Package org.sellcom.core

Class MoreObjects

java.lang.Object

org.sellcom.core.MoreObjects

public class MoreObjects
extends java.lang.Object

Operations with objects.

Since:

1.0

Method Summary

Modifier and Type	Method	Description
static <T> T	coalesce(T first, T... other)	Returns the first object from the given objects that is not null.
static boolean	isDescendantOf(java.lang.Object object, java.lang.Class<?> clazz)	Checks whether the given object is an instance of the given class or any of its descendant classes.
static boolean	isInstanceOf(java.lang.Object object, java.lang.Class<?> clazz)	Checks whether the given object is an instance of the given class.

Methods inherited from class java.lang.Object

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

Method Detail

coalesce

@SafeVarargs
public static <T> T coalesce(T first,
                             T... other)

Returns the first object from the given objects that is not null. Returns null if there is no such object.

Since:

1.0

isDescendantOf

public static boolean isDescendantOf(java.lang.Object object,
                                     java.lang.Class<?> clazz)

Checks whether the given object is an instance of the given class or any of its descendant classes.

Throws:

java.lang.IllegalArgumentException - if clazz is null

Since:

1.0

isInstanceOf

public static boolean isInstanceOf(java.lang.Object object,
                                   java.lang.Class<?> clazz)

Checks whether the given object is an instance of the given class.

Throws:

java.lang.IllegalArgumentException - if clazz is null

Since:

1.0