com.amazonaws.util

Class CollectionUtils

java.lang.Object

com.amazonaws.util.CollectionUtils

public class CollectionUtils
extends Object

Constructor Summary

Constructors

Constructor and Description
CollectionUtils()

Method Summary

Modifier and Type	Method and Description
static <T> boolean	isNullOrEmpty(Collection<T> collection)
static String	join(Collection<String> toJoin, String separator) Joins a collection of strings with the given separator into a single string.
static <T> List<T>	mergeLists(List<T> list1, List<T> list2) Returns a new list containing the second list appended to the first list.

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

isNullOrEmpty

public static <T> boolean isNullOrEmpty(Collection<T> collection)

mergeLists

public static <T> List<T> mergeLists(List<T> list1,
                                     List<T> list2)

Returns a new list containing the second list appended to the first list.

join

public static String join(Collection<String> toJoin,
                          String separator)

Joins a collection of strings with the given separator into a single string.

Parameters:

toJoin - Collection containing items to join.

separator - String to join items with.

Returns:

Empty string if collection is null or empty. Otherwise joins all strings in the collection with the separator.