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package org.apache.catalina.util;
import java.util.Enumeration;
import java.util.Iterator;
/**
* Adapter class which wraps an <tt>Iterable</tt> over an
* <tt>Enumeration</tt>, to support foreach-style iteration over the
* <tt>Enumeration</tt>.
*/
public final class IterableAdapter<T> implements Iterable<T> {
// The Enumeration over which to iterate
private Enumeration<T> en;
/**
* Constructor
*
* @param en the Enumeration over which to iterate
*/
public IterableAdapter(Enumeration<T> en) {
this.en = en;
}
public Iterator<T> iterator() {
return new Iterator<T>() {
public boolean hasNext() {
return en.hasMoreElements();
}
public T next() {
return en.nextElement();
}
public void remove() {
throw new UnsupportedOperationException(
"remove not supported");
}
};
}
}