array or the value of a `Map`.
public static Object	Returns: The indexed value or `null` if `value` is `null` or not a collection or array. `null` is also returned in case the index does not exist. getIndexedValue(Object The object from which to retrieve the indexed value. The object has to be non `null` and either a collection or array. value, int The index. index) Tries to retrieve the indexed value from the specified object.
public static Object	Returns: The mapped value or `null` if `value` is `null` or not implementing @{code Map}. getMappedValue(Object The object from which to retrieve the mapped value. The object has to be non `null` and must implement the @{code Map} interface. value, Object The map key. index. key) Tries to retrieve the mapped value from the specified object.
public static Object	getValue(Field field, Object object)
public static Object	getValue(Method method, Object object)
private static Class<?>	Returns: the auto-boxed type of a primitive type. In case `Void` is passed (which is considered as primitive type by `Class#isPrimitive()`), `Void` will be returned. internalBoxedType(Class<?> the primitive type primitiveType) Returns the auto-boxed type of a primitive type.
public static boolean	isCollection(Type type) Indicates whether the given type represents a collection of elements or not (i.e. whether it is an `Iterable`, `Map` or array type).
public static boolean	Returns: Returns true if the type is indexable. isIndexable(Type the type to inspect. type) Indicates if the type is considered indexable (ie is a `List`, an array or a `Map`).
public static boolean	Returns: Returns `true` if `type` is a iterable type, `false` otherwise. isIterable(Type the type to check. type)
public static boolean	Returns: Returns `true` if `type` is implementing `List`, `false` otherwise. isList(Type the type to check. type)
public static boolean	Returns: Returns `true` if `type` is implementing `Map`, `false` otherwise. isMap(Type the type to check. type)
public static Type	Returns: Returns the `Type` of the given `Field` or `Method`. typeOf(Member The `Member` instance for which to retrieve the type. member)
public static Class<?>	Returns: the primitive type for a auto-boxed type. In case `Void` is passed (which is considered as primitive type by `Class#isPrimitive()`), `Void` will be returned. unBoxedType(Class<?> the boxed type type) Returns the primitive type for a boxed type.

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

LOG	back to summary
private static final Log LOG

PRIMITIVE_TO_WRAPPER_TYPES	back to summary
private static final Map<Class<?>, Class<?>> PRIMITIVE_TO_WRAPPER_TYPES

WRAPPER_TO_PRIMITIVE_TYPES	back to summary
private static final Map<Class<?>, Class<?>> WRAPPER_TO_PRIMITIVE_TYPES

ReflectionHelper	back to summary
private ReflectionHelper() Private constructor in order to avoid instantiation.

Method Detail

boxedType	back to summary
public static Type boxedType(Type type) Returns the corresponding auto-boxed type if given a primitive type. Returns the given type itself otherwise.

boxedType	back to summary
public static Class<?> boxedType(Class<?> type) Returns the corresponding auto-boxed type if given a primitive type. Returns the given type itself otherwise.

getClassFromType back to summary

getClassFromType	back to summary
public static Class<?> getClassFromType(Type type) Converts the given `Type` to a `Class`. Parameters type:Type the type to convert Returns:Class<?> the class corresponding to the type

public static Class<?> getClassFromType(Type type)

Converts the given Type to a Class.

Parameters

type:Type: the type to convert

Returns:Class<?>

the class corresponding to the type

getCollectionElementType	back to summary
public static Type getCollectionElementType(Type type) Determines the type of the elements of an `Iterable`, array or the value of a `Map`.

getIndexedValue back to summary

getIndexedValue	back to summary
public static Object getIndexedValue(Object value, int index) Tries to retrieve the indexed value from the specified object. Parameters value:Object The object from which to retrieve the indexed value. The object has to be non `null` and either a collection or array. index:int The index. Returns:Object The indexed value or `null` if `value` is `null` or not a collection or array. `null` is also returned in case the index does not exist.

public static Object getIndexedValue(Object value, int index)

Tries to retrieve the indexed value from the specified object.

Parameters

value:Object: The object from which to retrieve the indexed value. The object has to be non null and either a collection or array.
index:int: The index.

