org.apache.catalina.util
クラス Enumerator

java.lang.Object
  |
  +--org.apache.catalina.util.Enumerator
すべての実装インタフェース:
java.util.Enumeration

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

Adapter class that wraps an Enumeration around a Java2 collection classes object Iterator so that existing APIs returning Enumerations can easily run on top of the new collections. Constructors are provided to easliy create such wrappers.

バージョン:
$Revision: 1.2 $ $Date: 2001/07/22 20:25:13 $
作成者:
Craig R. McClanahan

コンストラクタの概要
Enumerator(java.util.Collection collection)
          Return an Enumeration over the values of the specified Collection.
Enumerator(java.util.Iterator iterator)
          Return an Enumeration over the values returned by the specified Iterator.
Enumerator(java.util.Map map)
          Return an Enumeration over the values of the specified Map.
 
メソッドの概要
 boolean hasMoreElements()
          Tests if this enumeration contains more elements.
 java.lang.Object nextElement()
          Returns the next element of this enumeration if this enumeration has at least one more element to provide.
 
クラス java.lang.Object から継承したメソッド
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

コンストラクタの詳細

Enumerator

public Enumerator(java.util.Collection collection)
Return an Enumeration over the values of the specified Collection.
パラメータ:
collection - Collection whose values should be enumerated

Enumerator

public Enumerator(java.util.Iterator iterator)
Return an Enumeration over the values returned by the specified Iterator.
パラメータ:
iterator - Iterator to be wrapped

Enumerator

public Enumerator(java.util.Map map)
Return an Enumeration over the values of the specified Map.
パラメータ:
map - Map whose values should be enumerated
メソッドの詳細

hasMoreElements

public boolean hasMoreElements()
Tests if this enumeration contains more elements.
定義:
インタフェース java.util.Enumeration 内の hasMoreElements
戻り値:
true if and only if this enumeration object 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 if this enumeration has at least one more element to provide.
定義:
インタフェース java.util.Enumeration 内の nextElement
戻り値:
the next element of this enumeration
例外:
java.util.NoSuchElementException - if no more elements exist


Copyright ? 2000-2001 Apache Software Foundation. All Rights Reserved.