me.vaperion.blade.util

Class Preconditions

java.lang.Object

me.vaperion.blade.util.Preconditions

public final class Preconditions
extends java.lang.Object

Method Summary

Modifier and Type	Method and Description
static @NotNull java.lang.String	checkNotEmpty(@UnknownNullability java.lang.String string, @NotNull java.lang.String replacement)
static boolean	checkNotNull(@UnknownNullability java.lang.Object object, @NotNull java.lang.String message)
static boolean	checkState(boolean expression, @NotNull java.lang.String message)
static <T extends java.lang.annotation.Annotation> T	mustGetAnnotation(@NotNull java.lang.reflect.AnnotatedElement annotatedElement, @NotNull java.lang.Class<T> annotationClass)
static <O,T> T	runOrDefault(O object, T defaultValue, @NotNull java.util.function.Function<O,T> function)

Methods inherited from class java.lang.Object

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

Method Detail

mustGetAnnotation

@NotNull
public static <T extends java.lang.annotation.Annotation> T mustGetAnnotation(@NotNull
                                                                                       @NotNull java.lang.reflect.AnnotatedElement annotatedElement,
                                                                                       @NotNull
                                                                                       @NotNull java.lang.Class<T> annotationClass)

checkNotNull

@Contract(value="null, _ -> fail")
public static boolean checkNotNull(@UnknownNullability java.lang.Object object,
                                                                      @NotNull
                                                                      @NotNull java.lang.String message)

checkState

@Contract(value="false, _ -> fail")
public static boolean checkState(boolean expression,
                                                                     @NotNull
                                                                     @NotNull java.lang.String message)

checkNotEmpty

@NotNull
public static @NotNull java.lang.String checkNotEmpty(@UnknownNullability java.lang.String string,
                                                               @NotNull
                                                               @NotNull java.lang.String replacement)

runOrDefault

@NotNull
public static <O,T> T runOrDefault(O object,
                                            @NotNull
                                            T defaultValue,
                                            @NotNull
                                            @NotNull java.util.function.Function<O,T> function)