Package sk.softec.util

Interface ObjectUtils

public interface ObjectUtils

Method Summary

Static Methods

Modifier and Type	Method	Description
static <T> T	doWith(T object, @NotNull Consumer<? super @NotNull T> block)
static <T, R> R	mapWith(T object, @NotNull Function<? super @NotNull T,? extends R> block)
static <T, R> R	nn(T object, @NotNull Function<? super @NotNull T,? extends R> getter)
static <T, R> R	nn(T object, @NotNull Function<? super @NotNull T,? extends R> getter1, @NotNull Function<? super @NotNull T,? extends R> getter2)
static <T, R> R	nnOr(T object, @NotNull Function<? super @NotNull T,? extends R> getter1, @NotNull Supplier<? extends R> or)

Method Details

nn

@Contract("null, _ -> null")
@Nullable
static <T,
R> R nn(@Nullable
 T object,
 @NotNull
 @NotNull Function<? super @NotNull T,? extends R> getter)

Returns:

result of the specified getter if the specified object is non-null else null.

nn

@Contract("null, _, _ -> null")
@Nullable
static <T,
R> R nn(@Nullable
 T object,
 @NotNull
 @NotNull Function<? super @NotNull T,? extends R> getter1,
 @NotNull
 @NotNull Function<? super @NotNull T,? extends R> getter2)

Returns:

result of the first getter that gives non-null result if the specified object is non-null else null.

nnOr

@Nullable
static <T,
R> R nnOr(@Nullable
 T object,
 @NotNull
 @NotNull Function<? super @NotNull T,? extends R> getter1,
 @NotNull
 @NotNull Supplier<? extends R> or)

doWith

@Contract("!null, _ -> !null; null, _ -> null")
static <T> T doWith(T object,
 @NotNull
 @NotNull Consumer<? super @NotNull T> block)

Returns:

the specified object after calling the specified block on it

mapWith

@Contract("null, _ -> null")
static <T,
R> R mapWith(T object,
 @NotNull
 @NotNull Function<? super @NotNull T,? extends R> block)

Returns:

the specified object after calling the specified block on it