Package com.mchange.v2.util

Class CollectionUtils

java.lang.Object

com.mchange.v2.util.CollectionUtils

public final class CollectionUtils
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field	Description
static java.util.SortedSet	EMPTY_SORTED_SET

Method Summary

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

Methods inherited from class java.lang.Object

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

Field Detail

EMPTY_SORTED_SET

public static final java.util.SortedSet EMPTY_SORTED_SET

Method Detail

isCollectionsWrapper

public static boolean isCollectionsWrapper(java.lang.Class cl)

isCollectionsWrapper

public static boolean isCollectionsWrapper(java.util.Collection c)

isCollectionsWrapper

public static boolean isCollectionsWrapper(java.util.Map m)

isSynchronizedWrapper

public static boolean isSynchronizedWrapper(java.lang.Class cl)

isSynchronizedWrapper

public static boolean isSynchronizedWrapper(java.util.Collection c)

isSynchronizedWrapper

public static boolean isSynchronizedWrapper(java.util.Map m)

isUnmodifiableWrapper

public static boolean isUnmodifiableWrapper(java.lang.Class cl)

isUnmodifiableWrapper

public static boolean isUnmodifiableWrapper(java.util.Collection c)

isUnmodifiableWrapper

public static boolean isUnmodifiableWrapper(java.util.Map m)

narrowUnmodifiableCollection

public static java.util.Collection narrowUnmodifiableCollection(java.util.Collection c)

narrowSynchronizedCollection

public static java.util.Collection narrowSynchronizedCollection(java.util.Collection c)

narrowUnmodifiableMap

public static java.util.Map narrowUnmodifiableMap(java.util.Map m)

narrowSynchronizedMap

public static java.util.Map narrowSynchronizedMap(java.util.Map m)

attemptClone

public static java.util.Collection attemptClone(java.util.Collection c)
                                         throws java.lang.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:

java.lang.NoSuchMethodException

attemptClone

public static java.util.Map attemptClone(java.util.Map m)
                                  throws java.lang.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:

java.lang.NoSuchMethodException

add

public static void add(java.util.Collection c,
                       java.lang.Object o)

remove

public static void remove(java.util.Collection c,
                          java.lang.Object o)

size

public static int size(java.lang.Object o)