com.jdroid.java.collections

Class CollectionUtils

java.lang.Object

com.jdroid.java.collections.CollectionUtils

public abstract class CollectionUtils
extends java.lang.Object

A set of useful functions used against a Collection

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	CollectionUtils()

Method Summary

Modifier and Type	Method and Description
static boolean	isEmpty(java.util.Collection<?> coll) Null-safe check if the specified collection is empty.
static boolean	isEmptyCollection(java.lang.Object object)
static boolean	isNotEmpty(java.util.Collection<?> coll) Null-safe check if the specified collection is not empty.

Methods inherited from class java.lang.Object

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

Constructor Detail

CollectionUtils

protected CollectionUtils()

Method Detail

isEmpty

public static boolean isEmpty(java.util.Collection<?> coll)

Null-safe check if the specified collection is empty.

Null returns true.

Parameters:

coll - the collection to check, may be null

Returns:

true if empty or null

isEmptyCollection

public static boolean isEmptyCollection(java.lang.Object object)

isNotEmpty

public static boolean isNotEmpty(java.util.Collection<?> coll)

Null-safe check if the specified collection is not empty.

Null returns false.

Parameters:

coll - the collection to check, may be null

Returns:

true if non-null and non-empty