Top Fields Constructors Methods
com.mchange.v2.util

public final Class CollectionUtils

extends Object
Class Inheritance
Imports
java.util.*, java.lang.reflect.*

Field Summary

Modifier and TypeField and Description
pack-priv static final Set<E>
ALL_COLLECTIONS_WRAPPERS

pack-priv static final Class<T>[]
COLLECTION_ARG_CLASSES

pack-priv static final Class<T>[]
COMPARATOR_ARG_CLASSES

pack-priv static final Class<T>[]
EMPTY_ARG_CLASSES

pack-priv static final Object[]
EMPTY_ARGS

public static final SortedSet<E>
EMPTY_SORTED_SET

pack-priv static final Class<T>[]
MAP_ARG_CLASSES

pack-priv static final Class<T>[]
SORTED_MAP_ARG_CLASSES

pack-priv static final Class<T>[]
SORTED_SET_ARG_CLASSES

pack-priv static final Class<T>
STD_SYNCHRONIZED_COLLECTION_CL

pack-priv static final Class<T>
STD_SYNCHRONIZED_LIST_CL

pack-priv static final Class<T>
STD_SYNCHRONIZED_MAP_CL

pack-priv static final Class<T>
STD_SYNCHRONIZED_RA_LIST_CL

pack-priv static final Class<T>
STD_SYNCHRONIZED_SET_CL

pack-priv static final Class<T>
STD_SYNCHRONIZED_SORTED_MAP_CL

pack-priv static final Class<T>
STD_SYNCHRONIZED_SORTED_SET_CL

pack-priv static final Class<T>
STD_UNMODIFIABLE_COLLECTION_CL

pack-priv static final Class<T>
STD_UNMODIFIABLE_LIST_CL

pack-priv static final Class<T>
STD_UNMODIFIABLE_MAP_CL

pack-priv static final Class<T>
STD_UNMODIFIABLE_RA_LIST_CL

pack-priv static final Class<T>
STD_UNMODIFIABLE_SET_CL

pack-priv static final Class<T>
STD_UNMODIFIABLE_SORTED_MAP_CL

pack-priv static final Class<T>
STD_UNMODIFIABLE_SORTED_SET_CL

pack-priv static final Set<E>
SYNCHRONIZED_WRAPPERS

pack-priv static final Set<E>
UNMODIFIABLE_WRAPPERS

Constructor Summary

AccessConstructor and Description
private
CollectionUtils()

Method Summary

Modifier and TypeMethod and Description
public static void
add(Collection<E> c, Object o)

public static Collection<E>
attemptClone(Collection<E> c)

Attempts to find a public clone() method or a copy constructor, in that order, and calls what it finds.

public static Map<K, V>
attemptClone(Map<K, V> m)

Attempts to find a public clone() method or a copy constructor, in that order, and calls what it finds.

public static boolean
isCollectionsWrapper(Class<T> cl)

public static boolean
isCollectionsWrapper(Collection<E> c)

public static boolean
isCollectionsWrapper(Map<K, V> m)

public static boolean
isSynchronizedWrapper(Class<T> cl)

public static boolean
isSynchronizedWrapper(Collection<E> c)

public static boolean
isSynchronizedWrapper(Map<K, V> m)

public static boolean
isUnmodifiableWrapper(Class<T> cl)

public static boolean
isUnmodifiableWrapper(Collection<E> c)

public static boolean
isUnmodifiableWrapper(Map<K, V> m)

public static Collection<E>
narrowSynchronizedCollection(Collection<E> c)

public static Map<K, V>
narrowSynchronizedMap(Map<K, V> m)

public static Collection<E>
narrowUnmodifiableCollection(Collection<E> c)

public static Map<K, V>
narrowUnmodifiableMap(Map<K, V> m)

public static void
remove(Collection<E> c, Object o)

public static int
size(Object o)

Inherited from java.lang.Object:
cloneequalsfinalizegetClasshashCodenotifynotifyAlltoStringwaitwaitwait

