Objects

java.lang.Object

org.jivesoftware.smack.util.Objects

public class Objects extends Object

Constructor Summary

Constructors

Constructor

Description

Objects()
Method Summary

Modifier and Type

Method

Description

static boolean

equals(Object a, Object b)

static <T> T

requireNonNull(T obj)

static <T> T

requireNonNull(T obj, String message)

Checks that the specified object reference is not null and throws a customized IllegalArgumentException if it is.

static <T extends Collection<?>> T

requireNonNullNorEmpty(T collection, String message)

Require a collection to be neither null, nor empty.

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

Constructor Details
- Objects
  
  public Objects()
Method Details
- requireNonNull
  
  public static <T> T requireNonNull(T obj, String message) throws IllegalArgumentException
  
  Checks that the specified object reference is not null and throws a customized IllegalArgumentException if it is.
  Note that unlike java.util.Objects, this method throws an IllegalArgumentException instead of an NullPointerException.
  
  Type Parameters:
  
  T - the type of the reference.
  
  Parameters:
  
  obj - the object reference to check for nullity.
  
  message - detail message to be used in the event that a IllegalArgumentException is thrown.
  
  Returns:
  
  obj if not null.
  
  Throws:
  
  IllegalArgumentException - in case obj is null.
- requireNonNull
  
  public static <T> T requireNonNull(T obj)
- requireNonNullNorEmpty
  
  public static <T extends Collection<?>> T requireNonNullNorEmpty(T collection, String message)
  
  Require a collection to be neither null, nor empty.
  
  Type Parameters:
  
  T - Collection type
  
  Parameters:
  
  collection - collection
  
  message - error message
  
  Returns:
  
  collection TODO javadoc me please
- equals
  
  public static boolean equals(Object a, Object b)