com.atlassian.bamboo.util
Class BambooCollectionUtils

java.lang.Object
  com.atlassian.bamboo.util.BambooCollectionUtils

public class BambooCollectionUtils
extends java.lang.Object

Constructor Summary

BambooCollectionUtils()

Method Summary

static <E> boolean	addIgnoreNull(java.util.Collection<? super E> collection, E element) Add element to the collection if it is not null.
static java.util.List<java.lang.String>	convertToList(java.lang.String s)
static <E> E	get(java.util.List<? extends E> list, int index) Get Nth element from list or null if list hasn't got so many elements
static <E> java.util.List<E>	newArrayList(java.lang.Iterable<? extends E> elements, java.util.Comparator<? super E> comparator) Deprecated. since 3.0 use Ordering.sortedCopy
static <E> java.util.List<E>	newLinkedList(java.lang.Iterable<? extends E> elements, java.util.Comparator<? super E> comparator) Deprecated. since 3.0 use Ordering.sortedCopy
static <T> java.util.List<T>	removeDuplicates(java.util.List<T> input)
static <T extends java.lang.Comparable<? super T>> java.util.List<T>	removeDuplicatesAndSort(java.util.List<T> input)
static <T> java.util.List<T>	removeDuplicatesAndSort(java.util.List<T> input, java.util.Comparator<? super T> c)
static <K,V extends java.lang.Comparable<? super V>> java.util.List<java.util.Map.Entry<K,V>>	sortByValue(java.util.Map<K,V> map) Given a map returns the list of entries in the map sorted by Entry.getValue() in descending order.
static java.util.Set<java.lang.String>	stringArrayToHashSet(java.lang.String[] values)
static java.util.List<java.lang.String>	stringArrayToList(java.lang.String[] s)
static java.util.List<java.lang.String>	stringToCollection(java.lang.String s) Converts a string with a given pattern into a Collection of strings.
static <T> java.util.List<T>	subtract(java.util.Collection<T> a, java.util.Collection<T> b) Generic version of ListUtils.subtract

Methods inherited from class java.lang.Object

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

Constructor Detail

BambooCollectionUtils

public BambooCollectionUtils()

Method Detail

stringToCollection

@NotNull
public static java.util.List<java.lang.String> stringToCollection(java.lang.String s)

Converts a string with a given pattern into a Collection of strings.

Parameters:

s - string to be analyzed

Returns:

list of strings

stringArrayToList

@NotNull
public static java.util.List<java.lang.String> stringArrayToList(@Nullable
                                                                         java.lang.String[] s)

stringArrayToHashSet

@NotNull
public static java.util.Set<java.lang.String> stringArrayToHashSet(@Nullable
                                                                           java.lang.String[] values)

removeDuplicates

@Nullable
public static <T> java.util.List<T> removeDuplicates(@Nullable
                                                              java.util.List<T> input)

removeDuplicatesAndSort

@Nullable
public static <T extends java.lang.Comparable<? super T>> java.util.List<T> removeDuplicatesAndSort(java.util.List<T> input)

removeDuplicatesAndSort

@Nullable
public static <T> java.util.List<T> removeDuplicatesAndSort(java.util.List<T> input,
                                                                     @NotNull
                                                                     java.util.Comparator<? super T> c)

convertToList

@Nullable
public static java.util.List<java.lang.String> convertToList(@Nullable
                                                                      java.lang.String s)

subtract

@NotNull
public static <T> java.util.List<T> subtract(@NotNull
                                                     java.util.Collection<T> a,
                                                     @NotNull
                                                     java.util.Collection<T> b)

Generic version of ListUtils.subtract

Type Parameters:

T - any type

Parameters:

a - collection A

b - collection B

Returns:

List of (A - B)

newArrayList

@Deprecated
public static <E> java.util.List<E> newArrayList(@NotNull
                                                            java.lang.Iterable<? extends E> elements,
                                                            @NotNull
                                                            java.util.Comparator<? super E> comparator)

Deprecated. since 3.0 use Ordering.sortedCopy

Creates a sorted mutable ArrayList consisting of input elements

Parameters:

elements - Elements to be copied

comparator - Comparator used for sorting

Returns:

Sorted mutable list consisting of input elements

newLinkedList

@Deprecated
public static <E> java.util.List<E> newLinkedList(@NotNull
                                                             java.lang.Iterable<? extends E> elements,
                                                             @NotNull
                                                             java.util.Comparator<? super E> comparator)

Deprecated. since 3.0 use Ordering.sortedCopy

Creates a sorted mutable LinkedList consisting of input elements

Parameters:

elements - Elements to be copied

comparator - Comparator used for sorting

Returns:

Sorted mutable list consisting of input elements

sortByValue

public static <K,V extends java.lang.Comparable<? super V>> java.util.List<java.util.Map.Entry<K,V>> sortByValue(java.util.Map<K,V> map)

Given a map returns the list of entries in the map sorted by Entry.getValue() in descending order.

Parameters:

map -

Returns:

sorted list of map's entries

addIgnoreNull

public static <E> boolean addIgnoreNull(@NotNull
                                        java.util.Collection<? super E> collection,
                                        E element)

Add element to the collection if it is not null. Generified version of Apache's CollectionUtils.addIgnoreNull.

Type Parameters:

E - Element type

Parameters:

collection - Collection where element will be added to

element - Element to be added to the collection

Returns:

true if the collection changed

get

@Nullable
public static <E> E get(@NotNull
                                 java.util.List<? extends E> list,
                                 int index)

Get Nth element from list or null if list hasn't got so many elements

Type Parameters:

E - Type of the elements in the list

Parameters:

list - List to get element from

index - Index of element to get

Returns:

Element of given index or null