Package org.springframework.core.io.support

Interface SpringFactoriesLoader.ArgumentResolver

Enclosing class:

SpringFactoriesLoader

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public static interface SpringFactoriesLoader.ArgumentResolver

Strategy for resolving constructor arguments based on their type.

Since:

6.0

See Also:

• of(Class, Object)
• ofSupplied(Class, Supplier)
• from(Function)

Method Summary

Modifier and Type	Method	Description
default <T> SpringFactoriesLoader.ArgumentResolver	and(Class<T> type, T value)	Create a new composed SpringFactoriesLoader.ArgumentResolver by combining this resolver with the given type and value.
default SpringFactoriesLoader.ArgumentResolver	and(SpringFactoriesLoader.ArgumentResolver argumentResolver)	Create a new composed SpringFactoriesLoader.ArgumentResolver by combining this resolver with the given resolver.
default <T> SpringFactoriesLoader.ArgumentResolver	andSupplied(Class<T> type, Supplier<T> valueSupplier)	Create a new composed SpringFactoriesLoader.ArgumentResolver by combining this resolver with the given type and value.
static SpringFactoriesLoader.ArgumentResolver	from(Function<Class<?>,Object> function)	Factory method that creates a new SpringFactoriesLoader.ArgumentResolver from a lambda friendly function.
static SpringFactoriesLoader.ArgumentResolver	none()	Factory method that returns an SpringFactoriesLoader.ArgumentResolver that always returns null.
static <T> SpringFactoriesLoader.ArgumentResolver	of(Class<T> type, T value)	Factory method that can be used to create an SpringFactoriesLoader.ArgumentResolver that resolves only the given type.
static <T> SpringFactoriesLoader.ArgumentResolver	ofSupplied(Class<T> type, Supplier<T> valueSupplier)	Factory method that can be used to create an SpringFactoriesLoader.ArgumentResolver that resolves only the given type.
<T> T	resolve(Class<T> type)	Resolve the given argument if possible.

Method Details

resolve

@Nullable
<T> T resolve(Class<T> type)

Resolve the given argument if possible.

Type Parameters:

T - the argument type

Parameters:

type - the argument type

Returns:

the resolved argument value or null

and

default <T> SpringFactoriesLoader.ArgumentResolver and(Class<T> type,
 T value)

Create a new composed SpringFactoriesLoader.ArgumentResolver by combining this resolver with the given type and value.

Type Parameters:

T - the argument type

Parameters:

type - the argument type

value - the argument value

Returns:

a new composite SpringFactoriesLoader.ArgumentResolver instance

andSupplied

default <T> SpringFactoriesLoader.ArgumentResolver andSupplied(Class<T> type,
 Supplier<T> valueSupplier)

Create a new composed SpringFactoriesLoader.ArgumentResolver by combining this resolver with the given type and value.

Type Parameters:

T - the argument type

Parameters:

type - the argument type

valueSupplier - the argument value supplier

Returns:

a new composite SpringFactoriesLoader.ArgumentResolver instance

and

default SpringFactoriesLoader.ArgumentResolver and(SpringFactoriesLoader.ArgumentResolver argumentResolver)

Create a new composed SpringFactoriesLoader.ArgumentResolver by combining this resolver with the given resolver.

Parameters:

argumentResolver - the argument resolver to add

Returns:

a new composite SpringFactoriesLoader.ArgumentResolver instance

none

static SpringFactoriesLoader.ArgumentResolver none()

Factory method that returns an SpringFactoriesLoader.ArgumentResolver that always returns null.

Returns:

a new SpringFactoriesLoader.ArgumentResolver instance

of

static <T> SpringFactoriesLoader.ArgumentResolver of(Class<T> type,
 T value)

Factory method that can be used to create an SpringFactoriesLoader.ArgumentResolver that resolves only the given type.

Type Parameters:

T - the argument type

Parameters:

type - the argument type

value - the argument value

Returns:

a new SpringFactoriesLoader.ArgumentResolver instance

ofSupplied

static <T> SpringFactoriesLoader.ArgumentResolver ofSupplied(Class<T> type,
 Supplier<T> valueSupplier)

Factory method that can be used to create an SpringFactoriesLoader.ArgumentResolver that resolves only the given type.

Type Parameters:

T - the argument type

Parameters:

type - the argument type

valueSupplier - the argument value supplier

Returns:

a new SpringFactoriesLoader.ArgumentResolver instance

from

static SpringFactoriesLoader.ArgumentResolver from(Function<Class<?>,Object> function)

Factory method that creates a new SpringFactoriesLoader.ArgumentResolver from a lambda friendly function. The given function is provided with the argument type and must provide an instance of that type or null.

Parameters:

function - the resolver function

Returns:

a new SpringFactoriesLoader.ArgumentResolver instance backed by the function