org.apache.pluto.util
Class Enumerator

java.lang.Object
  org.apache.pluto.util.Enumerator

All Implemented Interfaces:

java.util.Enumeration

public final class Enumerator
extends java.lang.Object
implements java.util.Enumeration

Uitlity class to wraps an Enumeration around a Collection, i.e. Iterator classes.

Constructor Summary

Enumerator(java.util.Collection collection)
Returns an Enumeration over the specified Collection.

Enumerator(java.util.Iterator iterator)
Returns an Enumeration over the values of the specified Iterator.

Enumerator(java.util.Map map)
Returns an Enumeration over the values of the specified Map.

Method Summary

boolean	hasMoreElements() Tests if this enumeration contains more elements.
java.lang.Object	nextElement() Returns the next element of this enumeration.

Methods inherited from class java.lang.Object

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

Constructor Detail

Enumerator

public Enumerator(java.util.Collection collection)

Returns an Enumeration over the specified Collection.

Parameters:

collection - Collection with values that should be enumerated

Enumerator

public Enumerator(java.util.Iterator iterator)

Returns an Enumeration over the values of the specified Iterator.

Parameters:

iterator - Iterator to be wrapped

Enumerator

public Enumerator(java.util.Map map)

Returns an Enumeration over the values of the specified Map.

Parameters:

map - Map with values that should be enumerated

Method Detail

hasMoreElements

public boolean hasMoreElements()

Tests if this enumeration contains more elements.

Specified by:

hasMoreElements in interface java.util.Enumeration

Returns:

true if this enumeration contains at least one more element to provide, false otherwise.

nextElement

public java.lang.Object nextElement()
                             throws java.util.NoSuchElementException

Returns the next element of this enumeration.

Specified by:

nextElement in interface java.util.Enumeration

Returns:

the next element of this enumeration

Throws:

java.util.NoSuchElementException - if no more elements exist