com.github.pwittchen.reactivenetwork.library.rx2

Class Preconditions

java.lang.Object

com.github.pwittchen.reactivenetwork.library.rx2.Preconditions

public final class Preconditions
extends java.lang.Object

Constructor Summary

Constructors

Constructor and Description
Preconditions()

Method Summary

Modifier and Type	Method and Description
static void	checkGreaterOrEqualToZero(int number, java.lang.String message) Validation method, which checks is an integer number is positive
static void	checkGreaterThanZero(int number, java.lang.String message) Validation method, which checks is an integer number is non-zero or positive
static void	checkNotNull(java.lang.Object object, java.lang.String message) Validation method, which checks if an object is null
static void	checkNotNullOrEmpty(java.lang.String string, java.lang.String message) Validation method, which checks if a string is null or empty
static boolean	isAtLeastAndroidLollipop() Validation method, which checks if current Android version is at least Lollipop (API 21) or higher
static boolean	isAtLeastAndroidMarshmallow() Validation method, which checks if current Android version is at least Marshmallow (API 23) or higher

Methods inherited from class java.lang.Object

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

Constructor Detail

Preconditions

public Preconditions()

Method Detail

checkNotNull

public static void checkNotNull(java.lang.Object object,
                                java.lang.String message)

Validation method, which checks if an object is null

Parameters:

object - to verify

message - to be thrown in exception

checkNotNullOrEmpty

public static void checkNotNullOrEmpty(java.lang.String string,
                                       java.lang.String message)

Validation method, which checks if a string is null or empty

Parameters:

string - to verify

message - to be thrown in exception

checkGreaterOrEqualToZero

public static void checkGreaterOrEqualToZero(int number,
                                             java.lang.String message)

Validation method, which checks is an integer number is positive

Parameters:

number - integer to verify

message - to be thrown in exception

checkGreaterThanZero

public static void checkGreaterThanZero(int number,
                                        java.lang.String message)

Validation method, which checks is an integer number is non-zero or positive

Parameters:

number - integer to verify

message - to be thrown in exception

isAtLeastAndroidLollipop

public static boolean isAtLeastAndroidLollipop()

Validation method, which checks if current Android version is at least Lollipop (API 21) or higher

Returns:

boolean true if current Android version is Lollipop or higher

isAtLeastAndroidMarshmallow

public static boolean isAtLeastAndroidMarshmallow()

Validation method, which checks if current Android version is at least Marshmallow (API 23) or higher

Returns:

boolean true if current Android version is Marshmallow or higher