dev.jeka.core.api.utils

Class JkUtilsObject

java.lang.Object

dev.jeka.core.api.utils.JkUtilsObject

public final class JkUtilsObject
extends java.lang.Object

Utility class for dealing with generic Object class instances.

Constructor Summary

Constructors

Constructor and Description
JkUtilsObject()

Method Summary

Modifier and Type	Method and Description
static <T> void	copyNonNullPublicFieldsInto(T source, T overrider) Copies non null public instance fields for specified overrider instance into the specified source one.
static boolean	equals(java.lang.Object object1, java.lang.Object object2) Returns true if both object are null or the two objects are equals.
static <T> T	firstNonNull(T... items) Returns the objects of the specified array that is not null.
static int	hashCode(java.lang.Object object) Returns the hash code of the specified object or 0 if it's null.
static java.lang.String	toString(java.lang.Object object) Null safe for Object.toString().
static <T extends java.lang.Enum<T>> T	valueOfEnum(java.lang.Class<T> enumType, java.lang.String name)

Methods inherited from class java.lang.Object

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

Constructor Detail

JkUtilsObject

public JkUtilsObject()

Method Detail

firstNonNull

public static <T> T firstNonNull(T... items)

Returns the objects of the specified array that is not null. Throw an IllegalArgumentException if all array elements are null or the specified array is empty.

equals

public static boolean equals(java.lang.Object object1,
                             java.lang.Object object2)

Returns true if both object are null or the two objects are equals. Returns false otherwise.

hashCode

public static int hashCode(java.lang.Object object)

Returns the hash code of the specified object or 0 if it's null.

toString

public static java.lang.String toString(java.lang.Object object)

Null safe for Object.toString(). If the specified object is null than this method returns "null".

valueOfEnum

public static <T extends java.lang.Enum<T>> T valueOfEnum(java.lang.Class<T> enumType,
                                                          java.lang.String name)

copyNonNullPublicFieldsInto

public static <T> void copyNonNullPublicFieldsInto(T source,
                                                   T overrider)

Copies non null public instance fields for specified overrider instance into the specified source one. The copy is recursive for fields which have themselves public instance fields.