Nulls (Codion Framework API 0.18.86)

java.lang.Object

is.codion.common.utilities.Nulls

public final class Nulls extends Object

Utility class for working with nulls.

Method Summary

Modifier and Type

Method

Description

static boolean

nonNull(@Nullable Object... objects)

Returns true if none of the given objects are null, false if the array itself is null, and true if no objects are provided.

static <C extends Collection<T>, T> C

rejectNulls(@Nullable C items)

Throws a NullPointerException if the given collection, or any of its items, is null

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details
- nonNull
  
  public static boolean nonNull(@Nullable Object... objects)
  
  Returns true if none of the given objects are null, false if the array itself is null, and true if no objects are provided.
  Use Objects.nonNull(Object) for single values, to eliminate varargs array creation.
  
  Parameters:
  
  objects - the objects to check
  
  Returns:
  
  true if none of the given objects are null, false if the array itself is null, true if no objects are provided
- rejectNulls
  
  public static <C extends Collection<T>, T> C rejectNulls(@Nullable C items)
  
  Throws a NullPointerException if the given collection, or any of its items, is null
  
  Type Parameters:
  
  C - the collection type
  
  T - the collection element type
  
  Parameters:
  
  items - the items to check for nulls
  
  Returns:
  
  the items