org.yatech.common.args

Class Args

java.lang.Object

org.yatech.common.args.Args

public abstract class Args
extends java.lang.Object

Method Summary

Modifier and Type	Method and Description
static <V> V	requireNonNull(V value, java.lang.String message) Require that the given value is not null and return it
static <V> V	requireSatisfies(V value, java.util.function.Predicate<V> predicate, java.lang.String message) Require that the given value satisfies the given predicate

Methods inherited from class java.lang.Object

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

Method Detail

requireNonNull

@Nonnull
public static <V> V requireNonNull(V value,
                                            @Nonnull
                                            java.lang.String message)

Require that the given value is not null and return it

Type Parameters:

V - the value type

Parameters:

value - the value to check

message - the error message to use

Returns:

the value if satisfies the requirement

Throws:

java.lang.IllegalArgumentException - if the value does not satisfy the requirement

requireSatisfies

public static <V> V requireSatisfies(@Nullable
                                     V value,
                                     @Nonnull
                                     java.util.function.Predicate<V> predicate,
                                     @Nonnull
                                     java.lang.String message)

Require that the given value satisfies the given predicate

Type Parameters:

V - the value type

Parameters:

value - the value to check

predicate - the predicate to satisfy

message - the error message to use

Returns:

the value if satisfies the requirement

Throws:

java.lang.IllegalArgumentException - if the value does not satisfy the requirement