com.sun.appserv.management.util.misc
Class GSetUtil

java.lang.Object
  com.sun.appserv.management.util.misc.GSetUtil

public final class GSetUtil
extends Object

Utilities for working with sets using JDK 1.5 generics.

Method Summary

static <T> void	addArray(Set<T> set, T[] array)
static <T> HashSet<T>	copySet(Set<? extends T> s1) Create a new Set containing all members of another.
static <T> T	getSingleton(Set<T> s)
static <T> Set<T>	intersectSets(Set<T> set1, Set<T> set2) Return a new Set of all items in both set1 and set2.
static <T> Set<T>	newNotCommonSet(Set<T> set1, Set<T> set2) Return a new Set of all items not common to both sets.
static <T> Set<T>	newSet(Collection<T> c)
static <T,TT extends T> Set<T>	newSet(Set<T> s1, Set<TT> s2)
static <T> Set<T>	newSet(T item) Create a new Set with one member.
static <T> Set<T>	newSet(T[] objects) Create a new Set containing all array elements.
static <T> Set<T>	newSet(T[] objects, int startIndex, int numItems) Create a new Set containing all array elements.
static <T> Set<? extends T>	newSet(T m1, T m2)
static <T> Set<T>	newSet(T m1, T m2, T m3, T m4)
static <T> Set<T>	newSingletonSet(T m1) Create a new Set with one member.
static Set<String>	newStringSet(Object... args)
static Set<String>	newStringSet(String... args)
static <T> Set<T>	newUnmodifiableSet(T... args)
static Set<String>	newUnmodifiableStringSet(String... args)
static <T> Set<T>	removeSet(Set<T> set1, Set<T> set2) Return a new Set of all items in set1 not in set2.
static String[]	toSortedStringArray(Set<?> s)
static String[]	toStringArray(Set<?> s) Convert a Set to a String[]

Methods inherited from class java.lang.Object

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

Method Detail

getSingleton

public static <T> T getSingleton(Set<T> s)

addArray

public static <T> void addArray(Set<T> set,
                                T[] array)

newSet

public static <T> Set<T> newSet(Collection<T> c)

newSet

public static <T> Set<T> newSet(T item)

Create a new Set with one member.

copySet

public static <T> HashSet<T> copySet(Set<? extends T> s1)

Create a new Set containing all members of another. The returned Set is always a HashSet.

newSet

public static <T> Set<? extends T> newSet(T m1,
                                          T m2)

newSet

public static <T> Set<T> newSet(T m1,
                                T m2,
                                T m3,
                                T m4)

newSet

public static <T> Set<T> newSet(T[] objects)

Create a new Set containing all array elements.

newSet

public static <T,TT extends T> Set<T> newSet(Set<T> s1,
                                             Set<TT> s2)

newSet

public static <T> Set<T> newSet(T[] objects,
                                int startIndex,
                                int numItems)

Create a new Set containing all array elements.

toStringArray

public static String[] toStringArray(Set<?> s)

Convert a Set to a String[]

toSortedStringArray

public static String[] toSortedStringArray(Set<?> s)

newStringSet

public static Set<String> newStringSet(String... args)

newUnmodifiableSet

public static <T> Set<T> newUnmodifiableSet(T... args)

newUnmodifiableStringSet

public static Set<String> newUnmodifiableStringSet(String... args)

newStringSet

public static Set<String> newStringSet(Object... args)

newSingletonSet

public static <T> Set<T> newSingletonSet(T m1)

Create a new Set with one member. Additional items may be added.

intersectSets

public static <T> Set<T> intersectSets(Set<T> set1,
                                       Set<T> set2)

Return a new Set of all items in both set1 and set2.

removeSet

public static <T> Set<T> removeSet(Set<T> set1,
                                   Set<T> set2)

Return a new Set of all items in set1 not in set2.

newNotCommonSet

public static <T> Set<T> newNotCommonSet(Set<T> set1,
                                         Set<T> set2)

Return a new Set of all items not common to both sets.