Package com.spun.util

Class ArrayUtils

java.lang.Object

com.spun.util.ArrayUtils

public class ArrayUtils
extends Object

A static class of convenience methods for arrays and collections.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	ArrayUtils.IterableWrapper<T>

Constructor Summary

Constructors

Constructor	Description
ArrayUtils()

Method Summary

Modifier and Type	Method	Description
static <T> Collection<T>	addArray(Collection<T> v, T[] array)
static <T> T[]	addToArray(T[] array, T... objects)
static <T> Iterable<T>	asIterable(Iterator<T> iterator)
static <T> List<T>	asList(T[] values)
static <T> List<T>	combine(List<T> list1, List<T> list2)
static <T> T[]	combine(T[] a, T[] b)
static List	combineResults(Object[] array, Method method)
static List<?>	combineResults(Object[] array, String invokeMethod)
static boolean	contains(int[] values, int value)
static <T> boolean	contains(T[] values, T value)
static <V> int	count(V matching, Collection<V> values)
static <K, V> int	countValues(HashMap<K,V> out, V matching)
static <K, T> T	getDefault(HashMap<K,T> map, K key, T defaultValue)
static <H, T extends H> T	getFirst(Collection<T> array, Comparator<H> sorter)
static <T> T	getFirst(T[] array)
static <H, T extends H> T	getFirst(T[] array, Comparator<H> compartor)
static <T> T	getLast(Collection<T> array, Comparator<T> sorter)
static <T> T	getLast(List<T> list)
static <T> T	getLast(T[] array)
static <T> T	getLast(T[] array, Comparator<T> sorter)
static <T> T	getSingleton(T[] parts)
static <T> T[]	getSubsection(T[] array, int startInclusive, int endExclusive)
static boolean	isEmpty(Object[] array)
static boolean	isEmpty(Collection<?> collection)
static <T> T[]	toReverseArray(T[] array)
static Vector	toReverseVector(Vector<Object> vector)
static <T> String	toString(Iterable<T> values, Function1<T,String> formatter)
static <T> String	toString(T[] values, Function1<T,String> formatter)

Methods inherited from class java.lang.Object

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

Constructor Details

ArrayUtils

public ArrayUtils()

Method Details

addArray

public static <T> Collection<T> addArray(Collection<T> v,
T[] array)

toString

public static <T> String toString(T[] values,
Function1<T,String> formatter)

asList

public static <T> List<T> asList(T[] values)

toString

public static <T> String toString(Iterable<T> values,
Function1<T,String> formatter)

toReverseVector

public static Vector toReverseVector(Vector<Object> vector)

toReverseArray

public static <T> T[] toReverseArray(T[] array)

addToArray

public static <T> T[] addToArray(T[] array,
T... objects)

getSubsection

public static <T> T[] getSubsection(T[] array,
int startInclusive,
int endExclusive)

isEmpty

public static boolean isEmpty(Object[] array)

isEmpty

public static boolean isEmpty(Collection<?> collection)

getSingleton

public static <T> T getSingleton(T[] parts)

getFirst

public static <T> T getFirst(T[] array)

getFirst

public static <H,
T extends H> T getFirst(T[] array,
Comparator<H> compartor)

getFirst

public static <H,
T extends H> T getFirst(Collection<T> array,
Comparator<H> sorter)

getLast

public static <T> T getLast(T[] array)

getLast

public static <T> T getLast(T[] array,
Comparator<T> sorter)

getLast

public static <T> T getLast(Collection<T> array,
Comparator<T> sorter)

combineResults

public static List<?> combineResults(Object[] array,
String invokeMethod)

combineResults

public static List combineResults(Object[] array,
Method method)

combine

public static <T> T[] combine(T[] a,
T[] b)

contains

public static <T> boolean contains(T[] values,
T value)

contains

public static boolean contains(int[] values,
int value)

getLast

public static <T> T getLast(List<T> list)

getDefault

public static <K,
T> T getDefault(HashMap<K,T> map,
K key,
T defaultValue)

countValues

public static <K,
V> int countValues(HashMap<K,V> out,
V matching)

count

public static <V> int count(V matching,
Collection<V> values)

combine

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

asIterable

public static <T> Iterable<T> asIterable(Iterator<T> iterator)