spark.utils

Class CollectionUtils

java.lang.Object

spark.utils.CollectionUtils

public abstract class CollectionUtils
extends Object

Miscellaneous collection utility methods. Mainly for internal use within the framework.

Author:

Juergen Hoeller, Rob Harrop, Arjen Poutsma Code copied from Spring source. Modifications made (mostly removal of methods) by Per Wendel.

Constructor Summary

Constructors

Constructor and Description
CollectionUtils()

Method Summary

Modifier and Type	Method and Description
static boolean	isEmpty(Collection<?> collection) Return true if the supplied Collection is null or empty.
static boolean	isNotEmpty(Collection<?> collection) Return true if the supplied Collection is not null and not empty.

Methods inherited from class java.lang.Object

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

Constructor Detail

CollectionUtils

public CollectionUtils()

Method Detail

isEmpty

public static boolean isEmpty(Collection<?> collection)

Return true if the supplied Collection is null or empty. Otherwise, return false.

Parameters:

collection - the Collection to check

Returns:

whether the given Collection is empty

isNotEmpty

public static boolean isNotEmpty(Collection<?> collection)

Return true if the supplied Collection is not null and not empty. Otherwise, return false.

Parameters:

collection - the Collection to check

Returns:

whether the given Collection is not empty