Field Detail

ALL_COLLECTIONS_WRAPPERSback to summary
pack-priv static final Set<E> ALL_COLLECTIONS_WRAPPERS
COLLECTION_ARG_CLASSESback to summary
pack-priv static final Class<T>[] COLLECTION_ARG_CLASSES
COMPARATOR_ARG_CLASSESback to summary
pack-priv static final Class<T>[] COMPARATOR_ARG_CLASSES
EMPTY_ARG_CLASSESback to summary
pack-priv static final Class<T>[] EMPTY_ARG_CLASSES
EMPTY_ARGSback to summary
pack-priv static final Object[] EMPTY_ARGS
EMPTY_SORTED_SETback to summary
public static final SortedSet<E> EMPTY_SORTED_SET
MAP_ARG_CLASSESback to summary
pack-priv static final Class<T>[] MAP_ARG_CLASSES
SORTED_MAP_ARG_CLASSESback to summary
pack-priv static final Class<T>[] SORTED_MAP_ARG_CLASSES
SORTED_SET_ARG_CLASSESback to summary
pack-priv static final Class<T>[] SORTED_SET_ARG_CLASSES
STD_SYNCHRONIZED_COLLECTION_CLback to summary
pack-priv static final Class<T> STD_SYNCHRONIZED_COLLECTION_CL
STD_SYNCHRONIZED_LIST_CLback to summary
pack-priv static final Class<T> STD_SYNCHRONIZED_LIST_CL
STD_SYNCHRONIZED_MAP_CLback to summary
pack-priv static final Class<T> STD_SYNCHRONIZED_MAP_CL
STD_SYNCHRONIZED_RA_LIST_CLback to summary
pack-priv static final Class<T> STD_SYNCHRONIZED_RA_LIST_CL
STD_SYNCHRONIZED_SET_CLback to summary
pack-priv static final Class<T> STD_SYNCHRONIZED_SET_CL
STD_SYNCHRONIZED_SORTED_MAP_CLback to summary
pack-priv static final Class<T> STD_SYNCHRONIZED_SORTED_MAP_CL
STD_SYNCHRONIZED_SORTED_SET_CLback to summary
pack-priv static final Class<T> STD_SYNCHRONIZED_SORTED_SET_CL
STD_UNMODIFIABLE_COLLECTION_CLback to summary
pack-priv static final Class<T> STD_UNMODIFIABLE_COLLECTION_CL
STD_UNMODIFIABLE_LIST_CLback to summary
pack-priv static final Class<T> STD_UNMODIFIABLE_LIST_CL
STD_UNMODIFIABLE_MAP_CLback to summary
pack-priv static final Class<T> STD_UNMODIFIABLE_MAP_CL
STD_UNMODIFIABLE_RA_LIST_CLback to summary
pack-priv static final Class<T> STD_UNMODIFIABLE_RA_LIST_CL
STD_UNMODIFIABLE_SET_CLback to summary
pack-priv static final Class<T> STD_UNMODIFIABLE_SET_CL
STD_UNMODIFIABLE_SORTED_MAP_CLback to summary
pack-priv static final Class<T> STD_UNMODIFIABLE_SORTED_MAP_CL
STD_UNMODIFIABLE_SORTED_SET_CLback to summary
pack-priv static final Class<T> STD_UNMODIFIABLE_SORTED_SET_CL
SYNCHRONIZED_WRAPPERSback to summary
pack-priv static final Set<E> SYNCHRONIZED_WRAPPERS
UNMODIFIABLE_WRAPPERSback to summary
pack-priv static final Set<E> UNMODIFIABLE_WRAPPERS

Constructor Detail

CollectionUtilsback to summary
private CollectionUtils()

Method Detail

addback to summary
public static void add(Collection<E> c, Object o)
attemptCloneback to summary
public static Collection<E> attemptClone(Collection<E> c) throws NoSuchMethodException

Attempts to find a public clone() method or a copy constructor, in that order, and calls what it finds. If neither is available, throws a NoSuchMethodException.

attemptCloneback to summary
public static Map<K, V> attemptClone(Map<K, V> m) throws NoSuchMethodException

Attempts to find a public clone() method or a copy constructor, in that order, and calls what it finds. If neither is available, throws a NoSuchMethodException.

isCollectionsWrapperback to summary
public static boolean isCollectionsWrapper(Class<T> cl)
isCollectionsWrapperback to summary
public static boolean isCollectionsWrapper(Collection<E> c)
isCollectionsWrapperback to summary
public static boolean isCollectionsWrapper(Map<K, V> m)
isSynchronizedWrapperback to summary
public static boolean isSynchronizedWrapper(Class<T> cl)
isSynchronizedWrapperback to summary
public static boolean isSynchronizedWrapper(Collection<E> c)
isSynchronizedWrapperback to summary
public static boolean isSynchronizedWrapper(Map<K, V> m)
isUnmodifiableWrapperback to summary
public static boolean isUnmodifiableWrapper(Class<T> cl)
isUnmodifiableWrapperback to summary
public static boolean isUnmodifiableWrapper(Collection<E> c)
isUnmodifiableWrapperback to summary
public static boolean isUnmodifiableWrapper(Map<K, V> m)
narrowSynchronizedCollectionback to summary
public static Collection<E> narrowSynchronizedCollection(Collection<E> c)
narrowSynchronizedMapback to summary
public static Map<K, V> narrowSynchronizedMap(Map<K, V> m)
narrowUnmodifiableCollectionback to summary
public static Collection<E> narrowUnmodifiableCollection(Collection<E> c)
narrowUnmodifiableMapback to summary
public static Map<K, V> narrowUnmodifiableMap(Map<K, V> m)
removeback to summary
public static void remove(Collection<E> c, Object o)
sizeback to summary
public static int size(Object o)