Package com.mchange.v2.util

Class CollectionUtils

java.lang.Object

com.mchange.v2.util.CollectionUtils

public final class CollectionUtils
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
static final SortedSet	EMPTY_SORTED_SET

Method Summary

Modifier and Type	Method	Description
static void	add(Collection c, Object o)
static Collection	attemptClone(Collection c)	Attempts to find a public clone() method or a copy constructor, in that order, and calls what it finds.
static Map	attemptClone(Map m)	Attempts to find a public clone() method or a copy constructor, in that order, and calls what it finds.
static boolean	isCollectionsWrapper(Class cl)
static boolean	isCollectionsWrapper(Collection c)
static boolean	isCollectionsWrapper(Map m)
static boolean	isSynchronizedWrapper(Class cl)
static boolean	isSynchronizedWrapper(Collection c)
static boolean	isSynchronizedWrapper(Map m)
static boolean	isUnmodifiableWrapper(Class cl)
static boolean	isUnmodifiableWrapper(Collection c)
static boolean	isUnmodifiableWrapper(Map m)
static Collection	narrowSynchronizedCollection(Collection c)
static Map	narrowSynchronizedMap(Map m)
static Collection	narrowUnmodifiableCollection(Collection c)
static Map	narrowUnmodifiableMap(Map m)
static void	remove(Collection c, Object o)
static int	size(Object o)

Methods inherited from class java.lang.Object

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

Field Details

EMPTY_SORTED_SET

public static final SortedSet EMPTY_SORTED_SET

Method Details

isCollectionsWrapper

public static boolean isCollectionsWrapper(Class cl)

isCollectionsWrapper

public static boolean isCollectionsWrapper(Collection c)

isCollectionsWrapper

public static boolean isCollectionsWrapper(Map m)

isSynchronizedWrapper

public static boolean isSynchronizedWrapper(Class cl)

isSynchronizedWrapper

public static boolean isSynchronizedWrapper(Collection c)

isSynchronizedWrapper

public static boolean isSynchronizedWrapper(Map m)

isUnmodifiableWrapper

public static boolean isUnmodifiableWrapper(Class cl)

isUnmodifiableWrapper

public static boolean isUnmodifiableWrapper(Collection c)

isUnmodifiableWrapper

public static boolean isUnmodifiableWrapper(Map m)

narrowUnmodifiableCollection

public static Collection narrowUnmodifiableCollection(Collection c)

narrowSynchronizedCollection

public static Collection narrowSynchronizedCollection(Collection c)

narrowUnmodifiableMap

public static Map narrowUnmodifiableMap(Map m)

narrowSynchronizedMap

public static Map narrowSynchronizedMap(Map m)

attemptClone

public static Collection attemptClone(Collection 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.

Throws:

NoSuchMethodException

attemptClone

public static Map attemptClone(Map 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.

Throws:

NoSuchMethodException

add

public static void add(Collection c,
 Object o)

remove

public static void remove(Collection c,
 Object o)

size

public static int size(Object o)