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EnumerationIterator.java API Doc Example 1210 Mon May 31 22:51:38 BST 2004 com.darwinsys.util

EnumerationIterator

java.lang.Object

public class EnumerationIterator extends Object implements Iterator

A GOF Adapter to make instances of old Enumeration interface behave like new Iterator interface, so we only have to deal with one well-defined implementation of the Iterator pattern.

Fields Summary
private final Enumeration
oldEnum
The Enumeration being delegated to
Constructors Summary
public EnumerationIterator(Enumeration old)
Construct an EnumerationIterator from an old-style Enumeration.
param
old The Enumeration to be adapted.
oldEnum = old;
Methods Summary
public boolean hasNext()
Fulfuls the general contract of Iterator.hasNext(), that is, return true as long as there is at least one more item in the Iterator.
return oldEnum.hasMoreElements();
public java.lang.Object next()
Fulfuls the general contract of Iterator.next(), that is, returns the next element in the Iterator.
return oldEnum.nextElement();
public void remove()
Remove is not implemented (optional method).
throws
java.lang.UnsupportedOperationException in all cases.
throw new UnsupportedOperationException("remove");