Returns:Object

The indexed value or null if value is null or not a collection or array. null is also returned in case the index does not exist.

getMappedValue back to summary

getMappedValue	back to summary
public static Object getMappedValue(Object value, Object key) Tries to retrieve the mapped value from the specified object. Parameters value:Object The object from which to retrieve the mapped value. The object has to be non `null` and must implement the @{code Map} interface. key:Object The map key. index. Returns:Object The mapped value or `null` if `value` is `null` or not implementing @{code Map}.

public static Object getMappedValue(Object value, Object key)

Tries to retrieve the mapped value from the specified object.

Parameters

value:Object: The object from which to retrieve the mapped value. The object has to be non null and must implement the @{code Map} interface.
key:Object: The map key. index.

Returns:Object

The mapped value or null if value is null or not implementing @{code Map}.

getValue	back to summary
public static Object getValue(Field field, Object object)

getValue	back to summary
public static Object getValue(Method method, Object object)

internalBoxedType back to summary

internalBoxedType	back to summary
private static Class<?> internalBoxedType(Class<?> primitiveType) Returns the auto-boxed type of a primitive type. Parameters primitiveType:Class<?> the primitive type Returns:Class<?> the auto-boxed type of a primitive type. In case `Void` is passed (which is considered as primitive type by `Class#isPrimitive()`), `Void` will be returned. Exceptions IllegalArgumentException: in case the parameter `primitiveType` does not represent a primitive type.

private static Class<?> internalBoxedType(Class<?> primitiveType)

Returns the auto-boxed type of a primitive type.

Parameters

primitiveType:Class<?>: the primitive type

Returns:Class<?>

the auto-boxed type of a primitive type. In case Void is passed (which is considered as primitive type by Class#isPrimitive()), Void will be returned.

Exceptions

IllegalArgumentException:: in case the parameter primitiveType does not represent a primitive type.

isCollection	back to summary
public static boolean isCollection(Type type) Indicates whether the given type represents a collection of elements or not (i.e. whether it is an `Iterable`, `Map` or array type).

isIndexable back to summary

isIndexable	back to summary
public static boolean isIndexable(Type type) Indicates if the type is considered indexable (ie is a `List`, an array or a `Map`). Note that it does not include `Set`s as they are not indexable. Parameters type:Type the type to inspect. Returns:boolean Returns true if the type is indexable.

public static boolean isIndexable(Type type)

Indicates if the type is considered indexable (ie is a List, an array or a Map).

Note that it does not include Sets as they are not indexable.

Parameters

type:Type: the type to inspect.

Returns:boolean

Returns true if the type is indexable.

isIterable	back to summary
public static boolean isIterable(Type type) Parameters type:Type the type to check. Returns:boolean Returns `true` if `type` is a iterable type, `false` otherwise.

isList	back to summary
public static boolean isList(Type type) Parameters type:Type the type to check. Returns:boolean Returns `true` if `type` is implementing `List`, `false` otherwise.

isMap	back to summary
public static boolean isMap(Type type) Parameters type:Type the type to check. Returns:boolean Returns `true` if `type` is implementing `Map`, `false` otherwise.

typeOf	back to summary
public static Type typeOf(Member member) Parameters member:Member The `Member` instance for which to retrieve the type. Returns:Type Returns the `Type` of the given `Field` or `Method`. Exceptions IllegalArgumentException: in case `member` is not a `Field` or `Method`.

unBoxedType back to summary

unBoxedType	back to summary
public static Class<?> unBoxedType(Class<?> type) Returns the primitive type for a boxed type. Parameters type:Class<?> the boxed type Returns:Class<?> the primitive type for a auto-boxed type. In case `Void` is passed (which is considered as primitive type by `Class#isPrimitive()`), `Void` will be returned. Exceptions IllegalArgumentException: in case the parameter `primitiveType` does not represent a primitive type.

public static Class<?> unBoxedType(Class<?> type)

Returns the primitive type for a boxed type.

Parameters

type:Class<?>: the boxed type

Returns:Class<?>

the primitive type for a auto-boxed type. In case Void is passed (which is considered as primitive type by Class#isPrimitive()), Void will be returned.

Exceptions

IllegalArgumentException:: in case the parameter primitiveType does not represent a primitive type.

public final Class ReflectionHelper

Field Summary

Constructor Summary

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Field Detail

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