com.qcloud.cos.utils

类 ValidationUtils

java.lang.Object

com.qcloud.cos.utils.ValidationUtils

public class ValidationUtils
extends Object

构造器概要

构造器

构造器和说明
ValidationUtils()

方法概要

限定符和类型	方法和说明
static int	assertIsPositive(int num, String fieldName) Asserts that the given number is positive (non-negative and non-zero).
static <T> T	assertNotNull(T object, String fieldName) Asserts that the given object is non-null and returns it.

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

ValidationUtils

public ValidationUtils()

方法详细资料

assertIsPositive

public static int assertIsPositive(int num,
                                   String fieldName)

Asserts that the given number is positive (non-negative and non-zero).

参数:

num - Number to validate

fieldName - Field name to display in exception message if not positive.

返回:

Number if positive.

assertNotNull

public static <T> T assertNotNull(T object,
                                  String fieldName)
                           throws IllegalArgumentException

Asserts that the given object is non-null and returns it.

参数:

object - Object to assert on

fieldName - Field name to display in exception message if null

返回:

Object if non null

抛出:

IllegalArgumentException - If object was null