cn.trinea.android.common.util

类 ObjectUtils

java.lang.Object

cn.trinea.android.common.util.ObjectUtils

public class ObjectUtils
extends Object

Object Utils

作者:

Trinea 2011-10-24

构造器概要

构造器

构造器和说明
ObjectUtils()

方法概要

方法

限定符和类型	方法和说明
static <V> int	compare(V v1, V v2) compare two object About result if v1 > v2, return 1 if v1 = v2, return 0 if v1 < v2, return -1 About rule if v1 is null, v2 is null, then return 0 if v1 is null, v2 is not null, then return -1 if v1 is not null, v2 is null, then return 1 return v1.
static boolean	isEquals(Object actual, Object expected) compare two object
static Integer[]	transformIntArray(int[] source) convert int array to Integer array
static int[]	transformIntArray(Integer[] source) convert Integer array to int array
static Long[]	transformLongArray(long[] source) convert long array to Long array
static long[]	transformLongArray(Long[] source) convert Long array to long array

从类继承的方法 java.lang.Object

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

构造器详细资料

ObjectUtils

public ObjectUtils()

方法详细资料

isEquals

public static boolean isEquals(Object actual,
               Object expected)

compare two object

参数:

actual -

expected -

返回:

• if both are null, return true
• return actual.Object.equals(Object)

transformLongArray

public static Long[] transformLongArray(long[] source)

convert long array to Long array

参数:

source -

返回:

transformLongArray

public static long[] transformLongArray(Long[] source)

convert Long array to long array

参数:

source -

返回:

transformIntArray

public static Integer[] transformIntArray(int[] source)

convert int array to Integer array

参数:

source -

返回:

transformIntArray

public static int[] transformIntArray(Integer[] source)

convert Integer array to int array

参数:

source -

返回:

compare

public static <V> int compare(V v1,
              V v2)

compare two object

About result
• if v1 > v2, return 1
• if v1 = v2, return 0
• if v1 < v2, return -1

About rule
• if v1 is null, v2 is null, then return 0
• if v1 is null, v2 is not null, then return -1
• if v1 is not null, v2 is null, then return 1
• return v1.Comparable.compareTo(Object)

参数:

v1 -

v2 -

返回: