org.echocat.jomon.runtime

Class CollectionUtils

java.lang.Object

org.echocat.jomon.runtime.CollectionUtils

public class CollectionUtils
extends java.lang.Object

Method Summary

Methods

Modifier and Type	Method and Description
static <T> void	addAll(java.util.Collection<T> to, java.lang.Iterable<T> elements)
static <T> void	addAll(java.util.Collection<T> to, java.util.Iterator<T> elements)
static <T> void	addAll(java.util.Collection<T> to, T[] elements)
static <T> CloseableIterator<T>	asCloseableIterator(java.util.Iterator<T> iterator)
static <T> java.util.List<T>	asImmutableList(java.lang.Iterable<T> in)
static <T> java.util.List<T>	asImmutableList(java.util.Iterator<T> iterator)
static <T> java.util.List<T>	asImmutableList(T... objects) Returns an unmodifiable List containing the given objects, returns an empty List, if objects is null.
static <T> java.util.Set<T>	asImmutableSet(java.lang.Iterable<T> in)
static <T> java.util.Set<T>	asImmutableSet(java.util.Iterator<T> iterator)
static <T> java.util.Set<T>	asImmutableSet(T... objects) Returns an unmodifiable Set containing the given objects, returns an empty Set, if objects is null.
static <T> CloseableIterator<T>	asIterator(java.lang.Iterable<T> elements)
static <T> CloseableIterator<T>	asIterator(T... elements)
static <T> java.util.List<T>	asList(java.lang.Iterable<T> in)
static <T> java.util.List<T>	asList(java.util.Iterator<T> iterator)
static <T> java.util.List<T>	asList(T... objects) Returns a List containing the given objects, returns an empty List, if objects is null.
static <K,V> java.util.Map<K,V>	asMap(java.lang.Object... a) Returns a LinkedHashMap with the mappings a[0] => a[1], a[2] => a[3], ...
static <T> java.util.Set<T>	asSet(java.lang.Iterable<T> in)
static <T> java.util.Set<T>	asSet(java.util.Iterator<T> iterator)
static <T> java.util.Set<T>	asSet(T... objects) Returns a Set containing the given objects, returns an empty Set, if objects is null.
static <T> CloseableIterator<T>	asSingletonIterator(T element)
static <T> long	countElementsOf(java.lang.Iterable<T> elements)
static <T> long	countElementsOf(java.lang.Iterable<T> elements, com.google.common.base.Predicate<T> matches)
static <T> long	countElementsOf(java.util.Iterator<T> iterator)
static <T> long	countElementsOf(java.util.Iterator<T> iterator, com.google.common.base.Predicate<T> matches)
static <T> CloseableIterator<T>	emptyIterator()
static <T> T	findFirstOf(java.lang.Iterable<T> elements)
static <T> T	findFirstOf(java.util.Iterator<T> iterator)
static boolean	isEmpty(java.util.Collection<?> collection)
static boolean	isEmpty(java.lang.Iterable<?> iterable)
static boolean	isEmpty(java.util.Iterator<?> iterator)
static boolean	isEmpty(java.util.Map<?,?> map)
static boolean	isEmpty(org.apache.commons.collections15.MultiMap<?,?> map)
static boolean	isNotEmpty(java.util.Collection<?> collection)
static boolean	isNotEmpty(java.lang.Iterable<?> iterable)
static boolean	isNotEmpty(java.util.Iterator<?> iterator)
static boolean	isNotEmpty(java.util.Map<?,?> map)
static boolean	isNotEmpty(org.apache.commons.collections15.MultiMap<?,?> map)
static <T> boolean	oneApplies(java.lang.Iterable<T> elements, java.util.Collection<T> predicate)
static <T> boolean	oneApplies(java.lang.Iterable<T> elements, com.google.common.base.Predicate<T> predicate)
static <T> boolean	oneApplies(java.lang.Iterable<T> elements, T predicate)
static <T> boolean	oneApplies(java.util.Iterator<T> elements, com.google.common.base.Predicate<T> predicate)
static <T> boolean	oneApplies(java.util.Iterator<T> elements, T predicate)
static <T> long	removeAllOf(java.lang.Iterable<T> elements)
static <T> long	removeAllOf(java.lang.Iterable<T> elements, com.google.common.base.Predicate<T> matching)
static <T> long	removeAllOf(java.util.Iterator<T> iterator)
static <T> long	removeAllOf(java.util.Iterator<T> iterator, com.google.common.base.Predicate<T> matching)

Methods inherited from class java.lang.Object

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

Method Detail

asMap

public static <K,V> java.util.Map<K,V> asMap(java.lang.Object... a)

Returns a LinkedHashMap with the mappings a[0] => a[1], a[2] => a[3], ....

Parameters:

a - the elements to construct a Map from.

Returns:

a Map constructed of the specified elements.

isNotEmpty

public static boolean isNotEmpty(@Nullable
                 java.util.Collection<?> collection)

isNotEmpty

public static boolean isNotEmpty(@Nullable
                 java.lang.Iterable<?> iterable)

isNotEmpty

public static boolean isNotEmpty(@Nullable
                 java.util.Iterator<?> iterator)

isNotEmpty

public static boolean isNotEmpty(@Nullable
                 java.util.Map<?,?> map)

isNotEmpty

public static boolean isNotEmpty(@Nullable
                 org.apache.commons.collections15.MultiMap<?,?> map)

isEmpty

public static boolean isEmpty(@Nullable
              java.util.Collection<?> collection)

isEmpty

public static boolean isEmpty(@Nullable
              java.lang.Iterable<?> iterable)

isEmpty

public static boolean isEmpty(@Nullable
              java.util.Iterator<?> iterator)

isEmpty

public static boolean isEmpty(@Nullable
              java.util.Map<?,?> map)

isEmpty

public static boolean isEmpty(@Nullable
              org.apache.commons.collections15.MultiMap<?,?> map)

addAll

public static <T> void addAll(@Nonnull
              java.util.Collection<T> to,
              @Nullable
              T[] elements)

addAll

public static <T> void addAll(@Nonnull
              java.util.Collection<T> to,
              @Nullable
              java.lang.Iterable<T> elements)

addAll

public static <T> void addAll(@Nonnull
              java.util.Collection<T> to,
              @Nullable
              java.util.Iterator<T> elements)

asList

@Nonnull
public static <T> java.util.List<T> asList(@Nullable
                                   T... objects)

