com.dinstone.vertx.web.util

类 Assert

java.lang.Object

com.dinstone.vertx.web.util.Assert

public final class Assert
extends Object

方法概要

限定符和类型	方法和说明
static void	always(String message) Will always throw and IlligalArgumentException
static void	isFalse(boolean test, String message) Tests if condition is false
static <T> void	isNull(T test, String message) Tests if object is null
static <T> void	isNullOrEmpty(List<T> list, String message) Tests if list is null or empty
static <T,K> void	isNullOrEmpty(Map<T,K> map, String message) Tests if map is null or empty
static <T> void	isNullOrEmpty(Set<T> set, String message) Tests if set is null or empty
static <T> void	isNullOrEmpty(T[] array, String message) Tests if array is null or empty
static void	isTrue(boolean test, String message) Tests if condition is true
static <T> void	notNull(T test, String message) Tests if object is !
static <T> void	notNullOrEmpty(Collection<T> list, String message) Tests if list is null or empty
static <T,K> void	notNullOrEmpty(Map<T,K> map, String message) Tests if map is null or empty
static <T> void	notNullOrEmpty(Set<T> set, String message) Tests if list is null or empty
static <T> void	notNullOrEmpty(T[] array, String message) Tests if list is null or empty
static void	notNullOrEmptyTrimmed(String value, String message) Tests if String is null or empty when trimmed

从类继承的方法 java.lang.Object

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

方法详细资料

always

public static void always(String message)

Will always throw and IlligalArgumentException

参数:

message - fail message aka: "forgot to implement this"

isFalse

public static void isFalse(boolean test,
                           String message)

Tests if condition is false

参数:

test - must be false

message - to return in exception

抛出:

IllegalArgumentException - if test is true

isTrue

public static void isTrue(boolean test,
                          String message)

Tests if condition is true

参数:

test - must be ture

message - to return in exception

抛出:

IllegalArgumentException - if test is false

isNull

public static <T> void isNull(T test,
                              String message)

Tests if object is null

类型参数:

T - object type

参数:

test - must be null

message - to return in exception

抛出:

IllegalArgumentException - if object != null

notNull

public static <T> void notNull(T test,
                               String message)

Tests if object is != null

类型参数:

T - object type

参数:

test - must not be null

message - to return in exception

抛出:

IllegalArgumentException - if object == null

notNullOrEmptyTrimmed

public static void notNullOrEmptyTrimmed(String value,
                                         String message)

Tests if String is null or empty when trimmed

参数:

value - must be non empty string

message - to return in exception

抛出:

IllegalArgumentException - if value == null, value == "" or value.trim() == ""

notNullOrEmpty

public static <T> void notNullOrEmpty(Collection<T> list,
                                      String message)

Tests if list is null or empty

类型参数:

T - object type

参数:

list - must be have at least one element

message - to return in exception

抛出:

IllegalArgumentException - if list == null or list.size() == 0

notNullOrEmpty

public static <T> void notNullOrEmpty(Set<T> set,
                                      String message)

Tests if list is null or empty

类型参数:

T - object type

参数:

set - must be have at least one element

message - to return in exception

抛出:

IllegalArgumentException - if list == null or list.size() == 0

notNullOrEmpty

public static <T> void notNullOrEmpty(T[] array,
                                      String message)

Tests if list is null or empty

类型参数:

T - object type

参数:

array - must be have at least one element

message - to return in exception

抛出:

IllegalArgumentException - if list == null or list.size() == 0

notNullOrEmpty

public static <T,K> void notNullOrEmpty(Map<T,K> map,
                                        String message)

Tests if map is null or empty

类型参数:

T - object type

K - value type

参数:

map - must be have at least one element

message - to return in exception

抛出:

IllegalArgumentException - if list == null or list.size() == 0

isNullOrEmpty

public static <T> void isNullOrEmpty(List<T> list,
                                     String message)

Tests if list is null or empty

类型参数:

T - object type

参数:

list - must be null or empty

message - to return in exception

抛出:

IllegalArgumentException - if list != null or list.size() greater than 0

isNullOrEmpty

public static <T> void isNullOrEmpty(Set<T> set,
                                     String message)

Tests if set is null or empty

类型参数:

T - object type

参数:

set - must be null or empty

message - to return in exception

抛出:

IllegalArgumentException - if list != null or list.size() greater than 0

isNullOrEmpty

public static <T> void isNullOrEmpty(T[] array,
                                     String message)

Tests if array is null or empty

类型参数:

T - object type

参数:

array - must be null or empty

message - to return in exception

抛出:

IllegalArgumentException - if list != null or list.size() greater than 0

isNullOrEmpty

public static <T,K> void isNullOrEmpty(Map<T,K> map,
                                       String message)

Tests if map is null or empty

类型参数:

T - object type

K - value type

参数:

map - must be null or empty

message - to return in exception

抛出:

IllegalArgumentException - if list != null or list.size() greater than 0