spring-framework / org.springframework.util / Assert / notEmpty

notEmpty

open static fun notEmpty(@Nullable array: Array<Any>, message: String): Unit

Assert that an array contains elements; that is, it must not be null and must contain at least one element.

Assert.notEmpty(array, "The array must contain elements");

Parameters

array - the array to check

message - the exception message to use if the assertion fails

Exceptions

IllegalArgumentException - if the object array is null or contains no elements

open static fun notEmpty(@Nullable array: Array<Any>, messageSupplier: Supplier<String>): Unit

Assert that an array contains elements; that is, it must not be null and must contain at least one element.

 Assert.notEmpty(array, () -> "The " + arrayType + " array must contain elements");

Parameters

array - the array to check

messageSupplier - a supplier for the exception message to use if the assertion fails

Exceptions

IllegalArgumentException - if the object array is null or contains no elements

Since
5.0

open static fun notEmpty(@Nullable array: Array<Any>): Unit
open static fun notEmpty(@Nullable collection: MutableCollection<*>): Unit
open static fun notEmpty(@Nullable map: MutableMap<*, *>): Unit open static fun notEmpty(@Nullable collection: MutableCollection<*>, message: String): Unit

Assert that a collection contains elements; that is, it must not be null and must contain at least one element.

Assert.notEmpty(collection, "Collection must contain elements");

Parameters

collection - the collection to check

message - the exception message to use if the assertion fails

Exceptions

IllegalArgumentException - if the collection is null or contains no elements

open static fun notEmpty(@Nullable collection: MutableCollection<*>, messageSupplier: Supplier<String>): Unit

Assert that a collection contains elements; that is, it must not be null and must contain at least one element.

 Assert.notEmpty(collection, () -> "The " + collectionType + " collection must contain elements");

Parameters

collection - the collection to check

messageSupplier - a supplier for the exception message to use if the assertion fails

Exceptions

IllegalArgumentException - if the collection is null or contains no elements

Since
5.0

open static fun notEmpty(@Nullable map: MutableMap<*, *>, message: String): Unit

Assert that a Map contains entries; that is, it must not be null and must contain at least one entry.

Assert.notEmpty(map, "Map must contain entries");

Parameters

map - the map to check

message - the exception message to use if the assertion fails

Exceptions

IllegalArgumentException - if the map is null or contains no entries

open static fun notEmpty(@Nullable map: MutableMap<*, *>, messageSupplier: Supplier<String>): Unit

Assert that a Map contains entries; that is, it must not be null and must contain at least one entry.

 Assert.notEmpty(map, () -> "The " + mapType + " map must contain entries");

Parameters

map - the map to check

messageSupplier - a supplier for the exception message to use if the assertion fails

Exceptions

IllegalArgumentException - if the map is null or contains no entries

Since
5.0