org.jboss.util.collection
Class Iterators

java.lang.Object
  org.jboss.util.collection.Iterators

public final class Iterators

extends java.lang.Object

A collection of Iterator and Enumeration utilities.

EMPTY_ITERATOR

public static final java.util.Iterator EMPTY_ITERATOR

An empty Iterator

Iterators

public Iterators()

forEnumeration

public static java.util.Iterator forEnumeration(java.util.Enumeration enum)

Return an Iterator wrapper for the given Enumeration

Parameters:

enum - Enumeration to wrap

Returns:

Enumeration wrapped as an Iterator

toEnumeration

public static java.util.Enumeration toEnumeration(java.util.Iterator iter)

Return an Enumeration for the given Iterator.

Parameters:

iter - Iterator to wrap.

Returns:

Enumeration wrapper.

makeImmutable

public static java.util.Iterator makeImmutable(java.util.Iterator iter)

Make an Iterator immutable

Parameters:

iter - Iterator to make immutable

Returns:

Imutable iterator

makeSynchronized

public static java.util.Iterator makeSynchronized(java.util.Iterator iter)

Returns a synchronized version of the given Iterator.

Parameters:

iter - Iterator to synchronize.

Returns:

Synchronized Iterator.

makeSynchronized

public static java.util.Enumeration makeSynchronized(java.util.Enumeration enum)

Returns a synchronized version of the given Enumeration.

Parameters:

enum - Enumeration to synchronize.

Returns:

Synchronized Enumeration.

union

public static java.util.Iterator union(java.util.Iterator[] iters)

Returns an Iterator containing the union of all of the elements in the given iterator array.

Parameters:

iters - Array of iterators.

Returns:

Iterator containing the union.

toString

public static java.lang.String toString(java.util.Iterator iter,
                                        java.lang.String delim)

Return a delimited string representation of all of the elements in the given Iterator.

Parameters:

iter - Iterator to convert to string.

delim - Elemement delimiter.

Returns:

Delimited string value.

toString

public static java.lang.String toString(java.util.Iterator iter)

Return a comma delimited string representation of all of the elements in the given Iterator.

Parameters:

iter - Iterator to convert to string.

Returns:

Delimited string value.