Returns a List containing the given objects, returns an empty List, if objects is null.

asImmutableList

@Nonnull
public static <T> java.util.List<T> asImmutableList(@Nullable
                                            T... objects)

Returns an unmodifiable List containing the given objects, returns an empty List, if objects is null.

asList

@Nonnull
public static <T> java.util.List<T> asList(@Nullable
                                   java.util.Iterator<T> iterator)

asImmutableList

@Nonnull
public static <T> java.util.List<T> asImmutableList(@Nullable
                                            java.util.Iterator<T> iterator)

asList

@Nonnull
public static <T> java.util.List<T> asList(@Nullable
                                   java.lang.Iterable<T> in)

asImmutableList

@Nonnull
public static <T> java.util.List<T> asImmutableList(@Nullable
                                            java.lang.Iterable<T> in)

asSet

@Nonnull
public static <T> java.util.Set<T> asSet(@Nullable
                                 T... objects)

Returns a Set containing the given objects, returns an empty Set, if objects is null.

asImmutableSet

@Nonnull
public static <T> java.util.Set<T> asImmutableSet(@Nullable
                                          T... objects)

Returns an unmodifiable Set containing the given objects, returns an empty Set, if objects is null.

asSet

@Nonnull
public static <T> java.util.Set<T> asSet(@Nullable
                                 java.util.Iterator<T> iterator)

asImmutableSet

@Nonnull
public static <T> java.util.Set<T> asImmutableSet(@Nullable
                                          java.util.Iterator<T> iterator)

asSet

@Nonnull
public static <T> java.util.Set<T> asSet(@Nullable
                                 java.lang.Iterable<T> in)

asImmutableSet

@Nonnull
public static <T> java.util.Set<T> asImmutableSet(@Nullable
                                          java.lang.Iterable<T> in)

asSingletonIterator

@Nonnull
public static <T> CloseableIterator<T> asSingletonIterator(@Nullable
                                                   T element)

asCloseableIterator

@Nonnull
public static <T> CloseableIterator<T> asCloseableIterator(@Nullable
                                                   java.util.Iterator<T> iterator)

asIterator

@SafeVarargs
@Nonnull
public static <T> CloseableIterator<T> asIterator(@Nullable
                                                      T... elements)

asIterator

@Nonnull
public static <T> CloseableIterator<T> asIterator(@Nullable
                                          java.lang.Iterable<T> elements)

emptyIterator

@Nonnull
public static <T> CloseableIterator<T> emptyIterator()

oneApplies

public static <T> boolean oneApplies(@Nullable@WillClose
                     java.lang.Iterable<T> elements,
                     @Nullable
                     T predicate)

oneApplies

public static <T> boolean oneApplies(@Nullable@WillClose
                     java.lang.Iterable<T> elements,
                     @Nonnull
                     com.google.common.base.Predicate<T> predicate)

oneApplies

public static <T> boolean oneApplies(@Nullable@WillClose
                     java.lang.Iterable<T> elements,
                     @Nullable
                     java.util.Collection<T> predicate)

oneApplies

public static <T> boolean oneApplies(@Nullable@WillClose
                     java.util.Iterator<T> elements,
                     @Nonnull
                     T predicate)

oneApplies

public static <T> boolean oneApplies(@Nullable@WillClose
                     java.util.Iterator<T> elements,
                     @Nonnull
                     com.google.common.base.Predicate<T> predicate)

countElementsOf

@Nonnegative
public static <T> long countElementsOf(@Nullable
                                   java.lang.Iterable<T> elements)

countElementsOf

@Nonnegative
public static <T> long countElementsOf(@Nullable
                                   java.lang.Iterable<T> elements,
                                   @Nullable
                                   com.google.common.base.Predicate<T> matches)

countElementsOf

@Nonnegative
public static <T> long countElementsOf(@Nullable
                                   java.util.Iterator<T> iterator)

countElementsOf

@Nonnegative
public static <T> long countElementsOf(@Nullable
                                   java.util.Iterator<T> iterator,
                                   @Nullable
                                   com.google.common.base.Predicate<T> matches)

findFirstOf

@Nullable
public static <T> T findFirstOf(@Nullable
                         java.lang.Iterable<T> elements)

findFirstOf

@Nullable
public static <T> T findFirstOf(@Nullable
                         java.util.Iterator<T> iterator)

removeAllOf

@Nonnegative
public static <T> long removeAllOf(@Nullable
                               java.lang.Iterable<T> elements)

removeAllOf

@Nonnegative
public static <T> long removeAllOf(@Nullable
                               java.lang.Iterable<T> elements,
                               @Nullable
                               com.google.common.base.Predicate<T> matching)

removeAllOf

@Nonnegative
public static <T> long removeAllOf(@Nullable
                               java.util.Iterator<T> iterator)

removeAllOf

@Nonnegative
public static <T> long removeAllOf(@Nullable
                               java.util.Iterator<T> iterator,
                               @Nullable
                               com.google.common.base.Predicate<T> matching)