Module seppiko.commons.utils

Package org.seppiko.commons.utils

Class ObjectUtil

java.lang.Object

org.seppiko.commons.utils.ObjectUtil

public class ObjectUtil
extends Object

Object Util

Author:

Leonard Woo

Constructor Summary

Constructors

Constructor	Description
ObjectUtil()

Method Summary

Modifier and Type	Method	Description
static Object	deepCopy(Object obj)	Deep copy
static <T> boolean	isArray(T obj)	test object is array
static <T> boolean	isEmpty(T[] array)	test object array is empty
static <T> boolean	isNull(T obj)	test object is null
static <T> boolean	notNull(T obj)	test object is not null
static <T> T	safeNull(T t, T defaultValue)	return object with default

Methods inherited from class java.lang.Object

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

Constructor Details

ObjectUtil

public ObjectUtil()

Method Details

safeNull

public static <T> T safeNull(T t,
 T defaultValue)

return object with default

Type Parameters:

T - object type

Parameters:

t - object

defaultValue - default

Returns:

object result

isArray

public static <T> boolean isArray(T obj)

test object is array

Type Parameters:

T - object type

Parameters:

obj - object

Returns:

true is not null and yes

isEmpty

public static <T> boolean isEmpty(T[] array)

test object array is empty

Type Parameters:

T - object type

Parameters:

array - object array

Returns:

true is yes

isNull

public static <T> boolean isNull(T obj)

test object is null

Type Parameters:

T - object type

Parameters:

obj - object

Returns:

true is yes

notNull

public static <T> boolean notNull(T obj)

test object is not null

Type Parameters:

T - object type

Parameters:

obj - object

Returns:

true is yes

deepCopy

public static Object deepCopy(Object obj)
                       throws IOException,
ClassNotFoundException

Deep copy

Parameters:

obj - source object

Returns:

copy object

Throws:

IOException - copy failed

ClassNotFoundException - can not found new object